Bag falling device for powder continuous conveying
By designing a jacket to tightly fit the material bag with the outlet of the discharge valve, a closed environment for powder discharge is achieved, solving the problem of dust generation during powder discharge and improving the safety of the working environment.
Patent Information
- Application Number
- CN202520571888.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-27
AI Technical Summary
The existing powder unloading process is prone to dust generation, which affects the health of workers.
A bag-dropping device including a discharge valve and a bag is designed. The bag mouth is clamped tightly to the outlet of the discharge valve by a jacket to achieve powder discharge in a closed environment. The clamping drive component controls the closing and opening of the jacket to ensure that the powder drops into the bag in a closed environment.
It effectively prevents powder dust, improves the safety of the working environment, ensures that the powder unloading process is carried out under closed conditions, and reduces the impact on the health of workers.
Smart Images
Figure CN223822881U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to powder falling bag device technical field, specifically related to a kind of for powder continuous conveying's falling bag device. BACKGROUND
[0002] In prior art, blade discharge valve is often used as powder discharge falling bag device, the bag is sleeved on the blade discharge valve outlet, the blade discharge valve inlet is connected with powder feeding port, and the powder is discharged by the turning of blade discharge valve blade, so as to avoid powder caking. Because powder is easily carried by air flow, dust is easily raised between the blade discharge valve outlet and the bag opening during powder discharge, the surrounding environment is poor, and it is easily inhaled into the body by workers, causing physical health impact. SUMMARY
[0003] The utility model aims at overcoming the shortcomings and deficiencies of prior art, and provides a kind of for powder continuous conveying's falling bag device.
[0004] The technical scheme adopted by the utility model is as follows: a kind of for powder continuous conveying's falling bag device, including discharge valve and bag, the discharge valve inlet is detachably connected with powder feeding port, and the bag opening is sleeved on the discharge valve outlet,
[0005] It also includes a jacket located on the periphery of the discharge valve outlet, the jacket has a clamping state of clamping the periphery of the bag opening to tightly fit the inner periphery of the bag opening with the outer periphery of the discharge valve outlet, and an open state of moving away from the periphery of the bag opening to have a gap between the inner periphery of the bag opening and the outer periphery of the discharge valve outlet.
[0006] Preferably, it also includes a clamping drive assembly, the clamping drive assembly includes a first connecting arm, a second connecting arm, a first fixed bracket and a first telescopic cylinder, the first fixed bracket is fixed on the valve body of the discharge valve,
[0007] The jacket includes a left clamping ring portion and a right clamping ring portion arranged opposite to each other,
[0008] The first connecting arm and the second connecting arm are arranged opposite to each other, and the upper ends of both are hingedly connected to the first fixed bracket, the lower end of the first connecting arm is fixedly connected to the left clamping ring portion, and the lower end of the second connecting arm is fixedly connected to the right clamping ring portion,
[0009] The fixed end and the driving end of the first telescopic cylinder are hingedly connected to the middle part of the first connecting arm and the middle part of the second connecting arm respectively,
[0010] The first connecting branch and the second connecting branch are rotatable relative to the hinge points of the first fixed support at the first telescopic cylinder driving end, and have a first position in which the left clamping ring part and the right clamping ring part are closed into a ring to clamp the outer periphery of the bag opening of the material bag, and a second position in which the left clamping ring part and the right clamping ring part are separated to allow a gap between the inner periphery of the bag opening of the material bag and the outer periphery of the outlet of the material unloading valve.
[0011] Preferably, the left clamping ring part comprises a left half ring and a left connecting horizontal part at both ends of the left half ring, and the right clamping ring part comprises a right half ring and a right connecting horizontal part at both ends of the right half ring.
[0012] When the first connecting branch and the second connecting branch are at the first position, the left connecting horizontal part and the corresponding right connecting horizontal part are tightly fitted to form a closure.
[0013] Preferably, the left connecting horizontal part and the right connecting horizontal part comprise a first protruding strip and a second protruding strip at the opposite end faces, and when the first connecting branch and the second connecting branch are at the first position, the first protruding strip and the second protruding strip are tightly fitted.
