Plastic processing waste gas pumping and discharging device
Patent Information
- Application Number
- CN202423185680.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-24
AI Technical Summary
In existing plastic processing exhaust gas extraction devices, the filter screen is prone to clogging after filtering high-temperature flue gas, and the internal cooling efficiency of the pipeline is low, which affects the filter screen replacement efficiency.
The transmission structure driven by a servo motor drives the rotating plate, which lifts the filter structure through an electric push rod, allowing it to detach from the pipe. Combined with the design of the slide and top cover, it achieves rapid cooling and convenient replacement.
It improves the cooling efficiency of the filter structure, simplifies the filter replacement process, avoids damage to the filter caused by high temperature, and improves the operating efficiency of the equipment.
Smart Images

Figure CN223774568U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastics processing, especially to a plastics processing waste gas extraction device. BACKGROUND
[0002] Plastics processing is a process of changing the shape and size of plastics by temperature and pressure, which mainly includes preparation, heating, pressure injection or pressure extrusion, cooling, cutting and the like of plastic raw materials, and common plastics processing methods include injection molding, extrusion, blow molding, calendering, rotational molding and the like.
[0003] For example, the utility model discloses a kind of plastics processing waste gas extraction devices, including suction tank, the inner wall top of the suction tank is fixed with suction fan, the end of the outlet pipe cylinder is threadedly connected with end cap. The plastics processing waste gas extraction device, by suction fan, the waste gas inhaled is entered into rectangular steel pipe, and cooperate with exhaust fan to blow the waste gas in rectangular steel pipe into inlet pipe, so that waste gas enters exhaust hood, and using the air filter core in outlet pipe cylinder, so that the waste gas in exhaust hood is discharged by a plurality of outlet pipe cylinders after filtration, avoid the noise generated when waste gas is concentratedly discharged, affect workshop environment.
[0004] In the prior art, the filter device inside the waste gas extraction pipeline is prone to blockage of the filter screen after a long time of filtration. The filter screen usually needs to filter high-temperature flue gas, resulting in a high temperature of the filter screen and its outer frame. The cooling efficiency inside the pipeline is lower than that in the outside world, which affects the replacement efficiency of the filter screen. UTILITY MODEL CONTENTS
[0005] In view of the above problems that the existing filter screen usually needs to filter high-temperature flue gas, resulting in a high temperature of the filter screen and its outer frame, and the cooling efficiency inside the pipeline is lower than that in the outside world, the utility model is proposed.
[0006] Therefore, the utility model aims to provide a plastics processing waste gas extraction device, which aims to quickly lift the filter structure to improve the cooling efficiency of the filter structure.
[0007] To solve the above technical problems, the utility model provides the following technical scheme: a plastics processing waste gas extraction device, which comprises a conveying pipeline, a pushing component is arranged inside the conveying pipeline, and a filtering component is arranged inside the conveying pipeline.
[0008] The pushing component comprises a servo motor clamped at the bottom end of the conveying pipe, the output end of the servo motor is transmissionally connected with a first transmission structure through the conveying pipe, the output end of the servo motor is transmissionally connected with a second transmission structure, two rotating grooves are formed in the inside of the conveying pipe, the top end of the side, away from the first transmission structure and the second transmission structure, of each rotating plate is fixedly connected with a rotating plate, the two rotating plates are movably connected in the two rotating grooves respectively, the bottom end of the side, away from the first transmission structure and the second transmission structure, of each rotating plate is movably connected in the inside of the conveying pipe, the inside side wall of each rotating groove is clamped with a pressure sensor, the side, away from each other, of the two pressure sensors is respectively overlapped with the opposite surface of the two rotating plates, the input end of the two electric push rods is electrically connected with the output end of the two pressure sensors, and the bottom end of the two electric push rods is fixedly clamped in the inside bottom end of the conveying pipe.
[0009] As a preferred scheme of the plastic processing waste gas extraction device, the filter component comprises a same supporting plate fixedly connected to the top end of the two electric push rods, the top end of the supporting plate is fixedly connected to the bottom end of the backing plate, and the conveying pipe is sleeved on the outer wall of the supporting plate and the backing plate to lift the filter structure.
[0010] As a preferred scheme of the plastic processing waste gas extraction device, the top end of the backing plate is overlapped with the bottom end of the filter structure, and the top end of the filter structure is fixedly connected with a handle for carrying the filter structure.
[0011] As a preferred scheme of the plastic processing waste gas extraction device, the inside of the conveying pipe is provided with a sliding groove on both sides, and the filter structure is provided with a sliding block fixedly connected to both sides, and the two sliding blocks are slidingly connected in the two sliding grooves to guide the filter structure.
[0012] As a preferred scheme of the plastic processing waste gas extraction device, the top end of the conveying pipe is provided with a butt joint groove, the butt joint groove is clamped with a top cover, and the bottom end of the top cover is overlapped with the top end of the filter structure to close the upper part of the conveying pipe.
[0013] As a preferred scheme of the plastic processing waste gas extraction device, the top end of the top cover is threadedly connected with two bolts, and the two bolts are threadedly connected to the top end of the conveying pipe through the top cover to lock the upper part of the conveying pipe.
