Double-roller type granulator for calcium-zinc stabilizer

Abstract

The utility model discloses a double-roller type granulator for a calcium-zinc stabilizer, which comprises a machine room, a granulating cylinder penetrating through the front end face and the rear end face is mounted in the middle of the machine room, a forming cylinder in transmission connection with a motor is coaxially and rotatably mounted in the granulating cylinder, a front end cover is mounted at the front end of the granulating cylinder, and a rear end cover is mounted at the rear end of the granulating cylinder. The rear end cover is provided with a positioning shaft extending to the front side of the forming cylinder and two mounting shafts, the positioning shaft is sleeved with a spacer bush, roller bodies are rotationally mounted on the mounting shafts, and a gap between the outer wall surface of each roller body and the corresponding area of the inner wall surface of the forming cylinder forms a granulation forming channel; the front end of the positioning shaft and the front end of the mounting shaft are fixedly provided with a supporting plate for limiting the axial movement of the spacer bush and the roller body in a penetrating manner, and a distance adjusting assembly for adjusting the distance between the granulation forming channels is arranged between the supporting plate and the roller body. According to the double-roller type granulator disclosed by the utility model, the assembly difficulty of the roller bodies in the machine room is greatly reduced, the assembly and maintenance efficiency of the roller bodies is remarkably improved, and the granulation processing efficiency of a calcium-zinc stabilizer is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid stabilizer processing technical field, concretely relates to a double-roller granulator for calcium zinc stabilizer. BACKGROUND

[0002] The granulator is a kind of forming equipment that can make material into specific shape, which is widely used in chemical, petrochemical, pharmaceutical, food, building material, mining, environmental protection, printing and dyeing, rubber, plastic and other fields.Stabilizer, as one of the commonly used additives in PVC product processing, plays an indelible role in the modification of PVC products.Among them, calcium zinc stabilizer has good environmental protection, so it is widely used in PVC product processing.

[0003] At present, imported three-roller granulator is mostly used in the production and processing of calcium zinc stabilizer. Among them, the three rollers in the three-roller granulator are fixedly installed in the warehouse by a pair of triangular supports located at both ends. It is found through use that the installation precision of the three rollers in the warehouse is relatively high, and it is necessary to use a caliper to continuously measure and adjust the position of the rollers during assembly to ensure that the distance of the granulation forming channel meets the requirements, that is, the centering adjustment and installation process of the three rollers is complicated and time-consuming, and the technical level of the operator is relatively high. In addition, the components installed at both ends of the three rollers are consumable parts, and the components at both ends of the rollers need to be repaired and replaced regularly. The repair process is similar to the initial assembly process, and the operation process is complicated and time-consuming, which seriously restricts the production and processing efficiency of calcium zinc stabilizer. Therefore, the utility model provides a double-roller granulator for calcium zinc stabilizer with novel structure to solve the above technical problems. SUMMARY

[0004] The utility model aims at overcoming the defects in the prior art, and provides a double-roller granulator for calcium zinc stabilizer. By setting positioning shaft and mounting shaft on the rear end cover, the roller body only needs to be sleeved and installed on the mounting shaft. The roller body installation process does not need to be centered and measured and adjusted with the aid of a caliper and other tools. Compared with the traditional three-roller granulator, the assembly difficulty of the roller body in the warehouse is greatly reduced, the technical level of the operator is low, the assembly or repair efficiency of the roller body is significantly improved, which helps to improve the granulation processing efficiency of calcium zinc stabilizer. The roller body is clamped between the rear end cover and the supporting plate, and a spacer sleeve sleeved on the positioning shaft is further arranged between the rear end cover and the supporting plate, which further ensures the working stability of the forming cylinder and the roller body during mutual rotation granulation. The overall structure design is ingenious and reasonable, the preparation implementation feasibility is high, and the practicality is strong.

