Papermaking polyester screen tension detection device

Abstract

The invention relates to the technical field of papermaking, and discloses a papermaking polyester screen tension detection device which comprises a tensiometer body, clamping assemblies arranged on the two sides of the lower portion of the tensiometer body respectively and used for preventing the screen from deviating, and fixing frames arranged on the outer sides of the clamping assemblies. The displacement mechanism comprises a longitudinal shaft assembly used for controlling the tensiometer body to move longitudinally. Through cooperation of all parts in the displacement mechanism, longitudinal, transverse and tension adjustment can be performed on the tensiometer body by rotating the first hand wheel, the second hand wheel and the third hand wheel, and the positions of the three hand wheels are always kept unchanged, so that the tension of the tensiometer body can be adjusted without large-range movement of an operator. The detection comprehensiveness and accuracy of the screen are improved, and meanwhile, the effect of meeting the tension detection requirements of the screen under different production requirements is achieved; the vertical movement of the tensiometer body can be accurately controlled through the telescopic mechanism, and the tensiometer body is automatically locked when the tensiometer body reaches a suitable detection height.

Description

Technical Field

[0001] The invention relates to the technical field of papermaking, and in particular to a tension detection device for a papermaking polyester screen. Background Art

[0002] As a tension detection device for polyester screens in papermaking, the tension meter plays an important role in papermaking production. Polyester screens are used to filter pulp during the papermaking process. Screens with uniform tension can evenly distribute the pulp, thereby ensuring consistent thickness of paper produced. The tension meter can monitor the screen tension in real time, detect tension anomalies in time and make adjustments to avoid paper being too thick or too thin in some areas due to uneven screen tension, thereby improving the flatness and uniformity of the paper.

[0003] When some tension meters in the prior art are used, they are usually controlled to move to a suitable position by a handheld or planar mobile platform. When using a planar mobile platform, the operator is usually required to control the driving shaft that follows the horizontal or vertical axis of the platform to move over a large range, which may consume a lot of time and energy, thereby reducing the efficiency and accuracy of screen detection. In addition, there is the problem of difficulty in adjusting the tension of the screen in real time during the detection process. If it is difficult to actively adjust the tension of the screen, it may be impossible to fully understand the performance of the screen under different tension states, resulting in a lack of comprehensiveness in the detection results. Summary of the invention

[0004] In view of the above problems existing in the existing papermaking polyester screen tension detection device, the present invention is proposed.

[0005] Therefore, the object of the present invention is to provide a papermaking polyester screen tension detection device.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising: The detection mechanism comprises a tensiometer body, clamping assemblies respectively arranged at two sides below the tensiometer body and used to fix the screen position, and a fixing frame arranged outside the clamping assemblies; A displacement mechanism, including a longitudinal axis assembly for controlling the longitudinal movement of the tensiometer body, which is disposed on the inner wall of the fixing frame; The longitudinal axis assembly includes a first screw fixedly mounted on the inner wall of the fixing frame through a bearing, a first internal thread block threadedly connected to the surface of the first screw, a bearing rod fixedly sleeved on the surface of the first internal thread block, a first limiting column fixedly connected to the inner wall of the fixing frame, and a first hand wheel fixedly mounted on the through end of the first screw; A transverse axis assembly for controlling the lateral movement of the tensiometer body; and a stretching assembly for changing the tension of the screen mesh by using the two sets of the clamping assemblies; and a telescopic mechanism for controlling the tensiometer body to move closer to or away from the screen.

[0007] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, the clamping assembly includes mounting frames respectively arranged on the inner walls on both sides of the fixed frame, pull rods respectively slidably connected to the inner surfaces on both sides of the mounting frame, a movable plate fixedly connected to the outer end surface of the pull rod, a fixed plate fixedly installed on the outer surface of the mounting frame and used to clamp the screen with the movable plate, a first spring sleeved on the outside of the pull rod, and a connecting rod fixedly connected to the other end of the pull rod.

[0008] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, the horizontal axis assembly includes a spline shaft fixedly installed on the inner wall of the fixed frame through a bearing, a spline sleeve slidably connected to the outer surface of the spline shaft, a first helical gear fixedly sleeved on the outer surface of the spline sleeve, a second helical gear meshed with the outside of the first helical gear, a second screw rod fixedly connected to the inner surface of the second helical gear, a second internal thread block threadedly connected to the outer surface of the second screw rod, a limit rod fixedly connected to the bottom of the load-bearing rod and used in conjunction with the second internal thread block, and a second hand wheel fixedly installed on the through end of the spline shaft.

