CN212120400U - Centrifuge convenient to maintenance - Google Patents

Abstract

The utility model relates to the technical field of centrifugal machines, in particular to a centrifugal machine convenient to maintain, which comprises a frame and a scraping mechanism, wherein a fixing mechanism is arranged on the frame, a first through hole is arranged on the frame, the fixing mechanism comprises a connecting plate, a first fixing block, a second fixing block and a fixing rod, the connecting plate is clamped on the first through hole, and the scraping mechanism is arranged on the connecting plate; the first fixing block is arranged on the connecting plate, and the fixing rod is hinged to the first fixing block; the second fixed block is arranged on the rack, and a clamping groove clamped with the fixed rod is formed in the second fixed block. The utility model discloses the fixed establishment who sets up can improve maintenance efficiency.

Description

Centrifuge convenient to maintenance

Technical Field

The utility model belongs to the technical field of centrifuge's technique and specifically relates to a centrifuge convenient to maintenance is related to.

Background

At present, the centrifugal machine is widely applied to the industries of food, chemical industry, pharmacy and the like. With the rapid development of food, pharmaceutical and chemical industries, the demand for further refinement is increasing. Through high-speed rotation centrifugal motion, the liquid part of the materials in the filter bag is discharged out of the centrifuge through the filter holes, the solid part is adhered to the inner wall of the rotary drum under the action of centrifugal force, after the materials on the inner wall of the rotary drum reach a certain amount, the materials separated from the inner wall of the rotary drum are scraped away by using a scraper structure, and the materials are discharged out of the separator rotary drum through an extruding and collecting hopper device right below the scraper structure.

At present, the Chinese utility model with the authorization notice number of CN205182964U discloses a flat plate type automatic scraper lower discharging centrifuge, which comprises a centrifuge body, a machine base, a shell, a main shaft assembly, a rotary drum, a scraper component, a motor assembly, a top cover, a spiral distributor, a shock absorber and a control unit; the machine body is provided with a machine base, a shell is arranged above the machine body, and the top of the shell is provided with a top cover; a feed pipe is arranged in the center of the top cover, a scraper component is arranged on one side of the feed pipe, and a spiral distributor is arranged on the other side of the feed pipe; and a shock absorber is arranged below the machine body and fixed on the horizon.

The above prior art solutions have the following drawbacks: because the scraper is arranged in the rotary drum, when the scraper is damaged and needs to be maintained, an operator needs to enter the rotary drum, the maintenance is very inconvenient, the maintenance time is prolonged, and the maintenance efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art existence, the utility model aims to provide a centrifuge convenient to maintenance, the fixed establishment of setting can improve maintenance efficiency.

The above object of the present invention is achieved by the following technical solutions:

a centrifuge convenient to maintain comprises a rack and a scraping mechanism, wherein a fixing mechanism is arranged on the rack, a first through hole is formed in the rack, the fixing mechanism comprises a connecting plate, a first fixing block, a second fixing block and a fixing rod, the connecting plate is clamped on the first through hole, and the scraping mechanism is arranged on the connecting plate; the first fixing block is arranged on the connecting plate, and the fixing rod is hinged to the first fixing block; the second fixed block is arranged on the rack, and a clamping groove clamped with the fixed rod is formed in the second fixed block.

By adopting the technical scheme, when the scraping mechanism needs to be maintained, the fixed rod is separated from the clamping groove, then the connecting plate with the first fixed block is separated from the first through hole, the scraping mechanism is separated from the rack, and then the scraping mechanism is maintained; after the scraping mechanism is maintained, the connecting plate is placed in the first through hole, and then the fixed rod is clamped with the clamping groove, so that the maintained scraping mechanism can continue to work; the fixed establishment who sets up can make scraping mechanism and frame separately, thereby is convenient for realize maintaining scraping mechanism and improves maintenance efficiency.

The utility model discloses further set up to: the second fixing block is provided with a limiting assembly, the limiting assembly comprises a first plate, a second plate and a first bolt, the first plate is hinged to the second fixing block and can cover the clamping groove, the second plate is hinged to one end, far away from the second fixing block, of the first plate, a second through hole is formed in the second plate, a first threaded hole is formed in the second fixing block, and the first bolt penetrates through the second through hole and is in threaded connection with the first threaded hole.

By adopting the technical scheme, after the fixed rod is clamped with the clamping groove, the first plate covers the clamping groove and abuts against the side wall of the fixed rod, then the second plate abuts against the side wall of the second fixed block, and then the first bolt penetrates through the second through hole to be in threaded connection with the first threaded hole; the limiting component can limit the fixing rod in the clamping groove, so that the stability of the fixing mechanism is improved.

