Four-column press feeding device for graphite production

Abstract

The utility model relates to a four-column press feeding device for graphite production. The four-column press feeding device comprises a supporting plate (21). The discharging pipe (23) is obliquely and rotationally arranged on the supporting plate (21), and a cover plate (24) is arranged at the lower end of the discharging pipe (23) and is close to the mold (11); a brush rod (25) is arranged on the supporting plate (21), a plurality of brush teeth (26) are arranged on the brush rod (25) at intervals in the length direction of the brush rod (25), and the brush teeth (26) make contact with the inner wall of the discharging pipe (23); graphite raw materials in the storage bin (22) fall into the discharging pipe (23) under the action of the gravity of the graphite raw materials, the discharging pipe (23) is obliquely arranged and can rotate, the graphite raw materials in the discharging pipe (23) are turned over while being conveyed downwards, meanwhile, a brush rod (25) and brush teeth (26) which are fixedly arranged can brush and clean the inner wall of the discharging pipe (23), and therefore the inner wall of the discharging pipe (23) is cleaned. The phenomenon that raw materials adhere to the inner wall of the discharging pipe (23) and even blockage is caused is avoided, and smooth discharging is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite production, in particular to a four-column press feeding device for graphite production. Background Art

[0002] As a hydraulic mechanical equipment, the four-column press occupies an important position in industrial production with its unique four-column frame structure. It uses the solid frame composed of four columns, upper beams and lower beams to convert oil pressure energy into mechanical energy through the transmission of hydraulic oil to achieve strong pressing force. It is widely used in the pressing and forming of various materials. For example, graphite is an important non-metallic mineral material, and the pressing and forming process of graphite products is often achieved by four-column presses. The existing four-column press lacks automatic loading device, and the raw materials need to be poured into the mold manually with tools, which has low production efficiency.

[0003] The Chinese utility model patent with the authorization announcement number CN207509826U discloses a four-column press capable of automatic loading, which pushes the raw materials in the lower bin into the inclined discharge pipe by rotating the push plate, and extends the outlet of the discharge pipe to the top of the mold through the hydraulic telescopic rod to carry out the loading process. The above scheme has the disadvantage that the inner wall of the discharge pipe is easy to adhere to the raw materials and even cause blockage, resulting in unsmooth discharge. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the inner wall of the discharge pipe of the existing four-column press capable of automatic feeding is easily adhered to raw materials and even causes blockage, thereby causing unsmooth discharge of materials.

[0005] In order to solve the above problems, the utility model provides a four-column press feeding device for graphite production, a mold is provided in the center of the machine table, a support plate is slidably provided on the machine table, a storage bin is provided on the support plate, a discharge pipe is connected to the bottom of the storage bin, the discharge pipe is inclined and rotatably arranged on the support plate, a cover plate is provided at the lower end of the discharge pipe and is arranged close to the mold; a brush rod is provided on the support plate, the brush rod is arranged along the length direction of the discharge pipe and extends into the discharge pipe, a plurality of brush teeth are provided on the brush rod at intervals along the length direction thereof, and the brush teeth are in contact with the inner wall of the discharge pipe.

[0006] The four-column press feeding device for graphite production provided by the utility model also has the following technical features:

[0007] A first motor is fixed on the support plate, a gear is fixed on the output shaft of the first motor, and a gear ring meshing with the gear is fixed on the outer wall of the discharge pipe.

[0008] The upper end of the discharge pipe is rotatably provided with an upper side pipe, and the lower end of the discharge pipe is rotatably provided with a lower side pipe. Both the upper side pipe and the lower side pipe are fixed to the support plate. The upper end of the upper side pipe communicates with the bottom of the storage bin, and the lower end of the upper side pipe is inserted into the upper end of the discharge pipe. The upper end of the lower side pipe is inserted into the lower end of the discharge pipe, and a cover plate is provided at the lower end of the lower side pipe. A brush rod is provided between the upper side pipe and the lower side pipe.

[0009] One end of the brush rod is connected to the lower end of the upper side pipe, and a square rod is fixed to the lower end of the brush rod. A square hole is correspondingly opened at the upper end of the lower side pipe, and the square rod can be inserted into the square hole.