[0014] Preferably, the corresponding end faces of the first protruding strip and the second protruding strip are convex curved surfaces.
[0015] Preferably, the clamping driving assembly is provided with two groups and is located at opposite sides of the valve body of the material unloading valve.
[0016] Preferably, the material unloading valve is further fixed on a mobile vehicle.
[0017] Preferably, an air control valve is fixed on the mobile vehicle, and the air control valve is connected with the first telescopic cylinder and drives the telescopic movement of the first telescopic cylinder.
[0018] Preferably, the utility model further comprises a material cylinder for placing the material bag and a weighing assembly at the bottom of the material cylinder.
[0019] When material needs to be discharged, the material bag is sleeved at the outlet of the blade material unloading valve, the sleeve is clamped to the clamped state of the material bag, the material unloading valve is opened, and the material is discharged in a closed environment, thereby solving the problem of dust raising during the process of discharging the powder into the bag. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the utility model.
[0021] Fig. 1The utility model discloses an overall structure front view of the embodiment of the utility model;
[0022] Fig. 2 The utility model discloses a clamping sleeve and clamping drive assembly structure front view of the clamping sleeve in the clamping state of the embodiment of the utility model,
[0023] Fig. 3 The utility model discloses a clamping sleeve and clamping drive assembly structure front view of the clamping sleeve in the open state of the embodiment of the utility model,
[0024] Fig. 4 The utility model discloses a plan view structure diagram of the clamping sleeve in the clamping state in the embodiment of the utility model,
[0025] In the drawing, 1, unloading valve;2, material bag;4, mobile car;5, pneumatic control valve;6, material cylinder;7, weighing assembly;31, clamping sleeve;32, first connecting branch;33, second connecting branch;34, first fixed support;35, first telescopic pneumatic cylinder;311, left clamping ring part;312, right clamping ring part;3111, left half ring;3112, left connecting horizontal part;3121, right half ring;3122, right connecting horizontal part;31121, first convex strip;31221, second convex strip. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantage of the utility model more clear, the utility model will be described in further detail below with the drawings.
[0027] It should be noted that all the expressions of "first" and "second" in the embodiment of the utility model are used to distinguish two same name different entities or different parameters, and the "first" and "second" are only for the convenience of expression, and should not be understood as the limitation of the embodiment of the utility model, and the subsequent embodiments will not be described one by one.
[0028] The direction and position language mentioned in the utility model, for example, "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side" and the like, are only the direction or position of the drawing. Therefore, the direction and position language is used to explain and understand the utility model, and is not limited to the protection scope of the utility model.
[0029] As Figs. 1 to 4 As shown in the utility model embodiment, a kind of bag falling device for powder continuous conveying, including unloading valve 1 and material bag 2, the inlet of the unloading valve 1 is detachably connected with powder feed inlet, the bag mouth of material bag 2 is set in the outlet of unloading valve 1,
[0030] Further comprising a clamping sleeve 31 located at the periphery of the outlet of the discharge valve 1, the clamping sleeve 31 has a clamping state of clamping the periphery of the bag opening of the bag 2 to make the inner periphery of the bag opening of the bag 2 closely fit the periphery of the outlet of the discharge valve 1 and an open state of moving away from the periphery of the bag opening of the bag 2 to make the inner periphery of the bag opening of the bag 2 have a gap with the periphery of the outlet of the discharge valve 1.
[0031] Through the arrangement, when discharging is needed, the bag is sleeved at the outlet of the blade discharge valve, the clamping sleeve is in the clamping state of clamping the bag, the discharge valve is opened, and the discharging is carried out in a closed environment, so that the problem of dust raising during the powder discharging into the bag is solved; after the discharging is completed, the discharge valve is closed, the clamping sleeve is switched to the open state, the clamping sleeve is loosened from the bag opening, and the bag can be taken off. In the embodiment, the discharge valve is specifically a blade discharge valve.
