Special device for preventing false alarm of dry net deviation probe

Abstract

The utility model discloses a special device for preventing false alarm of a dry net deviation probe, and relates to the technical field of papermaking auxiliary equipment. The four supporting rods are arranged in a matrix mode, and the probe is fixed to the two supporting rods on one side through the supporting frame. The protective cover is arranged on the upper side of the probe, threaded rods are screwed and inserted into the four corners of the middle side of the protective cover through threads, the lower ends of the threaded rods are fixed to the top ends of the supporting rods, and the upper ends of the threaded rods are exposed on the upper side of the protective cover; the mounting plates are arranged on the upper side of the protective cover in a bilateral symmetry mode and connected with the protective cover through mounting mechanisms. The baffles are embedded in the mounting plates in a front-back symmetry mode in pairs, and the lower side walls of the two baffles in the same mounting plate are connected with the inner walls of the mounting plates through adjusting mechanisms. The paper strip can be limited and is prevented from being brought to the position of the first-floor deviation detection probe by the drying cylinder in the paper guiding process, so that the position detection error of the dry net is avoided, and the abnormal deviation of the dry net is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking auxiliary equipment, in particular to a special device for preventing a dryer fabric deviation probe from causing a false alarm. Background Art

[0002] The dryer fabric position calibration device uses infrared reflection to determine the distance between the dryer fabric and the limiter, and then transmits this data to the calibration device, thereby ensuring stable operation at high speeds without deviation. However, during the threading process, the paper strip can be carried by the dryer cylinder to the position of the deviation detection probe on the first floor, resulting in errors in dryer fabric position detection and abnormal dryer fabric deviation. Utility Model Content

[0003] The purpose of this utility model is to provide a special device for preventing the dryer web from deviating and causing false alarms by the probe, which is rationally designed and easy to use, and can effectively solve the defects of the prior art.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: it comprises support rods, wherein four support rods are arranged in a matrix, and the probe is fixed to two support rods on one side through a support frame; it also comprises:

[0005] The protective cover is arranged on the upper side of the probe, and the four corners of the middle side of the protective cover are all provided with threaded rods through threaded screw connection, the lower end of the threaded rod is fixed on the top of the support rod, and the upper end of the threaded rod is exposed on the upper side of the protective cover;

[0006] There are two mounting plates, which are symmetrically arranged on the upper side of the protective cover and connected to the protective cover through a mounting mechanism;

[0007] Baffles, there are four baffles, and two of them are symmetrically embedded in the mounting plate, and the lower side walls of the two baffles in the same mounting plate are connected to the inner wall of the mounting plate through an adjustment mechanism;

[0008] Through the above technical solution, the protective cover and the probe are arranged on the lower side of the contact wheel of the dryer net and the paper strip, the mounting plate is fixed to the protective cover by the mounting mechanism, and the height of the baffle is adjusted by the adjustment mechanism so that the upper side wall of the baffle is in contact with the lower side of the contact wheel of the paper strip, thereby limiting the paper strip by the baffle to prevent the dryer net from being offset during the movement of the paper strip.

[0009] As a further improvement of the present invention, the mounting mechanism includes:

[0010] Mounting tubes, there are two mounting tubes, and the front and rear mounting tubes are symmetrically screwed into the mounting plate through bearings. The mounting tubes are screwed onto the top of the threaded rod through threads, and the front and rear mounting tubes are connected by a synchronous wheel transmission assembly;

[0011] The mounting motor is embedded and fixed in one side of the mounting plate, and a driving gear is sleeved and fixed on the output shaft of the mounting motor, and the driving gear is meshed with a tooth groove on the outer ring wall of the mounting tube on one side;

[0012] Through the above technical solution, during installation, the installation motor is started, and the installation motor drives the driving gear to rotate, and the driving gear drives the installation tube meshing with it to rotate, and the installation tube synchronous wheel transmission assembly drives the other installation tube to rotate, and the two installation tubes are screwed and fixed on the top of the corresponding threaded rod until the installation plate is fixed on the upper side of the protective cover.

