CN219308654U

CN219308654U - Roll cutting device and material forming equipment

Info

Publication number: CN219308654U
Application number: CN202222887794.0U
Authority: CN
Inventors: 杨朦; 唐克俭; 姚伟; 宋天琪; 张晓悦; 曲通
Original assignee: China Petroleum and Chemical Corp; Sinopec Catalyst Co; Sinopec Catalyst Dalian Co Ltd
Current assignee: China Petroleum and Chemical Corp; Sinopec Catalyst Co; Sinopec Catalyst Dalian Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-07-07
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to the technical field of material processing and forming, and discloses a roll cutting device and material forming equipment. According to the utility model, the friction grooves are formed on the annular surface of the annular cutter on the outer surface of the roller cutter, so that the friction force between the strip-shaped material and the annular cutter is increased by utilizing the friction grooves, the phenomena of slipping and continuous cutting when the strip-shaped material falls to the roller cutter are avoided, the production efficiency is improved, the structure is simple, and the operation is convenient.

Description

Roll cutting device and material forming equipment

Technical Field

The utility model relates to the technical field of material processing and forming, in particular to a roll cutting device and material forming equipment.

Background

In the oil refining field of petrochemical industry, the pentadentate sphere catalyst is used as one of the special-shaped sphere catalysts, and has the advantages of large specific area, high hydrogenation activity, large treatment load, low initial reaction temperature, good mechanical property, long service life and the like, and is widely applied. The preparation of the catalyst mainly comprises the steps of extruding raw materials into strips, cutting the strip-shaped catalyst into preset lengths, and then carrying out roll cutting on the catalyst with the preset lengths by using roll cutting forming equipment to obtain a catalyst finished product.

However, in the conventional catalyst preparation apparatus, when one extruder extrudes two carrier strips simultaneously, two strip shafts are required to be equipped in the strip reversing unit, and two strip shafts may be provided in the roll-cutting forming apparatus, which may be separately provided on both sides of the carrier short strip conveyor belt for cutting and granulating. Obviously, when one strip extruding machine simultaneously extrudes two carrier strips, two strip plate shafts are required to be arranged, and the structure is complex; when a plurality of carrier strips are extruded simultaneously by one strip extruder, a plurality of catalysts with preset lengths are required to be conveyed from a conveyor belt to fall to roll cutting forming equipment, slipping and continuous cutting can always occur, so that catalyst accumulation is caused when the catalysts are continuously conveyed to the roll cutting forming equipment, the yield after granulating is extremely low, and the efficiency of a catalyst preparation device is low and cannot meet the use requirement.

Disclosure of Invention

The utility model aims to provide a roll cutting device and material forming equipment, so as to solve at least one problem.

In order to achieve the above object, according to one aspect of the present utility model, a roll cutting device is provided, where the roll cutting device is used for roll-cutting and granulating strip-shaped materials to obtain finished products of the materials, the roll cutting device includes two roll knives which are parallel to each other and are arranged with zero gaps and can rotate in opposite directions in synchronization, a plurality of annular cutters and a plurality of annular guard grooves are arranged on the outer circumferential surface of each roll knife around the circumference of the roll knife, the annular cutters and the annular guard grooves are staggered along the axial direction of the roll knife, the annular cutters and the annular guard grooves of the two roll knives are respectively and correspondingly arranged, and a plurality of friction grooves which extend along the axial direction and are arranged along the circumferential direction at intervals are arranged on the annular surface of the annular cutter.

Preferably, the cross section of the annular protective groove is semicircular, and the annular protective grooves of the two roller cutters form a circular roller cutting granulation space at the joint.

In another aspect, the utility model provides a material forming apparatus comprising a roll cutting device as described above.

Preferably, the material forming device comprises a main case, a conveying belt and two roll cutting devices, wherein a strip discharging die is arranged at a side surface extrusion opening of the main case, and is arranged above the conveying belt and used for extruding strip-shaped materials, and the two roll cutting devices are parallel to each other and are arranged below the conveying belt at intervals.

Preferably, the strip-out mold comprises a first mold and a second mold which are symmetrically arranged at the left side and the right side, the first mold comprises a first mold hole and a second mold hole, the second mold comprises a third mold hole and a fourth mold hole, and the first mold hole, the second mold hole, the third mold hole and the fourth mold hole are flush and arranged on the same horizontal height.

