Remote control pinch roll pressure device

Abstract

The invention relates to a device for remotely controlling the pressure of a pinch roll, which belongs to the technical field of hot galvanizing production lines, and comprises a pressure device for remotely controlling the pressure of the pinch roll, the pressure device comprises a three-way pipe, a normally closed manual valve, a regulating valve, a speed regulating valve, a normally open manual valve and a proportional valve; the number of the three-way pipes is two, the separated ends of the two three-way pipes are provided with an air inlet connector and an air outlet connector respectively, the three-way pipes, the normally-closed manual valve, the adjusting valve, the speed adjusting valve, the normally-open manual valve and the proportional valve are connected through pipelines, elbows are connected between the normally-open manual valve and the proportional valve and between the proportional valve and the three-way pipe on the right side, and the speed adjusting valve and the speed adjusting valve are connected through pipelines. The connector is used for connecting straight pipes. According to the device for remotely controlling the pressure of the pinch roll, a set of light and practical pressure adjusting device is designed according to the production requirement and the limited field operation space aiming at the problem of misalignment or deviation of belt tail coiling caused by mismatching of the pressure of the pinch roll, and the pressure of the pinch roll can be simply, safely, efficiently and accurately adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of hot-dip galvanizing production lines, and in particular to a remote-controlled pinch roller pressure device. Background Art

[0002] Strip steel is a narrow and long steel plate produced by various steel rolling enterprises to meet the needs of industrialized production of various metal or mechanical products in different industrial sectors. Strip steel, also known as steel strip, is a steel plate with a width of less than 1300mm and a slightly different length depending on the size of each roll. It is a steel plate with a thin thickness, narrow width and very long length. Its width is generally 20mm-200mm. It is supplied in rolls, and its specifications are expressed as thickness × width. According to the quality of steel, it is divided into high-quality and ordinary strip steel; according to the rolling method, it is divided into hot rolling and cold rolling, which are called hot-rolled strip steel and cold-rolled strip steel respectively. The thickness of hot-rolled ordinary strip steel is 2mm-6mm, and the thickness of cold-rolled strip steel is generally 0.05mm-3.60mm. Strip steel can be made of ordinary carbon steel, carbon steel, spring steel, tool steel, stainless steel and other steel types. It is widely used in the manufacture of welded pipes, clamps, washers, spring leaves, saw blades, blades, etc. Strip steel is generally supplied in rolls, with the advantages of high dimensional accuracy, good surface quality, easy processing, and material saving.

[0003] If the end face of the strip steel coil is misaligned or deviated, the product cannot be bundled and packaged, so it is particularly important to coil the end face neatly. At present, the strip steel coiling is completed by EPC device + pinch roller pressure control. When the pinch roller pressure does not match, it will cause the tail of the strip steel to be coiled misaligned or deviated. In order to avoid abnormal pinch roller pressure, it will affect the coiling of the tail of the strip, resulting in the re-coiling of the steel coil, which increases production costs.

[0004] At present, the pressure adjustment of the pinch rollers is carried out manually on-site. The adjustment operation is frequent and the working space is limited, which poses certain safety hazards. Therefore, it is urgent to design a device for remotely operating and controlling the pressure of the pinch rollers to modify the pressure of the pinch rollers at any time to meet production needs and eliminate the problem of winding misalignment or deviation caused by mismatched pinch roller pressures, thereby avoiding the increased production cost of the steel coils requiring secondary winding and eliminating the safety hazards in the manual on-site operation process. Therefore, a remote control pinch roller pressure device is proposed to solve the above-mentioned problems. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a remote-controlled pinch roller pressure device, which has the advantages of simple, safe, efficient and precise adjustment of the pinch roller pressure, etc., and solves the problem of mismatched pinch roller pressure causing the tail of the belt to be coiled on the wrong side or deviation, while avoiding the economic losses caused by secondary coiling due to mismatched steel coils or deviations, thereby eliminating the safety hazards existing in the manual on-site operation process.

