阅读说明：本技术 一种皮革进给夹持定位机构 (Leather feeding, clamping and positioning mechanism ) 是由 张虹霞 于 2020-11-27 设计创作，主要内容包括：本发明涉及皮革加工输送相关技技术领域,且公开了一种皮革进给夹持定位机构,包括机架,所述机架的工作台上安装有输送机构,机架的前侧对称安装有两个压力气缸,两个压力气缸的伸缩末端均固定连接有轴承座,两个轴承座之间安装有定位压辊,机架的内侧安装有横向定位杆,横向定位杆上安装有朝向输送机构的摄像头,所述机架的工作台表面安装有用于检测压力气缸压力的压力传感器,机架上安装有控制面板。该皮革进给夹持定位机构,通过在机架上设置压力气缸、定位压辊、摄像头、压力传感器和控制面板相互配合,区别于传统的人工判断输送模切距离的方式,最大限度的降低皮革模切的间距,减少皮革废料的产生。(The invention relates to the technical field of leather processing and conveying, and discloses a leather feeding, clamping and positioning mechanism which comprises a rack, wherein a conveying mechanism is installed on a workbench of the rack, two pressure cylinders are symmetrically installed on the front side of the rack, the telescopic tail ends of the two pressure cylinders are fixedly connected with bearing seats, a positioning compression roller is installed between the two bearing seats, a transverse positioning rod is installed on the inner side of the rack, a camera facing the conveying mechanism is installed on the transverse positioning rod, a pressure sensor for detecting the pressure of the pressure cylinders is installed on the surface of the workbench of the rack, and a control panel is installed on the rack. This centre gripping positioning mechanism is fed to leather through set up pressure cylinder, location compression roller, camera, pressure sensor and control panel in the frame and mutually support, is different from the mode that traditional artifical judgement carried the cross cutting distance, and furthest's reduction leather cross cutting's interval reduces the production of leather waste material.)

1. The utility model provides a leather feeds centre gripping positioning mechanism, includes the frame, its characterized in that: the automatic feeding device comprises a rack, a conveying mechanism, two pressure cylinders, a positioning compression roller, a transverse positioning rod, a camera, a control panel and a feeding mechanism, wherein the conveying mechanism is installed on a workbench of the rack;

the control panel comprises a core processor, a spacing comparison module, a die cutting area distance calculation module, an image die cutting area analysis module, an image transmission module, a spacing input module, an image storage module, a pressure comparison module, a pressure feedback module, a cylinder contraction module, a time relay, a conveying start-stop module, a pressure input module and a cylinder contraction time input module, wherein the input end of the core processor is unidirectionally and electrically connected with the output end of the spacing comparison module, the input end of the spacing comparison module is unidirectionally and electrically connected with the output ends of the spacing input module and the die cutting area distance calculation module, the input end of the die cutting area distance calculation module is unidirectionally and electrically connected with the output end of the image die cutting area analysis module, the input end of the image die cutting area analysis module is unidirectionally and electrically connected with the output end of the image transmission module, and the input end and the output, the input end of the image transmission module is unidirectionally and electrically connected with the output end of the camera, the output end of the core processor is unidirectionally and electrically connected with the input end of the conveying start-stop module, the output end of the conveying start-stop module is unidirectionally and electrically connected with the input end of the conveying mechanism, the output ends of the conveying mechanism and the cylinder contraction time input module are both unidirectionally and electrically connected with the input end of the time relay module, the output end of the time relay is unidirectionally and electrically connected with the input end of the cylinder contraction module, the output end of the pressure sensor is unidirectionally and electrically connected with the input end of the pressure comparison module, the pressure comparison module is bidirectionally and electrically connected with the pressure input module, the output end of the pressure comparison module is unidirectionally and electrically connected with the input end of the pressure feedback module, the output end of the cylinder contraction module is in one-way electric connection with the input end of the pressure cylinder.

2. The leather feeding, clamping and positioning mechanism of claim 1, wherein: and the control panel is electrically connected with the conveying mechanism, the pressure cylinder, the camera and the pressure sensor.

