Efficient cutting machine for graphite Raschig rings

Abstract

An efficient cutting machine for graphite Raschig rings comprises a cutting mechanism and a rotary feeding device, the cutting mechanism comprises a first rotating shaft, a first driving device and blades, the first rotating shaft is vertically arranged and is driven by the first driving device to rotate, the blades are annular blades, and a plurality of annular blades are fixedly arranged on the outer side of the first rotating shaft in the length direction in a sleeving mode. The rotary feeding device comprises a rotating cylinder, a clamp, a second rotating shaft and a second driving device; the second rotating shaft and the first rotating shaft are arranged in parallel, and the second rotating shaft is driven by a second driving device to rotate; the rotating cylinder is coaxially fixed to the second rotating shaft, the multiple sets of clamps are evenly fixed to the outer side wall of the rotating cylinder with the second rotating shaft as the center, the clamps are arranged in the axial direction of the rotating cylinder and used for clamping graphite pipes to be cut, and cutting grooves are formed in the positions, corresponding to the annular blades, of the clamps. And the labor cost is greatly saved.

Description

Technical Field

[0001] The utility model relates to a high-efficiency cutting machine for graphite Raschig rings. Background Art

[0002] A graphite Raschig ring is a circular ring made of graphite material. The graphite Raschig ring is mainly prepared by the method of intercepting after making a graphite tube by high-temperature graphitization of coke and asphalt. This production method not only has a long production cycle but also consumes a large amount of energy. The graphite Raschig ring mainly adds a small amount of binder, forming aid, etc. to graphite with 100 meshes and a carbon content of 95% or more, and is processed by a series of processes such as kneading, hot extrusion or cold die pressing, and heat treatment at a high temperature of 150-300 °C to form a graphite tube, and then cut into a non-metallic filler with excellent corrosion resistance and a height equal to the diameter. It has chemical fillers with the same round shape and diameter that are resistant to high temperature, hydrofluoric acid, strong acids, strong alkalis, etc. The high temperature can reach above 200 °C. When the concentration of hydrofluoric acid is relatively high, the temperature can reach 48% of the corrosion resistance to nitric acid, sulfuric acid, potassium hydroxide, and acid salts, as well as sodium hydroxide in most solvents. After inspection, each performance index (especially strength and hardness) is superior to similar products.

[0003] There is a mature production line for extruding graphite powder into graphite tubes. However, the graphite tubes need to be cut into specified lengths according to the requirements of the filler to form graphite Raschig rings. The manual operation of an ordinary saw in the prior art has very low cutting efficiency and cannot meet the production requirements. Content of the Utility Model

[0004] The utility model provides a high-efficiency cutting machine for graphite Raschig rings with high cutting efficiency, accurate feeding, convenient discharging, and low labor cost to solve the deficiencies of the prior art.

[0005] To achieve the above object, the technical solution adopted by the utility model is as follows: A high-efficiency cutting machine for graphite Raschig rings includes a cutting mechanism and a rotary feeding device. The cutting mechanism includes a first rotating shaft, a first driving device, and a blade. The first rotating shaft is arranged vertically, and the first rotating shaft is driven to rotate by the first driving device. The blade is an annular blade, and a plurality of annular blades are sleeved and fixed on the outer side of the first rotating shaft along the length direction. The distance between adjacent annular blades matches the height of the finished graphite Raschig ring.

[0006] The rotary feeding device includes a rotating cylinder, a clamp, a second rotating shaft and a second driving device; the second rotating shaft is arranged in parallel with the first rotating shaft, and the second rotating shaft is driven to rotate by the second driving device; the rotating cylinder is coaxially fixed on the second rotating shaft and is linked with the second rotating shaft, and multiple groups of clamps are evenly fixed on the outer side wall of the rotating cylinder with the second rotating shaft as the center, and the clamps are arranged in parallel with the second rotating shaft. The clamps are used to clamp the graphite tube to be cut, and a cutting groove is provided on the clamp at a position corresponding to each annular blade. In the working state, when the first rotating shaft and the second rotating shaft rotate, the blade passes through the cutting groove and cuts off the graphite tube in the clamp.