[0006] To achieve the above object, the present invention provides the following technical solutions: a remote control pinch roller pressure device, comprising a pressure device for remotely controlling the pinch roller pressure, the pressure device comprising a three-way pipe, a normally closed manual valve, a regulating valve, a speed regulating valve, a normally open manual valve and a proportional valve;

[0007] There are two three-way pipes, and the two three-way pipes are respectively provided with an air inlet interface and an air outlet interface at one end away from each other, and the three-way pipe, the normally closed manual valve, the regulating valve, the speed regulating valve, the normally open manual valve and the proportional valve are all connected through pipelines, wherein the normally open manual valve and the proportional valve, as well as the proportional valve and the right three-way pipe are connected with an elbow for connecting a straight pipe;

[0008] An opening and closing device is arranged between the normally closed manual valve and the normally open manual valve, which is used for opening and closing the normally closed manual valve and the normally open manual valve. The opening and closing device includes a base plate, a first tooth plate and a second tooth plate slidably arranged on the upper surface of the base plate, a transmission gear rotatably installed on the upper surface of the base plate and meshing with the first tooth plate and the second tooth plate, and a connecting buckle fixedly installed on adjacent ends of the first tooth plate and the second tooth plate and respectively connected to the normally closed manual valve and the normally open manual valve. A driving structure for driving the relative displacement of the first tooth plate and the second tooth plate is arranged above the base plate.

[0009] Furthermore, a power plug is installed on the proportional valve, the pressure device is installed next to the pinch roller, and the air inlet interface is connected to the compressed air of the production line, and the air outlet interface is connected to the rodless chamber of the pinch roller cylinder.

[0010] Furthermore, locking holes connected to the normally closed manual valve and the normally open manual valve are provided inside the two connecting buckles, and the first tooth plate and the second tooth plate are relatively displaced by the driving structure to realize the opening and closing of the normally closed manual valve and the normally open manual valve.

[0011] Furthermore, the driving structure includes a driving motor, a crank, a pulley and a connecting rod arranged above the base plate.

[0012] Furthermore, a first connecting shaft fixed to one end of the crank is fixedly mounted on the output shaft of the driving motor, and a second connecting shaft rotatably connected to the pulley is fixedly mounted on the other end of the crank;

[0013] A gantry is installed on the upper surface of the base plate by means of bolts, and a driving motor is installed on the upper surface of the gantry by means of multiple groups of bolts, and a first connecting shaft passes through the interior of the gantry.

[0014] Furthermore, an annular groove connected to the outside and adapted to the pulley is provided inside the connecting rod, the pulley is rollingly connected to the inner wall of the groove, and a connecting ear fixed to the upper surface of the second tooth plate is welded on the opposite side of the outer wall of the connecting rod.

[0015] Furthermore, a limit assembly for guiding the first tooth plate and the second tooth plate is provided on the bottom plate, and the limit assembly consists of a shaft rod and a roller rotatably installed on the bottom end of the shaft rod. The number of the limit assemblies is four, and the four limit assemblies are symmetrically arranged in groups of two, and the top ends of the symmetrically arranged shaft rods are respectively connected and fixed to the lower surfaces of the first tooth plate and the second tooth plate.

[0016] Furthermore, two symmetrically arranged guide grooves are opened inside the bottom plate, and the symmetrically arranged rollers are respectively rollingly connected to the inner walls of the two guide grooves, and the length of the guide grooves is adapted to the moving distance of the first tooth plate and the second tooth plate.

[0017] Furthermore, the opening and closing device also includes a mounting structure arranged on the lower surface of the base plate, and the mounting structure is composed of a vertical plate and an L-shaped frame that are telescopically connected. The bottom end of the vertical plate extends into the L-shaped frame, and the top end of the vertical plate is fixedly installed on the lower surface of the base plate.

[0018] Furthermore, the vertical plate and the L-shaped frame are provided with adjustment holes inside, and adjustment bolts are installed in the adjustment holes.

[0019] Compared with the prior art, the present invention provides a remote-controlled pinch roller pressure device, which has the following beneficial effects:

[0020] 1. This remote control pinch roller pressure device is designed to solve the problem of mismatch of pinch roller pressure affecting the tail winding or deviation. According to production needs and limited on-site operation space, a set of lightweight and practical pressure adjustment device is designed, which can adjust the pinch roller pressure simply, safely, efficiently and accurately.

[0021] By utilizing the swinging coordination of the driving motor, crank, pulley and connecting rod, the first tooth plate and the second tooth plate can move back and forth relative to each other, the normally open manual valve and the normally closed manual valve can be switched on and off, and the pressure of the pinch roller is controlled by the proportional valve and the regulating valve. The switching process is simple and effective, which effectively solves the problem of mismatched pinch roller pressure causing the tail of the belt to be coiled on the wrong side or deviation, and avoids the economic loss caused by secondary coiling due to mismatched steel coil or deviation, thereby eliminating the safety hazards in the manual on-site operation process.