[0013] As a further improvement of the present invention, the upper end of the threaded rod is screwed with a positioning nut through a thread, and the positioning nut is embedded in the embedding groove on the lower surface of the mounting plate;

[0014] Through the above technical solution, the protective cover can be further limited.

[0015] As a further improvement of the present invention, the adjustment mechanism includes:

[0016] There are four adjusting screws, and two of them are symmetrically connected to each other on the front and back sides of the mounting plate through bearings, and the four adjusting screws are connected by a synchronous wheel transmission assembly;

[0017] An adjusting motor, wherein the adjusting motor is embedded in and fixed to one side of the interior of the mounting plate and connected to the lower end of one of the adjusting screws;

[0018] There are four adjustment blocks, which are respectively arranged on the lower side of the two side walls of the baffle. The adjustment blocks are slidably arranged in the slide grooves on both sides of the mounting plate, and the adjustment blocks are screwed onto the corresponding adjustment screws through threads;

[0019] There are four movable blocks, and they are arranged in a one-to-one correspondence in the adjustment block. A resistance spring is embedded and fixed in the lower side wall of the movable block, and the resistance spring is fixed on the inner bottom wall of the adjustment block;

[0020] Through the above technical solution, when adjusting, the adjusting motor is started, and the adjusting motor drives the adjusting screw connected to it to rotate, and the adjusting screw drives the other three adjusting screws to rotate through the synchronous wheel transmission assembly. During the rotation, the adjusting screw drives the adjusting block to move up and down, and the adjusting block drives the mounting plate to move up and down through the movable block until the mounting plate conflicts with the interference wheel of the paper strip, and at this time the interference spring is compressed, thereby facilitating the limiting of the paper strip.

[0021] As a further improvement of the present invention, a soft contact pad is fixed on the upper surface of the baffle, which can prevent the baffle from causing wear on the contact wheel of the paper strip.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: the special device for preventing the dryer mesh deviation probe from false alarming described in the present invention can limit the paper strip to prevent the paper strip from being brought to the first-floor deviation detection probe position by the drying cylinder during the paper feeding process, thereby preventing the dryer mesh position detection error from occurring and avoiding abnormal dryer mesh deviation. The present invention has the advantages of reasonable setting and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of the present utility model.

[0024] Figure 2 It is an exploded view of the mounting plate, mounting mechanism and adjustment mechanism in the present invention.

[0025] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0026] Figure 4 for Figure 2 Enlarged view of part B in the middle.

[0027] Description of reference numerals:

[0028] Support rod 1, probe 2, protective cover 3, threaded rod 4, mounting plate 5, mounting mechanism 6, mounting tube 6-1, mounting motor 6-2, driving gear 6-3, baffle 7, adjustment mechanism 8, adjusting screw 8-1, adjusting motor 8-2, adjusting block 8-3, movable block 8-4, resistance spring 8-5, positioning nut 9, resistance pad 10. DETAILED DESCRIPTION

[0029] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0030] Example 1:

[0031] like Figures 1-4 As shown, this embodiment includes support rods 1, four support rods 1 are arranged in a matrix, and the probe 2 is fixed to the two support rods 1 on the right side through a support frame; it also includes:

[0032] Protective cover 3, the protective cover 3 is arranged on the upper side of the probe 2, and the four corners of the middle side of the protective cover 3 are all screwed with threaded rods 4, the lower ends of the threaded rods 4 are welded and fixed to the top of the support rod 1, and the upper ends of the threaded rods 4 are exposed on the upper side of the protective cover 3; the upper ends of the threaded rods 4 are screwed with positioning nuts 9, which are embedded in the embedded grooves on the lower surface of the mounting plate 5, which can further limit the position of the protective cover 3;

[0033] Mounting plates 5, there are two mounting plates 5, and they are symmetrically arranged on the upper side of the protective cover 3, and the mounting plates 5 are connected to the protective cover 3 through the mounting mechanism 6;

[0034] The baffles 7 are four in number and are symmetrically embedded in the mounting plate 5 in pairs. The lower side walls of the two baffles 7 in the same mounting plate 5 are connected to the inner wall of the mounting plate 5 through an adjustment mechanism 8. A resistance pad 10 is adhered and fixed to the upper surface of the baffle 7; this can prevent the baffle 7 from causing wear on the resistance wheel of the paper strip.