[0010] A swing rod is provided along the radial direction of the cover plate. A convex rod is provided at the lower end of the lower side pipe. The middle of the swing rod is rotatably connected to the convex rod. A long hole is opened along the length direction of the swing rod. An electric push rod is provided on the outer wall of the discharge pipe near its lower end. A dial rod is fixed to the output end of the electric push rod, and a pin is provided at the end of the dial rod. The pin is arranged in the long hole.

[0011] A sealing gasket is provided on one side of the cover plate close to the discharge pipe to seal the discharge pipe.

[0012] A support is provided on one side of the machine table. A chute is jointly opened on the machine table and the support. The support plate slides along the chute. A second motor is provided on the support. A lead screw is fixed to the output shaft of the second motor, and the lead screw is threadedly connected to the support plate.

[0013] A plurality of columns are provided along the center of the machine table. A pressing table slides on the columns. A machine top is provided at the upper end of the columns. An oil cylinder is provided on the lower side of the machine top, and the piston rod of the oil cylinder is connected to the pressing table.

[0014] The utility model has the following beneficial effects: The graphite raw materials in the storage bin fall into the discharge pipe under the action of their own gravity. The discharge pipe is inclined and can rotate, turning while downwardly conveying the graphite raw materials inside it. At the same time, the fixedly arranged brush rod and brush teeth can brush and clean the inner wall of the discharge pipe, preventing raw materials from adhering to the inner wall of the discharge pipe and even causing blockage, and realizing smooth discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of the utility model;

[0016] Figure 2 is Figure 1 the partial enlarged view of

[0017] Figure 3 is the axonometric view of the discharge pipe;

[0018] Figure 4 the partial enlarged view of DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0020] As Figures 1 to 4 shown, in the feeding device of the four-column press for graphite production of the present utility model, a mold 11 is provided at the center of a machine table 10. A support plate 21 is slidably provided on the machine table 10. A storage bin 22 is provided on the support plate 21. A discharge pipe 23 is communicated with the bottom of the storage bin 22. The discharge pipe 23 is inclined and rotatably provided on the support plate 21. A cover plate 24 is provided at the lower end of the discharge pipe 23 and is arranged close to the mold 11. A brush rod 25 is provided on the support plate 21. The brush rod 25 is arranged along the length direction of the discharge pipe 23 and extends into the discharge pipe 23. A plurality of brush teeth 26 are arranged at intervals along the length direction of the brush rod 25. The brush teeth 26 are in contact with the inner wall of the discharge pipe 23.

[0021] The graphite raw materials in the storage bin 22 fall into the discharge pipe 23 under the action of their own gravity. The discharge pipe 23 is inclined and can rotate, so as to turn over while downwardly conveying the graphite raw materials inside it. At the same time, the fixedly arranged brush rod 25 and brush teeth 26 can brush and clean the inner wall of the discharge pipe 23, avoiding the adhesion of raw materials on the inner wall of the discharge pipe 23 and even causing blockage, and realizing smooth discharging.

[0022] Of course, the brush rod 25 and brush teeth 26 can also be set to other structures. For example, only a brush plate in contact with the inner wall of the discharge pipe 23 is provided, or the brush rod 25 is set to be spiral, or the brush teeth 26 are arranged staggeredly, which can be selected according to actual applications and are not limited here.

[0023] Among them, the end of the brush tooth 26 is provided with a rounded corner.

[0024] Preferably, a first motor 27 is fixed on the support plate 21. A gear 28 is fixed on the output shaft of the first motor 27. A gear ring 29 meshing with the gear 28 is fixed on the outer wall of the discharge pipe 23.

[0025] Preferably, an upper side pipe 30 is rotatably provided at the upper end of the discharge pipe 23, and a lower side pipe 31 is rotatably provided at the lower end of the discharge pipe 23. Both the upper side pipe 30 and the lower side pipe 31 are fixed to the support plate 21. The upper end of the upper side pipe 30 is communicated with the bottom of the storage bin 22, and the lower end of the upper side pipe 30 is inserted into the upper end of the discharge pipe 23. The upper end of the lower side pipe 31 is inserted into the lower end of the discharge pipe 23, and the lower end of the lower side pipe 31 is provided with a cover plate 24. A brush rod 25 is arranged between the upper side pipe 30 and the lower side pipe 31.

[0026] Among them, a connecting elbow 34 is provided between the storage bin 22 and the upper side pipe 30.

[0027] Among them, the upper pipe 30, the lower pipe 31, the first motor 27 and the storage bin 22 are all fixed to the support plate 21 through support blocks.

