CN116373122A

CN116373122A - Anti-blocking device for concrete discharge hole

Info

Publication number: CN116373122A
Application number: CN202310457920.5A
Authority: CN
Inventors: 刘博�
Original assignee: Taiyuan Wanbo Jiantai Concrete Co ltd
Current assignee: Taiyuan Wanbo Jiantai Concrete Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-07-04

Abstract

The application relates to a concrete discharge gate prevents stifled device, it includes the frame, sets up discharge gate in the frame, coaxial setting in the outer unloading cover of discharge gate and drive unloading cover pivoted actuating mechanism, the unloading cover rotates the lower extreme that sets up in the discharge gate, actuating mechanism is including setting up the driving piece in the frame, setting up gear and the coaxial ring gear that is fixed in on the unloading cover outer wall on the free end of driving piece, the ring gear can with gear engagement. The blanking sleeve rotates continuously in the process of blanking the concrete, so that the blanking sleeve and the concrete are in relative positions, the concrete is not easy to adhere to the inner wall of the blanking sleeve and is prevented from moving, and the downward movement process of the concrete is not easy to influence.

Description

Anti-blocking device for concrete discharge hole

Technical Field

The application relates to the technical field of concrete mixers, in particular to an anti-blocking device for a concrete discharge hole.

Background

In the process of preparing concrete, different kinds of materials are usually required to be stirred and premixed, the materials after dizziness and mixing are collected to a discharge hole at the lower end of a storage bin under the action of gravity, and then are discharged through the discharge hole.

However, due to the fact that the materials have certain viscosity, after the materials are discharged from the discharge hole, part of the materials are adhered to the inner wall of the discharge hole, the materials can be blocked by the materials adhered to the inner wall of the discharge hole in the subsequent discharging process, and accordingly the falling speed of the materials is affected, and the discharge hole is blocked. And after the discharge gate is blocked, need to insert the mediation strip in the discharge gate and carry out artifical mediation to lead to whole ejection of compact efficiency decline.

It is therefore necessary to propose a new solution to the above-mentioned problems.

Disclosure of Invention

In order to be difficult for producing the jam at the in-process of concrete unloading, this application provides a concrete discharge gate anti-blocking device.

The application provides a concrete discharge gate prevents stifled device adopts following technical scheme:

the utility model provides a concrete discharge gate anti-blocking device, includes the frame, sets up discharge gate in the frame, coaxial setting in the outer unloading cover of discharge gate and drive unloading cover pivoted actuating mechanism, the unloading cover rotates and sets up in the lower extreme of discharge gate, actuating mechanism is including setting up the driving piece in the frame, set up gear and the coaxial ring gear that is fixed in on the unloading cover outer wall on the free end of driving piece, the ring gear can with gear engagement.

Through adopting above-mentioned technical scheme, the unloading cover constantly rotates at the in-process of concrete unloading to produce relative position between messenger's unloading cover and the concrete, make the concrete be difficult for adhering to on the unloading cover inner wall and be hindered the removal, thereby make the downward moving process of concrete be difficult for receiving the influence.

Optionally: the inner wall of the blanking sleeve is axially provided with a plurality of guide strips, the guide strips are spirally arranged, and the upper ends of the spiral lines of the guide strips face the rotating direction of the blanking sleeve.

Through adopting above-mentioned technical scheme, utilize the gib to apply perpendicular to gib and decurrent power to the concrete that gets into the unloading cover inside to make the concrete receive more decurrent power, make the concrete more easily move downwards, also can drive the concrete simultaneously and produce the rotation along unloading cover direction, and produce decurrent vortex when the concrete receives gravity, make the concrete more easily flow downwards, reduce the production of jam.

Optionally: the inner wall upper end circumference of unloading cover is provided with a plurality of puddler, the puddler upper end is inserted in the discharge gate, the puddler can with the inner wall butt of discharge gate.

Through adopting above-mentioned technical scheme, utilize the puddler to drive the concrete that is located the discharge gate and produce and rotate to make the concrete be difficult for producing the adhesion with the discharge gate inner wall, make the unloading process of concrete more smooth and easy.

Optionally: the stirring rod is in a spiral arrangement, and the upper end of the spiral line of the stirring rod faces the rotation direction of the blanking sleeve.