[0009] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, the stretching assembly includes a bidirectional screw fixedly installed on the inner wall of the fixed frame through a bearing, a third internal thread block respectively threadedly connected to the two side surfaces of the bidirectional screw and used in conjunction with the mounting frame, a second limiting column fixedly connected to the inner wall of the fixed frame and used in conjunction with the third internal thread block, and a third hand wheel fixedly installed on the through end of the bidirectional screw.

[0010] As a preferred solution of the papermaking polyester screen tension detection device of the present invention, wherein: the telescopic mechanism includes a driving assembly for providing power for the vertical movement of the tensiometer body, which is arranged on the outer side of the limit rod; A vertical axis component used to cooperate with the driving component to drive the tensiometer body to move vertically, and is arranged on the surface of the driving component; And a locking assembly for controlling the tensiometer body to stop at a suitable detection height, which is arranged on the outside of the driving assembly.

[0011] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, the driving assembly includes a fixed column fixedly connected to the bottom of the limit rod, a fixed box fixedly installed at the other end of the fixed column, a guide rail fixedly connected to the top of the fixed box, pressure blocks slidably connected to the two side surfaces of the guide rail, a driving column fixedly connected to the outer surface of the pressure block, an L-shaped rod movably connected to the outer surface of the driving column, a support shaft fixedly connected to the inner surface of the guide rail and used to support the L-shaped rod, and a through groove opened at the top of the fixed column and used in conjunction with the L-shaped rod.

[0012] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, the vertical axis assembly includes a transmission column movably connected to the inner surface of one end of the L-shaped rod away from the driving column, a connecting plate fixedly connected to the outer end surface of the transmission column, a transmission rod fixedly installed at the bottom of the connecting plate and used to support the tension meter body, and a second spring sleeved on the outside of the transmission rod.

[0013] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, the locking assembly includes a fixed block fixedly connected to the top of the fixed column, a pawl hinged to the outer surface of the fixed block, a ratchet engaged with the outer end surface of the pawl and used in conjunction with the support shaft, and a third spring fixedly installed on the outer surface of the fixed block and used in conjunction with the pawl.

[0014] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, wherein: the outer end surface of the first spring is fixedly connected to the outer surface of the mounting frame, the other end of the first spring is fixedly connected to the outer surface of the connecting rod, the inner surface of the load-bearing rod is in sliding contact with the outer surface of the first limiting column, a bearing sleeve that cooperates with rotation is installed at the connection between the first screw rod and the fixed frame, the inner surface of the mounting frame is fixedly connected to the outer surface of the third internal thread block, the inner surface of the other end of the mounting frame is in sliding contact with the outer surface of the second limiting column, and a bearing sleeve that cooperates with rotation is installed at the connection between the spline sleeve and the load-bearing rod.

[0015] As a preferred solution of the papermaking polyester screen tension detection device described in the present invention, wherein: the inner surface of the L-shaped rod is in rotational contact with the outer surface of the support shaft, the outer surface of the L-shaped rod is in sliding contact with the inner wall of the through groove, the outer end surface of the second spring is fixedly connected to the bottom of the fixed column, the outer surface of the transmission rod is in sliding contact with the inner surface of the fixed column, the other end of the second spring is fixedly connected to the outer surface of the transmission rod, the ratchet is fixedly sleeved on the outer end surface of the support shaft, and the third spring and the pawl are against each other.

[0016] The beneficial effects of the present invention are as follows: through the cooperation of the components in the displacement mechanism, the tension meter body can be adjusted longitudinally, transversely and in tension by rotating the first hand wheel, the second hand wheel and the third hand wheel, and the positions of the three hand wheels always remain unchanged, so as to achieve the effect of improving the comprehensiveness and accuracy of screen detection without the need for the operator to move over a large range, while meeting the requirements for screen tension detection under different production needs; the vertical movement of the tension meter body can be accurately controlled by the telescopic mechanism, and it can be automatically locked when it reaches a suitable detection height, so as to avoid the operator's hand shaking from affecting the detection result, while improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them: Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure of the local area in the middle.