[0028] Preferably, one end of the brush rod 25 is connected to the lower end of the upper pipe 30. A square rod 32 is fixed to the lower end of the brush rod 25. A square hole 33 is correspondingly opened at the upper end of the lower pipe 31. The square rod 32 can be inserted into the square hole 33 to prevent the position change of the brush teeth 26 caused by the rotation of the brush rod 25, so as to ensure timely brushing and cleaning of the inner wall of the discharge pipe 23.

[0029] Among them, one end of the brush rod 25 is fixed to the lower end of the upper pipe 30. Of course, external threads can also be provided on the brush rod 25, and threaded holes can be opened at the lower end of the upper pipe 30 to realize the detachable connection between the brush rod 25 and the upper pipe 30, which is convenient for the installation of the brush rod 25.

[0030] Among them, those skilled in the art can set the specific dimensions of the upper pipe 30 and the lower pipe 31 and the setting positions at both ends of the brush rod 25 according to actual applications to reduce the step at the connection between the upper pipe 30, the lower pipe 31 and the discharge pipe 23, making the discharge smoother; chamfers can also be opened at the steps to achieve the above effects.

[0031] Preferably, referring to Figure 4 , a swing rod 41 is provided on the cover plate 24 along its radial direction. A convex rod 42 is provided at the lower end of the lower pipe 31. The middle of the swing rod 41 is rotatably connected to the convex rod 42. A long hole 43 is opened along the length direction of the swing rod 41. An electric push rod 44 is provided on the outer wall of the discharge pipe 23 near its lower end. A dial rod 45 is fixed to the output end of the electric push rod 44. A retaining pin 46 is provided at the end of the dial rod 45. The retaining pin 46 is arranged in the long hole 43.

[0032] The output end of the electric push rod 44 drives the dial rod 45 and the retaining pin 46 to move, causing the swing rod 41 to swing around its rotation connection with the convex rod 42, driving the cover plate 24 to swing to open or close the lower end of the discharge pipe 23.

[0033] Preferably, a sealing gasket 47 is provided on one side of the cover plate 24 close to the discharge pipe 23 to seal the discharge pipe 23.

[0034] Among them, the sealing gasket 47 is made of a soft sealing material, such as rubber or polytetrafluoroethylene, etc.

[0035] Preferably, a support 51 is provided on one side of the machine table 10. A chute 52 is jointly opened on the machine table 10 and the support 51. The support plate 21 slides along the chute 52. A second motor 53 is provided on the support 51. A lead screw 54 is fixed to the output shaft of the second motor 53. The lead screw 54 is threadedly connected to the support plate 21.

[0036] The output shaft of the second motor 53 drives the lead screw 54 to rotate, driving the support plate 21 to slide along the chute 52, causing the lower end of the discharge pipe 23 to move towards the die 11.

[0037] Preferably, a plurality of columns 12 are provided along the center of the machine table 10. A pressing table 13 is slidably provided on the columns 12. A machine top 14 is provided at the upper end of the columns 12. An oil cylinder 15 is provided on the lower side of the machine top 14. The piston rod of the oil cylinder 15 is connected to the pressing table 13.

[0038] Among them, the four-column press further includes an oil tank, an oil pump, pipelines and valves for operating the piston rod of the oil cylinder 15; the piston rod of the oil cylinder drives the pressing table 13 to move up and down to press and form the graphite product; it also includes a control system for controlling the pressure, stroke, time, etc. of the four-column press. The structure of the four-column press is prior art and will not be elaborated here.

[0039] The working principle of the present utility model is as follows:

[0040] During the process of the piston rod of the oil cylinder 15 driving the pressing table 13 to move upward along the columns 12, the feeding device of the present utility model can be started to feed materials into the die 11. Specifically, the graphite raw materials in the storage bin 22 fall into the discharge pipe 23 under the action of their own gravity. The discharge pipe 23 is inclined and rotates under the meshing action of the gear 28 and the gear ring 29, while turning over the graphite raw materials inside it during the downward transportation. At the same time, the fixedly arranged brush rod 25 and brush teeth 26 can brush the inner wall of the discharge pipe 23 to avoid the adhesion of raw materials on the inner wall of the discharge pipe 23 or even blockage, realizing smooth discharging;

[0041] The output shaft of the second motor 53 drives the lead screw 53 to rotate, causing the support plate 21 to slide along the chute 52, driving the discharge pipe 23 to move above the die 11. Control the output end of the electric push rod 44 to retract, driving the dial rod 45 and the pin 46 to move, causing the swing rod 41 to swing around its rotation connection with the convex rod 42, driving the cover plate 24 to swing slightly to open the lower end of the discharge pipe 23 and feed the graphite raw materials into the die 11, and then control the piston rod of the oil cylinder 15 to drive the pressing table 13 to move downward along the columns 12 to press and form the graphite raw materials.

