Fixed-point slitting device for filter material of primary filter
By designing a primary filter media cutting device with a support frame and elastic fixed-point structure, the problem of inaccurate control of filter media cutting length was solved, achieving precision and flatness in filter media cutting and improving work efficiency.
Patent Information
- Application Number
- CN202520116065.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The lack of a fixed-point structure in the existing technology makes it impossible to accurately control the length of the fabric pulled out during filter material cutting, resulting in low cutting efficiency and wasted time and effort.
A primary filter media cutting device was designed, comprising a support frame, material rollers, a conveyor belt, an elastic fixing structure, and a cutting structure. The elastic fixing structure accurately controls the length of the filter media, and the cutting structure ensures the flatness of the cut.
It achieves precise control over the length of the filter media and the flatness of the cut, improves cutting efficiency, reduces errors, and is suitable for filter media of various thicknesses.
Smart Images

Figure CN223671305U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to filter material cutting technical field especially relates to a primary filter filter material fixed point slitting device. BACKGROUND
[0002] The primary filter is a kind of common air filter, usually used to filter large particles in air, such as dust, hair, pet dander etc., usually installed at the air inlet of air handling equipment or air conditioning system, to protect other filters and prolong its service life.
[0003] And the filter material used by primary filter is mostly made of polyester fiber material, however, in prior art, when cutting filter material, due to lack of fixed point structure, the length of pulled cloth cannot be accurately controlled, thereby leading to that, in the process of cutting filter material, artificial cutting is generally used, thereby greatly reducing work efficiency, and time and effort are wasted.
[0004] Therefore, how to provide a kind of primary filter filter material fixed point slitting device is the problem of the person skilled in the art to be solved urgently. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of primary filter filter material fixed point slitting device, to solve the problems mentioned in the background art.
[0006] The utility model is realized as follows, a kind of primary filter filter material fixed point slitting device, including;
[0007] Support frame;
[0008] Material roller, the material roller is movably installed at the left side of support frame;
[0009] Conveying belt, the conveying belt array is installed at the right side of support frame;
[0010] Filter material body, the filter material body is movably sleeved on the surface of material roller, and with the top of conveying belt movable contact;
[0011] Elastic fixed point structure, the elastic fixed point structure is arranged at the front and back of support frame left end.
[0012] Preferably, the top of support frame is provided with cutting structure, and the cutting structure is further provided with tight structure, the tight structure includes support frame and double-head motor, the support frame is arranged at the front side of cutting structure, the double-head motor is fixedly installed at the middle part of support frame, the front and back of double-head motor are symmetrically provided with tight wheel, and the surface of support frame is penetrated, and the top of filter material body is movably abutted.
[0013] Preferably, the elastic fixed point structure comprises a roller range finder, a movable slot and a guide rod, the movable slot is arranged on the left end of the support frame, the guide rod is fixedly installed on the right end of the movable slot, the surface of the guide rod is provided with a spring and a lifting plate from top to bottom, the roller range finder is fixedly installed on the left end of the lifting plate, the inner side of the roller range finder is movably installed with a roller main body, the bottom of the lifting plate is fixedly installed with a permanent magnet ring, the bottom of the right end of the movable slot is fixedly installed with an electromagnet, and the inner side is provided with an elastic button, the elastic button penetrates the inner side of the bottom of the movable slot and is in elastic contact with the side surface of the filter material body.
[0014] Preferably, the cutting structure comprises a first displacement screw, a traction plate, a second displacement screw, a sliding block, a rotating disc and a cutter, the first displacement screw is symmetrically arranged on the top of the support frame on the front and rear sides, the traction plate is movably installed on the surface of the first displacement screw, the second displacement screw is arranged on the middle of the traction plate, the sliding block is movably installed on the surface of the second displacement screw, the surface of the right side of the sliding block is arrayed with a telescopic rod, the rotating disc is fixedly installed on the bottom of the telescopic rod, and the top of the support frame is movably installed on the surface of the rotating disc.
[0015] Preferably, the elastic button is electrically connected with the electromagnet, and the electromagnet has the same magnetism as the opposite surface of the permanent magnet ring.
[0016] Preferably, when the permanent magnet ring descends, the limit distance from the bottom of the movable slot is greater than the height value of the electromagnet.
[0017] Preferably, the spring is a rubber spring, and the guide rod is a plastic guide rod.
[0018] Compared with the prior art, the elastic fixed point structure is arranged on the left end of the support frame, so that the moving length of the filter material body can be accurately controlled, and the detection height can be changed according to the thickness of the filter material body, thereby being suitable for slitting of filter material bodies of various thicknesses.