[0005] To achieve the above object, the technical scheme of the utility model is a double-roller granulator for calcium-zinc stabilizer, which comprises a machine bin, a granulating cylinder is installed in the middle of the machine bin, a forming cylinder is coaxially installed inside the granulating cylinder, the forming cylinder is in transmission connection with the output shaft of a motor, the cylinder wall of the forming cylinder is provided with forming holes, a front end cover is installed at the front end of the granulating cylinder, and a rear end cover is installed at the rear end, the rear end cover is provided with a positioning shaft extending to the front end of the forming cylinder and two mounting shafts, a spacer sleeve is sleeved and installed on the positioning shaft, one roller body is rotatably installed on each of the two mounting shafts, the gap between the outer wall surface of the roller body on one of the mounting shafts, which is away from the other mounting shaft, and the corresponding area of the inner wall surface of the forming cylinder forms a granulating and forming channel, the front end part of the positioning shaft and the front end part of the mounting shaft are further provided with a support plate for limiting the axial movement of the spacer sleeve and the roller body, and a spacing adjusting assembly for adjusting the spacing of the granulating and forming channel is arranged between the support plate and the roller body.

[0006] The double-roller granulator for calcium-zinc stabilizer of the utility model has the advantages that the positioning shaft and the mounting shaft are arranged on the rear end cover, the roller body only needs to be sleeved and installed on the mounting shaft, the roller body installation process does not need to be adjusted by means of a plug gauge and other tools for centering measurement, the assembly difficulty of the roller body in the machine bin is greatly reduced, the technical level requirement of the operator is low, the assembly or maintenance efficiency of the roller body is significantly improved, the granulating and processing efficiency of the calcium-zinc stabilizer is improved, the roller body is clamped between the rear end cover and the support plate, the spacer sleeve is further arranged on the positioning shaft between the rear end cover and the support plate, and the working stability during the mutual rotation granulation between the forming cylinder and the roller body is further ensured, the overall structure is clever and reasonable, the preparation implementation feasibility is high, and the utility model has high practicability.

[0007] Preferably, the roller bodies installed on the two mounting shafts are located at the same horizontal diameter ends of the same cross-sectional circumferential surface of the forming cylinder, and the positioning shaft is located above the middle of the line connecting the two mounting shafts. The positioning shaft and the two mounting shafts are correspondingly distributed on the three vertices of an isosceles triangle, and the positioning shaft is located at the upper side, so that the rear end cover is subjected to uniform force after the roller bodies are installed on the mounting shafts, and the stability of the double-roller granulator of the utility model during the granulating work is further improved.

[0008] Further preferred technical solutions also have, the front end of the positioning shaft and the front end of the two mounting shafts are respectively provided with threaded segments, the support plate is provided with three mounting holes two, and the three mounting holes two are correspondingly located at the three vertices of the same isosceles triangle, the support plate is correspondingly sleeved on the front end of the positioning shaft and the two mounting shafts through the three mounting holes two, and is fixed and locked through the corresponding threaded segments and the nut three. The fixing and mounting mode of the support plate on the front end of the mounting shaft and the front end of the positioning shaft is simple, which ensures that the double-roller granulator of the utility model can be smoothly prepared and implemented.

[0009] Further preferred technical solutions also have, the roller body is internally rotatably mounted with an axis body located on the axial center line, the front end face of the axis body has an eccentric shaft joint, the free end of the eccentric shaft joint is milled with an outer hexagonal end, the axis body, the eccentric shaft joint and the outer hexagonal end have an installation hole one penetrating through the front and rear ends of the roller body, the roller body is sleeved and mounted on the corresponding mounting shaft through the installation hole one, and the eccentric shaft joint is penetrated in the corresponding mounting hole two on the support plate, and the outer hexagonal end extends to the outside of the front side of the support plate;

[0010] Further comprising a ring-shaped adjusting plate, the inner hole of the ring-shaped adjusting plate is a sawtooth-shaped inner hole, the ring-shaped adjusting plate has an arm plate extending radially outward, and the ring-shaped adjusting plate is sleeved and clamped on the outer hexagonal end on the roller body through the sawtooth-shaped inner hole;

[0011] The front side of the support plate is fixedly attached with a circular plate, two tangential ear plates are protrudingly arranged on the outer circumferential side of the circular plate, the two ear plates are centrally symmetrically arranged about the circular plate, the ear plate has a threaded hole, and the axial center line of the threaded hole is parallel to the support plate, an adjusting screw is screwed and mounted in the threaded hole, one end of the adjusting screw abuts against a corresponding arm plate, and the circular plate, the ear plate, the threaded hole, the adjusting screw, the ring-shaped adjusting plate, the sawtooth-shaped inner hole, the arm plate, the axis body, the eccentric shaft joint and the outer hexagonal end constitute the spacing adjusting assembly. The spacing adjusting assembly is cleverly and reasonably designed, the spacing of the corresponding side granulation forming channel can be adjusted by rotating the adjusting screw, the operation is simple, and the spacing adjusting assembly is flexible and practical.