[0042] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, not to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A feeding device for a four-column press used in graphite production, characterized in that, A mold (11) is provided at the center of the machine table (10). A support plate (21) is slidably provided on the machine table (10). A storage bin (22) is provided on the support plate (21). A discharge pipe (23) is connected to the bottom of the storage bin (22). The discharge pipe (23) is inclined and rotatably provided on the support plate (21). A cover plate (24) is provided at the lower end of the discharge pipe (23) and is arranged close to the mold (11). A brush rod (25) is provided on the support plate (21). The brush rod (25) is arranged along the length direction of the discharge pipe (23) and extends into the discharge pipe (23). A plurality of brush teeth (26) are arranged at intervals along the length direction of the brush rod (25). The brush teeth (26) are in contact with the inner wall of the discharge pipe (23).

2. The feeding device for a four-column press used in graphite production according to claim 1, wherein A first motor (27) is fixed on the support plate (21). A gear (28) is fixed on the output shaft of the first motor (27). A toothed ring (29) meshing with the gear (28) is fixed on the outer wall of the discharge pipe (23).

3. The feeding device of the four-column press for graphite production according to claim 1, characterized in that, An upper side pipe (30) is rotatably provided at the upper end of the discharge pipe (23). A lower side pipe (31) is rotatably provided at the lower end of the discharge pipe (23). Both the upper side pipe (30) and the lower side pipe (31) are fixed to the support plate (21). The upper end of the upper side pipe (30) is connected to the bottom of the storage bin (22). The lower end of the upper side pipe (30) is inserted into the upper end of the discharge pipe (23). The upper end of the lower side pipe (31) is inserted into the lower end of the discharge pipe (23). A cover plate (24) is provided at the lower end of the lower side pipe (31). A brush rod (25) is provided between the upper side pipe (30) and the lower side pipe (31).

4. The feeding device of the four-column press for graphite production according to claim 3, characterized in that, One end of the brush rod (25) is connected to the lower end of the upper side pipe (30). A square rod (32) is fixed to the lower end of the brush rod (25). A square hole (33) is correspondingly opened at the upper end of the lower side pipe (31). The square rod (32) can be inserted into the square hole (33).

5. The feeding device for a four-column press used in graphite production according to claim 3, characterized in that, A swing rod (41) is provided along the radial direction of the cover plate (24). A convex rod (42) is provided at the lower end of the lower side pipe (31). The middle part of the swing rod (41) is rotatably connected to the convex rod (42). A long strip hole (43) is opened along the length direction of the swing rod (41). An electric push rod (44) is provided on the outer wall of the discharge pipe (23) near its lower end. A dial rod (45) is fixed on the output end of the electric push rod (44). A retaining pin (46) is provided at the end of the dial rod (45). The retaining pin (46) is arranged in the long strip hole (43).

6. The feeding device of the four-column press for graphite production according to claim 1, characterized in that, A sealing gasket (47) is provided on one side of the cover plate (24) close to the discharge pipe (23) to seal the discharge pipe (23).

7. The feeding device of the four-column press for graphite production according to claim 1, characterized in that, A support (51) is provided on one side of the machine table (10). A chute (52) is jointly opened on the machine table (10) and the support (51). The support plate (21) slides along the chute (52). A second motor (53) is provided on the support (51). A lead screw (54) is fixed on the output shaft of the second motor (53). The lead screw (54) is threadedly connected to the support plate (21).

8. The feeding device for the four-column press used in graphite production according to claim 1, characterized in that, A plurality of columns (12) are provided along the center of the machine table (10). A pressing table (13) is slidably provided on the columns (12). A machine top (14) is provided at the upper end of the columns (12). An oil cylinder (15) is provided on the lower side of the machine top (14). The piston rod of the oil cylinder (15) is connected to the pressing table (13).

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