CN220052929U - Filter screen production facility - Google Patents

Abstract

The utility model provides a filter screen production device, comprising: the placing unit is provided with a movable placing groove, a frame bearing a filter screen is placed in the placing groove, and the filter screen and the frame are arranged separately at the moment; the edge folding unit is used for bending the single side of the frame towards the side close to the filter screen; the molding unit is used for pressing the frame and clamping the filter screen in the frame so as to finish the processing of a finished product; the placing unit, the flanging unit and the forming unit are all arranged on the same workbench and are sequentially arranged along the transmission direction of the placing groove. The filter screen production equipment is used for pressing the filter screen into the frame, has a simple structure, is easy to process, has low production cost, can automatically carry out plastic processing on the frame of the filter screen used in a kitchen, can be operated by a single person, and has good processing quality, high efficiency and stable performance.

Description

Filter screen production facility

Technical Field

The utility model belongs to the technical field of kitchen filtration, and particularly relates to filter screen production equipment.

Background

With the wide application of grease/air filter screens in smoke exhaust ventilator, microwave oven and other equipment, the manufacturing quality of the filter screens directly influences the use experience effect of kitchen utensil products. The frame processing of the existing filter screen is single-procedure circulation processing, and a finished product is finally formed by bending and pressing the frame through a manual operation machine. The processing efficiency is low, the production cost is high, the processing quality controllability is poor, and the product quality is unstable; the processing equipment of all processes occupies a large area, the risks of mixing or misoperation are easy to occur, and the noise pollution of the operation environment is large, so that the physical and mental health of personnel is not facilitated.

Disclosure of Invention

The utility model provides filter screen production equipment, which solves the technical problems of unstable product quality and low safety performance caused by manual processing in the prior art.

In order to solve at least one of the technical problems, the utility model adopts the following technical scheme:

a screen production facility comprising:

the placing unit is provided with a movable placing groove, a frame bearing a filter screen is placed in the placing groove, and the filter screen and the frame are arranged separately at the moment;

the edge folding unit is used for bending the single side of the frame towards the side close to the filter screen;

the molding unit is used for pressing the frame and clamping the filter screen in the frame so as to finish the processing of a finished product;

the placing unit, the flanging unit and the forming unit are all arranged on the same workbench and are sequentially arranged along the transmission direction of the placing groove.

Further, the frame is configured into a rectangular structure, two groups of side edges which are symmetrically arranged are configured, and a space for placing the filter screen is enclosed;

the four sides of the frame are connected in a head-tail clearance way, and the cross section of the frame is constructed into an L-shaped structure;

the lower bottom surface of the frame is a horizontal plane.

Further, the hemming unit includes:

support component one: the placing groove is arranged across the placing groove and is positioned above the frame;

hemming assembly: comprises two groups of push plates which are symmetrically arranged and are suspended on the first supporting component;

the push plates of single-group symmetry are controlled in sequence so as to push the corresponding frames to bend towards the inner sides of the frames, and the bending angle of the frames is smaller than 90 degrees.

Further, the first supporting component comprises a first upright post, a first fixing plate for fixing the top end of the first upright post and a first moving plate for fixing the pushing plate, wherein,

the first movable plate is positioned below the first fixed plate and is penetrated by the first upright post;

the top of the first fixed plate is also provided with a flanging cylinder which drives the flanging component to move up and down along the height of the first upright post through the first movable plate.

Further, all the pushing plates are controlled by pneumatic pushing cylinders fixed on the lower end face of the moving plate;

the symmetrically-arranged push plates are driven by the pneumatic push cylinders and can horizontally move in opposite directions or synchronously move in opposite directions along the length/width direction of the filter screen;

the length of the push plate is matched with the length of the corresponding frame.

Further, the molding unit comprises a second supporting component, a gas-liquid pressurizing cylinder arranged at the top of the second supporting component and a pressing component arranged on the second supporting component, wherein,

the second supporting component is arranged across the length of the placing groove;

the pressing assembly comprises a pressing plate matched with the frame in position, and the lower end face of the pressing plate is a flat face;

the gas-liquid pressurizing cylinder drives the pressing assembly to move downwards integrally, so that the pressing plate presses the bent edge of the frame towards the top surface of the filter screen, and the frame wraps the side of the filter screen to form the finished product.