[0012] Further preferred technical solutions also have, the end of the adjusting screw away from the corresponding arm plate is further screwed with a nut two abutting against the ear plate. The nut two further improves the mounting firmness of the adjusting screw on the ear plate, that is, ensures that the spacing of the granulation forming channel is adjusted in place and cannot be randomly changed due to vibration of the use condition, and helps to further ensure the uniformity of the granulation and molding of the calcium zinc stabilizer.

[0013] Further preferred technical solutions also have, the support plate upper and lower ends are respectively provided with a group of scraper assembly, each group of the scraper assembly includes connecting screw rod and the scraper fixed to the connecting screw rod one end, the support plate upper and lower ends are respectively fixed with a nut one, the connecting screw rod on each group of scraper assembly is screwed on the corresponding nut one, and the scraper is located at the front end edge position of the forming cylinder correspondingly. In the granulation operation, the scraper assembly located at the upper and lower ends of the support plate plays a role of collecting and gathering the material flowing to the front end edge of the forming cylinder to the inside.

[0014] Further preferred technical solutions also have, the circular plate center has a mounting hole three, the support plate center has a mounting hole four, the circular plate is fixedly installed on the front side of the support plate through the bolt assembly inserted in the mounting hole three and the mounting hole four.

[0015] Further preferred technical solutions also have, the nut three one end has a backing plate, and in use, the backing plate is located on the side towards the support plate. Further ensure the firmness of the support plate in the installation of the front end of the positioning shaft and the front end of the mounting shaft.

[0016] Further preferred technical solutions also have, the left top corner position and the right top corner position of the upper end surface of the machine bin are respectively provided with a motor mounting chamber for installing a motor, the middle part of the upper end surface of the machine bin is provided with a feeding port, and the lower end part of the machine bin is provided with a discharging port.

[0017] Further preferred technical solutions also have, the roller body outer peripheral side is provided with a plurality of strip grooves in a ring shape and at intervals, and the length direction of the strip grooves is consistent with the length direction of the roller body. It is helpful to improve the extrusion friction force between the outer wall surface of the roller body, the inner wall surface of the forming cylinder and the material, so as to avoid the rotation and slipping phenomenon of the material in the molding channel, and ensure the high efficiency of the double-roller granulator in the granulation of the calcium-zinc stabilizer.

[0018] The advantages and beneficial effects of the double-roller granulator for calcium-zinc stabilizer are as follows:

[0019] 1. The double-roller granulator for calcium-zinc stabilizer, by setting the positioning shaft and the mounting shaft on the rear end cover, only needs to be sleeved and installed on the mounting shaft, and the roller body installation process does not need to be adjusted by the aid of a caliper and other tools for centering measurement, compared with the traditional three-roller granulator, the assembly difficulty of the roller body in the machine bin is greatly reduced, the technical level requirement of the operator is low, the assembly or maintenance efficiency of the roller body is significantly improved, and the granulation efficiency of the calcium-zinc stabilizer is improved.

[0020] 2. The rollers mounted on the two mounting shafts are located at the same horizontal diameter ends on the same cross-sectional circumference of the forming cylinder, and the positioning shaft is located above the middle of the line connecting the two mounting shafts. The positioning shaft and the two mounting shafts are distributed at the three vertices of an isosceles triangle, with the positioning shaft located on the upper side. This ensures that the rear end cover is evenly stressed after the rollers are mounted on the mounting shafts, which helps to further improve the stability of the double-roller granulator during granulation.

[0021] 3. The spacing adjustment component has a clever and reasonable structural design. The spacing of the granulation and forming channel on the corresponding side can be adjusted by rotating the adjustment screw. It is simple to operate and highly flexible and practical.

[0022] 4. The end of the adjusting screw facing away from the corresponding arm plate is also screwed with a second nut that abuts against the ear plate. The second nut further improves the installation firmness of the adjusting screw on the ear plate, ensuring that the granulation channel spacing will not change arbitrarily due to vibrations during operation after adjustment, which helps to further ensure the uniformity of calcium-zinc stabilizer granulation.