[0022] 2. The remote-controlled pinch roller pressure device can limit the first tooth plate and the second tooth plate through the setting of the guide groove and the roller, so that they can move linearly relative to each other, thereby improving the stability during movement, thereby improving the effect of opening and closing the normally open manual valve and the normally closed manual valve.

[0023] 3. The remote-controlled pinch roller pressure device can install the opening and closing device by adjusting the bolts, vertical plates and L-shaped frames, and can also adjust the height of the opening and closing device so that the two connecting buckles can be better connected with the valve hands in the normally open manual valve and the normally closed manual valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a remote-controlled pinch roller pressure device of the present invention;

[0025] Figure 2 It is a partial structural schematic diagram of a remote control pinch roller pressure device of the present invention;

[0026] Figure 3 A structural stereogram of an opening and closing device of a remotely controlled pinch roller pressure device of the present invention;

[0027] Figure 4 It is a structural schematic diagram of a crank of a remote-controlled pinch roller pressure device of the present invention;

[0028] Figure 5 It is a structural schematic diagram of a connecting rod of a remote-controlled pinch roller pressure device of the present invention;

[0029] Figure 6 A remote control pinch roller pressure device of the present invention Figure 3 A is a schematic diagram of the enlarged structure shown.

[0030] In the figure: 1. three-way pipe; 2. normally closed manual valve; 3. regulating valve; 4. speed regulating valve; 5. normally open manual valve; 6. proportional valve; 7. power plug; 8. elbow; 9. air inlet interface; 10. air outlet interface; 11. opening and closing device; 12. bottom plate; 13. transmission gear; 14. first tooth plate; 15. second tooth plate; 16. connecting buckle; 17. locking hole; 18. gantry; 19. driving motor; 20. crank; 21. pulley; 22. connecting rod; 23. first connecting shaft; 24. second connecting shaft; 25. slide groove; 26. connecting ear; 27. guide groove; 28. shaft rod; 29. ​​roller; 30. vertical plate; 31. L-shaped frame; 32. adjusting bolt. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figures 1 to 6A remote-controlled pinch roller pressure device comprises a pressure device for remotely controlling the pinch roller pressure, the pressure device comprising a three-way pipe 1, a normally closed manual valve 2, a regulating valve 3, a speed regulating valve 4, a normally open manual valve 5 and a proportional valve 6; there are two three-way pipes 1, and the two three-way pipes 1 are respectively provided with an air inlet interface 9 and an air outlet interface 10 at one end thereof, and the three-way pipe 1, the normally closed manual valve 2, the regulating valve 3, the speed regulating valve 4, the normally open manual valve 5 and the proportional valve 6 are all connected through pipelines, wherein an elbow 8 is connected between the normally open manual valve 5 and the proportional valve 6 and the proportional valve 6 and the right three-way pipe 1 for connecting a straight pipe; wherein a power plug 7 is installed on the proportional valve 6, the pressure device is installed next to the pinch roller, and the air inlet interface 9 is connected to the compressed air of the production line, and the air outlet interface 10 is connected to the rodless chamber of the pinch roller cylinder.

[0033] In order to be able to open and close the normally closed manual valve 2 and the normally open manual valve 5 in time, in the present embodiment, an opening and closing device 11 is arranged between the normally closed manual valve 2 and the normally open manual valve 5, which is used to open and close the normally closed manual valve 2 and the normally open manual valve 5, and the opening and closing device 11 includes a base plate 12, a first tooth plate 14 and a second tooth plate 15 slidingly arranged on the upper surface of the base plate 12, a transmission gear 13 rotatably mounted on the upper surface of the base plate 12 and meshing with the first tooth plate 14 and the second tooth plate 15, and a connecting buckle 16 fixedly mounted on the adjacent ends of the first tooth plate 14 and the second tooth plate 15 and connected to the normally closed manual valve 2 and the normally open manual valve 5 respectively, and a driving structure for driving the first tooth plate 14 and the second tooth plate 15 to move relative to each other is arranged above the base plate 12.

[0034] The two connecting buckles 16 are provided with locking holes 17 connected to the valve hands of the normally closed manual valve 2 and the normally open manual valve 5. The first tooth plate 14 and the second tooth plate 15 are relatively displaced by the driving structure to realize the opening and closing of the normally closed manual valve 2 and the normally open manual valve 5.