Through adopting above-mentioned technical scheme, utilize the puddler that the dust spiral set up to exert decurrent power to the concrete to make the concrete more easily flow downwards and be difficult for producing the jam.

Optionally: reinforcing pieces are arranged between the adjacent stirring rods and can be attached to the inner wall of the blanking sleeve.

Through adopting above-mentioned technical scheme, utilize the intensity of reinforcement reinforcing puddler, make puddler self be difficult for producing deformation when receiving the inside boring striking of concrete to make the puddler be difficult for receiving the stirring of concrete influence.

Optionally: still be provided with the vibration mechanism that drives the vibration of drive discharge gate in the frame, vibration mechanism includes that circumference sets up the striking pole on the discharge gate outer wall and is fixed in the actuating lever on the unloading cover outer wall, be provided with the elastic component of its one end of drive and discharge gate outer wall butt on the striking pole, the actuating lever can keep away from the discharge gate with the one end butt that the discharge gate outer wall was kept away from to the striking pole and promote the one end that the striking pole is close to the discharge gate and keep away from the discharge gate.

Through adopting above-mentioned technical scheme, utilize to strike the pole and apply vibrations to the discharge gate to make the concrete be difficult for adhering to on the inner wall of discharge gate, the downhill movement of concrete is difficult for receiving the hindrance in the in-process of concrete unloading, thereby make the unloading process of concrete remain stable.

Optionally: the tapping rod can be tapped on the outer wall of the tapping ring.

Through adopting above-mentioned technical scheme, make the striking pole can not directly produce the striking with the discharge gate to make the discharge gate be difficult for producing deformation by itself under the circumstances that receives vibrations, make the rotation of puddler be difficult for receiving the hindrance, also make the unloading of concrete be difficult for receiving the influence.

Optionally: the machine frame is also provided with a protective sleeve for preventing concrete from splashing, the protective sleeve is coaxially sleeved outside the blanking sleeve, and a gap is reserved between the protective sleeve and the blanking sleeve.

Through adopting above-mentioned technical scheme, when concrete flows out from the unloading cover lower extreme and produces splashing under the effect of the centrifugal force that the unloading cover applyed, utilizes the lag to block the concrete that splashes, makes the concrete can be along the inner wall whereabouts of lag, makes the concrete be difficult for directly producing the influence to the production environment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotary blanking sleeve is utilized to enable the blanking sleeve and the concrete to move relatively, so that the concrete is not easy to adhere to the inner wall of the blanking sleeve, the downward movement of the concrete is not easy to be blocked, and the blanking process of the concrete is not easy to be blocked;

2. the stirring rod and the guide strip which are spiral are arranged to apply oblique downward force to the concrete, so that the concrete is easier to move downwards, and the discharge hole and the blanking sleeve are not easy to be blocked by the concrete.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

fig. 2 is a schematic diagram for showing an internal structure of a discharging sleeve and a discharging hole according to an embodiment of the present application;

fig. 3 is an enlarged view of a portion a of fig. 2.

In the figure, 1, a rack; 11. a protective sleeve; 2. a discharge port; 3. blanking sleeve; 31. a guide bar; 32. a stirring rod; 33. a reinforcing member; 34. a connecting piece; 341. a slip groove; 35. a limiting piece; 36. a limiting block; 4. a driving mechanism; 41. a driving member; 42. a gear; 43. a gear ring; 5. a vibration mechanism; 51. knocking the rod; 52. a driving rod; 53. knocking a hammer; 54. knocking the ring; 55. an elastic member.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The application discloses a concrete discharge gate prevents stifled device, as shown in fig. 1, including frame 1, set up discharge gate 2 on frame 1, coaxial setting in the outer unloading cover 3 of discharge gate 2 and drive unloading cover 3 pivoted actuating mechanism 4. The discharge gate 2 can use the bolt fastening to be on the lower terminal surface of mixer to communicate with the mixer inner chamber, the concrete of the inside completion stirring of mixer can carry out the unloading through discharge gate 2. The blanking sleeve 3 is rotationally connected to the outer wall of the discharge hole 2, and the lower end face of the blanking sleeve 3 is lower than the lower end face of the discharge hole 2. The driving mechanism 4 comprises a driving member 41 arranged on the frame 1, a gear 42 arranged on the free end of the driving member 41, and a gear ring 43 coaxially fixed on the outer wall of the blanking sleeve 3, wherein in the embodiment, the driving member 41 is a motor. The driving piece 41 is fixed on the frame 1 by using bolts, the gear ring 43 can be meshed with the gear 42, so that the driving piece 41 is utilized to drive the blanking sleeve 3 to rotate, concrete in the blanking sleeve 3 can be driven to rotate in the process of rotating the blanking sleeve 3, so that the concrete in the blanking sleeve 3 is subjected to the action of centrifugal force, meanwhile, the concrete in the blanking sleeve 3 can also be subjected to the action of gravity and spirally moves downwards, the blanking of the concrete is accelerated, the material in the blanking sleeve 3 is not easy to be blocked by the material attached to the blanking sleeve 3 in the process of moving the concrete, and the material in the concrete is not easy to be extruded and clamped in the blanking sleeve 3, so that the concrete is not easy to be blocked in the process of blanking.