3. The leather feeding, clamping and positioning mechanism of claim 1, wherein: the pressure sensor is positioned right below the positioning press roller, and the sensing surface of the pressure sensor slightly protrudes out of the surface of the rack workbench.

4. The leather feeding, clamping and positioning mechanism of claim 1, wherein: the conveying mechanism comprises a conveying motor electrically connected with the control panel, a conveying belt attached to the rack workbench and a driving wheel, and the conveying motor of the conveying mechanism adopts a servo motor with adjustable rotating speed.

5. The leather feeding, clamping and positioning mechanism of claim 1, wherein: the camera adopts automatic focusing's high definition digtal camera, and the regional leather region of carrying to the location compression roller below for being about to carry of camera, and the leather that the camera carried to conveying mechanism shoots.

6. The leather feeding, clamping and positioning mechanism of claim 1, wherein: the two pressure cylinders are synchronous contraction cylinders.

7. The leather feeding, clamping and positioning mechanism of claim 1, wherein: the distance input module is a module for adjusting the distance between the leather die-cutting gaps.

8. The leather feeding, clamping and positioning mechanism of claim 1, wherein: the pressure input module is a module for adjusting the rated pressure value of the positioning compression roller acting on the surface of the frame workbench through the leather to be processed.

9. The leather feeding, clamping and positioning mechanism of claim 1, wherein: the time relay module is a time module for delaying the conveying mechanism to start the cylinder contraction module.

Technical Field

The invention relates to the technical field of leather processing and conveying, in particular to a leather feeding, clamping and positioning mechanism.

Background

The leather is animal leather which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and not easy to rot, the leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain layer which has natural grains and luster and comfortable hand feeling.

The leather needs to be cut into a required shape according to a wrapped product framework during leather processing, in order to improve the efficiency of leather cutting, a die cutting tool with a corresponding shape is generally used for die cutting the leather into a corresponding shape, relevant operators pull the leather to perform die cutting treatment on an unprocessed leather part, but during manual operation, the distance between the processed and cut leather part and a to-be-processed and cut part has strong subjective judgment, so that the distance between a processed leather area and a leather area to be processed is uncertain, and the generation of leather waste is increased.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a leather feeding, clamping and positioning mechanism, which solves the problem that the conveying and feeding distance is not easy to control during batch processing of leather.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a leather feeds clamping positioning mechanism, includes the frame, install conveying mechanism on the workstation of frame, two pressure cylinder are installed to the front side symmetry of frame, and two pressure cylinder's the equal fixedly connected with bearing frame in flexible end installs the location compression roller between two bearing frames, and the transverse orientation pole is installed to the inboard of frame, installs the camera towards conveying mechanism on the transverse orientation pole, the workstation surface mounting of frame has the pressure sensor who is used for detecting pressure cylinder pressure, installs control panel in the frame.

The control panel comprises a core processor, a spacing comparison module, a die cutting area distance calculation module, an image die cutting area analysis module, an image transmission module, a spacing input module, an image storage module, a pressure comparison module, a pressure feedback module, a cylinder contraction module, a time relay, a conveying start-stop module, a pressure input module and a cylinder contraction time input module, wherein the input end of the core processor is unidirectionally and electrically connected with the output end of the spacing comparison module, the input end of the spacing comparison module is unidirectionally and electrically connected with the output ends of the spacing input module and the die cutting area distance calculation module, the input end of the die cutting area distance calculation module is unidirectionally and electrically connected with the output end of the image die cutting area analysis module, the input end of the image die cutting area analysis module is unidirectionally and electrically connected with the output end of the image transmission module, and the input end and the output, the input end of the image transmission module is unidirectionally and electrically connected with the output end of the camera, the output end of the core processor is unidirectionally and electrically connected with the input end of the conveying start-stop module, the output end of the conveying start-stop module is unidirectionally and electrically connected with the input end of the conveying mechanism, the output ends of the conveying mechanism and the cylinder contraction time input module are both unidirectionally and electrically connected with the input end of the time relay module, the output end of the time relay is unidirectionally and electrically connected with the input end of the cylinder contraction module, the output end of the pressure sensor is unidirectionally and electrically connected with the input end of the pressure comparison module, the pressure comparison module is bidirectionally and electrically connected with the pressure input module, the output end of the pressure comparison module is unidirectionally and electrically connected with the input end of the pressure feedback module, the output end of the cylinder contraction module is in one-way electric connection with the input end of the pressure cylinder.