Preferably, the die holes are arranged in a pentadentate shape, a clover shape or a clover shape, and/or the material forming equipment further comprises two material cutting devices respectively arranged corresponding to the first die and the second die, and the material cutting devices are used for cutting the strip-shaped material from the strip-out die into short strip-shaped material and conveying the short strip-shaped material forward to the roll cutting device by the conveying belt.

Preferably, the material breaking device comprises a material breaking shaft and two material breaking rotary cutters, wherein the two material breaking rotary cutters are arranged on the material breaking shaft at intervals along the axial direction of the material breaking shaft and are arranged in a staggered manner along the circumferential direction of the material breaking shaft, the two material breaking devices adopt the same material breaking shaft, and the four material breaking rotary cutters respectively correspond to the first die hole, the second die hole, the third die hole and the fourth die hole.

Preferably, the material forming device comprises two parallel material stirring devices which are arranged at intervals, wherein the two material stirring devices are arranged above the conveying belt and are used for stirring short strip-shaped materials in transportation into the two roll cutting devices respectively.

Preferably, the stirring device comprises a rotatable stirring shaft with an axis parallel to the conveying direction of the conveying belt, a stirring plate arranged below the stirring shaft and an auxiliary shaft which is parallel to the stirring shaft and is arranged above the stirring shaft and is fixed, a plurality of eccentric wheels which are arranged at intervals are arranged on the stirring shaft, a plurality of guide wheels which are arranged at intervals are arranged on the auxiliary shaft, a steel sleeve with clamping force is sleeved outside the eccentric wheels, the steel sleeve is connected with the guide wheels through two limit rods on two sides, the stirring shaft rotates to drive the eccentric wheels to synchronously rotate so as to drive the steel sleeve to rotate, and the steel sleeve rotates to drive the limit rods to slide up and down relative to the guide wheels, so that the stirring plate periodically swings back and forth along the conveying direction perpendicular to the conveying belt.

Preferably, the material forming device comprises a discharge port arranged below the roll cutting device and used for discharging a material finished product from the roll cutting device.

According to the roller cutting device, the friction grooves are formed in the annular surface of the annular cutter on the outer surface of the roller cutter, so that the friction force between the strip-shaped materials and the annular cutter is increased, the problems of slipping and continuous cutting when the strip-shaped materials fall to the roller cutting device are avoided, the production efficiency is improved, the structure is simple, and the operation is convenient.

Drawings

FIG. 1 is a schematic view of the structure of an embodiment of the material forming apparatus of the present utility model;

FIG. 2 is a top view of the material forming apparatus of FIG. 1;

FIG. 3 is a left side view of the strip die of the material forming apparatus shown in FIG. 1;

FIG. 4 is a cross-sectional view of a kick-out device of the material forming apparatus shown in FIG. 1, with a kick-out plate omitted;

fig. 5 is a side expanded view of two roll cutting devices of the material forming apparatus shown in fig. 1.

Description of the reference numerals

The device comprises a main machine box 1-part, a feeding hopper 2-part, a conveying belt 3-part, a material stirring device 4-part, a material stirring shaft 401-part, a steel sleeve 402-part, a limiting rod 403-part, a guide wheel 404-part, an auxiliary shaft 405-part, an eccentric wheel 406-part, a material stirring plate 407-part, a roller cutting device 5-part, a roller cutter 501-part, an annular protective groove 502-part, an annular cutter 503-part, a friction groove 504-part, a roller cutting granulating space 505-part, a material cutting device 6-part, a material cutting shaft 601-part, a material cutting rotary cutter 602-part, a 7-part die, a first die 701-part, a second die 702-part, a first die hole 703-part, a second die hole 704-part, a fourth die hole 705-part, a third die hole 706-part and a material discharging hole 8-part.