In order to better drive concrete to move downwards in the process of rotating the blanking sleeve 3, a plurality of guide strips 31 are integrally formed in the circumferential direction of the inner wall of the blanking sleeve 3, the guide strips 31 are in spiral arrangement, the upper ends of spiral lines of the guide strips 31 face the rotating direction of the blanking sleeve 3, and the distance between the side walls of the guide strips 31, which are close to the axis of the blanking sleeve 3, and the axis of the blanking sleeve 3 is greater than the radius of an inner cavity of the discharge hole 2. Therefore, when the concrete enters the blanking sleeve 3 and the blanking sleeve 3 rotates, the guide strip 31 applies a force perpendicular to the side wall of the guide strip 31 facing the rotation direction to the concrete, so that the concrete tends to move obliquely downwards, and the concrete is easier to move downwards and is not easy to block the blanking sleeve 3.

As shown in fig. 2, since the discharge port 2 is fixed relative to the stirring barrel, the concrete still can be blocked when passing through the discharge port 2, so that a plurality of stirring rods 32 are circumferentially arranged at the upper end of the inner wall of the blanking sleeve 3, the upper ends of the stirring rods 32 are inserted into the discharge port 2, and the stirring rods 32 can be kept fit with the inner wall of the discharge port 2. The stirring rod 32 is spirally arranged, and the upper end of the spiral line of the stirring rod 32 faces the rotation direction of the blanking sleeve 3. In the process that the blanking sleeve 3 drives the stirring rod 32 to rotate, the stirring rod 32 applies oblique downward force to the concrete in the discharge hole 2, so that the concrete flows downwards more easily, and meanwhile, the stirring rod 32 scrapes on the inner wall of the discharge hole 2, so that the concrete is not easy to adhere to the inner wall of the discharge hole 2, and the blockage of the concrete to the discharge hole 2 is reduced.

As shown in fig. 2 and 3, since the lower end of the stirring rod 32 is connected to the blanking sleeve 3 only, the stirring rod 32 is easily deformed when being impacted by concrete, thereby affecting the effect of blanking the concrete, the adjacent stirring rods 32 are provided with the reinforcing members 33 for connecting the adjacent stirring rods 32, and the distance between the side wall of the reinforcing member 33 close to the axis of the blanking sleeve 3 and the axis of the blanking sleeve 3 is smaller than the distance between the side wall of the stirring rod 32 close to the axis of the blanking sleeve 3 and the axis of the blanking sleeve 3. The stirring rod 32 is sleeved with a connecting piece 34, the side wall of the connecting piece 34 far away from the axis of the discharge hole 2 is provided with a sliding groove 341, the sliding groove 341 penetrates through the upper end face and the lower end face of the connecting piece 34, the stirring rod 32 is embedded in the sliding groove 341, the connecting piece 34 can vertically slide along the stirring rod 32, and the end parts of the reinforcing pieces 33 are respectively fixed with the connecting pieces 34 which are located at the same height and are arranged on the adjacent stirring rods 32. And a limiting piece 35 limiting the distance between the two reinforcing pieces 33 is further arranged between the adjacent reinforcing pieces 33, the limiting piece 35 is vertically arranged, the end parts of the limiting piece 35 are respectively connected with one reinforcing piece 33, and the distance between the side wall of the limiting piece 35, which is close to the axis of the discharge hole 2, and the axis of the discharge hole 2 is smaller than that between the side wall of the stirring rod 32, which is close to the axis of the discharge hole 2, and the axis of the discharge hole 2. Be provided with a plurality of stopper 36 on the lateral wall that puddler 32 is close to reinforcement 33, stopper 36 set up along the length direction of puddler 32, leave the clearance between the adjacent stopper 36, and connecting piece 34 sets up between adjacent stopper 36 to utilize stopper 36 to guide the travel distance of connecting piece 34, make connecting piece 34 can not break away from on the puddler 32. And when the rotation direction of the stirring rod 32 is different, the connecting piece 34 can also move vertically, so that the concrete on the side wall of the stirring rod 32 facing the rotation direction is scraped off.