The utility model discloses further set up to: an adjusting mechanism is arranged on the rack and comprises a third fixed block, a top block and an adjusting assembly, the third fixed block is arranged on the rack, a sliding groove is formed in the third fixed block, and the top block is connected in the sliding groove in a sliding mode and can abut against the connecting plate; the adjusting component is arranged on the third fixing block and connected with the top block.

Through adopting above-mentioned technical scheme, place first through-hole back at the connecting plate, start adjusting part, adjusting part drives the kicking block and moves towards the direction that is close to the connecting plate in the spout, makes the connecting plate lie in first through-hole completely under the conflict of kicking block, can make the better joint of dead lever and draw-in groove.

The utility model discloses further set up to: the adjusting assembly comprises a motor and a screw rod, the screw rod is rotatably connected in the sliding groove, and the screw rod penetrates through the ejector block and is in threaded connection with the ejector block; the motor is arranged on the third fixing block and connected with the screw rod.

Through adopting above-mentioned technical scheme, starter motor, the output shaft of motor drive the screw rod and rotate, and the screw rod drives the kicking block and slides in the spout, thereby the adjusting part simple structure of setting is convenient for operate save time and has improved efficiency.

The utility model discloses further set up to: the scraping mechanism comprises a lifting oil cylinder, a rotary oil cylinder and a scraper, the lifting oil cylinder is arranged on the connecting plate, the rotary oil cylinder is arranged on a cylinder body of the lifting oil cylinder, and the scraper is arranged on the lifting oil cylinder.

By adopting the technical scheme, the lifting oil cylinder can drive the scraper to move up and down; the rotating oil cylinder can drive the lifting oil cylinder to rotate, so that the scraper can rotate.

The utility model discloses further set up to: the lifting oil cylinder is provided with a connecting mechanism connected with the scraper, the connecting mechanism comprises a connecting rod, a connecting block and a connecting assembly, and the connecting rod is arranged on a piston rod of the lifting oil cylinder; a third through hole for the connecting rod to pass through is formed in the connecting block; the scraper is arranged on the connecting block; the connecting assembly is arranged on the connecting rod and connected with the connecting block.

By adopting the technical scheme, when the scraper needs to be maintained when damaged, the connecting block slides out of the connecting rod for maintenance; after the scraper is maintained and repaired, the connecting rod penetrates through a third through hole in the connecting block, and then the connecting block is limited on the connecting rod by using the connecting assembly; the scraper can be detached from the lifting oil cylinder through the arranged connection, so that maintenance is facilitated.

The utility model discloses further set up to: the connecting assembly comprises an adjusting block and a second bolt, and an external thread is arranged at one end of the connecting rod, which is far away from the lifting oil cylinder; the adjusting block is provided with a second threaded hole in threaded connection with the external thread, the adjusting block is provided with a fourth through hole, the connecting block is provided with a third threaded hole, and the second bolt penetrates through the fourth through hole to be in threaded connection with the third threaded hole.

By adopting the technical scheme, after the connecting rod passes through the third through hole on the connecting block, the second threaded hole on the adjusting block is in threaded connection with the external thread on the connecting rod, then the adjusting block is abutted against the connecting block, and finally the second bolt passes through the fourth through hole and is in threaded connection with the third threaded hole; the connecting assembly is simple in structure, time is saved, and efficiency is improved.

The utility model discloses further set up to: the scraper is connected with the connecting block in a clamping mode, a placing groove is formed in the connecting block, the scraper is connected in the placing groove in a clamping mode, a fifth through hole communicated with the placing groove is formed in the connecting block, a sixth through hole is formed in the scraper, a third bolt is arranged on the connecting block and penetrates through the fifth through hole and the sixth through hole, and a nut is connected to the third bolt in a threaded mode.

By adopting the technical scheme, when the scraper needs to be maintained or replaced, the third bolt and the nut are separated, then the third bolt is taken out of the connecting block, and then the scraper is taken out of the placing groove on the connecting block; the scraper is fixed on the connecting block through the third bolt and the nut, so that the scraper can be conveniently detached and maintained.

The utility model discloses further set up to: the connecting block is provided with a cover plate, the cover plate is provided with a seventh through hole, the connecting block is provided with a fourth threaded hole, and the cover plate is provided with a fourth bolt which penetrates through the seventh through hole and is in threaded connection with the fourth threaded hole.