[0007] In this embodiment, the clamp includes two vertically arranged clamping members, one end of the two clamping members is fixed on the rotating cylinder, and a semicircular groove is correspondingly provided on the opposite side of the other end of the two clamping members, and the groove walls of the two grooves are enclosed to form an installation groove for clamping the graphite tube to be cut.

[0008] In this embodiment, it also includes a base and an outer cover, the cutting mechanism and the rotary feeding device are fixed on the base, the outer cover is arranged on the base, and the outer cover forms a closed working space on the base. A loading area, a discharging area and a cutting area are arranged on the base along the rotation direction of the rotating cylinder, and the discharging area and cutting area of ​​the rotary feeding device and the cutting mechanism are all arranged in the working space.

[0009] In this embodiment, a dust suction device is also included, the inlet of the dust suction device is connected to the outer cover, and the dust suction device is used to remove dust in the working space.

[0010] In this embodiment, the inner diameter of the mounting groove matches the outer diameter of the graphite tube to be cut, and the graphite tube to be cut is slidably connected to the mounting groove. An annular baffle supporting the graphite tube to be cut is provided on the base directly below the mounting groove, and the annular baffle is arranged in the cutting area and the loading area. A receiving frame is provided on the base in the discharge area. Under this structure, the bottom of the graphite tube to be cut is supported by the annular baffle, so that the graphite tube to be cut is placed within the limit of the mounting groove. When the cutting mechanism completes the cutting, the cut graphite tube is still placed in the mounting groove due to the support of the annular baffle until the rotating cylinder rotates to the discharge area. Since the discharge area is not provided with an annular baffle, the cut graphite tube loses support and directly falls from the mounting groove into the receiving frame to complete the discharge.

[0011] In this embodiment, the first driving device includes a first motor, a first pulley, a second pulley and a synchronous belt. The first pulley is fixed to the output end of the first motor, the second pulley is fixed to the first rotating shaft, and the first pulley and the second pulley are connected by the synchronous belt.

[0012] In this embodiment, the second driving device includes a second motor, a reduction gearbox and a coupling. The output end of the second motor is connected to the reduction gearbox through the coupling, and the output end of the reduction gearbox is connected to the second rotating shaft.

[0013] With the above structure, the device has the following advantages:

[0014] 1. The device is provided with a plurality of annular blades that match the height of the finished graphite Raschig rings. These blades are fixed on the first rotating shaft and driven to rotate by the first driving device, so as to efficiently cut the graphite tube.

[0015] 2. The device includes a rotary feeding device, which includes a rotating cylinder and multiple sets of clamps. The clamps are used to clamp the graphite tube to be cut, and a cutting groove is arranged at the position corresponding to each annular blade. The rotation of the rotating cylinder is cleverly used to drive the graphite tube to pass through the annular blade, thereby ensuring the accuracy and continuity of the cutting.

[0016] 3. The clamp is composed of two vertically arranged clamping parts, and its semicircular groove design can effectively clamp the graphite tube to ensure the stability of the cutting process; at the same time, as another form of the present device, the mounting groove formed by the semicircular groove matches the outer diameter of the graphite tube to be cut, and the graphite tube to be cut is slidably connected to the mounting groove. After the graphite tube is placed in the mounting groove, the bottom is supported by an annular baffle in the cutting area and the loading area, and the annular baffle 3 is not set in the discharging area, so that the cut graphite tube loses support in the discharging area and directly falls from the mounting groove into the receiving frame to complete the discharging, thereby improving the discharging speed.

[0017] 4. The device also includes a base and an outer cover, forming an enclosed working space, reducing the flying of dust during the working process, and is equipped with a dust suction device to further ensure the cleanliness of the working environment.

[0018] In summary, the device has high cutting efficiency, accurate feeding, and convenient discharging, which greatly saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a top view of the utility model.

