Feeding device of centrifugal machine

Abstract

The utility model relates to the technical field of chemical production, and discloses a centrifugal machine feeding device which comprises a base, a centrifugal machine body is fixedly installed on the upper surface of the base, and a bag material feeding assembly is arranged on the upper surface of the base and corresponds to the centrifugal machine body. The bag material feeding assembly comprises two portal frames symmetrically arranged on the two sides of the upper surface of the base, and a transverse lead screw is rotationally connected between the two portal frames. A raw material bag is placed on the surface of the carrying plate, a second electric push rod drives a clamping plate and a pricking needle to move downwards to pierce and fix the bag corner of the raw material bag, then a first hydraulic rod retracts to drive a lifting frame to ascend, and a first servo motor drives a transverse lead screw to rotate to enable a transverse sliding base to transversely move to the position above a centrifugal machine body. The first electric push rod is controlled to stretch out and draw back to move, the tool apron and the cutter can be driven to move, the bottom side of a raw material bag is broken open, raw materials can smoothly fall off from a discharging opening, and the purpose of feeding bagged materials is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical production, more particularly to a centrifuge feeding device. BACKGROUND

[0002] A centrifuge is a machine that separates components of a mixture of solid particles and liquid or liquid and liquid by centrifugal force. The centrifuge is mainly used to separate solid particles and liquid in the suspension, or to separate two liquids with different densities and mutually insoluble in the emulsion.

[0003] After searching, the existing patent (publication number: CN220361348U) discloses a centrifuge feeding device, which is beneficial to realize the automatic feeding operation of the centrifuge by the cooperation of the bottom plate, support frame, motor, screw rod, moving block, connecting plate, lifting ring, clamping tooth, storage tank, supporting plate, stop rod and centrifuge body, etc. structure, so as to reduce the manual feeding operation of the workers, thereby improving the practicability and reliability of the device, and ensuring the normal use of the device. However, the inventor found that the prior art has the following problems in the process of implementing the utility model: the above-mentioned feeding device is to pour the raw materials in the storage tank into the centrifuge during the feeding operation. However, in the chemical industry, most of the powders are packaged in bags. When using bagged raw materials, it is necessary to additionally spend time to pour the raw materials from the packaging bag into the storage tank, which undoubtedly has the defect of complicated operation, and thus it is difficult to use bagged materials.

[0004] Therefore, the utility model provides a centrifuge feeding device for using bagged materials. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a centrifuge feeding device to solve the problems in the above-mentioned background technology.

[0006] The utility model provides the following technical scheme: a centrifuge feeding device, comprising a base, the upper surface of the base is fixedly installed with a centrifuge body, and the upper surface of the base is provided with a bag material feeding assembly corresponding to the centrifuge body;

[0007] The bag feeding assembly includes two gantry frames symmetrically arranged on both sides of the upper surface of the base. A transverse lead screw is rotatably connected between the two gantry frames. A first servo motor that drives the transverse lead screw to rotate is fixedly installed on the surface of the left gantry frame. A transverse slide is threaded onto the surface of the transverse lead screw. Two first hydraulic rods are vertically embedded on the surface of the transverse slide. The two first hydraulic rods move synchronously. A lifting frame is fixedly installed at the telescopic ends of the two first hydraulic rods. A carrier plate is provided at the bottom end of the lifting frame. Two clamps are symmetrically arranged on the surface of the carrier plate. Bag corner clamping components are provided on the surface of the clamps. A vertically penetrating discharge port is opened on the surface of the carrier plate. A first electric push rod is fixedly installed at the bottom end of the carrier plate. A knife holder is fixedly installed at the telescopic end of the first electric push rod. A cutter is fixedly installed on the upper surface of the knife holder.

[0008] As a further description of the above technical solution: a limiting slide rail is fixedly installed between the two gantry frames, and the transverse slide block is slidably connected to the surface of the limiting slide rail; by setting the limiting slide rail, the stability of the transverse slide block movement can be ensured during the transverse movement of the transverse slide block.