Detailed Description

In the present utility model, unless otherwise indicated, directional terms such as "upper, lower, left, right, inner, outer, front, rear" and the like are used with respect to the direction or positional relationship shown based on the drawings for convenience of description of the present design and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present design.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a roll cutting device, which is used for roll cutting and granulating strip materials to obtain finished products of the materials, wherein the roll cutting device 5 comprises two roll cutters 501 which are parallel to each other and are arranged in a zero-clearance mode and can synchronously rotate in opposite directions, a plurality of annular cutters 503 and a plurality of annular protection grooves 502 are arranged on the peripheral surface of each roll cutter 501 around the circumference of the roll cutter 501, the annular cutters 503 and the annular protection grooves 502 are arranged in a staggered mode along the axial direction of the roll cutter 501, the annular cutters 503 and the annular protection grooves 502 of the two roll cutters 501 are respectively arranged correspondingly, and a plurality of friction grooves 504 which extend along the axial direction and are arranged at intervals along the circumferential direction are arranged on the annular surface of the annular cutter 503.

In this embodiment, in order to make the strip material enter the inside of the roll cutting device to perform roll cutting granulation more smoothly and ensure the success rate of the roll cutting granulation, the utility model increases the friction force between the strip material and the annular cutter by arranging a plurality of friction grooves 504 on the roll knife 501 of the roll cutting device 5, thereby avoiding the slipping phenomenon when the strip material enters the roll cutting device 5, ensuring the success rate of the roll cutting granulation and improving the production efficiency. And, the roll cutting device 5 includes two roll knives 501 that are parallel to each other and zero clearance is arranged and can rotate in opposite directions in step, is provided with a plurality of annular cutters 503 and a plurality of annular guard slots 502 around the circumference of roll knife 501 on the outer peripheral face of every roll knife 501, and is a plurality of annular cutters 503 and a plurality of annular guard slots 502 are arranged along the axial of roll knife 501 in a staggered way, be convenient for cut the short strip material into the sphere by the annular cutters 503 on two roll knives 501 that rotate in opposite directions in step under the condition that annular guard slots 502 protection does not take place the side deformation, finally form spherical material.

Wherein, according to one embodiment of the present utility model, as shown in fig. 5, the cross section of the annular guard groove 502 is semicircular, and the annular guard groove 502 of the two roller blades 501 forms a circular roller cutting granulating space 505 at the joint. It can be appreciated that the annular protection groove 502 forms a circular roll-cutting granulating space 505 at the joint of the two roll knives 501, which is beneficial to preventing the side surface from being damaged and deformed when the short strip-shaped material enters the roll-cutting device 5, and ensuring that the material can completely enter the roll-cutting granulating space 505 for roll cutting.

The utility model also provides a material forming device which comprises the roll cutting device 5.

According to one embodiment of the present utility model, as shown in fig. 1 and 2, the material forming apparatus includes a main machine case 1, a conveyor belt 3, and two roll cutting devices 5, wherein a strip-discharging mold 7 is installed at a side extrusion port of the main machine case 1, the strip-discharging mold 7 is disposed above the conveyor belt 3, and is used for extruding strip-shaped materials, and the two roll cutting devices 5 are disposed below the conveyor belt 3 in parallel and spaced apart from each other. It will be appreciated that the raw material entering the main housing 1 from the feed opening is first extruded through the strip die 7 to form a long strip of material, which is then conveyed onwards by the conveyor 3.

As shown in the embodiment of fig. 3, the strip-out mold 7 includes a first mold 701 and a second mold 702 symmetrically disposed on both left and right sides, the first mold 701 includes a first mold hole 703 and a second mold hole 704, the second mold 702 includes a third mold hole 706 and a fourth mold hole 705, and the first mold hole 703, the second mold hole 704, the third mold hole 706 and the fourth mold hole 705 are flush-disposed on the same horizontal level. So set up, the primary material of being convenient for mainframe box 1 extrusion can be simultaneously by extrusion molding through first mould 701 and second mould 702, and efficiency is double to two moulds share a conveyer belt 3, have simplified the structure of former.

Wherein, the die holes can be arranged into different shapes according to actual demands, for example, the die holes can be arranged into a five-tooth shape, a clover shape or a four-leaf grass shape, etc. As an alternative embodiment, in the present application, as shown in fig. 3, the die holes are provided in a five-tooth shape.

Wherein, according to one embodiment of the utility model, the material forming apparatus further comprises two material breaking devices 6 respectively arranged corresponding to the first die 701 and the second die 702, wherein the material breaking devices 6 are used for cutting the strip-shaped material from the strip-out die 7 into short strip-shaped material, and the short strip-shaped material is conveyed forward to the roll cutting device 5 by the conveying belt 3.