Preferably, the control panel is electrically connected with the conveying mechanism, the pressure cylinder, the camera and the pressure sensor.

Preferably, the pressure sensor is positioned right below the positioning compression roller, the sensing surface of the pressure sensor slightly protrudes out of the surface of the machine frame workbench, and the pressure sensor monitors the pressure applied to the leather by the positioning compression roller in real time, so that the positioning stability of the leather on the conveying mechanism is guaranteed.

Preferably, the conveying mechanism comprises a conveying motor electrically connected with the control panel, a conveying belt attached to the rack workbench and a driving wheel, the conveying motor of the conveying mechanism adopts a servo motor with adjustable rotating speed, and the conveying mechanism conveys the die-cut leather.

Preferably, the camera adopts an automatic focusing high-definition camera, a camera shooting area of the camera is a leather conveying area to be conveyed to the lower portion of the positioning compression roller, and the camera shoots the leather conveyed by the conveying mechanism.

Preferably, the two pressure cylinders are synchronous contraction cylinders, and the pressure cylinders press and position the conveyed leather through positioning compression rollers.

Preferably, the distance input module is a module for adjusting the distance between the leather die-cutting gaps, and the distance is increased before the normal cutting of the leather die-cutting area is guaranteed.

Preferably, the pressure input module is a module for adjusting a rated pressure value of the positioning compression roller acting on the surface of the frame workbench through the leather to be processed, and the pressure input module adjusts a pressure critical value according to the positioning pressure of different leathers.

Preferably, the time relay module is a time module for delaying the conveying mechanism to start the cylinder contraction module, and the positioning press roller is used for pressing and positioning the conveyed leather on the premise of ensuring that the conveying mechanism is completely stopped.

(III) advantageous effects

The invention provides a leather feeding, clamping and positioning mechanism. The method has the following beneficial effects:

(1) this leather feeds centre gripping positioning mechanism, through set up pressure cylinder in the frame, the location compression roller, the camera, pressure sensor and control panel mutually support, when equipment uses, conveying mechanism carries the leather of placing in the frame, the camera is to having processed the cutting leather region and shoot the scanning and judge the distance, and calculate discernment and control conveying mechanism through control panel and open and stop, after conveying mechanism stops, pressure cylinder's telescopic link end acts on the location compression roller through the bearing frame, make the location compression roller compress tightly the location to the leather of carrying, be convenient for relevant corollary equipment carries out cross cutting on next step to the leather and handles, be different from the mode of traditional artifical judgement transport cross cutting distance, furthest's the interval that reduces the leather cross cutting, reduce the production of leather waste.

(2) This leather feeds centre gripping positioning mechanism, analyze the module and mutually support through setting up interval input module and image cross cutting area in control panel, when equipment uses, the camera carries out real-time scanning of shooing to the leather that conveying mechanism carried, operating personnel judges the leather cutting interval and inputs interval numerical value to interval input module through control panel according to the leather material, make image cross cutting area analysis module and cross cutting area apart from calculation module carry out the analysis and calculation, interval contrast module contrasts the input numerical value of interval input module, whether continue to carry or stop carrying with judging conveying mechanism, be different from the mode of traditional artifical manual judgement, effectively avoid the transport error that manual operation brought, reduce the cutting interval between the leather, increase the cutting utilization ratio of leather.