[0009] As a further description of the above technical solution: a balance slide bar is fixedly installed on the inner wall of the feeding port, and the tool holder is slidably connected to the surface of the balance slide bar; by setting the balance slide bar, the stability of the tool holder movement can be ensured.

[0010] As a further description of the above technical solution: a folding protective sleeve is fixedly installed between the inner left wall of the feeding port and the left end face of the knife holder. The folding protective sleeve covers the outside of the telescopic end of the first electric push rod. By setting the folding protective sleeve, the telescopic end of the first electric push rod can be shielded and protected to prevent the first electric push rod from contacting the raw material.

[0011] As a further description of the above technical solution: the bag corner clamping assembly includes a second electric push rod embedded in the top of the clamping seat. A clamping plate is fixedly installed at the telescopic end of the second electric push rod. The clamping plate is slidably connected to the inner wall of the clamping seat. A needle is fixedly installed at the bottom end of the clamping plate, and a rubber pad is provided on the surface of the clamping plate corresponding to the lower part of the needle. When fixing the corner of the raw material bag, by controlling the extension of the second electric push rod, the needle can penetrate into the rubber pad and the corner of the bag can be firmly fixed.

[0012] As a further description of the above technical scheme: the surface of the carrier plate is provided with a longitudinal limiting groove, the clamping seat is slidingly connected in the longitudinal limiting groove, the inner wall of the longitudinal limiting groove is rotatably connected with a reversible screw rod, and the back surface of the carrier plate is fixedly installed with a second servo motor for driving the reversible screw rod to rotate, and the two clamping seats are symmetrically screw-connected on the two screw surfaces of the reversible screw rod.

[0013] As a further description of the above technical scheme: the surface of the carrier plate is provided with a longitudinal limiting groove, the clamping seat is slidingly connected in the longitudinal limiting groove, the inner wall of the longitudinal limiting groove is rotatably connected with a reversible screw rod, and the back surface of the carrier plate is fixedly installed with a second servo motor for driving the reversible screw rod to rotate, and the two clamping seats are symmetrically screw-connected on the two screw surfaces of the reversible screw rod.

[0014] As a further description of the above technical scheme: the surface of the carrier plate is provided with a longitudinal limiting groove, the clamping seat is slidingly connected in the longitudinal limiting groove, the inner wall of the longitudinal limiting groove is rotatably connected with a reversible screw rod, and the back surface of the carrier plate is fixedly installed with a second servo motor for driving the reversible screw rod to rotate, and the two clamping seats are symmetrically screw-connected on the two screw surfaces of the reversible screw rod.

[0015] The technical effects and advantages of the present application are as follows:

[0016] 1. Compared with the prior art, the centrifuge feeding device can keep the lifting frame in a low position when used for bagged materials, the carrier plate is close to the base, the material bag is placed on the surface of the carrier plate, the second electric push rod drives the clamping plate and the needle to move downward to pierce and fix the bag corner of the material bag, then the first hydraulic rod is retracted to drive the lifting frame to rise, the first servo motor drives the horizontal screw rod to rotate to make the horizontal sliding seat horizontally move to the upper side of the centrifuge body, the first electric push rod is controlled to move in extension and retraction, the knife seat and the cutter are moved, the bottom side of the material bag is broken, and the material can smoothly fall from the discharge port, achieving the purpose of feeding bagged materials.