[0035] Example 2:

[0036] See Figure 2 、 Figure 3 As shown, based on Example 1, the mounting mechanism 6 includes:

[0037] Mounting tubes 6-1, there are two mounting tubes 6-1, and the front and rear of the mounting tubes 6-1 are symmetrically screwed into the mounting plate 5 through bearings. The mounting tubes 6-1 are screwed onto the top of the threaded rod 4 through threads, and the front and rear mounting tubes 6-1 are connected by a synchronous wheel transmission assembly;

[0038] The mounting motor 6-2 is embedded and fixed in the left rear side of the mounting plate 5. A driving gear 6-3 is sleeved and fixed on the output shaft of the mounting motor 6-2. The driving gear 6-3 is meshed with the tooth groove on the outer ring wall of the rear mounting tube 6-1.

[0039] Example 3:

[0040] See Figure 2 、 Figure 4 As shown, based on Example 1, the adjustment mechanism 8 includes:

[0041] There are four adjusting screws 8-1, and two of them are symmetrically connected to each other on the front and back sides of the mounting plate 5 through bearings. The four adjusting screws 8-1 are connected by a synchronous wheel transmission assembly;

[0042] The adjusting motor 8-2 is embedded and fixed on the left front side of the mounting plate 5, and the adjusting motor 8-2 is connected to the lower end of the adjusting screw 8-1 on the left front side;

[0043] Adjustment blocks 8-3, there are four adjustment blocks 8-3, and are respectively arranged on the lower side of the two side walls of the baffle 7. The adjustment blocks 8-3 are slidably arranged in the slide grooves on both sides of the mounting plate 5. The adjustment blocks 8-3 are screwed onto the corresponding adjustment screws 8-1 through threads;

[0044] The movable blocks 8-4 are four in number and are arranged one-to-one in the adjusting block 8-3. A resistance spring 8-5 is embedded in and welded to the lower side wall of the movable block 8-4, and the resistance spring 8-5 is welded to the inner bottom wall of the adjusting block 8-3.

[0045] When using the present invention, the protective cover 3 and the probe 2 are arranged on the lower side of the friction wheel of the dryer net and the paper strip, and the mounting motor 6-2 is started, and the mounting motor 6-2 drives the driving gear 6-3 to rotate, and the driving gear 6-3 drives the mounting tube 6-1 meshed with it to rotate, and the mounting tube 6-1 synchronous wheel transmission assembly drives another mounting tube 6-1 to rotate, and the two mounting tubes 6-1 are screwed and fixed on the top of the corresponding threaded rod 4 until the mounting plate 5 is fixed on the upper side of the protective cover 3, and then the adjustment motor 8-2 is started, The adjusting motor 8-2 drives the adjusting screw 8-1 connected to it to rotate, and the adjusting screw 8-1 drives the other three adjusting screws 8-1 to rotate through the synchronous wheel transmission assembly. During the rotation, the adjusting screw 8-1 drives the adjusting block 8-3 to move up and down, and the adjusting block 8-3 drives the mounting plate 5 to move up and down through the movable block 8-4 until the mounting plate 5 conflicts with the interference wheel of the paper strip, and at this time the interference spring 8-5 is compressed, thereby facilitating the limiting of the paper strip and preventing the paper strip from causing the deviation of the dryer net during the movement.