(3) The leather feeding, clamping and positioning mechanism is characterized in that a pressure sensor is arranged to monitor the pressure applied by a positioning compression roller in real time, so that after a conveying mechanism starts to stop under the action of an electric signal of a conveying start-stop module, the conveying mechanism feeds back the pressure to a time relay module, the time relay module controls a time relay to be spaced for a certain time, after the conveying mechanism stops completely, a control cylinder contraction module acts on a pressure cylinder, the pressure cylinder compresses leather below the positioning compression roller through a bearing seat, the pressure sensor detects the pressure born by the leather in real time, when the pressure reaches a maximum critical value, the pressure comparison module compares the input critical value with a pressure input module, the pressure feedback module acts on the cylinder contraction module to control the pressure cylinder to stop extending, and related matched die cutting equipment can perform die cutting action on the leather which is compressed and positioned, the matching stability among all matched structures of the equipment is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a block diagram of the system of the present invention.

In the figure: the system comprises a rack 1, a conveying mechanism 2, a pressure cylinder 3, a bearing seat 4, a positioning compression roller 5, a transverse positioning rod 6, a camera 7, a pressure sensor 8, a control panel 9, a core processor 9.1, a distance comparison module 9.2, a cutting area distance calculation module 9.3, an image cutting area analysis module 9.4, an image transmission module 9.5, an input module 9.6, an image storage module 9.7, a pressure comparison module 9.8, a pressure feedback module 9.9, an air cylinder contraction module 9.10, a time relay module 9.11, a time relay 9.12, a conveying start-stop module 9.13, a pressure input module 9.14 and an air cylinder contraction time input module 9.15.

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.

As shown in fig. 1-2, the present invention provides a technical solution: a leather feeding, clamping and positioning mechanism comprises a rack 1, a conveying mechanism 2 is installed on a workbench of the rack 1, two pressure cylinders 3 are symmetrically installed on the front side of the rack 1, the telescopic tail ends of the two pressure cylinders 3 are fixedly connected with bearing blocks 4, a positioning compression roller 5 is installed between the two bearing blocks 4, a transverse positioning rod 6 is installed on the inner side of the rack 1, a camera 7 facing the conveying mechanism 2 is installed on the transverse positioning rod 6, a pressure sensor 8 for detecting the pressure of the pressure cylinder 3 is installed on the surface of the workbench of the rack 1, a control panel 9 is installed on the rack 1, the control panel 9 is electrically connected with the conveying mechanism 2, the pressure cylinders 3, a camera 7 and the pressure sensor 8, the pressure sensor 8 is located under the positioning compression roller 5, the sensing surface of the pressure sensor 8 slightly protrudes out of the surface of the workbench of the rack 1, the pressure sensor 8 monitors the pressure applied to the leather by the positioning compression roller 5 in real time to ensure the positioning stability of the leather on the conveying mechanism 2, the conveying mechanism 2 comprises a conveying motor electrically connected with a control panel 9, conveyer belt and drive wheel with 1 workstation of frame laminating mutually, conveying mechanism 2's conveying motor adopts adjustable rotational speed's servo motor, conveying mechanism 2 adopts chain slat type conveying mechanism, conveying mechanism 2 carries the pair cutting leather, camera 7 adopts automatic focusing's high definition digtal camera, camera 7's the region of making a video recording is for being about to carry to the transport leather region of location compression roller 5 below, camera 7 shoots the leather that conveying mechanism 2 carried, two pressure cylinder 3 are synchronous shrink cylinder, pressure cylinder 3 is exerted pressure the location to carrying the leather through location compression roller 5, the effective length of compressing tightly of location compression roller 5 equals with the effective width of carrying of conveying mechanism 2 conveyer belts.