[0019] Meanwhile, the cutting structure is arranged on the support frame, so that the filter material body can be conveniently slitted, and the tight structure is arranged on the cutting structure, so that the filter material body of the cutting part is kept flat, the cutting error is reduced, and the slitting effect is better. BRIEF DESCRIPTION OF DRAWINGS
[0020] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, and do not constitute a limitation of the present application. In the drawings:
[0021] Figure 1The overall appearance structure schematic diagram of the fixed-point cutting device for filter material of primary efficiency filter provided by the embodiment of the utility model;
[0022] Figure 2 The rear view section structure schematic diagram of the fixed-point cutting device for filter material of primary efficiency filter provided by the embodiment of the utility model;
[0023] Figure 3 The right view section structure schematic diagram of the fixed-point cutting device for filter material of primary efficiency filter provided by the embodiment of the utility model;
[0024] Figure 4 The A part enlarged structure schematic diagram of the fixed-point cutting device for filter material of primary efficiency filter provided by the embodiment of the utility model; Figure 1
[0025] Figure 5 The B part enlarged structure schematic diagram of the fixed-point cutting device for filter material of primary efficiency filter provided by the embodiment of the utility model. Figure 2
[0026] In the drawing: 1 - support frame, 2 - transmission belt, 3 - filter material body, 4 - material roller, 5 - first displacement screw, 6 - traction plate, 7 - second displacement screw, 8 - sliding block, 9 - telescopic rod, 10 - rotary disc, 11 - cutter, 12 - support frame, 13 - double-head motor, 14 - tight wheel, 15 - movable groove, 16 - lifting plate, 17 - guide rod, 18 - spring, 19 - electromagnet, 20 - roller main body, 21 - roller range finder, 22 - permanent magnet ring, 23 - elastic button. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0028] The specific implementation of the utility model will be described in detail in combination with specific embodiments.
[0029] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the structure schematic diagram of the fixed-point cutting device for filter material of primary efficiency filter provided by an embodiment of the utility model, comprising;
[0030] Support frame 1;
[0031] Material roller 4, material roller 4 is movably installed at the left side of support frame 1;
[0032] Transmission belt 2, transmission belt 2 is arrayedly installed at the right side of support frame 1;
[0033] The filter material body 3 is movably sleeved on the surface of the material roller 4 and is movably in contact with the top of the conveying belt 2.
[0034] The elastic fixed point structure is arranged on the front and back sides of the left end of the support frame 1.
[0035] In the embodiment of the utility model, when using, the material roller 4 is placed on the left side of the support frame 1, then the filter material body 3 on the surface of the material roller 4 is moved to the conveying belt 2 on the right end of the material roller 4, then the conveying belt 2 is started, so that the material roller 4 drives the filter material body 3 to move from left to right, and the elastic fixed point structure is worked.
[0036] The elastic fixed point structure is arranged on the left end of the support frame 1, so that the moving length of the filter material body 3 can be accurately controlled, and the detection height can be changed according to the thickness of the filter material body 3, thereby being suitable for slitting of filter material bodies 3 of various thicknesses.
[0037] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , as a preferred embodiment of the utility model, the top of the support frame 1 is provided with a cutting structure, and the cutting structure is further provided with a tensioning structure, the tensioning structure comprises a support frame 12 and a double-head motor 13, the support frame 12 is arranged on the front side of the cutting structure, the double-head motor 13 is fixedly installed on the middle part of the support frame 12, the front and back sides of the double-head motor 13 are symmetrically provided with a tension pulley 14, and the tension pulley 14 penetrates the surface of the support frame 12 and is movably in contact with the top of the filter material body 3.
[0038] In the embodiment of the utility model, when cutting, the material roller 4 is self-locked and stops working, then the tension pulley 14 on the right side of the support frame 12 of the rotating disc 10 is in contact with the filter material body 3, then the double-head motor 13 is started, and the tension pulley 14 is rotated outward.
[0039] The tensioning structure is further arranged on the cutting structure, so that the filter material body 3 of the cutting part is kept flat, the cutting error is reduced, and the slitting effect is better.
[0040] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, in a preferred embodiment of this utility model, the elastic fixed-point structure includes a roller rangefinder 21, a movable groove 15, and a guide rod 17. The movable groove 15 is opened on the front and rear sides of the left end of the support frame 1. The guide rod 17 is fixedly installed on the right end of the movable groove 15. A spring 18 and a lifting plate 16 are arranged from top to bottom on the surface of the guide rod 17. The roller rangefinder 21 is fixedly installed on the left end of the lifting plate 16. A roller body 20 is movably installed on the inner side of the roller rangefinder 21. A permanent magnet ring 22 is fixedly installed on the bottom of the lifting plate 16. An electromagnet 19 is fixedly installed on the bottom of the right end of the movable groove 15, and an elastic button 23 is provided on the inner side. The elastic button 23 penetrates the inner side of the bottom of the movable groove 15 and elastically contacts the side of the filter material body 3.