[0014] As a preferred scheme of the plastic processing waste gas extraction device, the rotating groove is irregularly cylindrical, the shape of the rotating groove is matched with the shape of the rotating plate, and the two rotating plates are oppositely directed to drive the heads of the two pressure sensors.
[0015] The utility model discloses beneficial effect:
[0016] 1. through servo motor simultaneously drive first transmission structure and second transmission structure rotation, first transmission structure and second transmission structure run, will drive two rotary plates respectively in two rotary grooves opposite reverse rotation, two rotary plates respectively with two pressure sensors contact, will drive electric push rod and push filter component upward, the structure of convenient quick filter screen and its outside is lifted, makes it gradually separate from the top of conveying pipeline, and after filter screen exposes outside, cooling efficiency will improve greatly, and then filter screen is taken out from conveying pipeline inside conveniently.
[0017] 2. through electric push rod and push the supporting plate upward, make the slider of filter structure both sides slide in two slide grooves inside conveying pipeline, need to take out the bolt from the top of top cap before, make the top cap can be taken out from the butt joint groove above conveying pipeline, convenient for the location and orientation of multiple filter structures, make filter structure stably be in the inside of conveying pipeline, also convenient for the top of conveying pipeline is closed, to avoid that outside impurity causes damage to filter structure. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Among them:
[0019] Figure 1 It is the overall structure schematic diagram of the plastic processing waste gas exhaust device of the utility model.
[0020] Figure 2 It is the cross section three-dimensional structure schematic diagram of the plastic processing waste gas exhaust device of the utility model.
[0021] Figure 3 It is the cross section three-dimensional structure schematic diagram of the conveying pipeline of the plastic processing waste gas exhaust device of the utility model.
[0022] Figure 4 It is the cross section three-dimensional structure schematic diagram of the slide groove of the plastic processing waste gas exhaust device of the utility model.
[0023] EXPLANATION OF REFERENCE NUMERALS:
[0024] 1, conveying pipeline; 2, push part; 21, servo motor; 22, first transmission structure; 23, second transmission structure; 24, rotating groove; 25, rotating plate; 26, pressure sensor; 27, electric push rod; 3, filter part; 31, supporting plate; 32, backing plate; 33, filter structure; 34, sliding chute; 35, sliding block; 36, butt joint groove; 37, top cover; 38, bolt. DETAILED DESCRIPTION
[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings of the specification.
[0026] Example 1
[0027] Reference Figures 1-2 For the first embodiment of the utility model, a plastic processing waste gas extraction device is provided, which comprises a conveying pipeline 1, the inside of the conveying pipeline 1 is provided with a push part 2, and the inside of the conveying pipeline 1 is provided with a filter part 3.
[0028] The push part 2 comprises a servo motor 21 clamped at the bottom end of the conveying pipeline 1, the output end of the servo motor 21 is transmissionally connected with the first transmission structure 22 penetrating through the conveying pipeline 1, the output end of the servo motor 21 is transmissionally connected with the second transmission structure 23, two rotating grooves 24 are formed in the inside of the conveying pipeline 1, the top end of the side, away from the first transmission structure 22 and the second transmission structure 23, is fixedly connected with the rotating plate 25, the two rotating plates 25 are movably connected in the two rotating grooves 24 respectively, the bottom end of the side, away from the first transmission structure 22 and the second transmission structure 23, is movably connected in the inside of the conveying pipeline 1, the inside side wall of the two rotating grooves 24 is clamped with the pressure sensor 26 respectively, the side, away from each other, of the two pressure sensors 26 is respectively overlapped with the opposite surface of the two rotating plates 25, the input end of the two electric push rods 27 is electrically connected with the output end of the two pressure sensors 26 respectively, and the bottom end of the two electric push rods 27 is fixedly clamped in the inside bottom end of the conveying pipeline 1.
[0029] The rotating groove 24 is irregular cylindrical, the shape of the rotating groove 24 is matched with the shape of the rotating plate 25, and the two rotating plates 25 are opposite to each other.
[0030] In use, the servo motor 21 under the conveying pipeline 1 is started to drive the first transmission structure 22 and the second transmission structure 23 to rotate, and since the first transmission structure 22 and the second transmission structure 23 are both composed of two transmission wheels and a transmission belt, the first transmission structure 22 and the second transmission structure 23 will drive the two rotating plates 25 to rotate in opposite directions in the two rotating grooves 24 after being operated, and after the two rotating plates 25 contact the two corresponding pressure sensors 26, the two pressure sensors 26 will transmit information to the electric push rod 27 after processing, and drive the electric push rod 27 to push the filter component 3 upwards, which facilitates the rapid lifting of the filter screen and the structure outside the filter screen, so that the filter screen gradually separates from above the conveying pipeline 1, and after the filter screen is exposed outside, the cooling efficiency will be greatly improved, thereby facilitating the removal of the filter screen from the inside of the conveying pipeline 1.