Further, the second supporting component comprises a second upright post, a second fixing plate and a second moving plate for fixing the pressing plate, and the second moving plate is driven by the gas-liquid pressurizing cylinder to move up and down along the height direction of the second upright post;

the second fixed plate and the second movable plate have the same structure and are both constructed into rectangular structures.

Further, the device also comprises a material taking unit which is arranged on one side of the forming unit far away from the flanging unit and is provided with a material sucking component, a transverse cylinder for controlling the material sucking component to horizontally move and a lifting cylinder for controlling the material sucking component to vertically move, wherein the material sucking component is arranged on the lower end face of the lifting cylinder;

the material sucking component is provided with a plurality of suckers, and the suckers are used for sucking the pressed frame and enabling the finished product piece to move from the placing groove to a material receiving box arranged on the outer side of the workbench.

Further, the transverse air cylinder is arranged along the conveying direction of the placing groove and can drive the lifting air cylinder and the sucker to move horizontally; the transverse cylinder and the lifting cylinder are both configured as rodless cylinders.

Further, the placing unit further comprises a transfer cylinder module for driving the placing groove and a conveying belt for supporting the placing groove;

the plurality of placing grooves are arranged side by side and are arranged on the conveying belt side by side;

the workbench is constructed as a square-structured table top, and square channels are formed on the workbench;

the transfer cylinder module is arranged on the lower end face of the workbench and alternately drives the conveyor belt to move along the channel in a unidirectional circulating way.

The filter screen production equipment designed by the utility model is used for pressing the filter screen into the frame, has the advantages of simple structure, easiness in processing and low production cost, can automatically carry out plastic processing on the frame of the filter screen used in a kitchen, can be operated by a single person, and has good processing quality, high efficiency and stable performance.

Drawings

FIG. 1 is a perspective view of a screen manufacturing apparatus according to one embodiment of the present utility model;

FIG. 2 is a top view of a screen manufacturing apparatus according to one embodiment of the present utility model;

FIG. 3 is a top view of a frame and screen combination according to an embodiment of the present utility model;

FIG. 4 is a side view of a bezel flange according to an embodiment of the present utility model;

FIG. 5 is a bottom view of a table according to an embodiment of the utility model;

FIG. 6 is a perspective view of a hemming unit of an embodiment of the utility model;

fig. 7 is a perspective view of a molding unit according to an embodiment of the present utility model.

In the figure:

10. placement unit 11, table 12, placement tank

13. Channel 14, transfer cylinder module 20, hemming unit

21. Column one 22, fixing plate one 23 and moving plate one

24. Hemming cylinder 25, push plate 26 and pneumatic push cylinder

30. Shaping unit 31, second column 32 and second fixing plate

33. Moving plate II 34, gas-liquid pressurizing cylinder 35 and pressing plate

40. Material taking unit 41, sucker 42 and transverse cylinder

43. Lifting cylinder 50, material receiving box 60 and finished product piece

61. Frame 62, filter screen

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples.

The present embodiment provides a filter screen production device, as shown in fig. 1-2, for pressing a filter screen 62 into a frame 61 to form a finished product 60, including a placement unit 10, a hemming unit 20, a forming unit 30 and a material taking unit 40, where the placement unit 10, the hemming unit 20, the forming unit 30 and the material taking unit 40 are all configured on the same workbench 11 and sequentially arranged along a transmission direction of a placement groove 12.

Wherein, the placing unit 10 comprises a movable placing groove 12 placed on the workbench 11, and a frame 61 carrying a filter screen 62 can be placed in the placing groove, and at this time, the filter screen 62 is separated from the frame 61; the hemming unit 20 is provided with a push plate 25 for bending a single side of the frame 61 toward a side close to the filter screen 61; the forming unit 30 is used for pressing the frame 61 and clamping the filter screen 62 in the frame 61 to finish the processing of the finished product 60; the take-out unit 40 is used to remove the final part 60 from the placement tank 12. Each unit in this production facility mutually support closely, and the utilization ratio is high, simple structure and processing are accurate, and whole low in production cost can carry out plastic working to the frame 61 of the used filter screen 62 in kitchen automatically, and single can operate, processingquality is good, efficient and stable performance. The semi-finished product placed in the placing groove 12 can be continuously conveyed along the annular surface of the workbench 11, and the edge frames 61 are continuously folded and pressed in sequence, so that the finished product 60 is obtained continuously.

