CN202517802U - Automatic hydraulic mesh stretching machine - Google Patents
Automatic hydraulic mesh stretching machine Download PDFInfo
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- CN202517802U CN202517802U CN2012200953530U CN201220095353U CN202517802U CN 202517802 U CN202517802 U CN 202517802U CN 2012200953530 U CN2012200953530 U CN 2012200953530U CN 201220095353 U CN201220095353 U CN 201220095353U CN 202517802 U CN202517802 U CN 202517802U
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Abstract
The utility model relates to an automatic hydraulic mesh stretching machine and belongs to the technical field of screen printing plate-making. The automatic hydraulic mesh stretching machine consists of a host machine, a hydraulic system, a pneumatic system and a control system, wherein the hydraulic system, the pneumatic system and the control system are arranged on one side of the host machine; the control system is connected with the hydraulic system and the pneumatic system through leads; and the host machine is connected with the hydraulic system and the pneumatic system through leads. A hydraulic cylinder serves as an executing element of a mesh stretching action, PLC (programmable logic controller) control is realized, and hydraulic oil is uniformly distributed through a synchronous flow-distributing motor, so that the tension to a screen mesh in the longitudinal direction and the horizontal direction is enabled to be uniform and consistent, manual interference in a mesh stretching process is reduced, the mesh stretching action is stable, and the phenomenon that the screen mesh is torn when the screen mesh is initially stretched is avoided. On the other hand, the longitudinal and the horizontal pressure of the hydraulic cylinder of the automatic hydraulic mesh stretching machine can be adjusted through a proportional pressure-reducing valve, so that the problem that the screen mesh is easy to tear because the pressure to a pneumatic mesh stretching machine is not easy to control and instant quick high stretching force is easy to generate during initial stretching is solved.
Description
Technical field
The utility model relates to a kind of automatic hydraulic net machine that stretches tight, and belongs to the plate-making of screen process technical field.
Background technology
The net machine that stretches tight is the special-purpose assorted Aided Machine that plate-making of screen process is used, and it is that silk screen is tightened on the screen frame with certain force of strain, forms printing plate support.Difference according to the net power that stretches tight mainly contains two kinds of net equipment that stretch tight in the market, and a kind of is the pneumatic type net machine that stretches tight, and another kind is the mechanical type net machine that stretches tight.Pneumatic type stretches tight the net machine because air pressure is wayward, when just drawing, occurs big fast pulling force of moment easily, and silk screen is prone to be damaged; The stretch tight power of the tightening size of net machine of pneumatic type receives the control of cylinder capacity in addition, and cylinder capacity does not match and can cause silk screen tension force not reach requirement.The mechanical type net machine that stretches tight can not produce stretch tight these problems of net machine of pneumatic type; The net machine can not accurately be controlled silk screen tension force but mechanical type stretches tight; And service time parts such as gear, tooth bar and guide rail can occur after long and run improperly, thereby the net action that causes stretching tight is asynchronous, has a strong impact on silk screen version quality.In addition, above-mentioned two kinds of equipment need a large amount of operators in the network process that stretches tight, and automaticity is not high, can not adapt to the wilderness demand of serigraphy industry to the silk screen version gradually.
Summary of the invention
The purpose of the utility model is; Provide a kind of net action execution unit that stretches tight to adopt the hydraulic cylinder combination that is synchronized with the movement; Silk screen compress with the screen frame platform on top element adopt the pneumatic cylinder combination, the automatic hydraulic that have automaticity height, compact conformation, can accurately the control silk screen tension force net machine that stretches tight.
The utility model is to realize above-mentioned purpose through following technical scheme:
This automatic hydraulic net machine that stretches tight is made up of main frame, hydraulic system, baric systerm and control system; Described hydraulic system, baric systerm and control system all place a side of main frame; Be connected through lead between control system and hydraulic system, the baric systerm, connect through pipeline between main frame and hydraulic system, the baric systerm; It is characterized in that:
Described main frame by the net fluid cylinder that laterally stretches tight, vertically stretch tight the net fluid cylinder, vertically compress top cylinder on rotary cylinder, longitudinal rail assembly, cross slide way assembly, the screen frame, laterally compress rotary cylinder, vertically ceiling molding, vertically play press strip, transversely press strip, laterally play press strip and frame to constitute; Frame is the hollow frame structure, and the cross slide way component level is arranged and is installed on frame inside, and the longitudinal rail assembly is installed on the outside on the long limit of frame; Vertically press strip is welded on respectively on the slide bar of longitudinal rail assembly and cross slide way assembly with horizontal press strip down down; The cylinder body that vertically compresses rotary cylinder and laterally compress rotary cylinder is installed on vertically down press strip with laterally down on the press strip, vertically compresses rotary cylinder and laterally compress to be separately installed with vertical ceiling molding and press strip transversely on the piston of rotary cylinder; Vertically stretch tight to net fluid cylinder and laterally stretch tight and net the side that fluid cylinder is installed in longitudinal rail assembly and cross slide way assembly respectively; The top cylinder is installed on the inner framework of frame on the screen frame.