[0032] Further comprising a clamping driving assembly, the clamping driving assembly comprises a first connecting arm 32, a second connecting arm 33, a first fixed support 34, and a first telescopic cylinder 35, the first fixed support 34 is fixed to the valve body of the discharge valve 1,
[0033] The clamping sleeve 31 comprises oppositely arranged left and right clamping ring parts 311 and 312,
[0034] The first connecting arm 32 and the second connecting arm 33 are oppositely arranged, and the upper ends of the two are hingedly connected to the first fixed support 34, the lower end of the first connecting arm 32 is fixedly connected to the left clamping ring part 311, and the lower end of the second connecting arm 33 is fixedly connected to the right clamping ring part 312,
[0035] The fixed end and the driving end of the first telescopic cylinder 35 are hingedly connected to the middle part of the first connecting arm 32 and the middle part of the second connecting arm 33 respectively,
[0036] The first connecting arm 32 and the second connecting arm 33 can rotate relative to the hinged points of the first fixed support 34 under the telescopic action of the driving end of the first telescopic cylinder 35, and have a first position of the left clamping ring part 311 and the right clamping ring part 312 being closed to form a ring to clamp the periphery of the bag opening of the bag 2 so that the inner periphery of the bag opening of the bag 2 closely fits the periphery of the outlet of the discharge valve 1 and a second position of the left clamping ring part 311 and the right clamping ring part 312 being separated to make the inner periphery of the bag opening of the bag 2 have a gap with the periphery of the outlet of the discharge valve 1.
[0037] Through the arrangement, the first connecting arm and the second connecting arm are driven to rotate by the telescopic action of the driving end of the first telescopic cylinder, the closing and separation of the left and right clamping rings are realized, and whether the clamping sleeve clamps the bag opening is controlled, so that the automatic control is reliable and the operation is convenient.
[0038] The left clamping ring part 311 comprises a left half ring 3111 and a left connecting horizontal part 3112 at both ends of the left half ring 3111, and the right clamping ring part 312 comprises a right half ring 3121 and a right connecting horizontal part 3122 at both ends of the right half ring 3121,
[0039] When the first connecting arm 32 and the second connecting arm 33 are in the first position, the left connecting horizontal part 3112 and the corresponding right connecting horizontal part 3122 are tightly fitted to form a closure.
[0040] Through the arrangement, the left and right connecting horizontal parts increase the length of the left and right half rings in the first position, thereby improving the stability of the closure.
[0041] The left connecting horizontal part 3112 and the right connecting horizontal part 3122 comprise a first protruding strip 31121 and a second protruding strip 31221 at the opposite end faces, and when the first connecting arm 32 and the second connecting arm 33 are in the first position, the first protruding strip 31121 and the second protruding strip 31221 are tightly fitted.
[0042] Through the arrangement, the first protruding strip and the second protruding strip can make the stress more concentrated when the left and right half rings are fitted, thereby improving the sealing effect.
[0043] The corresponding end faces of the first protruding strip 31121 and the second protruding strip 31221 are convex curved surfaces.
[0044] Through the arrangement, the convex curved surfaces can further strengthen the stress concentration when fitted, thereby improving the sealing effect.
[0045] The clamping driving assembly is provided with two groups and is located at opposite sides of the valve body of the discharge valve 1.
[0046] Through the arrangement, the stability of the closure / separation of the left clamping ring part and the right clamping ring part is improved.
[0047] The mobile vehicle 4 is further provided.
[0048] Through the arrangement, when discharging is needed, the discharging device can be moved to the target position by moving the position of the mobile vehicle, thereby realizing the transfer of the working area.
[0049] The mobile vehicle 4 is further provided.
[0050] The material cylinder 6 for placing the material bag 2 and the weighing assembly 7 at the bottom of the material cylinder 6 are further provided.
[0051] Through the arrangement, the weighing assembly can be accurately weighed, and the weighing assembly can be a weighing scale.
[0052] The above disclosed is only the preferred embodiment of the present application, of course, cannot be limited by this to limit the scope of the present application, therefore, the equivalent changes made according to the present application claims, still belong to the scope covered by the present application.