[0017] 2. Compared with the prior art, the centrifuge feeding device can ensure the stability of the transverse sliding base movement through the limiting slide rail, can ensure the stability of the knife seat movement through the balance slide rod, can shield the telescopic end of the first electric push rod to avoid contact between the first electric push rod and the raw materials through the folding protective sleeve, can adjust the distance between the two clamping seats through the sliding connection of the clamping seat in the longitudinal limiting groove and the rotation of the positive and negative toothed screw driven by the second servo motor, so as to meet the use of chemical raw material packaging bags of different sizes, and has high practicability; the load plate and the lifting frame are rotationally connected, and when the raw materials are discharged, the rack can be driven to move through the extension of the second hydraulic rod, based on the meshing of the rack and the gear disc, the deflection shaft can be driven to reciprocate, and then the load plate can be driven to swing, so that the raw materials in the packaging bag can be completely dropped out, and the raw material residue is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the utility model lifting frame;

[0020] Figure 3 It is a three-dimensional structure schematic diagram of the utility model lifting frame;

[0021] Figure 4 It is Figure 2 It is an enlarged structure schematic diagram of A in the middle;

[0022] Figure 5 It is a three-dimensional structure schematic diagram of the utility model deflection box.

[0023] The figure mark is: 1, base; 2, centrifuge body; 3, gantry; 4, transverse screw; 5, first servo motor; 6, transverse sliding base; 7, first hydraulic rod; 8, lifting frame; 9, load plate; 10, clamping seat; 11, discharge port; 12, first electric push rod; 13, knife seat; 14, cutter; 15, limiting slide rail; 16, balance slide rod; 17, folding protective sleeve; 18, second electric push rod; 19, clamping plate; 20, thorn needle; 21, rubber pad; 22, positive and negative toothed screw; 23, second servo motor; 24, deflection shaft; 25, deflection box; 26, second hydraulic rod; 27, rack; 28, gear disc; 29, control panel. DETAILED DESCRIPTION

[0024] The technical scheme in the utility model will be described clearly and completely in connection with the drawings in the utility model, and in addition, the forms of each structure recorded in the following implementation manners are only examples, and the centrifuge feeding device involved in the utility model is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without creative labor belong to the protection range of the utility model.

[0025] Referring to Figures 1 to 5 The utility model provides a centrifuge feeding device, including base 1, the upper surface of base 1 is fixedly installed with centrifuge body 2, and the upper surface of base 1 is provided with bag material feeding assembly corresponding to centrifuge body 2.

[0026] Bag material feeding assembly includes two portal frames 3 that are symmetrically arranged on the upper surface of base 1, and the surface of portal frame 3 is fixedly installed with control panel 29, and control panel 29 is electrically connected with external power supply through wire.

[0027] Two portal frames 3 are rotatably connected with horizontal screw rod 4, and the surface of left portal frame 3 is fixedly installed with first servo motor 5 for driving horizontal screw rod 4 to rotate, and the surface of horizontal screw rod 4 is screw-connected with horizontal sliding seat 6.

[0028] Two portal frames 3 are fixedly installed with limiting slide rail 15, and horizontal sliding seat 6 is slidably connected on the surface of limiting slide rail 15.

[0029] Further, by setting limiting slide rail 15, the stability of horizontal sliding seat 6 during horizontal movement can be ensured.

[0030] The surface of horizontal sliding seat 6 is vertically embedded with two first hydraulic rods 7, and the two first hydraulic rods 7 move synchronously, and the telescopic end of two first hydraulic rods 7 is fixedly installed with lifting frame 8, the bottom end of lifting frame 8 is provided with carrier plate 9, the surface of carrier plate 9 is symmetrically provided with two clamping seats 10, and the surface of clamping seat 10 is provided with bag corner clamping assembly.

[0031] Bag corner clamping assembly includes second electric push rod 18 embedded on the top of clamping seat 10, the telescopic end of second electric push rod 18 is fixedly installed with clamping plate 19, clamping plate 19 is slidably connected with the inner wall of clamping seat 10, the bottom end of clamping plate 19 is fixedly installed with needle 20, and the surface of clamping plate 19 is provided with rubber pad 21 corresponding to the lower side of needle 20.