The control panel 9 comprises a core processor 9.1, a spacing comparison module 9.2, a die-cutting area distance calculation module 9.3, an image die-cutting area analysis module 9.4, an image transmission module 9.5, a spacing input module 9.6, an image storage module 9.7, a pressure comparison module 9.8, a pressure feedback module 9.9, an air cylinder contraction module 9.10, a time relay module 9.11, a time relay 9.12, a conveying start-stop module 9.13, a pressure input module 9.14 and an air cylinder contraction time input module 9.15, wherein the input end of the core processor 9.1 is unidirectionally and electrically connected with the output end of the spacing comparison module 9.2, the input end of the spacing comparison module 9.2 is unidirectionally and electrically connected with the output ends of the spacing input module 9.6 and the die-cutting area distance calculation module 9.3, the input end of the die-cutting area distance calculation module 9.3 is unidirectionally and electrically connected with the output end of the image die-cutting area analysis module 9.4, the input end of the image die-cutting area analysis module 9.4, the input end and the output end of an image transmission module 9.5 are in bidirectional electric connection with the output end and the input end of an image storage module 9.7, the input end of the image transmission module 9.5 is in unidirectional electric connection with the output end of a camera 7, the output end of a core processor 9.1 is in unidirectional electric connection with the input end of a conveying start-stop module 9.13, the output end of the conveying start-stop module 9.13 is in unidirectional electric connection with the input end of a conveying mechanism 2, the output ends of the conveying mechanism 2 and a cylinder contraction time input module 9.15 are both in unidirectional electric connection with the input end of a time relay module 9.11, the output end of the time relay module 9.11 is in unidirectional electric connection with the input end of a time relay 9.12, the output end of the time relay 9.12 is in unidirectional electric connection with the input end of a cylinder contraction module 9.10, the output end of a pressure sensor 8 is in unidirectional electric connection with, the output end of a pressure comparison module 9.8 is unidirectionally and electrically connected with the input end of a pressure feedback module 9.9, the output end of the pressure feedback module 9.9 is unidirectionally and electrically connected with the input end of an air cylinder contraction module 9.10, the output end of the air cylinder contraction module 9.10 is unidirectionally and electrically connected with the input end of a pressure air cylinder 3, a spacing input module 9.6 is a module for adjusting the distance between leather die cutting gaps and lifting the spacing distance before the normal cutting of a leather die cutting area is ensured, a pressure input module 9.14 is a module for adjusting the rated pressure value of a positioning compression roller 5 acting on the surface of a worktable of a rack 1 through leather to be processed, a pressure input module 9.14 adjusts the pressure critical value according to the positioning pressure of different leathers, a time relay module 9.11 is a time module for delaying a conveying mechanism 2 to start the air cylinder contraction module 9.10, and ensures that the conveying mechanism 2 compresses and positions, the cylinder contraction time input module 9.15 is a time interval control module that controls the contraction of the pressure cylinders 3.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In conclusion, when the device is used, the conveying mechanism 2 conveys leather, the camera 7 performs real-time photographing and scanning on the leather conveyed by the conveying mechanism 2, an operator judges the cutting distance of the leather according to leather materials and inputs a distance value to the distance input module 9.6 through the control panel 9, so that the image die cutting area analysis module 9.4 and the die cutting area distance calculation module 9.3 perform analysis and calculation, the distance comparison module 9.2 compares the input value of the distance input module 9.6 to judge whether the conveying mechanism 2 continues conveying or stops conveying, so that the conveying mechanism 2 starts to stop under the action of an electric signal of the conveying start-stop module 9.13 and feeds the result back to the time relay module 9.11, the time relay module 9.11 controls the time relay 9.12 to be separated for a certain time, so that the cylinder contraction module 9.10 is controlled to act on the pressure cylinder 3 after the conveying mechanism 2 completely stops, the pressure cylinder 3 presses the leather below the press roller 5 through the bearing seat 4, the pressure sensor 8 detects the pressure born by the leather in real time, when the pressure reaches the maximum critical value, the pressure comparison module 9.8 is used for comparing with the pressure input module 9.14 to input critical values, the pressure feedback module 9.9 acts on the air cylinder contraction module 9.10 to control the pressure air cylinder 3 to stop extending action, so that the related matched die cutting equipment can perform die cutting action on the leather pressed and positioned, and the cylinder contraction time input module 9.15 is a time module for relevant matched equipment to die cut leather, after the leather is cut, the leather acts on the time relay module 9.11, the time relay module 9.11 acts on the time relay 9.12, so that the air cylinder contraction module 9.10 acts on the pressure air cylinder 3 to perform contraction action, and the conveying mechanism 2 continues conveying the leather.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.