[0046] Compared with the prior art, the beneficial effects of this specific embodiment are as follows:

[0047] 1. The baffle 7 can be used to limit the position of the paper strip to prevent the paper strip from being carried by the drying cylinder to the position of the deviation detection probe on the first floor during the paper threading process, thereby avoiding the dryer fabric position detection error and avoiding abnormal dryer fabric deviation;

[0048] 2. The height of the baffle 7 can be adjusted by the adjustment mechanism 8. After adjustment, the baffle 7 can be pushed by the resistance spring 8-5 to ensure that the baffle 7 contacts the resistance wheel of the paper strip, thereby improving the limiting effect;

[0049] 3. The mounting plate 5 outside the baffle 7 can be installed through the mounting mechanism 6, and is easy to install and disassemble, and is convenient for operation and maintenance.

[0050] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A special device for preventing a dryer web from deviating and causing a false alarm from a probe, comprising support rods (1), four support rods (1) arranged in a matrix, and probes (2) fixed to two support rods (1) on one side via a support frame; characterized in that: It also contains: A protective cover (3), wherein the protective cover (3) is arranged on the upper side of the probe (2), and threaded rods (4) are provided at the four corners of the middle side of the protective cover (3) through screw thread connection, the lower end of the threaded rod (4) is fixed to the top end of the support rod (1), and the upper end of the threaded rod (4) is exposed on the upper side of the protective cover (3); Mounting plates (5), there are two mounting plates (5), which are symmetrically arranged on the upper side of the protective cover (3), and the mounting plates (5) are connected to the protective cover (3) through a mounting mechanism (6); Baffles (7), there are four baffles (7), and two of them are symmetrically embedded in the mounting plate (5) in the front and back directions. The lower side walls of the two baffles (7) in the same mounting plate (5) are connected to the inner wall of the mounting plate (5) through an adjustment mechanism (8).

2. The device for preventing dryer fabric deviation from false alarms according to claim 1, characterized in that: The mounting mechanism (6) comprises: Mounting tubes (6-1), there are two mounting tubes (6-1), and the front and rear mounting tubes are symmetrically screwed into the mounting plate (5) through bearings. The mounting tubes (6-1) are screwed onto the top of the threaded rod (4) through threads, and the front and rear mounting tubes (6-1) are connected through a synchronous wheel transmission assembly. The mounting motor (6-2) is embedded in and fixed on one side of the mounting plate (5); a driving gear (6-3) is sleeved and fixed on the output shaft of the mounting motor (6-2); and the driving gear (6-3) is meshed with a tooth groove on the outer ring wall of the mounting tube (6-1) on one side.

3. The device for preventing dryer fabric deviation from false alarms according to claim 1, characterized in that: The upper end of the threaded rod (4) is screwed with a positioning nut (9) through a thread, and the positioning nut (9) is embedded in an embedding groove on the lower surface of the mounting plate (5).

4. The device for preventing dryer fabric deviation from false alarms according to claim 1, characterized in that: The regulating mechanism (8) comprises: There are four adjusting screws (8-1), and two of the adjusting screws (8-1) are symmetrically arranged on the front and rear sides of the interior of the mounting plate (5) through bearing rotation. The four adjusting screws (8-1) are connected through a synchronous wheel transmission assembly. An adjusting motor (8-2), the adjusting motor (8-2) being embedded and fixed on one side of the interior of the mounting plate (5), and the adjusting motor (8-2) being connected to the lower end of one of the adjusting screws (8-1); Adjustment blocks (8-3), there are four adjustment blocks (8-3), which are respectively arranged on the lower sides of the two side walls of the baffle (7), the adjustment blocks (8-3) are slidably arranged in the slide grooves on both sides of the mounting plate (5), and the adjustment blocks (8-3) are screwed onto the corresponding adjustment screws (8-1) through threads; The movable blocks (8-4) are four in number and are arranged in a one-to-one correspondence in the adjusting block (8-3). A resisting spring (8-5) is embedded and fixed in the lower side wall of the movable block (8-4), and the resisting spring (8-5) is fixed on the inner bottom wall of the adjusting block (8-3).

5. The special device for preventing dryer fabric deviation from false alarming by a probe according to claim 1, characterized in that: A resisting cushion (10) is fixed on the upper surface of the baffle (7).

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