[0023] 5. During the granulation process, the scraper assemblies located at the upper and lower ends of the support plate collect and gather the material flowing to the front edge of the forming cylinder inward.

[0024] 6. The outer peripheral side of the roller body is provided with several strip-shaped grooves spaced apart circumferentially, and the length direction of the strip-shaped grooves is consistent with the length direction of the roller body. This helps to increase the extrusion friction between the outer wall of the roller body, the inner wall of the forming cylinder, and the material, thereby preventing the material located in the forming channel from rotating and slipping, and ensuring the high efficiency of the double-roller granulator of this utility model in granulating calcium-zinc stabilizers. Attached Figure Description

[0025] Figure 1 This is a diagram showing one end of a two-roller granulator for calcium-zinc stabilizers according to this utility model;

[0026] Figure 2 This is a diagram of one end of a two-roller granulator for calcium-zinc stabilizers according to the present invention (front end cover is hidden);

[0027] Figure 3 yes Figure 2 A magnified view of the location of the middle granulation cylinder;

[0028] Figure 4 This is the front view of the support plate;

[0029] Figure 5 This is the front view of the circular plate;

[0030] Figure 6 It is a 3D view of the rear cover;

[0031] Figure 7 is a perspective view of the forming cylinder;

[0032] Figure 8 is a perspective view of the roller body;

[0033] Figure 9 is a perspective view of the spacer sleeve;

[0034] Figure 10 is a perspective view of the nut three;

[0035] Figure 11 is a front view of the annular adjusting plate.

[0036] In the figure: 1, machine bin; 2, rear end cover; 3, spacer sleeve; 4, roller body; 5, forming cylinder; 6, support plate; 7, circular plate; 8, bolt assembly; 9, adjusting screw; 10, scraper; 11, front end cover; 12, annular adjusting plate; 1-1, granulating cylinder; 1-2, motor mounting chamber; 1-3, charging port; 1-4, discharging port; 2-1, positioning shaft; 2-2, mounting shaft; 4-1, shaft body; 4-2, eccentric shaft joint; 4-3, outer hexagonal end; 4-4, mounting hole one; 4-5, strip-shaped recess; 5-1, forming hole; 5-2, reinforcing ring; 6-1, mounting hole two; 6-2, nut one; 7-1, mounting hole three; 7-2, ear plate; 7-3, threaded through hole; 9-1, nut two; 10-1, connecting screw; 12-1, sawtooth-shaped inner hole; 12-2, arm plate; A, threaded section; B, nut three; B-1, backing plate. DETAILED DESCRIPTION

[0037] The specific embodiments of the present application will be further described in conjunction with the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the present application, and cannot be used to limit the protection scope of the present application.

[0038] EXAMPLE

[0039] As Figures 1-11The utility model discloses a double roll granulator for calcium zinc stabilizer, including the storehouse 1, the storehouse 1 middle part is equipped with the granulating cylinder 1-1 of through front and back two end faces, the granulating cylinder 1-1 inside coaxial rotation and is equipped with the forming cylinder 5, the forming cylinder 5 with motor's output shaft drive connection, the cylinder wall of forming cylinder 5 has forming hole 5-1, the granulating cylinder 1-1 front end is equipped with the front end cover 11, and the rear end is equipped with rear end cover 2, the rear end cover 2 has the locating shaft 2-1 and two mounting shafts 2-2 that extend to the front end of forming cylinder 5 to the forward side, the locating shaft 2-1 is equipped with the spacer sleeve 3 of sleeve joint, two mounting shafts 2-2 are respectively equipped with a roller body 4 of rotation and installation, the roller body 4 on one of two mounting shafts 2-2 is away from the side outer wall surface of another mounting shaft 2-2 with the corresponding area between the inner wall surface of forming cylinder 5 forms the granulating forming channel, the locating shaft 2-1 front end part and mounting shaft 2-2 front end part still wear and tear fixed with the support plate 6 for limiting the axial excursion of spacer sleeve 3 and roller body 4, the support plate 6 and roller body 4 are equipped with the interval adjusting assembly for adjusting the interval of the granulating forming channel between the two.