By adopting the technical scheme, after the scraper is placed in the placing groove, the cover plate is rotated to enable the side wall of the cover plate to abut against the side wall of the connecting block, and under the extrusion of the cover plate, the scraper can be completely positioned in the placing groove, so that the axis of the sixth through hole in the scraper is superposed with the axis of the fifth through hole in the connecting block; and then the fourth bolt is used for penetrating through the seventh through hole to be in threaded connection with the fourth threaded hole, so that the scraper is prevented from moving when the third bolt penetrates through the fifth through hole and the sixth through hole.

To sum up, the utility model discloses a beneficial technological effect does:

1. the arranged fixing mechanism can separate the scraping mechanism from the rack, so that the scraping mechanism can be maintained conveniently, and the maintenance efficiency is improved;

2. the fixed rod can be limited in the clamping groove by the limiting component, so that the stability of the fixing mechanism is improved;

3. the scraper is fixed on the connecting block through the third bolt and the nut, so that the scraper can be conveniently detached and maintained.

Drawings

FIG. 1 is a schematic structural view of a centrifuge of the present invention for easy maintenance;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a cross-sectional view of a third fixing block of the present invention;

fig. 4 is a schematic structural view of the scraping mechanism of the present invention;

fig. 5 is a partially enlarged view of B in fig. 4.

Reference numerals: 1. a frame; 2. a fixing mechanism; 21. a first fixed block; 22. a second fixed block; 23. fixing the rod; 24. a connecting plate; 3. defining an assembly; 31. a first plate; 32. a second plate; 33. a first bolt; 4. an adjustment mechanism; 41. a third fixed block; 411. a chute; 42. a top block; 5. an adjustment assembly; 51. a motor; 52. a screw; 61. a lift cylinder; 62. rotating the oil cylinder; 63. a scraper; 7. a connecting mechanism; 71. a connecting rod; 711. a slide hole; 712. an external thread; 72. connecting blocks; 721. a third through hole; 73. a bump; 8. a connecting assembly; 81. an adjusting block; 811. a second threaded hole; 82. a second bolt; 91. a third bolt; 92. a nut; 93. a cover plate; 94. and a fourth bolt.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, a centrifuge convenient to maintain disclosed by the present invention comprises a frame 1, wherein a fixing mechanism 2 is arranged on the frame 1, and a scraping mechanism is arranged on the fixing mechanism 2; the frame 1 is provided with an adjusting mechanism 4 connected with the fixing mechanism 2.

Referring to fig. 1 and 2, a first through hole is formed in the frame 1, the fixing mechanism 2 includes a connecting plate 24 clamped in the first through hole, a first fixing block 21 is fixedly connected to the connecting plate 24, and a fixing rod 23 is hinged to the first fixing block 21; a second fixing block 22 is fixedly connected to the frame 1, and a clamping groove clamped with the fixing rod 23 is formed in the second fixing block 22.

The second fixing block 22 is provided with a limiting component 3, the limiting component 3 comprises a first plate 31 hinged on the second fixing block 22, and the first plate 31 can cover the clamping groove and abut against the fixing rod 23; a second plate 32 is hinged to one end, away from the second fixed block 22, of the first plate 31, the second plate 32 abuts against the side wall of the second fixed block 22, and a second through hole is formed in the second plate 32; a first threaded hole is formed in the side wall of the second fixing block 22, and a first bolt 33 penetrating through the second through hole and in threaded connection with the first threaded hole is arranged on the second plate 32.

Referring to fig. 1 and 3, the adjusting mechanism 4 includes a third fixed block 41 fixedly connected to the frame 1, the third fixed block 41 is provided with a sliding slot 411 along a length direction thereof, the sliding slot 411 is connected with an ejector block 42 in a sliding manner, one end of the ejector block 42 far away from the third fixed block 41 is provided with an inclined surface, and the inclined surface can abut against the connecting plate 24; an adjusting component 5 is arranged on the third fixed block 41, the adjusting component 5 comprises a screw rod 52 which is rotatably connected in the sliding groove 411, and the screw rod 52 penetrates through the top block 42 and is in threaded connection with the top block 42; one end of the third fixing block 41, which is far away from the connecting plate 24, is fixedly connected with a motor 51 connected with a screw 52, and the motor 51 is a three-phase asynchronous motor.