[0019] Figure 3 For the present invention Figure 1 Schematic diagram of the enlarged structure of the local area B in the middle.

[0020] Figure 4 It is a structural schematic diagram of a part of the installation frame in the present invention.

[0021] Figure 5 It is a structural schematic diagram of the limiting rod in the present invention from another perspective.

[0022] Figure 6 It is a schematic diagram of the overall structure of the telescopic mechanism in the present invention.

[0023] Figure 7 It is a structural schematic diagram of the telescopic mechanism of the present invention from another perspective.

[0024] Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of the local area C in the middle.

[0025] In the figure: 100, detection mechanism; 110, tension meter body; 120, clamping assembly; 121, mounting frame; 122, pull rod; 123, movable plate; 124, fixed plate; 125, first spring; 126, connecting rod; 130, fixed frame; 200, displacement mechanism; 210, longitudinal axis assembly; 211, first screw rod; 212, first internal thread block; 213, bearing rod; 214, first limiting column; 215, first hand wheel; 220, transverse axis assembly; 221, spline shaft; 222, spline shaft sleeve; 223, first helical gear; 224, second helical gear; 225, second screw rod; 226, second internal thread block ; 227, limit rod; 228, second hand wheel; 230, stretching assembly; 231, bidirectional screw rod; 232, third internal thread block; 233, second limit column; 300, telescopic mechanism; 310, driving assembly; 311, fixed column; 312, fixed box; 313, guide rail; 314, pressure block; 315, driving column; 316, L-shaped rod; 317, supporting shaft; 318, through groove; 320, vertical axis assembly; 321, transmission column; 322, connecting plate; 323, transmission rod; 324, second spring; 330, locking assembly; 331, fixed block; 332, pawl; 333, ratchet; 334, third spring. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0030] Example 1 Reference Figure 1 to Figure 6, which is the first embodiment of the present invention, provides a papermaking polyester screen tension detection device, the device comprising: The detection mechanism 100 includes a tensiometer body 110, clamping assemblies 120 respectively disposed on both sides below the tensiometer body 110 and used to fix the screen position, and a fixing frame 130 disposed outside the clamping assembly 120; It should be noted that the tension meter body 110 is used to measure the screen tension, which adopts the LY510 model screen tension detection box, the clamping assembly 120 is used to prevent the screen from shifting during detection, and the fixing frame 130 is used to provide installation support for other components.

[0031] The displacement mechanism 200 includes a longitudinal axis assembly 210 for controlling the longitudinal movement of the tensiometer body 110 , which is disposed on the inner wall of the fixing frame 130 ; The longitudinal axis assembly 210 includes a first screw rod 211 fixedly mounted on the inner wall of the fixing frame 130 through a bearing, a first internal thread block 212 threadedly connected to the surface of the first screw rod 211, a bearing rod 213 fixedly sleeved on the surface of the first internal thread block 212, a first limiting column 214 fixedly connected to the inner wall of the fixing frame 130, and a first hand wheel 215 fixedly mounted on the through end of the first screw rod 211; It should be noted that when the first hand wheel 215 is rotated to drive the first screw rod 211 to rotate, the first internal thread block 212, the load-bearing rod 213 and the tension meter body 110 can be driven to move longitudinally along the first limit column 214; so as to achieve the effect of longitudinal position adjustment of the horizontal axis assembly 220, the telescopic mechanism 300 and the tension meter body 110.

[0032] A transverse axis assembly 220 for controlling the transverse movement of the tensiometer body 110; and a stretching assembly 230 for changing the tension of the screen mesh by two sets of clamping assemblies 120; And, a telescopic mechanism 300 for controlling the tensiometer body 110 to move closer to or away from the screen.

[0033] Specifically, the clamping assembly 120 includes an installation frame 121 respectively arranged on the inner walls on both sides of the fixed frame 130, a pull rod 122 respectively slidably connected to the inner surfaces on both sides of the installation frame 121, a movable plate 123 fixedly connected to the outer end surface of the pull rod 122, a fixed plate 124 fixedly installed on the outer surface of the installation frame 121 and used to clamp the screen with the movable plate 123, a first spring 125 sleeved on the outside of the pull rod 122, and a connecting rod 126 fixedly connected to the other end of the pull rod 122.