As shown in fig. 1, since the stirring rod 32 and the guide bar 31 still have the condition of adhering to the concrete in the process of pushing the concrete to move, the frame 1 is further provided with a vibration mechanism 5 for driving the discharge hole 2 to vibrate, and the vibration mechanism 5 comprises a plurality of knocking rods 51 circumferentially arranged on the outer wall of the discharge hole 2 and a driving rod 52 fixed on the outer wall of the blanking sleeve 3. The knocking rod 51 is horizontally arranged, the middle part of the knocking rod 51 is rotatably connected to the outer wall of the discharge hole 2, and the rotating axis of the knocking rod 51 is vertically arranged. The knocking hammer 53 is arranged at one end of the knocking rod 51, an elastic piece for driving the knocking hammer 53 to rotate towards the discharging hole 2 is further arranged on the knocking rod 51, a torsion spring is selected as the elastic piece 55 in the embodiment, the axis of the torsion spring coincides with that of the knocking rod 51, one end of the torsion spring is connected with the discharging hole 2, and the other end of the torsion spring is connected with the knocking rod 51. The driving rod 52 is fixed on the outer wall of the blanking sleeve 3, and one end of the driving rod 52, which is far away from the blanking sleeve 3, is vertically arranged and can be abutted with one end of the knocking rod 51, which is far away from the knocking hammer 53, and the knocking hammer 53 is driven to move towards the direction far away from the discharging hole 2. The driving rod 52 includes a horizontal rod and a vertical rod, the horizontal rod is fixed on the outer wall of the blanking sleeve 3, the vertical rod is rotatably connected to the horizontal rod, one side of the vertical rod, which is not contacted with the knocking rod 51, can be abutted with the horizontal rod, and the rotation axis of the vertical rod and the horizontal rod perpendicularly intersects with the axis of the discharge port 2. The knocking hammer 53 moves towards the direction away from the discharge hole 2 under the driving of the driving rod 52, and then after the driving rod 52 is disconnected with the knocking rod 51, the knocking hammer 53 moves towards the discharge hole 2 under the driving of the elastic piece 55 and knocks on the discharge hole 2 to vibrate the concrete inside the discharge hole 2, so that the concrete is not easy to adhere to the stirring rod 32 and the guide strip 31.

As shown in fig. 1, after the striking hammer 53 strikes the same position on the discharge port 2 continuously, the struck position of the discharge port 2 is easy to deform, so that the rotation of the stirring rod 32 is affected, and the discharging of concrete is also affected. Therefore, the outer wall of the discharge hole 2 is coaxially fixed with a knocking ring 54, and the knocking ring 54 has a two semicircular annular structure and is connected end to end. The knocking rod 51 is rotatably connected to the knocking ring 54, and the knocking hammer 53 can collide with the outer wall of the knocking ring 54, so that the discharge port 2 cannot be directly impacted by the knocking hammer 53, and the discharge port 2 is not easy to damage. And the fastening position of the knocking ring 54 can be adjusted, so that the direction of the vibration of the discharge hole 2 is adjusted, and the inner wall of the discharge hole is not easy to adhere to concrete.