[0040] Preferably, the roller body 4 mounted on the two mounting shafts 2-2 corresponds to the same horizontal diameter of the same cross-sectional circumferential surface of the forming cylinder 5, and the locating shaft 2-1 corresponds to the upper part of the connecting line between the two mounting shafts 2-2.

[0041] Further preferably, the front end of the locating shaft 2-1 and the front end of the two mounting shafts 2-2 are respectively provided with threaded segments A, the support plate 6 is provided with three mounting holes two 6-1, and the three mounting holes two 6-1 correspond to the three vertices of the same isosceles triangle, the support plate 6 is correspondingly sleeved on the front end of the locating shaft 2-1 and the two mounting shafts 2-2 through the three mounting holes two 6-1, and is fixed and locked with the corresponding threaded segments A through the three nuts three B.

[0042] Further preferably, the roller body 4 is rotatably mounted with a shaft body 4-1 on the axial center line, the front end surface of the shaft body 4-1 has an eccentric shaft joint 4-2, the free end of the eccentric shaft joint 4-2 is milled with an outer hexagonal end 4-3, the shaft body 4-1, the eccentric shaft joint 4-2 and the outer hexagonal end 4-3 have a mounting hole one 4-4 inside the roller body 4, the roller body 4 is sleeved on the corresponding mounting shaft 2-2 through the mounting hole one 4-4, and the eccentric shaft joint 4-2 is inserted into the corresponding mounting hole two 6-1 of the support plate 6, and the outer hexagonal end 4-3 extends to the outside of the front side of the support plate 6.

[0043] Further include annular adjusting plate 12, the inner hole of annular adjusting plate 12 is sawtooth inner hole 12-1, annular adjusting plate 12 has the arm plate 12-2 radially extending to the outside, the annular adjusting plate 12 is sleeved and is positioned and is clamped on the outer hexagonal end 4-3 on the roller body 4 through the sawtooth inner hole 12-1;

[0044] The front side of the support plate 6 is fixed with a circular plate 7, the outer circumferential side of the circular plate 7 is provided with two ear plates 7-2 extending in the tangent direction, the two ear plates 7-2 are distributed in a central symmetric structure about the circular plate 7, the ear plate 7-2 has a threaded hole 7-3, and the axial center line of the threaded hole 7-3 is parallel to the support plate 6, the threaded hole 7-3 is internally screwed with an adjusting screw 9, one end of the adjusting screw 9 abuts against a corresponding arm plate 12-2, the circular plate 7, the ear plate 7-2, the threaded hole 7-3, the adjusting screw 9, the annular adjusting plate 12, the sawtooth inner hole 12-1, the arm plate 12-2, the shaft body 4-1, the eccentric shaft joint 4-2 and the outer hexagonal end 4-3 constitute the spacing adjusting assembly.

[0045] Further preferably, the end of the adjusting screw 9 away from the corresponding arm plate 12-2 is further screwed with a nut 9-1 abutting against the ear plate 7-2.

[0046] Further preferably, the upper and lower ends of the support plate 6 are respectively provided with a group of scraper assemblies, each group of the scraper assemblies comprises a connecting screw 10-1 and a scraper 10 fixed to one end of the connecting screw 10-1, and each group of the scraper assemblies is respectively provided with a nut 6-2, and the connecting screw 10-1 of each group of the scraper assemblies is screwed and installed on the corresponding nut 6-2, and the scraper 10 is located at the front end edge position of the forming cylinder 5.

[0047] Further preferably, the center of the circular plate 7 has a mounting hole three 7-1, and the center of the support plate 6 has a mounting hole four, and the circular plate 7 is fixedly installed on the front side of the support plate 6 through the bolt assembly 8 penetrating the mounting hole three 7-1 and the mounting hole four.

[0048] Further preferably, one end of the nut three B has a backing plate B-1, and in use, the backing plate B-1 is located on the side facing the support plate 6.

[0049] Further preferably, the left top corner position and the right top corner position of the upper end surface of the machine bin 1 are respectively provided with a motor mounting chamber 1-2 for installing a motor, the middle part of the upper end surface of the machine bin 1 is provided with a feeding port 1-3, and the lower end part of the machine bin 1 is provided with a discharge port 1-4.