[0034] It should be further explained that the mounting frame 121 provides an installation basis for the clamping assembly 120. When the connecting rod 126 is pulled to overcome the elastic force of the first spring 125, the pull rod 122 can be driven to move synchronously. At the same time, the movable plate 123 and the fixed plate 124 are driven out of contact through the connecting rod 126, providing a placement space for the screen. The screen is placed between the movable plate 123 and the fixed plate 124, and then the connecting rod 126 is released. The reaction force of the first spring 125 can drive the movable plate 123 to reset, thereby clamping the screen through the movable plate 123 and the fixed plate 124.

[0035] Furthermore, the cross-axis assembly 220 includes a spline shaft 221 fixedly mounted on the inner wall of the fixed frame 130 through a bearing, a spline sleeve 222 slidably connected to the outer surface of the spline shaft 221, a first helical gear 223 fixedly sleeved on the outer surface of the spline sleeve 222, a second helical gear 224 meshing with the outer side of the first helical gear 223, a second screw rod 225 fixedly connected to the inner surface of the second helical gear 224, a second internal thread block 226 threadedly connected to the outer surface of the second screw rod 225, a limiting rod 227 fixedly connected to the bottom of the load-bearing rod 213 and used in conjunction with the second internal thread block 226, and a second hand wheel 228 fixedly mounted on the through end of the spline shaft 221.

[0036] It should be explained that when the second hand wheel 228 is turned to drive the spline shaft 221 to rotate, the spline sleeve 222 and the first helical gear 223 can be driven to rotate, and the spline sleeve 222 can move axially along the groove on the surface of the spline shaft 221, and can rotate synchronously with the spline shaft 221. Through the cooperation of the first helical gear 223 and the second helical gear 224, the rotational power of the spline sleeve 222 is transmitted to the second screw rod 225, and then the second screw rod 225 is driven to move laterally along the inner wall of the limit rod 227 through the second screw rod 225, thereby driving the telescopic mechanism 300 and the tension meter body 110 to move laterally.

[0037] Among them, the stretching assembly 230 includes a bidirectional screw 231 fixedly installed on the inner wall of the fixing frame 130 through a bearing, a third internal thread block 232 which is threadedly connected to the two side surfaces of the bidirectional screw 231 and used in conjunction with the mounting frame 121, a second limiting column 233 fixedly connected to the inner wall of the fixing frame 130 and used in conjunction with the third internal thread block 232, and a third hand wheel 234 fixedly installed on the through end of the bidirectional screw 231.

[0038] It needs to be explained that when the third hand wheel 234 is rotated to drive the bidirectional screw rod 231 to rotate, the third internal thread blocks 232 on both sides can be driven to drive the clamping assembly 120 to move toward or away from each other along the second limiting column 233 to achieve the effect of stretching or relaxing the screen and changing the tension of the screen.

[0039] When in use, the elastic force of the first spring 125 is overcome to pull the connecting rod 126, driving the pull rod 122 to move synchronously, so that the movable plate 123 and the fixed plate 124 are out of contact, and the screen is placed between the movable plate 123 and the fixed plate 124, and then the connecting rod 126 is released, and the reaction force of the first spring 125 is used to reset the movable plate 123 to clamp the screen; When adjusting the tension meter body 110 longitudinally: rotating the first hand wheel 215 drives the first screw rod 211 to rotate, driving the first internal thread block 212, the bearing rod 213 and the tension meter body 110 to move longitudinally along the first limit column 214 to adjust the longitudinal position; When the tension meter body 110 is adjusted laterally: the second hand wheel 228 is turned to drive the spline shaft 221 to rotate, so that the spline shaft sleeve 222 and the first helical gear 223 rotate, and the first helical gear 223 cooperates with the second helical gear 224 to transmit the rotational power to the second screw rod 225, driving the second internal thread block 226 to move laterally along the inner wall of the limit rod 227, thereby driving the telescopic mechanism 300 and the tension meter body 110 to move laterally to the desired detection position; When adjusting the tension of the screen: rotating the third hand wheel 234 drives the bidirectional screw rod 231 to rotate, driving the third internal thread block 232 to drive the two groups of clamping components 120 to move toward or away from each other, stretching or relaxing the screen.