[0041] In this embodiment of the utility model, when the filter material body 3 moves, it will squeeze the elastic buttons 23 on both sides of the support frame 1, thereby causing the elastic buttons 23 to contract. Then the electromagnet 19 is de-energized, releasing the repulsive force on the permanent magnet ring 22. Then, under the weight of the spring 18 and its lifting plate 16 and other parts, the lifting plate 16 descends along the guide rod 17, thereby causing the roller body 20 to contact the filter material body 3.
[0042] By setting an elastic fixed-point structure, the removal length of the removed filter media body 3 can be calculated. Furthermore, since it moves from top to bottom, it can be used to measure the removal length of filter media bodies 3 with various thicknesses.
[0043] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in a preferred embodiment of this utility model, the cutting structure includes a first displacement screw 5, a traction plate 6, a second displacement screw 7, a slider 8, a rotating disk 10, and a cutter 11. The first displacement screw 5 is symmetrically arranged on the top of the front and rear sides of the support frame 1. The traction plate 6 is movably installed on the surface of the first displacement screw 5. The second displacement screw 7 is arranged in the middle of the traction plate 6. The slider 8 is movably installed on the surface of the second displacement screw 7. A telescopic rod 9 is arrayed on the right side surface of the slider 8. The rotating disk 10 is fixedly installed on the bottom of the telescopic rod 9. The top of the support frame 12 is movably installed on the surface of the rotating disk 10. The cutter 11 is movably installed on the bottom of the rotating disk 10.
[0044] In this embodiment of the utility model, when in use, the first displacement screw 5 is activated to adjust the position of the traction plate 6 so that the working position of the cutter 11 is in contact with the front side of the roller body 20. Then the second displacement screw 7 is activated to move the slider 8 back and forth, and the telescopic rod 9 is activated so that the cutter 11 contacts the filter material body 3 and then cuts.
[0045] By setting the rotating disc 10, the rotating disc 10 can further control the change of the working angle of the cutter 11, and the slitting effect is more diversified.
[0046] As shown in Figure 2 , Figure 3 and Figure 5 , as a preferred embodiment of the utility model, the elastic button 23 is electrically connected with the electromagnet 19, and the electromagnet 19 and the facing surface of the permanent magnet ring 22 have the same magnetism.
[0047] In the embodiment of the utility model, when in use, the elastic button 23 is electrically connected with the electromagnet 19, and when the elastic button 23 is contracted, the electromagnet 19 is powered off, and by making the electromagnet 19 and the facing surface of the permanent magnet ring 22 have the same magnetism, when the electromagnet 19 is powered on, the permanent magnet ring 22 moves upward.
[0048] As shown in Figure 2 , Figure 3 and Figure 5 , as a preferred embodiment of the utility model, when the permanent magnet ring 22 descends, the limit distance from the bottom of the movable groove 15 is greater than the height value of the electromagnet 19.
[0049] In the embodiment of the utility model, when in use, by making the limit distance from the bottom of the movable groove 15 when the permanent magnet ring 22 descends greater than the height value of the electromagnet 19, when powered off, the permanent magnet ring 22 and the electromagnet 19 are prevented from colliding, and the damage of both is avoided.
[0050] As shown in Figure 2 , Figure 3 and Figure 5 , as a preferred embodiment of the utility model, the spring 18 is a rubber spring, and the guide rod 17 is a plastic guide rod.
[0051] In the embodiment of the utility model, when in use, by making the spring 18 a rubber spring and the guide rod 17 a plastic guide rod, the influence on the working of the permanent magnet ring 22 and the electromagnet 19 is reduced.