Specifically, as shown in fig. 3, the semifinished item placed before the creasing unit 10 is a separate piece of the frame 61 and the screen 62. In the present embodiment, the filter 62 is rectangular, so the frame 61 is also rectangular, and two sets of symmetrically disposed sides are disposed on the frame, and the four sides together enclose a space for placing the filter 61. Four sides of the frame 61 are connected end to end with a gap therebetween, and the junction positions of the long side and the short side are each configured as a bevel edge inclined by 45 °.

As shown in fig. 4, in the initial structure, the cross section of any one side of the frame 61 is configured as an L-shaped structure, that is, the included angle between the two sides is 90 °, and the lower bottom surface of the frame 61 is a horizontal plane, that is, the side of the lower end surface of the frame 61 is a flat surface horizontally arranged, so that the frame can be directly placed in the placement groove 12. The initial structure of each four sides is vertical setting of right angle, and the corner of adjacent side is the interval setting, is convenient for leave certain space for the flexible compression of last side when the pressfitting. Then, the upper side edge is bent inwards, the bent structure is flattened, and the side frame 61 wraps the edge of the filter screen 62, so that the filter screen 62 is completely fixed.

Further, the placement unit 10 further includes a transfer cylinder module 14 for driving the placement tank 12 and a conveyor belt for supporting the placement tank 12. The working table 11 is constructed as a square structure table surface with square channels 13; a plurality of side-by-side placement grooves 12 are arranged side-by-side on the conveyor belt and can move in a square ring along the channel 13. All the placing grooves 12 on the workbench 11 are mutually independent, and the adjacent placing grooves 12 are closely arranged, and gap vacancies are reserved for adjusting or maintaining the placing grooves 12.

As shown in fig. 5, the transfer cylinder module 14 includes four sets of cylinders disposed along the structure of the channel 13, and are all configured on the lower end surface of the table 11, and correspondingly, the four conveyor belts are also independent structures driven by the transplanting cylinders respectively, which alternately drive the conveyor belts and drive the placement groove 12 to move circularly along the channel 13 in a unidirectional manner.

As shown in fig. 6, the hemming unit 20 includes a first support member disposed across the placement groove 12 and above the frame 61, and a first hemming member including four first posts 21, a first fixing plate 22 for fixing the top ends of the first posts 21, and a first moving plate 23 for fixing the push plate 25. The hemming assembly comprises two sets of push plates 25 arranged symmetrically, which are suspended on the lower end face of the first movable plate 23 by pneumatic push cylinders 26. The push plates 25 symmetrically arranged in a single group are sequentially controlled to push the upper side edges of the corresponding frames 61 to bend towards the inner sides of the corresponding frames, and the bending angle theta of the frames 61 is smaller than 90 degrees. Preferably, the upper side edge of the frame 61 is inclined inwards relative to the intersection point with the upper end surface of the filter screen 62, and the bent angle θ is 45 °, so that the subsequent press-fit shaping is facilitated, the risk of fluctuation of the filter screen 62 is avoided, and the strength of wrapping and fixing the filter screen 62 can be improved.

In order to improve the utilization rate, the hemming unit 20, the forming unit 30 and the material taking unit 40 are all configured at the same side of the table 11, and the hemming unit 20 makes the first unit of the whole process so that it is located at the side end of the table 11, that is, at a position near the corner in the table 11. Since the placement groove 12 is moved in a unidirectional cycle along the same channel 13, its movement at the corners entails a change in its relative position of movement, i.e. if the two long sides of the placement groove 12 are in contact with the channel 13 before the creasing unit 20, then the two short sides of the placement groove 12 are required to be in contact with the channel 13 when moving to the side where the creasing unit 20 is located. Therefore, the first support member needs to span the long side and the short side of the placement groove 12, that is, the long side and the short side of the placement groove 12 on both sides of the corner of the passage 13 need to be avoided when the first column 21 in the first support member is installed.