Described hydraulic system is by fuel tank, filter, variable vane pump, motor, overflow valve, Pressure gauge, cooler, hydraulic quick coupler, one-way throttle valve, three position four-way electrohy-draulic valve, proportional pressure-reducing valve, pressure transmitter, synchronized splitter motor, laterally stretch tight net fluid cylinder, the oil path block and the net fluid cylinder that vertically stretches tight constitutes; Variable vane pump and motor link; On the suction line of variable vane pump filter is installed; Overflow valve, Pressure gauge and hydraulic quick coupler are installed on the outlet line of variable vane pump successively; The outlet of hydraulic quick coupler is equipped with an one-way throttle valve, and the outlet hydraulic line of one-way throttle valve is divided into two branch roads of vertical and horizontal; Each correspondence is equipped with three position four-way electrohy-draulic valve on two branch roads of vertical and horizontal, and 4 import and export of three position four-way electrohy-draulic valve are connected to proportional pressure-reducing valve and oil path block and oil return pipeline respectively; The outlet order of proportional pressure-reducing valve is to choke valve, and the outlet of one-way throttle valve connects pressure transmitter; The outlet of pressure transmitter connects the synchronized splitter motor, and 4 outlets of synchronized splitter motor are connected to the working end of laterally stretch tight the net fluid cylinder and the net fluid cylinder that vertically stretches tight respectively, and the non-operative end of laterally stretch tight the net fluid cylinder and the net fluid cylinder that vertically stretches tight is connected to oil path block; Attaching has hydraulic quick coupler on total oil return pipeline of two branch roads of described vertical and horizontal, and the port of export of hydraulic quick coupler is equipped with cooler.
Described baric systerm connects through pipeline between each cylinder and the pneumatic supply by top cylinder on pneumatic supply, the screen frame, vertically compress rotary cylinder and laterally compress rotary cylinder and form.
Described control system is made up of integrated switch board of PLC and pedal, and pedal links to each other with the integrated switch board of PLC through lead.
The utility model beneficial effect compared with prior art is:
This automatic hydraulic stretches tight net machine employing hydraulic cylinder as the executive component that the net that stretches tight moves, and is prone to realization PLC control, and hydraulic oil is through the uniform distribution of synchronized splitter motor; Make the fluid cylinder synchronization action on each branch road; Guarantee that silk screen is longitudinally consistent with horizontal even tension, reduced the manual intervention in the network process that stretches tight, the net stable action stretches tight; Stop the phenomenon of tearing when silk screen just draws, improved the quality of silk screen version.On the other hand; This automatic hydraulic net machine that stretches tight can be regulated respectively through the proportional pressure-reducing valve on each branch road to the pressure of fluid cylinder in length and breadth; Be convenient to realize that specific silk screen is in length and breadth to tension force; Solved pneumatic type and stretched tight the net machine, when just drawing, occurred big fast pulling force of moment easily, caused silk screen to be prone to impaired problem because air pressure is wayward.This automatic hydraulic net machine compact conformation that stretches tight, automaticity improves greatly, can accurately control silk screen tension force.
Description of drawings
Fig. 1 is the stretch tight hydraulic system sketch map of net machine of automatic hydraulic;
Fig. 2 is the stretch tight plan structure sketch map of net machine of automatic hydraulic;
Fig. 3 nets the left TV structure sketch map of machine host for automatic hydraulic stretches tight.
Among the figure: 1, fuel tank, 2, filter, 3, variable vane pump, 4, motor, 5, overflow valve; 6, Pressure gauge, 7, cooler, 8, hydraulic quick coupler, 9, one-way throttle valve, 10, three position four-way electrohy-draulic valve; 11, proportional pressure-reducing valve, 12, pressure transmitter, 13, the synchronized splitter motor, 14, the horizontal net fluid cylinder that stretches tight, 15, oil path block; 16, the net fluid cylinder that vertically stretches tight, 17,18, pedal, 19, the integrated switch board of PLC, 20, hydraulic system, 21, pneumatic supply; 22, vertically compress rotary cylinder, 23, the longitudinal rail assembly, 24, the cross slide way assembly, 25, top cylinder on the screen frame, 26, laterally compress rotary cylinder; 27, vertical ceiling molding, 28, vertically play press strip, 29, press strip transversely, 30, laterally play press strip, 31, frame.