Referring to fig. 4 and 5, the scraping mechanism includes a lifting cylinder 61 rotatably connected to the connecting plate 24, and a rotary cylinder 62 for driving the lifting cylinder 61 to rotate is fixedly connected to the lifting cylinder 61. (the connection mode of the lift cylinder 61 and the rotary cylinder 62, and the mode of the rotary cylinder 62 driving the lift cylinder 61 to rotate are the same as those in the patent with the publication number of CN207680820U and are not repeated here)

A connecting mechanism 7 is arranged on a piston rod of the lifting oil cylinder 61, the connecting mechanism 7 comprises a connecting rod 71 fixedly connected to the piston rod of the lifting oil cylinder 61, a sliding hole 711 is formed in one end, far away from the lifting oil cylinder 61, of the connecting rod 71 along the length direction of the connecting rod, and an external thread 712 is formed in the peripheral side of one end, far away from the lifting oil cylinder 61, of the connecting rod 71; the connecting rod 71 is provided with a connecting block 72, the connecting block 72 is provided with a third through hole 721 for the connecting rod 71 to pass through, and the connecting block 72 is integrally provided with a lug 73 connected with the sliding hole 711 in a sliding manner; be provided with coupling assembling 8 on connecting rod 71, coupling assembling 8 includes regulating block 81, offer on the regulating block 81 with external screw thread 712 threaded connection's second screw hole 811, seted up the fourth through-hole on the regulating block 81, connecting block 72 keeps away from one of connecting plate 24 and serves and seted up the third screw hole, is provided with on the regulating block 81 to pass fourth through-hole and third screw hole threaded connection's second bolt 82.

The connecting block 72 is far away from one end of the connecting rod 71 and is provided with a placing groove on one side facing the connecting plate 24, the axis of the placing groove is parallel to the axis of the third through hole 721, a fifth through hole communicated with the placing groove is provided on the side wall of the connecting block 72, and the axis of the fifth through hole is perpendicular to the axis of the placing groove. The scraper 63 is connected in the placing groove in a clamping mode, a sixth through hole is formed in the scraper 63, a third bolt 91 penetrating through the fifth through hole and the sixth through hole is arranged on the connecting block 72, a nut 92 is connected to the third bolt 91 in a threaded mode, a nut of the third bolt 91 abuts against the side wall of one side of the connecting block 72, and the nut 92 abuts against the side wall of the other side of the connecting block 72.

A fourth threaded hole is formed in one side, facing the connecting plate 24, of the connecting block 72; a cover plate 93 is arranged on one side, facing the connecting plate 24, of the connecting block 72, a seventh through hole is formed in the cover plate 93, and a fourth bolt 94 which penetrates through the seventh through hole and is in threaded connection with the fourth threaded hole is arranged on the cover plate 93.

The implementation principle of the embodiment is as follows: the repaired scraper 63 is placed in the placing groove, and then the cover plate 93 abuts against the side wall of the connecting block 72, so that the fourth bolt 94 passes through the seventh through hole and is in threaded connection with the fourth threaded hole. At this time, the axis of the sixth through hole coincides with the axis of the fifth through hole, the third bolt 91 is inserted through the fifth through hole and the sixth through hole, and then the nut 92 is screwed to the third bolt 91 and the nut 92 is pressed against the side wall of the connecting block 72.

The convex block 73 on the connecting block 72 is connected with the sliding hole 711 on the connecting rod 71 in a sliding manner, the connecting rod 71 passes through the third through hole 721 on the connecting block 72, then the adjusting block 81 is rotated, the second threaded hole 811 on the adjusting block 81 is in threaded connection with the external thread 712 on the connecting rod 71, and then the second bolt 82 passes through the fourth through hole on the adjusting block 81 and is in threaded connection with the third threaded hole on the connecting block 72.

In placing first through-hole with connecting plate 24, starter motor 51, motor 51's output shaft drives screw rod 52 and rotates, and screw rod 52 drives kicking block 42 and moves towards the direction that is close to connecting plate 24 in spout 411, and the inclined plane on the kicking block 42 can conflict connecting plate 24 earlier, and connecting plate 24 can be better joint in first through-hole under the effect on inclined plane, closes motor 51 when kicking block 42 conflicts connecting plate 24 towards the lateral wall on one side of connecting plate 24.

