Stable and controllable auxiliary sieving discharging structure

Abstract

The utility model particularly relates to a stable and controllable auxiliary screening discharging structure which comprises a charging barrel, a conical hopper is arranged at the bottom of the charging barrel, a screen is arranged in the charging barrel, a butterfly valve is arranged at a discharging port of the conical hopper and comprises a butterfly plate, and a swing jacking piece in linkage fit with the butterfly plate is obliquely arranged on the upper end face of the butterfly plate. Opening and closing of the butterfly plate relative to the discharge port of the conical hopper are realized by controlling rotation of the butterfly plate, and the swinging jacking piece is driven to rotate to jack the screen. When the butterfly valve controls the discharge port of the conical hopper to be opened and closed, the swing top contact piece and the butterfly plate form linkage fit, the swing top contact piece rotates to top the screen and damage a bridge structure of materials above the screen, so that the materials fall smoothly, the bridge breaking effect is good, the safety is high, meanwhile, the rotating angle of the butterfly plate is stable and controllable, and the service life is long. And the rotating angle of the butterfly plate can be flexibly adjusted according to specific conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to a discharge structure technical field, concretely relates to a stable controllable auxiliary screening discharge structure. BACKGROUND

[0002] In industrial production, generally needs the blanking device to carry out the preliminary crushing or screening to material, especially before the powder or granular material processing, generally will disperse evenly material in the hopper, to avoid the influence of the agglomeration to the later processing.

[0003] The general structure's material screening processing device is set up in combination to the hopper and screen cloth, carries out the preliminary processing to material. But when adding too much or too fast, the bridge of material is easy to form on the screen, if not destroying the bridge structure of material, under the normal weight, cannot make material fall, will be accumulated on the screen, influences screening and discharge effect, and when using the electric vibration device to destroy the bridge of powder material, the electric vibration device is easy to adsorb the powder material, causes the security hidden danger.

[0004] Therefore, it is urgent to provide a kind of safety, stable controllable auxiliary screening structure. INVENTION CONTENTS

[0005] The utility model aims at overcoming the shortcomings and deficiencies of prior art, and provides a kind of stable controllable auxiliary screening discharge structure.

[0006] The technical scheme adopted by the utility model is as follows: a kind of stable controllable auxiliary screening discharge structure, including cylinder, the conical hopper is arranged at the bottom of the cylinder, the screen cloth is arranged in the cylinder,

[0007] The butterfly valve is provided at the discharge port of the conical hopper, the butterfly valve includes a butterfly plate, the upper end surface of the butterfly plate is inclined to form a linkage with the swing top contact, and the swing top contact is driven to rotate the screen by controlling the rotation of the butterfly plate to open and close the discharge port of the conical hopper.

[0008] Preferably, the inner wall of the cylinder is fixed with a horizontally arranged mounting seat assembly, and the outer end of the screen is connected to the mounting seat assembly and the mounting seat assembly limits the up-down movement of the screen.

[0009] Preferably, the mounting seat assembly includes a mounting ring seat and a positioning stopper,

[0010] The mounting ring seat includes a first ring part connected to the inner wall of the cylinder and a second ring part connected to the inner periphery of the lower end of the first ring part, and the inner periphery size of the first ring part is matched with the outer periphery size of the screen.

[0011] The positioning stopper is detachably fixed on the first ring part, and the screen is located between the lower end surface of the positioning stopper and the upper end surface of the second ring part.

[0012] Preferably, the second ring part upper end is provided with a second mounting groove, and a second elastic piece is arranged in the second mounting groove, and the upper end of the second elastic piece is located outside the second mounting groove in a natural state and abuts against the lower end ring surface of the screen.

[0013] Preferably, the second mounting groove is trapezoidal in cross section, and the second elastic piece comprises a second elastic limiting part and a second elastic abutting part,

[0014] The second elastic limiting part is located in the second mounting groove and is adapted to the shape of the second mounting groove, and the second elastic abutting part is semispherical and the upper end arc surface thereof abuts against the lower end ring surface of the screen.

[0015] Preferably, the positioning block lower end is provided with a first mounting groove, and a first elastic piece is arranged in the first mounting groove, and the lower end of the first elastic piece is located outside the first mounting groove in a natural state and abuts against the upper end ring surface of the screen.