[0035] Specifically, the driving structure includes a driving motor 19, a crank 20, a pulley 21 and a connecting rod 22 arranged above the base plate 12. A first connecting shaft 23 fixed to one end of the crank 20 is fixedly mounted on the output shaft of the driving motor 19, and a second connecting shaft 24 rotatably connected to the pulley 21 is fixedly mounted on the other end of the crank 20; wherein, a gantry 18 is mounted on the upper surface of the base plate 12 by bolts, and the driving motor 19 is mounted on the upper surface of the gantry 18 by multiple sets of bolts, and the first connecting shaft 23 runs through the inside of the gantry 18. The driving motor 19 is fixedly mounted in the middle of the upper surface of the gantry 18. The first connecting shaft 23 is connected to the bearing of the gantry 18.

[0036] In this embodiment, an annular groove 25 is provided inside the connecting rod 22, which is connected to the outside and matched with the pulley 21. The pulley 21 is rollingly connected to the inner wall of the groove 25. A connecting ear 26 fixed to the upper surface of the second tooth plate 15 is welded on the opposite side of the outer wall of the connecting rod 22. The connecting ear 26 is connected and fixed to the upper surface of the second tooth plate 15 by bolts.

[0037] When this embodiment is in use, the second tooth plate 15 is moved by the swinging cooperation of the driving motor 19, the crank 20, the pulley 21 and the connecting rod 22, and the second tooth plate 15 moves to engage with the transmission gear 13 to drive the first tooth plate 14, so that the first tooth plate 14 and the second tooth plate 15 move relative to each other, the normally open manual valve 5 can be closed, and the normally closed manual valve 2 can be opened, and the regulating valve 3 is switched to control the pressure of the pinch roller, and the switching process is simple.

[0038] In order to ensure the stable movement of the first tooth plate 14 and the second tooth plate 15, in this embodiment, a limiting assembly for guiding the first tooth plate 14 and the second tooth plate 15 is provided on the bottom plate 12. The limiting assembly is composed of a shaft 28 and a roller 29 rotatably mounted on the bottom end of the shaft 28. There are four limiting assemblies, and the four limiting assemblies are symmetrically arranged in groups of two. The top ends of the symmetrically arranged shafts 28 are respectively connected and fixed to the lower surfaces of the first tooth plate 14 and the second tooth plate 15. Two symmetrically arranged guide grooves 27 are provided inside the bottom plate 12, and the symmetrically arranged rollers 29 are respectively connected and rolled with the inner walls of the two guide grooves 27. Through the arrangement of the guide grooves and the rollers, the first tooth plate and the second tooth plate can be limited so that they can linearly reciprocate relative to each other, thereby improving the stability during movement. The length of the guide groove 27 is adapted to the moving distance of the first tooth plate 14 and the second tooth plate 15.

[0039] In order to facilitate the installation of the opening and closing device 11, in this embodiment, the opening and closing device 11 also includes a mounting structure arranged on the lower surface of the bottom plate 12, and the mounting structure is composed of a vertical plate 30 and an L-shaped frame 31 that are telescopically connected. The bottom end of the vertical plate 30 extends into the L-shaped frame 31, and the top end of the vertical plate 30 is fixedly installed on the lower surface of the bottom plate 12. Adjustment holes are provided inside the vertical plate 30 and the L-shaped frame 31, and adjustment bolts 32 are installed in the adjustment holes. The L-shaped frame 31 has a mounting hole inside.

[0040] The working principle of the above embodiment is:

[0041] When in use, the pressure device is installed next to the pinch roller, the air inlet interface 9 is connected to the compressed air of the production line, the air outlet interface 10 is connected to the rodless chamber of the pinch roller cylinder, the proportional valve 6 is powered on, and then the computer can be remotely operated through a pre-written program to control the pinch roller pressure. The operation process is safe and fast. When the proportional valve 6 is damaged or the power supply of the proportional valve 6 is abnormal, the second tooth plate 15 is moved by the swing cooperation of the drive motor 19, the crank 20, the pulley 21 and the connecting rod 22. The second tooth plate 15 moves and engages with the transmission gear 13 to drive the first tooth plate 14, so that the first tooth plate 14 and the second tooth plate 15 move relative to each other, the normally open manual valve 5 can be closed, and the normally closed manual valve 2 can be opened, and the regulating valve 3 can be switched to control the pinch roller pressure. The switching process is simple.