[0032] The surface of carrier plate 9 is provided with downward feeding port 11, and the bottom end of carrier plate 9 is fixedly installed with first electric push rod 12, the telescopic end of first electric push rod 12 is fixedly installed with knife seat 13, the upper surface of knife seat 13 is fixedly installed with cutter 14, and the cutting edge of cutter 14 is slightly higher than the upper surface of carrier plate 9.

[0033] It is worth mentioning that the centrifuge feeding device, when used for bagged materials, first keeps the lifting frame 8 in the low position, at which time the load plate 9 is close to the base 1, the raw material bag is arranged on the surface of the load plate 9, and the second electric push rod 18 is driven to drive the clamping plate 19 and the needle 20 to move downward to pierce and fix the bag corner of the raw material bag. Then the first hydraulic rod 7 is retracted to drive the lifting frame 8 to rise, and the first servo motor 5 is driven to rotate the transverse lead screw 4 to make the transverse sliding seat 6 horizontally move to the upper side of the centrifuge body 2. By controlling the extension and retraction of the first electric push rod 12, the knife seat 13 and the cutter 14 can be moved, the bottom side of the raw material bag is broken, and the raw material can be smoothly dropped from the discharge port 11 position, realizing the purpose of quickly feeding the bagged material.

[0034] The inner wall of the discharge port 11 is fixedly installed with a balance sliding rod 16, and the knife seat 13 is slidingly connected to the surface of the balance sliding rod 16.

[0035] Further, by arranging the balance sliding rod 16, the stability of the movement of the knife seat 13 can be ensured.

[0036] A folding protective sleeve 17 is fixedly installed between the inner left wall of the discharge port 11 and the left end face of the knife seat 13, and the folding protective sleeve 17 covers the outside of the extension end of the first electric push rod 12.

[0037] Further, by arranging the folding protective sleeve 17, the extension end of the first electric push rod 12 can be shielded and protected, avoiding contact between the first electric push rod 12 and the raw material.

[0038] A longitudinal limiting groove is formed in the surface of the load plate 9, the clamping seat 10 is slidingly connected inside the longitudinal limiting groove, a forward and reverse screw rod 22 is rotatably connected to the inner wall of the longitudinal limiting groove, a second servo motor 23 is fixedly installed on the back surface of the load plate 9 to drive the rotation of the forward and reverse screw rod 22, and the two clamping seats 10 are symmetrically screw-connected to the screw surfaces on both sides of the forward and reverse screw rod 22.

[0039] It is worth mentioning that by slidingly connecting the clamping seat 10 inside the longitudinal limiting groove and rotating the forward and reverse screw rod 22 by the second servo motor 23, the distance between the two clamping seats 10 can be adjusted, so that different sizes of chemical raw material packaging bags can be used, and the practicability is strong.

[0040] A deflection shaft 24 is fixedly installed on the surface of the load plate 9, the deflection shaft 24 is rotatably connected to the surface of the lifting frame 8, a deflection box 25 is fixedly installed on the surface of the lifting frame 8, the deflection shaft 24 is rotatably connected to the deflection box 25, a second hydraulic rod 26 is embedded on the left side of the deflection box 25, the extension end of the second hydraulic rod 26 extends into the inside of the deflection box 25 and is fixedly installed with a rack 27, a toothed disc 28 is fixedly installed on the surface of the deflection shaft 24, and the rack 27 and the toothed disc 28 are meshingly connected.

[0041] It is worth mentioning that through the rotation connection of the carrier plate 9 and the lifting frame 8, when the raw materials are discharged, the second hydraulic rod 26 can be controlled to drive the rack 27 to move, based on the meshing of the rack 27 and the gear disc 28, the deflection shaft 24 can be driven to reciprocate, and then the carrier plate 9 is driven to swing, so that the raw materials in the packaging bag can be completely discharged, and the situation of raw material residue is reduced.