[0040] In summary, through the cooperation of various components in the displacement mechanism 200, the tension meter body 110 can be adjusted longitudinally, transversely and in tension by rotating the first hand wheel 215, the second hand wheel 228 and the third hand wheel 234, and the positions of the three hand wheels always remain unchanged, so as to achieve the effect of improving the comprehensiveness and accuracy of screen detection without the need for the operator to move over a large range, while meeting the needs for screen tension detection under different production needs.

[0041] Example 2 Reference Figure 6~Figure 8 , which is the second embodiment of the present invention, which is different from the first embodiment in that: a driving assembly 310 and a vertical axis assembly 320 for controlling the tensiometer body 110 to move vertically, and a locking assembly 330 for controlling the tensiometer body 110 to stop at a suitable detection height.

[0042] Preferably, the telescopic mechanism 300 includes a driving assembly 310 for providing power for the vertical movement of the tensiometer body 110 , which is disposed outside the limit rod 227 ; A vertical axis assembly 320 for cooperating with the driving assembly 310 to drive the tensiometer body 110 to move vertically, and the vertical axis assembly 320 is disposed on the surface of the driving assembly 310; The locking assembly 330 is used to control the tensiometer body 110 to stop at a suitable detection height and is disposed outside the driving assembly 310 .

[0043] It should be noted that the driving assembly 310 includes a fixed column 311 fixedly connected to the bottom of the limiting rod 227, a fixed box 312 fixedly installed at the other end of the fixed column 311, a guide rail 313 fixedly connected to the top of the fixed box 312, pressure blocks 314 slidably connected to the two side surfaces of the guide rail 313, a driving column 315 fixedly connected to the outer surface of the pressure block 314, an L-shaped rod 316 movably connected to the outer surface of the driving column 315, a support shaft 317 fixedly connected to the inner surface of the guide rail 313 and used to support the L-shaped rod 316, and a through groove 318 opened at the top of the fixed column 311 and used in conjunction with the L-shaped rod 316.

[0044] The fixing column 311 is used to support the fixing box 312 , and at the same time squeezes the push pressure blocks 314 on both sides toward each other along the surface of the guide rail 313 , which can drive the driving column 315 to drive the L-shaped rod 316 to rotate around the support shaft 317 .

[0045] Furthermore, the vertical axis assembly 320 includes a transmission column 321 movably connected to the inner surface of one end of the L-shaped rod 316 away from the driving column 315, a connecting plate 322 fixedly connected to the outer end surface of the transmission column 321, a transmission rod 323 fixedly installed at the bottom of the connecting plate 322 and used to support the tension meter body 110, and a second spring 324 sleeved on the outside of the transmission rod 323.

[0046] It should be further explained that when the L-shaped rod 316 rotates, it can drive the transmission column 321 to move vertically. Through the cooperation between the transmission column 321 and the connecting plate 322, the transmission rod 323 and the tension meter body 110 are driven to move vertically, and a pulling force is applied to the second spring 324. After the external force on the pressure block 314 is removed, the reaction force of the second spring 324 can drive the drive assembly 310, the vertical axis assembly 320 and the tension meter body 110 to reset.

[0047] Furthermore, the locking assembly 330 includes a fixed block 331 fixedly connected to the top of the fixed column 311, a pawl 332 hinged to the outer surface of the fixed block 331, a ratchet 333 engaged with the outer end surface of the pawl 332 and used in conjunction with the support shaft 317, and a third spring 334 fixedly installed on the outer surface of the fixed block 331 and used in conjunction with the pawl 332.

[0048] It should be noted that the ratchet 333 can rotate synchronously with the support shaft 317, and push the pawl 332 away for a distance during the rotation, and then quickly reset the pawl 332 through the reaction force of the third spring 334, ensuring that the pawl 332 always remains engaged with the ratchet 333, thereby limiting the rotation of the support shaft 317, fixing the position of the fixed L-shaped rod 316, ensuring that the tensiometer body 110 stops at a suitable detection height, and ensuring a stable position during detection.