The first moving plate 23 is located below the first fixed plate 22 and is penetrated by the first upright post 21, that is, a guide sleeve matched with the first upright post 21 is arranged on the first moving plate 23 and can move up and down along the height of the first upright post 21. The top of the first fixing plate 22 is also fixedly provided with a vertically arranged flanging air cylinder 24, the lower end of the flanging air cylinder penetrates through the first moving plate 23 and is connected with the first moving plate 23, and the flanging air cylinder 24 drives the flanging component to move up and down along the height of the first upright post 21 through the first moving plate 23, so that the height of the relative position of the push plate 25 and the frame 61 can be adjusted.

Further, all the push plates 25 are controlled by pneumatic push cylinders 26 fixed on the lower end face of the first movable plate 23; the oppositely disposed pneumatic rams 26 operate synchronously to drive the symmetrically configured push plates 25 horizontally toward or away from each other along the length/width of the screen 62.

Further, the length of push plate 25 and the length of corresponding frame 61 looks adaptation, and the top of push plate 25 is the inclined plane of slope configuration, and its inclination is 45, and its lower terminal surface is the structure of leveling the setting, is convenient for order about frame 61 to bend, and the inclined plane is vertical towards setting up near frame 61 one side.

As shown in fig. 7, the forming unit 30 includes a second supporting component, a vertically arranged gas-liquid pressurizing cylinder 34 disposed on the top of the second supporting component, and a pressing component disposed on the second supporting component. The second supporting component spans the length of the placement groove 12, is arranged in a clearance manner with the flanging unit 20 and the material taking unit 40 respectively, and is provided with at least one clearance space with the width of the placement groove 12 respectively, so that the consistency of grafting working beats between adjacent units is facilitated.

The pressing assembly comprises a pressing plate 35 which is matched with the frame 61 in position, wherein the lower end surface of the pressing plate 35 is a flat surface, and a rectangular structure is formed by surrounding the flat surface. The gas-liquid pressurizing cylinder 34 drives the pressing assembly to move downwards integrally, so that all the pressing plates 35 synchronously move downwards until the bent frame 61 is pressed, and the bent frame 61 is pressed towards the top surface of the filter screen 62 by continuing to press downwards, so that the frame 61 is wrapped on the side of the filter screen 62 to be fastened, and the finished product piece 60 is formed. As for the pressing depth of the pressing plate 35 to the frame 61, the frame 61 can be pressed down to a position flush with the upper end surface of the filter screen 62; or may be pressed into the thickness of the screen 62, i.e., down to the inside of the screen 62; there is no particular limitation here, and may be based on actual conditions.

Further, the second support assembly includes four second columns 31, a second fixing plate 32 located at the top ends of the second columns 31 and fixedly connected with the second columns, and a second moving plate 33 for fixing the pressing plates 35, where the second moving plate 33 is driven by the gas-liquid pressurizing cylinder 34 to drive all the pressing plates 35 to move up and down along the height direction of the second columns 31. The second fixing plate 32 and the second moving plate 33 have the same structure and are both rectangular structures, and the second moving plate 33 is also provided with a guide sleeve matched with the second upright 31.

Further, the material taking unit 40 is configured at a side of the forming unit 30 away from the hemming unit 20, and is provided with a material sucking assembly, and a transverse cylinder 42 and a vertically moving lifting cylinder 43 for controlling the material sucking assembly to horizontally move, and the material sucking assembly is configured at a lower end surface of the lifting cylinder 43. The suction assembly is provided with four suction cups 41 for sucking the upper end face of the pressed frame 61 and moving the finished product piece 60 from the placement groove 12 to the receiving box 50 configured at the outer side of the table 11.

Further, the transverse air cylinder 42 is arranged along the transmission direction of the placement groove 12, and can drive the lifting air cylinder 43 and the sucker 41 to move horizontally; the lateral air cylinder 42 and the lifting air cylinder 43 are both configured as rodless air cylinders, and the lateral air cylinder 42 is fixed to the side of the table 11, and the lifting air cylinder 43 is disposed on the side close to the placement groove 12.