The specific embodiment
This automatic hydraulic net machine that stretches tight is made up of main frame, hydraulic system 20, baric systerm and control system; Described hydraulic system 20, baric systerm and control system all place a side of main frame; Be connected through lead between control system and hydraulic system 20, the baric systerm, connect through pipeline between main frame and hydraulic system 20, the baric systerm.
Described main frame by the net fluid cylinder 14 that laterally stretches tight, vertically stretch tight net fluid cylinder 16, vertically compress top cylinder 25 on rotary cylinder 22, longitudinal rail assembly 23, cross slide way assembly 24, the screen frame, laterally compress rotary cylinder 26, vertically ceiling molding 27, vertically play press strip 28, transversely press strip 29, laterally play press strip 30 and frame 31 to constitute.Frame 31 is the hollow frame structure, and cross slide way assembly 24 horizontally is installed on frame 31 inside, and longitudinal rail assembly 23 is installed on the outside on frame 31 long limits; Vertically press strip 28 is welded on respectively on the slide bar of longitudinal rail assembly 23 and cross slide way assembly 24 with horizontal press strip 30 down down; The cylinder body that vertically compresses rotary cylinder 22 and laterally compress rotary cylinder 26 is installed on vertically down press strip 28 with laterally down on the press strip 30, vertically compresses rotary cylinder 22 and laterally compress to be separately installed with vertical ceiling molding 27 and press strip 29 transversely on the piston of rotary cylinder 26; Vertically stretch tight to net fluid cylinder 16 and laterally stretch tight and net the side that fluid cylinder 14 is installed in longitudinal rail assembly 23 and cross slide way assembly 24 respectively; Top cylinder 25 is installed on the framework of frame 31 inside on the screen frame; Be weight reduction, improve action sensitivity, vertically ceiling molding 27 and transversely the main body of press strip 29 all adopt the aluminium alloy manufacturing.
Described hydraulic system is by fuel tank 1, filter 2, variable vane pump 3, motor 4, overflow valve 5, Pressure gauge 6, cooler 7, hydraulic quick coupler 8, one-way throttle valve 9, three position four-way electrohy-draulic valve 10, proportional pressure-reducing valve 11, pressure transmitter 12, synchronized splitter motor 13, laterally stretch tight net fluid cylinder 14, the oil path block 15 and the net fluid cylinder 16 that vertically stretches tight formed; Said variable vane pump 3 links with motor 4; Filter 2 is installed on the suction line of variable vane pump 3; Overflow valve 5, Pressure gauge 6 and hydraulic quick coupler 8 are installed on the outlet line of variable vane pump 3 successively; Hydraulic quick coupler 8 outlets are equipped with an one-way throttle valve 9, and the outlet hydraulic line of one-way throttle valve 9 is divided into two branch roads of vertical and horizontal.On two branch roads of vertical and horizontal respectively correspondence three position four-way electrohy-draulic valve 10 is installed, 4 import and export of three position four-way electrohy-draulic valve 10 are connected to proportional pressure-reducing valve 11 and oil path block 15 and oil return pipeline respectively; The outlet order of proportional pressure-reducing valve 11 is to choke valve 9, and the outlet of one-way throttle valve 9 connects pressure transmitter 12; The outlet of pressure transmitter 12 connects synchronized splitter motor 13; 4 outlets of synchronized splitter motor 13 are connected to the working end of laterally stretch tight the net fluid cylinder 14 and the net fluid cylinder 16 that vertically stretches tight respectively, and the non-operative end of laterally stretch tight the net fluid cylinder 14 and the net fluid cylinder 16 that vertically stretches tight is connected to oil path block 15.Attaching has hydraulic quick coupler 8 on total oil return pipeline of two branch roads of described vertical and horizontal, and the port of export of hydraulic quick coupler 8 is equipped with cooler 7.Described hydraulic quick coupler 8 joints carry check valve, and its effect is to be convenient to band to press dismounting or connection device, and the hydraulic oil water clock in operating process, do not occur and prevent that impurity from getting into hydraulic system.
Described baric systerm connects through pipeline between each cylinder and the pneumatic supply 21 by top cylinder 25 on pneumatic supply 21, the screen frame, vertically compress rotary cylinder 22 and laterally compress rotary cylinder 26 and form.