Rotating the fixing rod 23 to enable the fixing rod 23 to be clamped with the clamping groove in the second fixing block 22, and then rotating the first plate 31 to enable the first plate 31 to cover the clamping groove and abut against the side wall of the fixing rod 23; then, the second plate 32 is rotated to make the second plate 32 abut against the side wall of the second fixing block 22, and finally, the first bolt 33 passes through the second through hole of the second plate 32 to be in threaded connection with the first threaded hole of the second fixing block 22.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. A centrifuge convenient to maintain comprises a rack (1) and a scraping mechanism, and is characterized in that a fixing mechanism (2) is arranged on the rack (1), a first through hole is formed in the rack (1), the fixing mechanism (2) comprises a connecting plate (24), a first fixing block (21), a second fixing block (22) and a fixing rod (23), the connecting plate (24) is clamped on the first through hole, and the scraping mechanism is arranged on the connecting plate (24); the first fixing block (21) is arranged on the connecting plate (24), and the fixing rod (23) is hinged to the first fixing block (21); the second fixing block (22) is arranged on the rack (1), and a clamping groove clamped with the fixing rod (23) is formed in the second fixing block (22).

2. The centrifuge convenient to maintain is characterized in that the second fixing block (22) is provided with a limiting component (3), the limiting component (3) comprises a first plate (31), a second plate (32) and a first bolt (33), the first plate (31) is hinged on the second fixing block (22) and can cover the clamping groove, the second plate (32) is hinged on one end, away from the second fixing block (22), of the first plate (31), a second through hole is formed in the second plate (32), a first threaded hole is formed in the second fixing block (22), and the first bolt (33) penetrates through the second through hole to be in threaded connection with the first threaded hole.

3. The centrifuge convenient to maintain is characterized in that an adjusting mechanism (4) is arranged on the rack (1), the adjusting mechanism (4) comprises a third fixed block (41), a top block (42) and an adjusting component (5), the third fixed block (41) is arranged on the rack (1), a sliding groove (411) is formed in the third fixed block (41), and the top block (42) is connected in the sliding groove (411) in a sliding manner and can abut against the connecting plate (24); the adjusting component (5) is arranged on the third fixing block (41) and connected with the top block (42).

4. A centrifuge facilitating maintenance according to claim 3, characterized in that the adjusting assembly (5) comprises a motor (51) and a screw (52), the screw (52) is rotatably connected in the chute (411), the screw (52) passes through the top block (42) and is in threaded connection with the top block (42); the motor (51) is arranged on the third fixing block (41) and connected with the screw rod (52).

5. A centrifuge facilitating maintenance according to claim 1, wherein the scraping mechanism comprises a lift cylinder (61), a rotation cylinder (62) and a scraper (63), the lift cylinder (61) is disposed on the connection plate (24), the rotation cylinder (62) is disposed on a cylinder body of the lift cylinder (61), and the scraper (63) is disposed on the lift cylinder (61).

6. A centrifuge facilitating maintenance according to claim 5, characterized in that the lift cylinder (61) is provided with a connecting mechanism (7) connected with the scraper (63), the connecting mechanism (7) comprises a connecting rod (71), a connecting block (72) and a connecting assembly (8), the connecting rod (71) is arranged on a piston rod of the lift cylinder (61); a third through hole (721) for the connecting rod (71) to pass through is formed in the connecting block (72); the scraper (63) is arranged on the connecting block (72); the connecting assembly (8) is arranged on the connecting rod (71) and connected with the connecting block (72).

7. A centrifuge facilitating maintenance according to claim 6, characterized in that the connection assembly (8) comprises an adjustment block (81) and a second bolt (82), and that an external thread (712) is provided on an end of the connection rod (71) remote from the lift cylinder (61); the adjusting block (81) is provided with a second threaded hole (811) in threaded connection with the external thread (712), the adjusting block (81) is provided with a fourth through hole, the connecting block (72) is provided with a third threaded hole, and the second bolt (82) penetrates through the fourth through hole to be in threaded connection with the third threaded hole.

8. The centrifuge convenient to maintain according to claim 6, wherein a placing groove is formed in the connecting block (72), the scraper (63) is clamped in the placing groove, a fifth through hole communicated with the placing groove is formed in the connecting block (72), a sixth through hole is formed in the scraper (63), a third bolt (91) is arranged on the connecting block (72), the third bolt (91) penetrates through the fifth through hole and the sixth through hole, and a nut (92) is connected to the third bolt (91) in a threaded manner.

9. The centrifuge convenient to maintain as claimed in claim 8, wherein a cover plate (93) is disposed on the connecting block (72), a seventh through hole is disposed on the cover plate (93), a fourth threaded hole is disposed on the connecting block (72), and a fourth bolt (94) passing through the seventh through hole and threadedly connected with the fourth threaded hole is disposed on the cover plate (93).

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