In operation, the frame 61 surrounding the rectangular structure is placed in the placement groove 12, and the filter screen 62 is placed on the lower bottom surface of the frame 61 and the upper side edge of the frame 61 is vertically arranged. The transplanting cylinder module 14 drives the conveyor belt to drive the placing groove 12 to move anticlockwise and unidirectionally, so that the frame 61 and the filter screen 62 are driven to move towards one side of the position of the hemming unit 20 together. At the same time, the semifinished product of the next group has been placed into the placement slot 12 of the next group in preparation for hemming.

When the frame 61 moves to the position right below the push plate 25, the pneumatic push cylinder 26 drives the moving plate 23 and the push plate 25 to move downwards to the position with the same height as the filter screen 62 and is positioned at the outer side of the frame 61; driving one group of the edge folding cylinders 24 which are arranged in an aligned manner to synchronously drive the oppositely arranged push plates 25 to move oppositely, gradually contacting the upper side edge of one group of the oppositely arranged side frames 61 and propping against the upper side edge to incline 45 degrees towards one side close to the center of the filter screen 62, and then retracting to the initial horizontal direction; driving the other group of edge folding cylinders 24 to synchronously drive the oppositely arranged push plates 25 to move oppositely, gradually contacting the upper side edge of the other group of edge folding cylinders in the frame 61 and propping against the upper side edge of the other group of edge folding cylinders to incline 45 degrees towards the side close to the center of the filter screen 62, and retracting to the initial horizontal direction; and then the first movable plate 23 is driven to vertically ascend and retract to the height of the initial position by the pneumatic push cylinder 26. After the folding of the group of semifinished parts is completed, the next group of semifinished parts is ready to start moving to the side of the folding unit 20.

Continuously driving the placing groove 12 to move forward in a single direction anticlockwise, and when moving to the position right below the forming unit 30, driving the moving plate II 33 by the gas-liquid pressurizing cylinder 34 to drive the pressing plate 35 to move downwards synchronously, and pressing the inclined surface of the bent frame 61 to bend downwards, so that at least the frame 61 is pressed to a position horizontally clung to the upper end surface of the filter screen 62, and a finished product piece 60 is formed; and then the second moving plate 33 is controlled to drive the pressing plate 35 to retract upwards to the height of the initial position. When this group of work pieces 60 is finished, the next group of work pieces has completed the hemming operation ready to start moving to the forming unit 30.

The transplanting cylinder module 14 continues to drive the finished product piece 60 to continue to move forward, when the transplanting cylinder module moves to the position of the material taking unit 40, the lifting cylinder 43 drives the sucker 41 to move down, the vacuum negative pressure is used for controlling the sucker 41 to adsorb the upper end surface of the frame 61, and then the sucker 41 and the finished product piece 60 are controlled to lift, and leave the placing groove 12 to be suspended above the placing groove 12 to stop lifting; the transverse air cylinder 42 drives the finished product piece 60 to horizontally move towards the side far away from the workbench 11, and when the finished product piece 60 moves to the position of the material collecting box 50, the sucker 41 is driven to downwardly move to the inner side of the material collecting box 50, and the sucker 41 is driven to loosen the finished product piece 60 and collect the finished product piece by the material collecting box 50. While driving the finished parts 60 to move to the material receiving box 50, the transplanting cylinder module 14 continues to drive the empty placing groove 12 to move unidirectionally, so as to prepare for placing the next group of semi-finished workpieces, and continuously process the semi-finished workpieces at intervals alternately.

The filter screen production equipment designed by the utility model is used for pressing the filter screen into the frame, has the advantages of simple structure, easiness in processing and low production cost, can automatically carry out plastic processing on the frame of the filter screen used in a kitchen, can be operated by a single person, and has good processing quality, high efficiency and stable performance.

The foregoing detailed description of the embodiments of the utility model has been presented only to illustrate the preferred embodiments of the utility model and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (10)

1. A screen production facility, characterized in that includes:

the placing unit is provided with a movable placing groove, a frame bearing a filter screen is placed in the placing groove, and the filter screen and the frame are arranged separately at the moment;

the edge folding unit is used for bending the single side of the frame towards the side close to the filter screen;

the molding unit is used for pressing the frame and clamping the filter screen in the frame so as to finish the processing of a finished product;

the placing unit, the flanging unit and the forming unit are all arranged on the same workbench and are sequentially arranged along the transmission direction of the placing groove.