Described control system is made up of with pedal 17,18 the integrated switch board 19 of PLC, and pedal 17,18 passes through lead and links to each other with the integrated switch board 19 of PLC.
The described net fluid cylinder 14 that laterally stretches tight, vertically stretch tight top cylinder 25 on net fluid cylinder 16, the screen frame, vertically compress rotary cylinder 22 and laterally compress the part that rotary cylinder 26 is a main frame, also be respectively the part of hydraulic system 20 and baric systerm.
This automatic hydraulic net machine that stretches tight is carried out when stretching tight the net operation; The input vertical, horizontal net pressure that stretches tight in the integrated switch board 19 of PLC in advance; On main frame, lay some screen frames as required, tiling silk screen and silk screen placed vertical ceiling molding 27 and press strip 29 and vertically play press strip 28 and laterally play between the press strip 30 transversely on the screen frame.Push down on the pedal after 17, the integrated switch board 19 of PLC starts pneumatic supplies 21, makes vertically to compress rotary cylinder 22 work, drive vertical ceiling molding 27 swings and press down, with vertically down press strip 28 the silk screen minor face is clamped.The integrated switch board 19 of PLC is according to the program start hydraulic system of importing in advance 20, and motor 4 drives variable vane pumps 3 work, and hydraulic oil gets into pipelines through filter 2; Through flowing to the inlet of one-way throttle valve 9 behind the hydraulic quick coupler 8, through getting into the three position four-way electrohy-draulic valve 10 of vertical branch road behind the one-way throttle valve 9 adjusting flows, this moment, the inlet of three position four-way electrohy-draulic valve 10 was communicated with proportional pressure-reducing valve 11; After proportional pressure-reducing valve 11 adjustings, the pressure of hydraulic oil is reduced to the required net pressure that stretches tight, feed pressure transmitter 12; After 12 pairs of oil pressure of pressure transmitter are accurately measured; Signal feedback is supplied operating personnel's monitoring to the integrated switch board of PLC, and hydraulic oil flows out the back from pressure transmitter 12 and gets into synchronized splitter motor 13, after 13 uniform distributions of synchronized splitter motor, gets into the net fluid cylinder 16 that vertically stretches tight; Make each fluid cylinder synchronization action, carry out longitudinal stretching.Oil return then flows into cooler 7 through synchronized splitter motor 13, three position four-way electrohy-draulic valve 10 and hydraulic quick coupler 8 successively, after cooler 7 coolings, gets into fuel tank 1 circulation.
After treating that longitudinal stretching finishes, push down on the pedal 18,19 of the integrated switch boards of PLC control pneumatic supply 21, make laterally to compress rotary cylinder 26 work, drive transversely press strip 29 swings and press down, with laterally down press strip 30 the long limit of silk screen is clamped; The integrated switch board of PLC 19 to the transverse legs fuel feeding, is carried out the net action of laterally stretching tight according to program setting then, and each parts function of transverse legs is identical with vertical branch road.
After vertical, horizontal stretches and all finishes; The piston of top cylinder 25 rises on the integrated switch board 19 control screen frames of PLC; Screen frame and silk screen are adjacent to; Coat glue special at silk screen and screen frame contact site, treat to cut silk screen by the screen frame size after the glue dries, promptly become the silk screen version finished product that can be used for serigraphy.
The above is the specific embodiment of this utility model; The above-mentioned flesh and blood that illustrates not the utility model constitutes restriction; Under the those of ordinary skill of technical field after having read this specification, can make an amendment or be out of shape the above-mentioned specific embodiment, and do not deviate from the essence and the scope of the utility model.