[0016] Preferably, the first mounting groove is trapezoidal in cross section, and the first elastic piece comprises a first elastic limiting part and a first elastic abutting part,

[0017] The first elastic limiting part is located in the first mounting groove and is adapted to the shape of the first mounting groove, and the first elastic abutting part is semispherical and the lower end arc surface thereof abuts against the upper end ring surface of the screen.

[0018] Preferably, the positioning block is radially provided with a positioning through hole, the first ring part is provided with a vertically extending strip-shaped guide groove corresponding to the position of the positioning through hole, a positioning screw is arranged in the positioning through hole, and the tail end of the positioning screw passes through the positioning through hole and enters the strip-shaped guide groove,

[0019] The strip-shaped guide groove is gap-fitted with the tail end of the positioning screw, and the upper end surface thereof is lower than the highest floating height of the screen.

[0020] Preferably, the top end of the strip-shaped guide groove is connected with an auxiliary block matched with the positioning screw through a spring.

[0021] Preferably, the upper end part of the swing top contact piece is paddle-shaped, and the paddle surface is not coplanar with the swing direction of the swing top contact piece.

[0022] The beneficial effects of the utility model are as follows: the butterfly valve controls the opening and closing of the cone hopper discharge port, the swing top contact piece is linked with the butterfly plate, the butterfly plate rotates to rotate the top contact screen, the bridge structure of the material above the screen is destroyed, the material falls smoothly, the bridge breaking effect is good, and the safety is high; meanwhile, the rotation angle of the butterfly plate is stable and controllable, and the rotation angle of the butterfly plate can be flexibly adjusted according to specific conditions. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0024] Figure 1 It is a front view structure diagram of the embodiment of the present application.

[0025] Figure 2 It is a side view structure diagram of the embodiment of the present application.

[0026] Figure 3 It is Figure 2 It is a structure enlarged view of A in the middle.

[0027] Figure 4 It is Figure 3 It is a structure enlarged view of B in the middle.

[0028] Figure 5 It is Figure 3 It is a structure enlarged view of C in the middle.

[0029] In the figure, 1, barrel; 2, cone hopper; 3, screen; 4, butterfly valve; 5, swing top contact; 41, butterfly plate; 61, mounting ring part; 62, positioning stop block; 611, first ring part; 612, second ring part; 613, second mounting groove; 614, second elastic member; 615, strip-shaped guide groove; 616, spring; 617, auxiliary block; 621, first mounting groove; 622, first elastic member; 623, positioning through hole; 624, positioning screw; 6141, second elastic limiting part; 6142, second elastic abutting part; 6221, first elastic limiting part; 6222, first elastic abutting part. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will further describe the present application in combination with the drawings.

[0031] It should be noted that all the expressions of "first" and "second" in the embodiments of the present application are used to distinguish two same name non-same entities or non-same parameters, and it can be seen that "first" and "second" are only for the convenience of description, and should not be understood as the limitation of the embodiments of the present application, and the subsequent embodiments will not be described one by one.

[0032] The directional and positional terms used in this utility model, such as "up," "down," "front," "back," "left," "right," "inner," "outer," "top," "bottom," and "side," are merely for reference to the accompanying drawings. Therefore, the directional and positional terms used are for the purpose of explaining and understanding this utility model, and not for limiting the scope of protection of this utility model.

[0033] like Figures 1 to 5 As shown in the figure, a stable and controllable auxiliary screening and discharge structure is provided in an embodiment of this utility model, including a material cylinder 1, a conical hopper 2 provided at the bottom of the material cylinder 1, and a screen 3 provided inside the material cylinder 1.

[0034] A butterfly valve 4 is provided at the discharge port of the cone hopper 2. The butterfly valve 4 includes a butterfly plate 41. The upper end surface of the butterfly plate 41 is inclined with a swinging top contact 5 that forms a linkage with it. By controlling the rotation of the butterfly plate 41, the butterfly plate 41 is opened and closed relative to the discharge port of the cone hopper 2, and the swinging top contact 5 is driven to rotate with it and touch the screen 3.

[0035] With this setting, while the butterfly valve controls the opening and closing of the cone bucket discharge port, the swing top contact component and the butterfly plate work together in a linkage. As it rotates, it touches the screen, breaking the bridging structure of the material above the screen, allowing the material to fall smoothly. It has a good bridging effect and high safety. At the same time, the rotation angle of the butterfly plate is stable and controllable, and the rotation angle of the butterfly plate can be flexibly adjusted according to specific conditions.