[0049] Specifically, the outer end surface of the first spring 125 is fixedly connected to the outer surface of the mounting frame 121, the other end of the first spring 125 is fixedly connected to the outer surface of the connecting rod 126, the inner surface of the load-bearing rod 213 is in sliding contact with the outer surface of the first limiting column 214, a bearing sleeve for cooperation and rotation is installed at the connection between the first screw rod 211 and the fixed frame 130, the inner surface of the mounting frame 121 is fixedly connected to the outer surface of the third internal thread block 232, the inner surface of the other end of the mounting frame 121 is in sliding contact with the outer surface of the second limiting column 233, and a bearing sleeve for cooperation and rotation is installed at the connection between the spline sleeve 222 and the load-bearing rod 213.

[0050] Preferably, the inner surface of the L-shaped rod 316 is in rotational contact with the outer surface of the support shaft 317, the outer surface of the L-shaped rod 316 is in sliding contact with the inner wall of the through groove 318, the outer end surface of the second spring 324 is fixedly connected to the bottom of the fixed column 311, the outer surface of the transmission rod 323 is in sliding contact with the inner surface of the fixed column 311, the other end of the second spring 324 is fixedly connected to the outer surface of the transmission rod 323, the ratchet 333 is fixedly sleeved on the outer end surface of the support shaft 317, and the third spring 334 and the pawl 332 are against each other.

[0051] When in use, pressure is applied to the connecting rod pressure block 314 at the same time, so that it moves toward each other along the guide rail 313, and drives the driving column 315 to drive the L-shaped rod 316 to rotate around the support shaft 317, and then drives the transmission column 321, the connecting plate 322, the transmission rod 323 and the tensiometer body 110 to move vertically through the L-shaped rod 316; At the same time, the ratchet wheel 333 can rotate synchronously with the support shaft 317, and during the rotation process, the ratchet pawl 332 is pushed away for a distance, and then the ratchet pawl 332 is quickly reset by the reaction force of the third spring 334, ensuring that the ratchet pawl 332 is always meshed with the ratchet wheel 333; When the tension meter body 110 reaches the appropriate detection height: the pressure on the pressure block 314 is cancelled, the ratchet 333 is restricted by the pawl 332 and cannot rotate in the opposite direction, thereby limiting the rotation of the support shaft 317, fixing the position of the fixed L-shaped rod 316, ensuring that the tension meter body 110 stops at the appropriate detection height, ensuring the stable position during detection, and then controlling the tension meter body 110 to detect the tension of the screen; After the detection is completed: the pawl 332 is moved to a position where it is out of contact with the ratchet wheel 333, and the reaction force of the second spring 324 drives the driving assembly 310, the vertical axis assembly 320 and the tensiometer body 110 to return to the initial position.

[0052] In summary, the telescopic mechanism 300 can accurately control the vertical movement of the tensiometer body 110 and automatically lock it when it reaches a suitable detection height, thereby preventing the operator's hand shaking from affecting the detection result and improving the detection efficiency.

[0053] Example 3 Reference Figures 1 to 8 , which is the third embodiment of the present invention, is different from the previous embodiment in that this embodiment provides a method of use, including a papermaking polyester screen tension detection device, and the method includes the following steps: S1: Overcome the elastic force of the first spring 125, pull the connecting rod 126, drive the pull rod 122 to make the movable plate 123 and the fixed plate 124 disengage, place the screen between the movable plate 123 and the fixed plate 124, loosen the connecting rod 126, and use the reaction force of the first spring 125 to reset the movable plate 123 to clamp the screen; S2: Turn the first hand wheel 215 to drive the first screw rod 211 to rotate, so that the first internal thread block 212, the bearing rod 213 and the tension meter body 110 move longitudinally along the first limit column 214 to adjust the longitudinal position; turn the second hand wheel 228 to drive the spline shaft 221 to rotate, and the second screw rod 225 is rotated through the spline shaft sleeve 222, the first helical gear 223 and the second helical gear 224, so that the second internal thread block 226 moves laterally along the limit rod 227, and the telescopic mechanism 300 and the tension meter body 110 move laterally to the desired detection position; S3: Apply pressure to the two pressure blocks 314 at the same time, so that they move toward each other along the guide rail 313, drive the driving column 315 to drive the L-shaped rod 316 to rotate around the support shaft 317, and the L-shaped rod 316 drives the transmission column 321, the connecting plate 322, the transmission rod 323 and the tensiometer body 110 to move vertically; S4: The ratchet 333 rotates synchronously with the support shaft 317, and after the pawl 332 is pushed open, the pawl 332 is quickly reset and kept in mesh with the ratchet 333 by the third spring 334. When the tensiometer body 110 reaches the appropriate detection height, the pressure on the pressure block 314 is removed, and the pawl 332 restricts the rotation of the ratchet 333, thereby fixing the position of the L-shaped rod 316, so that the tensiometer body 110 is stabilized at this height for detection; S5: Move the pawl 332 to a position where it is out of contact with the ratchet wheel 333, and drive the driving assembly 310, the vertical axis assembly 320 and the tensiometer body 110 to return to their initial positions through the reaction force of the second spring 324, and then release the screen to complete the detection process.