[0021] In the figure, 1. cutting mechanism; 11. first driving device; 111. first motor; 112. second pulley; 113. synchronous belt; 114. first pulley; 12. first rotating shaft; 13. blade; 2. rotating feeding device; 21. second driving device; 22. second rotating shaft; 23. clamp; 24. rotating cylinder; 3. annular baffle; 4. outer cover; 5. base; 6. receiving frame. Detailed implementation mode

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0023] In addition, the technical solutions between the various embodiments of the present utility model can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0024] As Figure 1 、 Figure 2 shown, the present utility model provides a high-efficiency cutting machine for graphite Raschig rings, including a base 5, an outer cover 4, a cutting mechanism 1 and a rotary feeding device 2. The cutting mechanism 1 and the rotary feeding device 2 are fixed on the base 5. The cutting mechanism 1 includes a first rotating shaft 12, a first driving device 11 and a blade 13. The first rotating shaft 12 is vertically arranged and is driven to rotate by the first driving device 11. The blade 13 is an annular blade 13. A plurality of annular blades 13 are sleeved and fixed on the outer side of the first rotating shaft 12 along the length direction. The distance between adjacent annular blades 13 matches the height of the finished graphite Raschig ring.

[0025] The rotary feeding device 2 includes a rotary cylinder 24, a fixture 23, a second rotating shaft 22 and a second driving device 21. The second rotating shaft 22 is arranged in parallel with the first rotating shaft 12 and is driven to rotate by the second driving device 21. The rotary cylinder 24 is coaxially fixed on the second rotating shaft 22 and is linked with the second rotating shaft 22. A plurality of groups of fixtures 23 are uniformly fixed on the outer side wall of the rotary cylinder 24 with the second rotating shaft 22 as the center. The fixtures 23 are arranged along the axial direction of the rotary cylinder 24. The fixtures 23 are used to clamp the graphite tube to be cut. Cutting grooves are provided on the fixtures 23 at positions corresponding to each annular blade 13. In the working state, when the first rotating shaft 12 and the second rotating shaft 22 rotate, the rotary cylinder 24 drives the fixtures 23 to rotate, and the blade 13 passes through the cutting groove and cuts off the graphite tube in the fixture 23.

[0026] Specifically, the fixture 23 includes two vertically arranged clamping members. One end of the two clamping members is fixed on the rotary cylinder 24. Semi-circular grooves are correspondingly provided on the opposite sides of the other ends of the two clamping members. The groove walls of the two grooves enclose an installation groove for clamping the graphite tube to be cut.

[0027] The outer cover 4 is arranged on the base 5. The outer cover 4 forms a sealed working space on the base 5. On the base 5, a feeding area, a discharging area and a cutting area are arranged along the rotation direction of the rotary cylinder 24. The discharging area and the cutting area of the rotary feeding device 2 and the cutting mechanism 1 are all arranged in the working space.

[0028] For further limitation of the fixture 23, the inner diameter of the installation groove matches the outer diameter of the graphite tube to be cut. The graphite tube to be cut is in sliding connection with the installation groove. A ring-shaped baffle 3 for supporting the graphite tube to be cut is arranged directly below the installation groove on the base 5. The ring-shaped baffle 3 is arranged in the cutting area and the feeding area. A receiving frame 6 is arranged on the base 5 in the discharging area. In this structure, the bottom of the graphite tube to be cut is supported by the ring-shaped baffle 3, so that the graphite tube to be cut is placed within the limit of the installation groove. After the cutting mechanism 1 finishes cutting, due to the support of the ring-shaped baffle 3, the cut graphite tube still remains in the installation groove until the rotary cylinder 24 rotates to the discharging area. Since there is no ring-shaped baffle 3 arranged in the discharging area, the cut graphite tube loses support and then directly falls from the installation groove into the receiving frame 6, completing the discharging, thereby improving the discharging speed.

[0029] In this embodiment, the first driving device 11 includes a first motor 111, a first belt pulley 114, a second belt pulley 112 and a synchronous belt 113. A first belt pulley 114 is fixed to the output end of the first motor 111. A second belt pulley 112 is fixed to the first rotating shaft 12. The first belt pulley 114 and the second belt pulley 112 are connected by the synchronous belt 113. The second driving device 21 includes a second motor, a reduction box and a coupling. The output end of the second motor is connected to the reduction box through the coupling. The output end of the reduction box is connected to the second rotating shaft 22.