[0036] The inner wall of the material cylinder 1 is fixed with a horizontally arranged mounting base assembly, and the outer end of the screen 3 is connected to the mounting base assembly, which restricts the screen 3 from moving up and down.

[0037] This setting improves the stability of the screen position connection, making it less likely to deviate from its original installation position due to the top contact of the swinging top contact component.

[0038] The mounting bracket assembly includes a mounting ring seat 61 and a positioning stop 62.

[0039] The mounting ring seat 61 includes a first ring portion 611 connected to the inner wall of the material cylinder 1 and a second ring portion 612 connected to the inner circumference of the lower end of the first ring portion 611. The inner circumference size of the first ring portion 611 is adapted to the outer circumference size of the screen.

[0040] The positioning block 62 is detachably fixed to the first ring portion 611, and the screen 3 is located between the lower end face of the positioning block 62 and the upper end face of the second ring portion 612.

[0041] This design improves the ease of assembling and disassembling the screen. Simply place the screen on the mounting ring and then install the positioning block to complete the installation and set upper and lower limits for the screen.

[0042] The positioning block can be a small block that locally positions the screen, or can be an annular block that cooperates with the outer ring surface of the upper end of the screen.

[0043] The second ring part 612 is provided with a second installation groove 613 at the upper end, and a second elastic member 614 is arranged in the second installation groove 613, which is in abutting cooperation with the ring surface of the lower end of the screen 3 in a natural state.

[0044] Through the arrangement, the screen has a certain downward and return distance because the second elastic member is compressible, the second elastic member provides a buffer during the return of the screen after being touched by the swing touch member, improves the stability of the screen connection, and the screen is not easy to be damaged. The second elastic member is an elastic sealing ring made of rubber, polytetrafluoroethylene, or polyurethane.

[0045] The second installation groove 613 is trapezoidal in cross section, and the second elastic member 614 includes a second elastic limiting part 6141 and a second elastic abutting part 6142.

[0046] The second elastic limiting part 6141 is located in the second installation groove 613 and is adapted to the shape of the second installation groove 613, and the second elastic abutting part 6142 is semispherical and has an upper end arc surface that is in abutting cooperation with the ring surface of the lower end of the screen 3.

[0047] Through the arrangement, the stability of the second elastic member connected in the second installation groove is improved, and the second elastic member is not easy to be dislocated.

[0048] The positioning block 62 is provided with a first installation groove 621 at the lower end, and a first elastic member 622 is arranged in the first installation groove 621, which is in abutting cooperation with the ring surface of the upper end of the screen 3 in a natural state.

[0049] Through the arrangement, the screen has a certain upward and return distance because the first elastic member is compressible, the first elastic member provides a buffer and assists the return of the screen during the upward movement of the screen after being touched by the swing touch member, improves the stability of the screen connection, and the screen is not easy to be damaged. The first elastic member is an elastic sealing ring made of rubber, polytetrafluoroethylene, or polyurethane.

[0050] The first installation groove 621 is trapezoidal in cross section, and the first elastic member 622 includes a first elastic limiting part 6221 and a first elastic abutting part 6222.

[0051] The first elastic limiting part 6221 is located in the first installation groove 621 and is adapted to the shape of the first installation groove 621, and the first elastic abutting part 6222 is semispherical and has a lower end arc surface that is in abutting cooperation with the ring surface of the upper end of the screen 3.

[0052] Through the arrangement, the stability of the first elastic member connected to the first mounting groove is improved, and the first elastic member is not easy to be dislocated.

[0053] The positioning block 62 is radially penetrated by a positioning through hole 623, the first ring part 611 is provided with a vertically extending strip-shaped guide slot 615 corresponding to the position of the positioning through hole 623, the positioning through hole 623 is penetrated by a positioning screw 624, the tail end of the positioning screw 624 penetrates the positioning through hole 623 and enters the strip-shaped guide slot 615,

[0054] The strip-shaped guide slot 615 is in clearance fit with the tail end of the positioning screw 624, and the upper end surface is lower than the highest floating height of the screen 3.

[0055] Through the arrangement, the strip-shaped guide slot provides a certain floating space for the screen to be moved upward by the swing top contact, and damage of the swing top contact to the screen is avoided.

[0056] The tail end of the strip-shaped guide slot 615 is connected with an auxiliary block 617 matched with the positioning screw 624 through a spring 616.

[0057] Through the arrangement, the auxiliary block connected with the spring is matched with the positioning screw to be lifted, and the stability of the screen floating is improved.