[0042] Finally, it should be pointed out that: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A centrifuge feeding device, comprising a base (1), characterized in that: The centrifuge body (2) is fixedly installed on the upper surface of the base (1), and a bag feeding component is provided on the upper surface of the base (1) corresponding to the centrifuge body (2); The bag material feeding assembly includes two gantry frames (3) symmetrically arranged on both sides of the upper surface of the base (1). A transverse screw (4) is rotatably connected between the two gantry frames (3). A first servo motor (5) for driving the transverse screw (4) to rotate is fixedly installed on the surface of the left gantry frame (3). A transverse slide (6) is threadedly connected to the surface of the transverse screw (4). Two first hydraulic rods (7) are vertically embedded on the surface of the transverse slide (6). The two first hydraulic rods (7) move synchronously. 7) The telescopic end is fixedly installed with a lifting frame (8), the bottom end of the lifting frame (8) is provided with a carrier plate (9), the surface of the carrier plate (9) is symmetrically provided with two clamps (10), the surface of the clamps (10) is provided with a bag corner clamping assembly, the surface of the carrier plate (9) is provided with a vertically penetrating discharge port (11), and the bottom end of the carrier plate (9) is fixedly installed with a first electric push rod (12), the telescopic end of the first electric push rod (12) is fixedly installed with a knife holder (13), and the upper surface of the knife holder (13) is fixedly installed with a cutter (14).

2. The centrifuge feeding device according to claim 1, characterized in that: A limiting slide rail (15) is fixedly installed between the two gantry frames (3), and a transverse slide block (6) is slidably connected to the surface of the limiting slide rail (15).

3. A centrifuge feeding device according to claim 1, characterized in that: A balance slide bar (16) is fixedly installed on the inner wall of the feed port (11), and the knife holder (13) is slidably connected to the surface of the balance slide bar (16).

4. A centrifuge feeding device according to claim 3, characterized in that: A folding protective sleeve (17) is fixedly installed between the inner left wall of the feed port (11) and the left end face of the knife holder (13). The folding protective sleeve (17) covers the outside of the telescopic end of the first electric push rod (12).

5. A centrifuge feeding device according to claim 1, characterized in that: The bag corner clamping assembly includes a second electric push rod (18) embedded in the top of the clamping seat (10). A clamping plate (19) is fixedly installed at the telescopic end of the second electric push rod (18). The clamping plate (19) is slidably connected to the inner wall of the clamping seat (10). A needle (20) is fixedly installed at the bottom end of the clamping plate (19), and a rubber pad (21) is provided on the surface of the clamping plate (19) corresponding to the bottom of the needle (20).

6. A centrifuge feeding device according to claim 1, characterized in that: The surface of the carrier plate (9) is provided with a longitudinal limiting groove. The clamp (10) is slidably connected inside the longitudinal limiting groove. The inner wall of the longitudinal limiting groove is rotatably connected with a positive and negative thread screw (22). A second servo motor (23) for driving the positive and negative thread screw (22) to rotate is fixedly installed on the back of the carrier plate (9). The two clamps (10) are symmetrically threaded to the threaded surfaces on both sides of the positive and negative thread screw (22).

7. A centrifuge feeding device according to claim 1, characterized in that: A deflection shaft (24) is fixedly installed on the surface of the carrier plate (9). The deflection shaft (24) is rotatably connected to the surface of the lifting frame (8). A deflection box (25) is fixedly installed on the surface of the lifting frame (8). The deflection shaft (24) is rotatably connected to the deflection box (25). A second hydraulic rod (26) is embedded on the left side of the deflection box (25). The telescopic end of the second hydraulic rod (26) extends into the interior of the deflection box (25) and is fixedly installed with a rack (27). A gear plate (28) is fixedly installed on the surface of the deflection shaft (24). The rack (27) and the gear plate (28) are meshed together.

8. A centrifuge feeding device according to claim 1, characterized in that: A control panel (29) is fixedly installed on the surface of the gantry frame (3), and the control panel (29) is electrically connected to an external power source through wires.

Images