[0054] In summary, through the cooperation of various components in the displacement mechanism 200, the tension meter body 110 can be adjusted longitudinally, transversely and in tension by rotating the first hand wheel 215, the second hand wheel 228 and the third hand wheel 234, and the positions of the three hand wheels always remain unchanged, so as to achieve the effect of improving the comprehensiveness and accuracy of screen detection without the need for the operator to move a large range, while meeting the requirements for screen tension detection under different production needs; the telescopic mechanism 300 can accurately control the vertical movement of the tension meter body 110, and automatically lock it when it reaches a suitable detection height, so as to avoid the operator's hand shaking from affecting the detection result while improving the detection efficiency.

[0055] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to an alternative embodiment. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the present invention is not limited to a specific embodiment, but extends to a variety of modifications that still fall within the scope of the appended claims. In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiment (i.e., those features that are not relevant to the best mode currently contemplated for carrying out the invention, or those features that are not relevant to implementing the invention) may be described.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A papermaking polyester screen tension detection device, characterized in that: include, The detection mechanism (100) comprises a tensiometer body (110), clamping assemblies (120) respectively arranged on two sides below the tensiometer body (110) and used to fix the screen position, and a fixing frame (130) arranged outside the clamping assembly (120); A displacement mechanism (200) comprising a longitudinal axis component (210) for controlling the longitudinal movement of the tensiometer body (110), which is arranged on the inner wall of the fixing frame (130); The longitudinal axis assembly (210) comprises a first screw rod (211) fixedly mounted on the inner wall of the fixing frame (130) via a bearing, a first internal thread block (212) threadedly connected to the surface of the first screw rod (211), a bearing rod (213) fixedly sleeved on the surface of the first internal thread block (212), a first limiting column (214) fixedly connected to the inner wall of the fixing frame (130), and a first hand wheel (215) fixedly mounted on the through end of the first screw rod (211); A transverse axis assembly (220) for controlling the transverse movement of the tensiometer body (110); and a stretching assembly (230) for changing the tension of the screen by using the two sets of the clamping assemblies (120); And, a telescopic mechanism (300) for controlling the tensiometer body (110) to move closer to or farther from the screen.

2. The papermaking polyester screen tension detection device according to claim 1, characterized in that: The clamping assembly (120) includes a mounting frame (121) respectively arranged on the inner walls on both sides of the fixing frame (130), a pull rod (122) respectively slidably connected to the inner surfaces on both sides of the mounting frame (121), a movable plate (123) fixedly connected to the outer end surface of the pull rod (122), a fixed plate (124) fixedly installed on the outer surface of the mounting frame (121) and used to clamp the screen with the movable plate (123), a first spring (125) sleeved on the outside of the pull rod (122), and a connecting rod (126) fixedly connected to the other end of the pull rod (122).

3. The papermaking polyester screen tension detection device according to claim 2, characterized in that: The transverse axis assembly (220) comprises a spline shaft (221) fixedly mounted on the inner wall of the fixing frame (130) via a bearing, a spline shaft sleeve (222) slidably connected to the outer surface of the spline shaft (221), a first helical gear (223) fixedly sleeved on the outer surface of the spline shaft sleeve (222), a second helical gear (224) meshed with the outer side of the first helical gear (223), a second screw rod (225) fixedly connected to the inner surface of the second helical gear (224), a second internal thread block (226) threadedly connected to the outer surface of the second screw rod (225), a limit rod (227) fixedly connected to the bottom of the bearing rod (213) and used in conjunction with the second internal thread block (226), and a second hand wheel (228) fixedly mounted on the through end of the spline shaft (221).