Claims
1. A bag-feeding device for continuous powder conveying, comprising a discharge valve (1) and a bag (2), wherein the inlet of the discharge valve (1) is detachably connected to the powder feed inlet, and the bag opening of the bag (2) is fitted outside the outlet of the discharge valve (1), characterized in that: It also includes a jacket (31) located on the outer periphery of the outlet of the discharge valve (1), the jacket (31) having a clamped state in which the inner periphery of the bag mouth of the bag (2) is tightly fitted with the outer periphery of the bag mouth of the bag (2) and the outer periphery of the outlet of the discharge valve (1), and an open state in which the inner periphery of the bag mouth of the bag (2) is far away from the outer periphery of the bag mouth of the bag (2) and there is a gap between the inner periphery of the bag mouth of the bag (2) and the outer periphery of the outlet of the discharge valve (1); It also includes a clamping drive assembly, which includes a first connecting arm (32), a second connecting arm (33), a first fixed bracket (34), and a first telescopic cylinder (35). The first fixed bracket (34) is fixed to the valve body of the unloading valve (1). The sleeve (31) includes a left clamping ring (311) and a right clamping ring (312) disposed opposite to each other. The first connecting arm (32) and the second connecting arm (33) are arranged opposite to each other, and their upper ends are both hinged to the first fixed bracket (34). The lower end of the first connecting arm (32) is fixedly connected to the left clamping ring (311), and the lower end of the second connecting arm (33) is fixedly connected to the right clamping ring (312). The fixed end and the driving end of the first telescopic cylinder (35) are respectively hinged to the middle of the first connecting arm (32) and the middle of the second connecting arm (33). The first connecting arm (32) and the second connecting arm (33) can rotate relative to their respective hinge points with the first fixed bracket (34) under the extension and retraction of the first telescopic cylinder (35). They have a first position where the left clamping ring (311) and the right clamping ring (312) close into a ring to clamp the outer periphery of the bag mouth (2) so that the inner periphery of the bag mouth (2) is closely attached to the outer periphery of the discharge valve (1) outlet, and a second position where the left clamping ring (311) and the right clamping ring (312) separate so that there is a gap between the inner periphery of the bag mouth (2) and the outer periphery of the discharge valve (1) outlet.
2. The bag-dropping device for continuous powder conveying according to claim 1, characterized in that: The left clamping ring (311) includes a left half ring (3111) and a left connecting horizontal part (3112) located at both ends of the left half ring (3111). The right clamping ring (312) includes a right half ring (3121) and a right connecting horizontal part (3122) located at both ends of the right half ring (3121). When the first connecting arm (32) and the second connecting arm (33) are in the first position, the left connecting horizontal part (3112) and the corresponding right connecting horizontal part (3122) abut against each other to form a closure.
3. A bag-dropping device for continuous powder conveying according to claim 2, characterized in that: The left connecting horizontal part (3112) and the right connecting horizontal part (3122) include a first protrusion (31121) and a second protrusion (31221) located on their respective opposite end faces. When the first connecting arm (32) and the second connecting arm (33) are in the first position, the first protrusion (31121) and the second protrusion (31221) are pressed together.
4. A bag-dropping device for continuous powder conveying according to claim 3, characterized in that: The corresponding end faces of the first convex strip (31121) and the second convex strip (31221) are convex curved surfaces.
5. A bag-dropping device for continuous powder conveying according to claim 1, characterized in that: The clamping drive assembly is provided in two sets and is located on opposite sides of the unloading valve (1) valve body.
6. A bag-feeding device for continuous powder conveying according to any one of claims 1-5, characterized in that: It also includes a mobile vehicle (4), on which the unloading valve (1) is fixed.
7. A bag-dropping device for continuous powder conveying according to claim 6, characterized in that: The mobile vehicle (4) is equipped with a pneumatic control valve (5), which is connected to the first telescopic cylinder (35) and drives it to extend and retract.
8. A bag-feeding device for continuous powder conveying according to any one of claims 1-5, characterized in that: It also includes a material cylinder (6) for placing the material bag (2) and a weighing component (7) located at the bottom of the material cylinder (6).