[0031] Embodiment 2
[0032] Reference Figures 1-4 For the second embodiment of the utility model, which is different from the first embodiment:
[0033] The filter component 3 comprises a same supporting plate 31 fixedly connected to the top ends of the two electric push rods 27, the top end of the supporting plate 31 is fixedly connected to the bottom end of the backing plate 32, the conveying pipeline 1 is sleeved on the outer walls of the supporting plate 31 and the backing plate 32, the top end of the filtering structure 33 is fixedly connected to the top end of the backing plate 32, the top end of the filtering structure 33 is fixedly connected to a handle, the inside of the conveying pipeline 1 is provided with a sliding groove 34 on both sides, the two sides of the filtering structure 33 are fixedly connected to a sliding block 35, the two sliding blocks 35 are slidingly connected to the two sliding grooves 34 respectively, the top end of the conveying pipeline 1 is provided with a butt joint groove 36, the butt joint groove 36 is clamped with a top cover 37, the bottom end of the top cover 37 is overlapped with the top end of the filtering structure 33, the top end of the top cover 37 is screwed with two bolts 38, and the two bolts 38 are screwed in the top end of the conveying pipeline 1 through the top cover 37.
[0034] In use, the two electric push rods 27 will simultaneously push the supporting plate 31, so that the filtering structure 33 above the backing plate 32 is gradually pushed out of the conveying pipeline 1, and in this process, the sliding blocks 35 on both sides of the filtering structure 33 will slide in the two sliding grooves 34 inside the conveying pipeline 1, and before the filtering structure 33 is pushed out, the bolts 38 need to be removed from above the top cover 37, and after the top cover 37 loses the restriction from the bolts 38, the top cover 37 can be removed from the butt joint groove 36 above the conveying pipeline 1, at this time, the handle above the filtering structure 33 will be exposed, which facilitates the positioning and guiding of multiple filtering structures 33, so that the filtering structure 33 stably stays inside the conveying pipeline 1, and at the same time, it is also convenient to close the top of the conveying pipeline 1 to avoid damage to the filtering structure 33 by external impurities.
[0035] The rest of the structure is the same as that of Example 1.
[0036] It should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.
Claims
1. A plastic processing off-gas extraction device comprising a conveying duct (1), characterized in that: The inside of the conveying pipeline (1) is provided with a pushing component (2), and the inside of the conveying pipeline (1) is provided with a filtering component (3); The pushing component (2) comprises a servo motor (21) clamped at the bottom end of the conveying pipeline (1), the output end of the servo motor (21) is drivingly connected with a first transmission structure (22) penetrating through the conveying pipeline (1), the output end of the servo motor (21) is drivingly connected with a second transmission structure (23), two rotating grooves (24) are formed in the inside of the conveying pipeline (1), the top end of the side away from the first transmission structure (22) and the second transmission structure (23) is fixedly connected with a rotating plate (25), the two rotating plates (25) are movably connected in the two rotating grooves (24) respectively, the bottom end of the side away from the first transmission structure (22) and the second transmission structure (23) is movably connected in the inside of the conveying pipeline (1), the inside side wall of the two rotating grooves (24) is clamped with a pressure sensor (26), the side away from each other of the two pressure sensors (26) is respectively overlapped with the opposite surface of the two rotating plates (25), the input end of the two electric push rods (27) is electrically connected with the output end of the two pressure sensors (26) respectively, and the bottom end of the two electric push rods (27) is fixedly clamped in the inside bottom end of the conveying pipeline (1).
2. The plastic processing off-gas extraction apparatus according to claim 1, characterized by: The filtering component (3) comprises a same supporting plate (31) fixedly connected at the top end of the two electric push rods (27), the top end of the supporting plate (31) is fixedly connected with the bottom end of a backing plate (32), and the conveying pipeline (1) is sleeved on the outer wall of the supporting plate (31) and the backing plate (32).
3. The plastic processing off-gas extraction apparatus according to claim 2, characterized by: The top end of the backing plate (32) is overlapped with the bottom end of a filtering structure (33), and the top end of the filtering structure (33) is fixedly connected with a handle.
4. The plastic processing off-gas extraction apparatus according to claim 3, characterized by: The inside of the conveying pipeline (1) is provided with a sliding groove (34), and the two sides of the filtering structure (33) are fixedly connected with a sliding block (35), and the two sliding blocks (35) are slidingly connected in the two sliding grooves (34) respectively.
5. The plastic processing off-gas extraction apparatus according to claim 4, characterized by: The top end of the conveying pipeline (1) is provided with a butt joint groove (36), the butt joint groove (36) is clamped with a top cover (37), and the bottom end of the top cover (37) is overlapped on the top end of the filtering structure (33).
6. The plastic processing off-gas extraction apparatus according to claim 5, characterized by: The top end of the top cover (37) is threadedly connected with two bolts (38), and the two bolts (38) are threadedly connected with the top end of the conveying pipeline (1) penetrating through the top cover (37).
7. The plastic processing off-gas extraction apparatus according to claim 1, characterized by: The rotating groove (24) is irregular cylindrical, the shape of the rotating groove (24) is matched with the shape of the rotating plate (25), and the directions of the two rotating plates (25) are opposite.