4. The papermaking polyester screen tension detection device according to claim 3, characterized in that: The stretching assembly (230) comprises a bidirectional screw (231) fixedly mounted on the inner wall of the fixing frame (130) via a bearing, a third internal thread block (232) respectively threadedly connected to the two side surfaces of the bidirectional screw (231) and used in conjunction with the mounting frame (121), a second limiting column (233) fixedly connected to the inner wall of the fixing frame (130) and used in conjunction with the third internal thread block (232), and a third hand wheel (234) fixedly mounted on the through end of the bidirectional screw (231).

5. The papermaking polyester screen tension detection device according to claim 4, characterized in that: The telescopic mechanism (300) comprises a driving assembly (310) for providing power for the vertical movement of the tensiometer body (110), which is arranged outside the limiting rod (227); a vertical axis component (320) for cooperating with the driving component (310) to drive the tensiometer body (110) to move vertically, and disposed on a surface of the driving component (310); and a locking assembly (330) for controlling the tensiometer body (110) to stop at a suitable detection height, which is arranged outside the driving assembly (310).

6. The papermaking polyester screen tension detection device according to claim 5, characterized in that: The driving assembly (310) includes a fixing column (311) fixedly connected to the bottom of the limiting rod (227), a fixing box (312) fixedly installed at the other end of the fixing column (311), a guide rail (313) fixedly connected to the top of the fixing box (312), pressure blocks (314) slidably connected to the two side surfaces of the guide rail (313), a driving column (315) fixedly connected to the outer surface of the pressure block (314), an L-shaped rod (316) movably connected to the outer surface of the driving column (315), a support shaft (317) fixedly connected to the inner surface of the guide rail (313) and used to support the L-shaped rod (316), and a through groove (318) opened at the top of the fixing column (311) and used in conjunction with the L-shaped rod (316).

7. The papermaking polyester screen tension detection device according to claim 6, characterized in that: The vertical axis assembly (320) comprises a transmission column (321) movably connected to the inner surface of one end of the L-shaped rod (316) away from the driving column (315), a connecting plate (322) fixedly connected to the outer end surface of the transmission column (321), a transmission rod (323) fixedly mounted on the bottom of the connecting plate (322) and used to support the tensiometer body (110), and a second spring (324) sleeved on the outside of the transmission rod (323).

8. The papermaking polyester screen tension detection device according to claim 7, characterized in that: The locking assembly (330) comprises a fixing block (331) fixedly connected to the top of the fixing column (311), a pawl (332) hinged to the outer surface of the fixing block (331), a ratchet (333) meshed with the outer end surface of the pawl (332) and used in conjunction with the support shaft (317), and a third spring (334) fixedly mounted on the outer surface of the fixing block (331) and used in conjunction with the pawl (332).

9. The papermaking polyester screen tension detection device according to claim 8, characterized in that: The outer end surface of the first spring (125) is fixedly connected to the outer surface of the installation frame (121), the other end of the first spring (125) is fixedly connected to the outer surface of the connecting rod (126), the inner surface of the bearing rod (213) is in sliding contact with the outer surface of the first limiting column (214), a bearing sleeve for matching rotation is installed at the connection between the first screw rod (211) and the fixing frame (130), the inner surface of the installation frame (121) is fixedly connected to the outer surface of the third internal thread block (232), the inner surface of the other end of the installation frame (121) is in sliding contact with the outer surface of the second limiting column (233), and a bearing sleeve for matching rotation is installed at the connection between the spline shaft sleeve (222) and the bearing rod (213).

10. The papermaking polyester screen tension detection device according to claim 9, characterized in that: The inner surface of the L-shaped rod (316) is in rotational contact with the outer surface of the support shaft (317), the outer surface of the L-shaped rod (316) is in sliding contact with the inner wall of the through groove (318), the outer end surface of the second spring (324) is fixedly connected to the bottom of the fixed column (311), the outer surface of the transmission rod (323) is in sliding contact with the inner surface of the fixed column (311), the other end of the second spring (324) is fixedly connected to the outer surface of the transmission rod (323), the ratchet (333) is fixedly sleeved on the outer end surface of the support shaft (317), and the third spring (334) and the pawl (332) are in abutment against each other.

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