[0030] In this embodiment, a dust suction device is further included. The inlet of the dust suction device is connected to the outer cover 4. The dust suction device is used to suck away the dust in the working space.

[0031] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the concept of the present invention by using the content of the specification and drawings of the present invention, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A graphite Raschig ring high-efficiency cutting machine, characterized in that: The invention comprises a cutting mechanism (1) and a rotating feeding device (2), wherein the cutting mechanism (1) comprises a first rotating shaft (12), a first driving device (11) and a blade (13), wherein the first rotating shaft (12) is arranged vertically, the first rotating shaft (12) is driven to rotate by the first driving device (11), the blade (13) is an annular blade (13), a plurality of annular blades (13) are fixedly mounted on the outside of the first rotating shaft (12) along the length direction, and the spacing between adjacent annular blades (13) matches the height of the finished graphite Raschig ring; The rotary feeding device (2) comprises a rotating cylinder (24), a clamp (23), a second rotating shaft (22) and a second driving device (21); the second rotating shaft (22) is arranged in parallel with the first rotating shaft (12), and the second rotating shaft (22) is driven to rotate by the second driving device (21); the rotating cylinder (24) is coaxially fixed on the second rotating shaft (22) and linked with the second rotating shaft (22); a plurality of groups of clamps (23) are evenly fixed on the outer wall of the rotating cylinder (24) with the second rotating shaft (22) as the center; the clamps (23) are arranged axially along the rotating cylinder (24); the clamps (23) are used to clamp the graphite tube to be cut; a cutting groove is provided on the clamp (23) at a position corresponding to each annular blade (13); in the working state, when the first rotating shaft (12) and the second rotating shaft (22) rotate, the blade (13) passes through the cutting groove and cuts the graphite tube in the clamp (23).

2. A graphite Raschig ring high-efficiency cutting machine according to claim 1, characterized in that: The clamp (23) comprises two vertically arranged clamping members, one end of the two clamping members is fixed on the rotating cylinder (24), and the other ends of the two clamping members are provided with semicircular grooves on the opposite sides thereof, and the groove walls of the two grooves are enclosed to form a mounting groove for clamping the graphite tube to be cut.

3. A graphite Raschig ring high-efficiency cutting machine according to claim 2, characterized in that: The invention also comprises a base (5) and an outer cover (4), wherein the cutting mechanism (1) and the rotary feeding device (2) are fixed on the base (5), the outer cover (4) is arranged on the base (5), and the outer cover (4) forms a closed working space on the base (5), and a loading area, a discharging area and a cutting area are arranged on the base (5) along the rotation direction of the rotating cylinder (24), and the discharging area and the cutting area of ​​the rotary feeding device (2) and the cutting mechanism (1) are all arranged in the working space.

4. A graphite Raschig ring high-efficiency cutting machine according to claim 3, characterized in that: It also comprises a dust suction device, the inlet of which is connected to the outer cover (4), and the dust suction device is used to extract dust in the working space.

5. The graphite Raschig ring high-efficiency cutting machine according to claim 3, characterized in that: The inner diameter of the mounting groove matches the outer diameter of the graphite tube to be cut, and the graphite tube to be cut is slidably connected to the mounting groove. An annular baffle (3) for supporting the graphite tube to be cut is arranged on the base (5) directly below the mounting groove, and the annular baffle (3) is arranged in the cutting area and the loading area. A receiving frame (6) is arranged on the base (5) in the discharging area.

6. The graphite Raschig ring high-efficiency cutting machine according to claim 1, characterized in that: The first driving device (11) comprises a first motor (111), a first pulley (114), a second pulley (112) and a synchronous belt (113); the first pulley (114) is fixed to the output end of the first motor (111); the second pulley (112) is fixed to the first rotating shaft (12); the first pulley (114) and the second pulley (112) are connected via the synchronous belt (113).

7. The graphite Raschig ring high-efficiency cutting machine according to claim 1, characterized in that: The second driving device (21) comprises a second motor, a reduction box and a coupling, wherein the output end of the second motor is connected to the reduction box via the coupling, and the output end of the reduction box is connected to the second rotating shaft (22).

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