[0042] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A remote control pinch roller pressure device, Features: It comprises a pressure device for remotely controlling the pressure of the pinch roller, the pressure device comprising a three-way pipe (1), a normally closed manual valve (2), a regulating valve (3), a speed regulating valve (4), a normally open manual valve (5) and a proportional valve (6); The number of the three-way pipes (1) is two, and the two three-way pipes (1) are respectively provided with an air inlet interface (9) and an air outlet interface (10) at one end away from each other, and the three-way pipe (1), the normally closed manual valve (2), the regulating valve (3), the speed regulating valve (4), the normally open manual valve (5) and the proportional valve (6) are all connected through pipelines, wherein the normally open manual valve (5) and the proportional valve (6) as well as the proportional valve (6) and the right three-way pipe (1) are connected with an elbow (8) for connecting a straight pipe; An opening and closing device (11) is provided between the normally closed manual valve (2) and the normally open manual valve (5) for opening and closing the normally closed manual valve (2) and the normally open manual valve (5). The opening and closing device (11) comprises a base plate (12), a first tooth plate (14) and a second tooth plate (15) slidably arranged on the upper surface of the base plate (12), a transmission gear (13) rotatably mounted on the upper surface of the base plate (12) and meshing with the first tooth plate (14) and the second tooth plate (15), and a connecting buckle (16) fixedly mounted on the first tooth plate (14) and the second tooth plate (15) at one end separated from each other and respectively connected to the normally closed manual valve (2) and the normally open manual valve (5). A driving structure for driving the first tooth plate (14) and the second tooth plate (15) to move relative to each other is provided above the base plate (12).

2. A remote controlled pinch roller pressure device according to claim 1, Features: The proportional valve (6) is equipped with a power plug (7), the pressure device is installed beside the pinch roller, and the air inlet interface (9) is connected to the compressed air of the production line, and the air outlet interface (10) is connected to the rodless chamber of the pinch roller cylinder.

3. A remote controlled pinch roller pressure device according to claim 1, Features: The two connecting buckles (16) are provided with locking holes (17) connected to the valve hands of the normally closed manual valve (2) and the normally open manual valve (5). The first tooth plate (14) and the second tooth plate (15) are relatively displaced by the driving structure to realize the opening and closing of the normally closed manual valve (2) and the normally open manual valve (5).

4. A remote controlled pinch roller pressure device according to claim 1, Features: The driving structure comprises a driving motor (19) arranged above the base plate (12), a crank (20), a pulley (21) and a connecting rod (22).

5. A remote controlled pinch roller pressure device according to claim 4, Features: A first connecting shaft (23) fixed to one end of the crank (20) is fixedly mounted on the output shaft of the driving motor (19), and a second connecting shaft (24) rotatably connected to the pulley (21) is fixedly mounted on the other end of the crank (20); The upper surface of the base plate (12) is mounted with a gantry (18) by means of bolts, and the drive motor (19) is mounted on the upper surface of the gantry (18) by means of multiple sets of bolts, and the first connecting shaft (23) passes through the interior of the gantry (18).

6. A remote controlled pinch roller pressure device according to claim 5, Features: The connecting rod (22) has an annular sliding groove (25) inside that is connected to the outside and matched with the pulley (21); the pulley (21) is rollingly connected to the inner wall of the sliding groove (25); and a connecting ear (26) fixed to the upper surface of the second tooth plate (15) is welded on the opposite side of the outer wall of the connecting rod (22).

7. A remote controlled pinch roller pressure device according to claim 1, Features: The bottom plate (12) is provided with a limit assembly for guiding the first tooth plate (14) and the second tooth plate (15), and the limit assembly is composed of a shaft rod (28) and a roller (29) rotatably mounted on the bottom end of the shaft rod (28). There are four limit assemblies, and the four limit assemblies are symmetrically arranged in groups of two. The top ends of the symmetrically arranged shaft rods (28) are respectively connected and fixed to the lower surfaces of the first tooth plate (14) and the second tooth plate (15).

8. A remote controlled pinch roller pressure device according to claim 7, Features: Two symmetrically arranged guide grooves (27) are provided inside the bottom plate (12), and symmetrically arranged rollers (29) are respectively rollingly connected to the inner walls of the two guide grooves (27), and the length of the guide grooves (27) is adapted to the moving distance of the first tooth plate (14) and the second tooth plate (15).

9. A remote controlled pinch roller pressure device according to claim 1, Features: The opening and closing device (11) further comprises a mounting structure arranged on the lower surface of the base plate (12), the mounting structure comprising a vertical plate (30) and an L-shaped frame (31) which are telescopically connected, the bottom end of the vertical plate (30) extending into the L-shaped frame (31), and the top end of the vertical plate (30) fixedly mounted on the lower surface of the base plate (12).

10. A remote controlled pinch roller pressure device according to claim 9, Features: The vertical plate (30) and the L-shaped frame (31) are both provided with adjustment holes inside, and adjustment bolts (32) are installed in the adjustment holes.

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