2. The apparatus for producing a filter screen according to claim 1, wherein the frame is constructed in a rectangular structure having two sets of symmetrically disposed sides and enclosing a space for placing the filter screen;

the four sides of the frame are connected in a head-tail clearance way, and the cross section of the frame is constructed into an L-shaped structure;

the lower bottom surface of the frame is a horizontal plane.

3. A sieve production apparatus according to claim 1 or 2, wherein the creasing unit comprises:

support component one: the placing groove is arranged across the placing groove and is positioned above the frame;

hemming assembly: comprises two groups of push plates which are symmetrically arranged and are suspended on the first supporting component; the push plates of single-group symmetry are controlled in sequence so as to push the corresponding frames to bend towards the inner sides of the frames, and the bending angle of the frames is smaller than 90 degrees.

4. A filter screen manufacturing apparatus according to claim 3, wherein the first support member includes a first column, a first fixing plate for fixing a top end of the first column, and a first moving plate for fixing the push plate, wherein,

the first movable plate is positioned below the first fixed plate and is penetrated by the first upright post;

the top of the first fixed plate is also provided with a flanging cylinder which drives the flanging component to move up and down along the height of the first upright post through the first movable plate.

5. The apparatus for producing a filter screen according to claim 4, wherein all of said push plates are controlled by pneumatic push cylinders fixed to a lower end surface of said movable plate;

the symmetrically-arranged push plates are driven by the pneumatic push cylinders and can horizontally move in opposite directions or synchronously move in opposite directions along the length/width direction of the filter screen;

the length of the push plate is matched with the length of the corresponding frame.

6. The apparatus for producing a filter screen according to any one of claims 1 to 2 and 4 to 5, wherein the molding unit comprises a second supporting member, a gas-liquid pressurizing cylinder disposed on top of the second supporting member, and a pressing member disposed on the second supporting member,

the second supporting component is arranged across the length of the placing groove;

the pressing assembly comprises a pressing plate matched with the frame in position, and the lower end face of the pressing plate is a flat face;

the gas-liquid pressurizing cylinder drives the pressing assembly to move downwards integrally, so that the pressing plate presses the bent edge of the frame towards the top surface of the filter screen, and the frame wraps the side of the filter screen to form the finished product.

7. The apparatus for producing a filter screen according to claim 6, wherein the second supporting member includes a second column, a second fixing plate, and a second moving plate for fixing the pressing plate, the second moving plate being driven by the gas-liquid pressurizing cylinder to move up and down in a height direction of the second column;

the second fixed plate and the second movable plate have the same structure and are both constructed into rectangular structures.

8. A sieve production apparatus according to any one of claims 1-2, 4-5 and 7, further comprising a material taking unit provided on a side of the forming unit remote from the hemming unit, and provided with a material sucking assembly, and a horizontal cylinder and a vertically moving lifting cylinder for controlling the horizontal movement of the material sucking assembly, the material sucking assembly being provided on a lower end face of the lifting cylinder;

the material sucking component is provided with a plurality of suckers, and the suckers are used for sucking the pressed frame and enabling the finished product piece to move from the placing groove to a material receiving box arranged on the outer side of the workbench.

9. The apparatus for producing a filter screen according to claim 8, wherein the transverse cylinder is provided along the conveying direction of the placement tank, and drives the lifting cylinder and the suction cup to move horizontally;

the transverse cylinder and the lifting cylinder are both configured as rodless cylinders.

10. A sieve production apparatus according to any one of claims 1-2, 4-5, 7, wherein the placement unit further comprises a transfer cylinder module for driving the placement tank and a conveyor belt for supporting the placement tank;

the plurality of placing grooves are arranged side by side and are arranged on the conveying belt side by side;

the workbench is constructed as a square-structured table top, and square channels are formed on the workbench;

the transfer cylinder module is arranged on the lower end face of the workbench and alternately drives the conveyor belt to move along the channel in a unidirectional circulating way.