As shown in the embodiment of fig. 2, the material breaking device 6 includes a material breaking shaft 601 and two material breaking rotary cutters 602, where the two material breaking rotary cutters 602 are disposed on the material breaking shaft 601 at intervals along the axial direction of the material breaking shaft 601 and are staggered along the circumferential direction of the material breaking shaft 601. Wherein, the included angle of two material-breaking rotary knives 602 can be set according to actual requirements, and as an alternative implementation manner, in the present application, two material-breaking rotary knives 602 are axially staggered and circumferentially symmetrically arranged. And two material breaking devices 6 adopt the same material breaking shaft 601, and four material breaking rotary knives 602 are respectively arranged corresponding to a first die hole 703, a second die hole 704, a third die hole 706 and a fourth die hole 705. By this arrangement, the long materials extruded from the first die hole 703, the second die hole 704, the third die hole 706 and the fourth die hole 705 can be cut into short materials alternately, and when the short materials are conveyed to the lower part of the material pulling device 4 (described below) through the conveying belt 3, the short materials are in a dislocation state, so that the short materials are not overlapped when being pulled to the roll cutting device 5 by the material pulling device 4.

Wherein, according to an embodiment of the utility model, the material forming equipment comprises two parallel and spaced material stirring devices 4, and the two material stirring devices 4 are arranged above the conveying belt 3 and are used for stirring short strip-shaped materials in transportation into the two roll cutting devices 5 respectively.

In the embodiment shown in fig. 4, the material stirring device 4 includes a rotatable material stirring shaft 401 with an axis parallel to the conveying direction of the conveying belt 3, a material stirring plate 407 disposed below the material stirring shaft 401, and an auxiliary shaft 405 parallel to the material stirring shaft 401 and fixed above the material stirring shaft 401, wherein the material stirring shaft 401 is provided with a plurality of eccentric wheels 406 arranged at intervals, the auxiliary shaft 405 is provided with a plurality of guide wheels 404 arranged at intervals, a steel sleeve 402 with a clamping force is sleeved outside the eccentric wheels 406, the steel sleeve 402 is connected with the guide wheels 404 through two limit rods 403 on two sides, and the eccentric wheels 406 rotate to drive the steel sleeve 402 to rotate so as to drive the limit rods 403 to slide up and down relative to the guide wheels 404, so that the material stirring plate 407 periodically swings back and forth along the conveying direction perpendicular to the conveying belt 3. It can be understood that two limiting rods 403 are arranged above the steel sleeve 402 to form a fixed structure, and such fixed structure is arranged at least at two positions on one stirring device at intervals, so that the stirring plate 407 can stably swing the stirring plate, the stirring shaft 401 can drive the eccentric wheel 406 to synchronously rotate, further drive the steel sleeve 402 to rotate, and the limiting rods 403 slide relative to the guide wheel 404, but because the steel sleeve 402 is sleeved outside the eccentric wheel 406 and has a certain clamping force, the stirring shaft 401 can drive the eccentric wheel 406 to rotate by 360 degrees, but the steel sleeve 402 cannot rotate by 360 degrees, therefore, when the stirring shaft 401 drives the eccentric wheel 406 to rotate by the largest angle which can be achieved by the steel sleeve 402, the steel sleeve 402 does not continuously rotate in the same direction along with the stirring shaft 401, but drives the limiting rods 403 to reversely slide relative to the guide wheel 404 under the action of a reaction force, further drive the stirring shaft 401 to reversely rotate, and periodically swing the stirring plate 407 back and forth along the conveying direction perpendicular to the conveying direction of the conveying belt 3.

In the utility model, the material forming equipment can also comprise a discharge hole 8, wherein the discharge hole 8 is arranged below the roll cutting device 5 and is used for discharging a material finished product from the roll cutting device 5.

For example, as shown in fig. 2, in the case that the material forming apparatus includes two roll cutting devices 5, the material forming apparatus may include two discharge ports 8, and the two discharge ports 8 are respectively disposed below the two roll cutting devices 5.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, including combinations of individual specific technical features in any suitable way. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.