As shown in fig. 1, since the blanking sleeve 3 continuously rotates during the process of blanking concrete, the concrete at the opening of the lower end of the blanking sleeve 3 is splashed, the frame 1 is further provided with a protecting sleeve 11 for preventing the concrete from splashing, the protecting sleeve 11 is coaxially arranged outside the blanking sleeve 3, a gap is reserved between the protecting sleeve 11 and the blanking sleeve 3, and the lower end face of the protecting sleeve 11 is lower than the lower end face of the blanking sleeve 3. When the blanking sleeve 3 rotates to cause the concrete to splash, the protective sleeve 11 is utilized to block the splashed concrete, so that the concrete can flow downwards along the inner wall of the protective sleeve 11, and the concrete is not easy to pollute the working environment.

The implementation principle of the embodiment is as follows: in the blanking process, the driving piece 41 drives the blanking sleeve 3 and the stirring rod 32 to rotate, so that oblique downward force is applied by the stirring rod 32 and the guide strip 31, concrete is easier to move downwards through the discharge hole 2 and the blanking sleeve 3, in the blanking sleeve 3 rotating process, the driving rod 52 is contacted with the knocking rod 51 to drive one end of the knocking rod 51 with the knocking hammer 53 to be far away from the knocking ring 54, and after the driving rod 52 is disconnected with the knocking rod 51, the knocking hammer 53 impacts the knocking ring 54, so that the discharge hole 2 vibrates.

The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A concrete discharge gate anti-blocking device which characterized in that: including frame (1), discharge gate (2) that set up on frame (1), coaxial setting are in discharge gate (2) outer unloading cover (3) and drive unloading cover (3) pivoted actuating mechanism (4), unloading cover (3) rotate and set up in the lower extreme of discharge gate (2), actuating mechanism (4) are including setting up driving piece (41) on frame (1), gear (42) and ring gear (43) on coaxial being fixed in on unloading cover (3) outer wall that set up on the free end of driving piece (41), ring gear (43) can be with gear (42) meshing.

2. The concrete discharge outlet anti-blocking device according to claim 1, wherein: a plurality of guide strips (31) are axially arranged on the inner wall of the blanking sleeve (3), the guide strips (31) are spirally arranged, and the upper ends of the spiral lines of the guide strips (31) face the rotating direction of the blanking sleeve (3).

3. The concrete discharge outlet anti-blocking device according to claim 1, wherein: the inner wall upper end circumference of unloading cover (3) is provided with a plurality of puddler (32), puddler (32) upper end inserts in discharge gate (2), puddler (32) can with the inner wall butt of discharge gate (2).

4. A concrete discharge port anti-blocking device according to claim 3, wherein: the stirring rod (32) is spirally arranged, and the upper end of the spiral line of the stirring rod (32) faces to the rotating direction of the blanking sleeve (3).

5. A concrete discharge port anti-blocking device according to claim 3, wherein: reinforcing pieces (33) are arranged between every two adjacent stirring rods (32), and the reinforcing pieces (33) can be kept fit with the inner wall of the blanking sleeve (3).

6. The concrete discharge outlet anti-blocking device according to claim 1, wherein: still be provided with vibration mechanism (5) that drive discharge gate (2) vibrations on frame (1), vibration mechanism (5) are including the circumference setting on discharge gate (2) outer wall strike pole (51) and be fixed in actuating lever (52) on unloading cover (3) outer wall, be provided with on striking pole (51) and drive its one end and discharge gate (2) outer wall butt elastic component (55), actuating lever (52) can keep away from one end butt and the promotion of discharge gate (2) outer wall with striking pole (51) and strike one end that pole (51) is close to discharge gate (2) and keep away from discharge gate (2).

7. The concrete outlet anti-blocking device according to claim 6, wherein: the tapping ring (54) is coaxially fixed on the outer wall of the discharge hole (2), and the tapping rod (51) can be tapped on the outer wall of the tapping ring (54).

8. The concrete discharge outlet anti-blocking device according to claim 1, wherein: the concrete discharging machine is characterized in that a protective sleeve (11) for preventing concrete from splashing is further arranged on the frame (1), the protective sleeve (11) is coaxially sleeved outside the discharging sleeve (3), and a gap is reserved between the protective sleeve (11) and the discharging sleeve (3).