[0058] The upper end part of the swing top contact 5 is paddle-shaped, and the paddle surface is not coplanar with the swing direction of the swing top contact 5.

[0059] Through the arrangement, the contact surface of the swing top contact with the filter screen and the material filtered by the filter screen can be improved.

[0060] The above only discloses the preferred embodiment of the utility model, and of course cannot limit the right range of the utility model, therefore, the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A stable and controllable auxiliary screening discharge structure, comprising a barrel (1), a hopper (2) arranged at the bottom of the barrel (1), and a screen (3) arranged in the barrel (1), characterized in that: a butterfly valve (4) is arranged at the discharge port of the hopper (2), the butterfly valve (4) comprises a butterfly plate (41), the upper end surface of the butterfly plate (41) is inclined and has a swing top contact (5) in linkage cooperation, and the swing top contact (5) is used for top contacting the screen (3) by rotating the butterfly plate (41) to realize the opening and closing of the butterfly plate (41) relative to the discharge port of the hopper (2) and drive the swing top contact (5) to rotate with the butterfly plate (41); a horizontally arranged mounting seat assembly is fixed to the inner wall of the barrel (1), and the outer end of the screen (3) is connected to the mounting seat assembly and the mounting seat assembly limits the up-down movement of the screen (3); the mounting seat assembly comprises a mounting ring seat (61) and a positioning stop block (62), the mounting ring seat (61) comprises a first ring part (611) connected to the inner wall of the barrel (1) and a second ring part (612) connected to the inner periphery of the lower end of the first ring part (611), and the inner periphery size of the first ring part (611) is matched with the outer periphery size of the screen; the positioning stop block (62) is detachably fixed to the first ring part (611), and the screen (3) is located between the lower end surface of the positioning stop block (62) and the upper end surface of the second ring part (612); a second mounting groove (613) is arranged at the upper end of the second ring part (612), and a second elastic element (614) is arranged in the second mounting groove (613) and in abutting cooperation with the lower end ring surface of the screen (3) in a natural state. the second mounting groove (613) has a trapezoidal cross section with a small upper end and a large lower end, the second elastic element (614) comprises a second elastic limiting part (6141) and a second elastic abutting part (6142), 2. A stable and controllable auxiliary sifting and discharging structure according to claim 1, characterized in that: the second elastic limiting part (6141) is located in the second mounting groove (613) and matched with the shape of the second mounting groove (613), and the second elastic abutting part (6142) is in the form of a hemisphere and has an upper end arc surface in abutting cooperation with the lower end ring surface of the screen (3). a first mounting groove (621) is arranged at the lower end of the positioning stop block (62), and a first elastic element (622) is arranged in the first mounting groove (621) and in abutting cooperation with the upper end ring surface of the screen (3) in a natural state.

3. A stable and controllable auxiliary sifting and discharging structure according to claim 1, characterized in that: the first mounting groove (621) has a trapezoidal cross section with a large upper end and a small lower end, the first elastic element (622) comprises a first elastic limiting part (6221) and a first elastic abutting part (6222), 4. A stable and controllable assisted sieving and outfeed structure according to claim 3, wherein: the first elastic limiting part (6221) is located in the first mounting groove (621) and matched with the shape of the first mounting groove (621), and the first elastic abutting part (6222) is in the form of a hemisphere and has a lower end arc surface in abutting cooperation with the upper end ring surface of the screen (3). ​ 5. A stable and controllable assisted sieving and outfeed structure according to claim 1, characterized in that: The positioning block (62) is radially penetrated by a positioning through hole (623), the first ring part (611) is provided with a vertically extending strip-shaped guide slot (615) corresponding to the position of the positioning through hole (623), the positioning through hole (623) is penetrated by a positioning screw (624), the tail end of the positioning screw (624) penetrates the positioning through hole (623) and enters the strip-shaped guide slot (615), The strip-shaped guide slot (615) is in clearance fit with the tail end of the positioning screw (624), and the upper end surface thereof is lower than the highest floating height of the screen (3).

6. A stable, controllable, assisted sieving and outfeed structure according to claim 5, wherein: The top end of the strip-shaped guide slot (615) is connected with an auxiliary block (617) in cooperation with the positioning screw (624) through a spring (616).

7. A stable and controllable assisted sieving and outfeed structure according to any one of claims 1 to 6, wherein: The upper end part of the swing top contact (5) is paddle-shaped, and the paddle surface is not coplanar with the swing direction of the swing top contact (5).

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