[0052] In the above embodiment of the utility model, a kind of primary filter filter material fixed point slitting device is provided, when in use, material roller 4 is placed in the left side of support frame 1, then the filter material body 3 on the surface of material roller 4 is moved to the transmission belt 2 on the right end of material roller 4;
[0053] Then start transmission belt 2, so that material roller 4 drives filter material body 3 to move from left to right;
[0054] Further, when the filter material body 3 moves, the elastic button 23 on both sides of the support frame 1 is extruded, so that the elastic button 23 is retracted, then the electromagnet 19 is powered off, the repulsive force of the permanent magnet ring 22 is removed, and under the weight of the spring 18, the lifting plate 16 and the top part, the lifting plate 16 moves along the guide rod 17, so that the roller body 20 inside the roller distance measuring instrument 21 contacts the filter material body 3, and then rotates with the movement of the filter material body 3, thereby calculating the length of the filter material body 3 removed;
[0055] When the specified length value is reached, the first displacement screw 5 is started, the position of the traction plate 6 is adjusted, the working position of the cutter 11 is attached to the front side of the roller body 20, then the second displacement screw 7 is started, the slider 8 moves forward and backward, and the telescopic rod 9 is started, so that the cutter 11 contacts the filter material body 3, then cuts, and the rotating disc 10 can be started to change the working angle of the cutter 11, thereby making the cutting effect better;
[0056] When cutting, the material roller 4 is self-locked and stops working, then the right side support frame 12 of the rotating disc 10 is started, the tight wheel 14 contacts the filter material body 3, then the double-head motor 13 is started, thereby making the tight wheel 14 rotate outward, so that the filter material body 3 of the cutting part is kept flat, reduces the cutting error, and makes the cutting effect better.
[0057] The above only describes the preferred embodiments of the present application, and does not limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A point-to-point cutting device for filter media of a prefilter, characterized in that, Include; Support frame (1); Material roller (4), the material roller (4) is movably mounted on the left side of support frame (1); Transmission belt (2), the transmission belt (2) is arrayed mounted on the right side of support frame (1); Filter material body (3), the filter material body (3) is movably sleeved on the surface of material roller (4), and is movably contacted with the top of transmission belt (2); Elastic fixed point structure, the elastic fixed point structure is arranged on the front and back sides of the left end of support frame (1).
2. A point-to-point cutting apparatus for primary filter media according to claim 1, wherein, The top of the support frame (1) is provided with a cutting structure, and the cutting structure is further provided with a tight structure, the tight structure comprises a support frame (12) and a double-head motor (13), the support frame (12) is arranged on the front side of the cutting structure, the double-head motor (13) is fixedly installed on the middle part of the support frame (12), the double-head motor (13) is symmetrically provided with a tight wheel (14) on the front and back sides, and penetrates the surface of the support frame (12) and is movably abutted with the top of the filter material body (3).
3. A point-to-point cutting apparatus for primary filter media according to claim 1, wherein, The elastic fixed point structure comprises a roller range finder (21), a movable groove (15) and a guide rod (17), the movable groove (15) is opened on the front and back sides of the left end of the support frame (1), the guide rod (17) is fixedly installed on the right end of the movable groove (15), the surface of the guide rod (17) is provided with a spring (18) and a lifting plate (16) from top to bottom, the roller range finder (21) is fixedly installed on the left end of the lifting plate (16), the inner side of the roller range finder (21) is movably installed with a roller main body (20), the bottom of the lifting plate (16) is fixedly installed with a permanent magnet ring (22), the bottom of the right end of the movable groove (15) is fixedly installed with an electromagnet (19), and the inner side is provided with an elastic button (23), the elastic button (23) penetrates the inner side of the bottom of the movable groove (15) and is elastically contacted with the side surface of the filter material body (3).
4. A point-to-point cutting apparatus for initial effect filter material according to claim 2, wherein, The cutting structure comprises a first displacement screw (5), a traction plate (6), a second displacement screw (7), a sliding block (8), a rotating disc (10) and a cutter (11), the first displacement screw (5) is symmetrically arranged on the top of the front and back sides of the support frame (1), the traction plate (6) is movably installed on the surface of the first displacement screw (5), the second displacement screw (7) is arranged on the middle part of the traction plate (6), the sliding block (8) is movably installed on the surface of the second displacement screw (7), the surface of the right side of the sliding block (8) is arrayed installed with a telescopic rod (9), the rotating disc (10) is fixedly installed on the bottom of the telescopic rod (9), the top of the support frame (12) is movably installed on the surface of the rotating disc (10), and the cutter (11) is movably installed on the bottom of the rotating disc (10).
5. A point-to-point cutting apparatus for initial effect filter material according to claim 3, wherein, The elastic button (23) is electrically connected with the electromagnet (19), and the electromagnet (19) has the same magnetic property as the opposite surface of the permanent magnet ring (22).
6. A point-to-point cutting apparatus for initial effect filter material according to claim 3, wherein, When the permanent magnet ring (22) descends, the limit distance of the bottom of the movable groove (15) is greater than the height value of the electromagnet (19).
7. A point-to-point cutting apparatus for initial effect filter material according to claim 3, wherein The spring (18) adopts a rubber spring, and the guide rod (17) adopts a plastic guide rod.