Claims

1. The utility model provides a roll cutting device, its characterized in that, roll cutting device (5) are used for cutting the granulation with strip material roller and obtain the material finished product, roll cutting device (5) are including two roller sword (501) that are parallel to each other and zero clearance is arranged can synchronous looks pivoted, every on the outer peripheral face of roller sword (501) around the circumference of roller sword (501) is provided with a plurality of annular cutters (503) and a plurality of annular guard groove (502), a plurality of annular cutters (503) and a plurality of annular guard groove (502) are followed the axial staggered arrangement of roller sword (501), two annular cutters (503) of roller sword (501) with annular guard groove (502) correspond the setting respectively, be provided with on the annular surface of annular cutter (503) along the axial extension and along a plurality of friction grooves (504) of circumference interval arrangement.

2. The roll-cutting device according to claim 1, characterized in that the cross section of the annular protective groove (502) is semicircular, and that the annular protective grooves (502) of two roll knives (501) form a circular roll-cutting granulation space (505) at the junction.

3. A material forming apparatus, characterized in that it comprises a roll-cutting device (5) according to claim 1 or 2.

4. A material forming apparatus according to claim 3, characterized in that the material forming apparatus comprises a main case (1), a conveyor belt (3) and two roll-cutting devices (5), a strip-discharging die (7) is mounted at a side extrusion opening of the main case (1), the strip-discharging die (7) is arranged above the conveyor belt (3) for extruding strip-shaped materials, and the two roll-cutting devices (5) are arranged below the conveyor belt (3) in parallel and at intervals.

5. The material forming apparatus according to claim 4, wherein the strip-out die (7) includes a first die (701) and a second die (702) symmetrically disposed on both left and right sides, the first die (701) includes a first die hole (703) and a second die hole (704), the second die (702) includes a third die hole (706) and a fourth die hole (705), and the first die hole (703), the second die hole (704), the third die hole (706) and the fourth die hole (705) are flush disposed on the same level.

6. The material forming apparatus according to claim 5, wherein the die holes are provided in a pentadentate, clover or clover shape, and/or

The material forming equipment further comprises two material cutting devices (6) which are respectively arranged corresponding to the first die (701) and the second die (702), wherein the material cutting devices (6) are used for cutting the strip-shaped materials from the strip-out die (7) into short strip-shaped materials and conveying the short strip-shaped materials forwards to the roll cutting device (5) through the conveying belt (3).

7. The material forming apparatus according to claim 6, wherein the material breaking device (6) comprises a material breaking shaft (601) and two material breaking rotary cutters (602), the two material breaking rotary cutters (602) are arranged on the material breaking shaft (601) at intervals along the axial direction of the material breaking shaft (601) and are staggered along the circumferential direction of the material breaking shaft (601), two the material breaking devices (6) adopt the same material breaking shaft (601), and four material breaking rotary knives (602) are respectively corresponding to the first die holes (703), the second die holes (704), the third die holes (706) and the fourth die holes (705).

8. The material forming apparatus according to claim 6, characterized in that the material forming apparatus comprises two parallel and spaced-apart material-pulling devices (4), two of the material-pulling devices (4) being arranged above the conveyor belt (3) for pulling short strip-shaped material in transport into two of the roll-cutting devices (5), respectively.

9. The material forming device according to claim 8, wherein the material stirring device (4) comprises a rotatable stirring shaft (401) with an axis parallel to the conveying direction of the conveying belt (3), a stirring plate (407) arranged below the stirring shaft (401) and an auxiliary shaft (405) which is parallel to the stirring shaft (401) and is fixedly arranged above the stirring shaft (401), a plurality of eccentric wheels (406) which are arranged at intervals are arranged on the stirring shaft (401), a plurality of guide wheels (404) which are arranged at intervals are arranged on the auxiliary shaft (405), a steel sleeve (402) with clamping force is sleeved outside the eccentric wheels (406), the steel sleeve (402) is connected with the guide wheels (404) through two limit rods (403) on two sides, the stirring shaft (401) rotates to drive the eccentric wheels (406) to synchronously rotate, and further drive the steel sleeve (402) to rotate, and the steel sleeve (402) rotates to drive the limit rods (403) to slide relative to the guide wheels (404) along the conveying direction of the conveying belt (407) in a reciprocating mode.

10. The material forming apparatus according to any one of claims 3-9, characterized in that the material forming apparatus comprises a discharge opening (8), which discharge opening (8) is arranged below the roll-cutting device (5) for discharging a material product from the roll-cutting device (5).