Claims (1)
1. an automatic hydraulic stretches tight the net machine by main frame, hydraulic system (20), baric systerm and control system formation; Described hydraulic system (20), baric systerm and control system all place a side of main frame; Be connected through lead between control system and hydraulic system (20), the baric systerm, connect through pipeline between main frame and hydraulic system (20), the baric systerm; It is characterized in that:
Described main frame by the net fluid cylinder (14) that laterally stretches tight, vertically stretch tight net fluid cylinder (16), vertically compress top cylinder (25) on rotary cylinder (22), longitudinal rail assembly (23), cross slide way assembly (24), the screen frame, laterally compress rotary cylinder (26), vertically ceiling molding (27), vertically play press strip (28), transversely press strip (29), laterally play press strip (30) and frame (31) formation; Frame (31) is the hollow frame structure, and cross slide way assembly (24) horizontally is installed on frame (31) inside, and longitudinal rail assembly (23) is installed on the outside on the long limit of frame (31); Vertically press strip (28) and horizontal press strip (30) down are welded on respectively on the slide bar of longitudinal rail assembly (23) and cross slide way assembly (24) down; The cylinder body that vertically compresses rotary cylinder (22) and laterally compress rotary cylinder (26) is installed on vertically down on the press strip (28) and laterally following press strip (30), vertically compresses rotary cylinder (22) and laterally compress to be separately installed with vertical ceiling molding (27) and press strip (29) transversely on the piston of rotary cylinder (26); Vertically stretch tight to net fluid cylinder (16) and laterally stretch tight and net the side that fluid cylinder (14) is installed in longitudinal rail assembly (23) and cross slide way assembly (24) respectively; Top cylinder (25) is installed on the inner framework of frame (31) on the screen frame;
Described hydraulic system (20) by fuel tank (1), filter (2), variable vane pump (3), motor (4), overflow valve (5), Pressure gauge (6), cooler (7), hydraulic quick coupler (8), one-way throttle valve (9), three position four-way electrohy-draulic valve (10), proportional pressure-reducing valve (11), pressure transmitter (12), synchronized splitter motor (13), laterally stretch tight net fluid cylinder (14), oil path block (15) and net fluid cylinder (16) formation that vertically stretches tight; Variable vane pump (3) links with motor (4); Filter (2) is installed on the suction line of variable vane pump (3); Overflow valve (5), Pressure gauge (6) and hydraulic quick coupler (8) are installed on the outlet line of variable vane pump (3) successively; The outlet of hydraulic quick coupler (8) is equipped with an one-way throttle valve (9), and the outlet hydraulic line of one-way throttle valve (9) is divided into two branch roads of vertical and horizontal; Each correspondence is equipped with three position four-way electrohy-draulic valve (10) on two branch roads of vertical and horizontal, and 4 import and export of three position four-way electrohy-draulic valve (10) are connected to proportional pressure-reducing valve (11) and oil path block (15) and oil return pipeline respectively; The outlet order of proportional pressure-reducing valve (11) is to choke valve (9), and the outlet of one-way throttle valve (9) connects pressure transmitter (12); The outlet of pressure transmitter (12) connects synchronized splitter motor (13); 4 outlets of synchronized splitter motor (13) are connected to the working end of laterally stretch tight the net fluid cylinder (14) and the net fluid cylinder (16) that vertically stretches tight respectively, and the non-operative end of laterally stretch tight the net fluid cylinder (14) and the net fluid cylinder (16) that vertically stretches tight is connected to oil path block (15); Attaching has hydraulic quick coupler (8) on total oil return pipeline of two branch roads of described vertical and horizontal, and the port of export of hydraulic quick coupler (8) is equipped with cooler (7);
Described baric systerm connects through pipeline between each cylinder and the pneumatic supply (21) by top cylinder (25) on pneumatic supply (21), the screen frame, vertically compress rotary cylinder (22) and laterally compress rotary cylinder (26) and form;
Described control system is made up of the integrated switch board of PLC (19) and pedal (17), (18), and pedal (17), (18) link to each other with the integrated switch board of PLC (19) through lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200953530U CN202517802U (en) | 2012-03-14 | 2012-03-14 | Automatic hydraulic mesh stretching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200953530U CN202517802U (en) | 2012-03-14 | 2012-03-14 | Automatic hydraulic mesh stretching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202517802U true CN202517802U (en) | 2012-11-07 |
Family
ID=47100765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200953530U Withdrawn - After Issue CN202517802U (en) | 2012-03-14 | 2012-03-14 | Automatic hydraulic mesh stretching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202517802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602135A (en) * | 2012-03-14 | 2012-07-25 | 长江大学 | Automatic hydraulic screen stretching machine |
| CN103568474A (en) * | 2013-10-18 | 2014-02-12 | 安徽华印机电股份有限公司 | Screen stretching device for screen printer |
-
2012
- 2012-03-14 CN CN2012200953530U patent/CN202517802U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602135A (en) * | 2012-03-14 | 2012-07-25 | 长江大学 | Automatic hydraulic screen stretching machine |
| CN102602135B (en) * | 2012-03-14 | 2013-09-11 | 长江大学 | Automatic hydraulic screen stretching machine |
| CN103568474A (en) * | 2013-10-18 | 2014-02-12 | 安徽华印机电股份有限公司 | Screen stretching device for screen printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121107 Effective date of abandoning: 20130911 |
|
| RGAV | Abandon patent right to avoid regrant |