[0050] Further preferably, a plurality of strip-shaped grooves 4-5 are arranged on the outer circumferential side of the roller body 4 at intervals in a circumferential direction, and the length direction of the strip-shaped grooves 4-5 is consistent with the length direction of the roller body 4; and the forming cylinder 5 is provided with a reinforcing ring 5-2 at both ends.

[0051] The operation principle of the double-roller granulator for calcium-zinc stabilizer when adjusting the spacing of the granulation forming channel is as follows: the outer hexagonal end 4-3 and the eccentric shaft joint 4-2 are eccentrically arranged on the front end surface of the shaft body 4-1 of the roller body 4, and the annular adjusting plate 12 is sleeved and limitedly connected to the outer hexagonal end 4-3 on the roller body 4 through the sawtooth-shaped inner hole 12-1; first, the nut two 9-1 on the adjusting screw 9 is rotated to be away from the corresponding ear plate 7-2; second, the wrench is clamped to the outer hexagonal end cap at the end of the adjusting screw 9 away from the corresponding ear plate 7-2, and then the adjusting screw 9 is rotated through the wrench, the end of the adjusting screw 9 drives the outer hexagonal end 4-3 to rotate through the driving circular plate 7, so as to realize the adjustment of the gap size between the outer wall surface of the roller body 4 and the inner wall surface of the forming cylinder 5, that is, the adjustment of the spacing of the granulation forming channel, and after the adjustment is in place, the nut two 9-1 on the adjusting screw 9 is rotated again to abut against the corresponding ear plate 7-2.

[0052] The double-roller granulator for calcium-zinc stabilizer has the advantages that: the positioning shaft and the mounting shaft are arranged on the rear end cover, the roller body only needs to be sleeved and mounted on the mounting shaft, the roller body installation process does not need to be adjusted and measured by means of a plug gauge and other tools, the assembly difficulty of the roller body in the machine bin is greatly reduced, the technical level requirement of the operator is low, the assembly or maintenance efficiency of the roller body is significantly improved, the granulation processing efficiency of the calcium-zinc stabilizer is improved, the roller body is clamped between the rear end cover and the supporting plate, the spacer sleeve sleeved on the positioning shaft is further arranged between the rear end cover and the supporting plate, the working stability of the mutual rotation and granulation between the forming cylinder and the roller body is further ensured, the overall structure is clever and reasonable, the preparation implementation is high in feasibility, and the practicality is high.

[0053] The preferred embodiments of the utility model are described above, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the technical principles of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model.

Claims

1. A two-roll granulator for calcium-zinc stabilizers, characterized in that, The machine includes a housing (1), in which a granulation cylinder (1-1) is installed in the middle, penetrating both the front and rear ends. A forming cylinder (5) is coaxially rotatably installed inside the granulation cylinder (1-1). The forming cylinder (5) is connected to the output shaft of a motor. The forming cylinder (5) has a forming hole (5-1) on its wall. A front cover (11) is installed at the front end of the granulation cylinder (1-1), and a rear cover (2) is installed at the rear end. The rear cover (2) has a positioning shaft (2-1) extending forward to the front end of the forming cylinder (5) and two mounting shafts (2-2). The positioning shaft (2-1) is fitted with... A spacer (3) is installed, and a roller (4) is rotatably installed on each of the two mounting shafts (2-2). The gap between the outer wall of the roller (4) on one of the mounting shafts (2-2) facing away from the other mounting shaft (2-2) and the corresponding area of ​​the inner wall of the forming cylinder (5) forms a granulation forming channel. The front end of the positioning shaft (2-1) and the front end of the mounting shaft (2-2) are also connected and fixed with a support plate (6) for limiting the axial movement of the spacer (3) and the roller (4). A spacing adjustment component for adjusting the spacing of the granulation forming channel is provided between the support plate (6) and the roller (4).

2. The two-roll granulator for calcium-zinc stabilizers as described in claim 1, characterized in that, The rollers (4) mounted on the two mounting shafts (2-2) are located at the same horizontal diameter ends on the same cross-sectional circumference of the forming cylinder (5), and the positioning shaft (2-1) is located above the middle of the line connecting the two mounting shafts (2-2).

3. The two-roll granulator for calcium-zinc stabilizers as described in claim 2, characterized in that, The front end of the positioning shaft (2-1) and the front ends of the two mounting shafts (2-2) are respectively provided with threaded sections (A). The support plate (6) is provided with three mounting holes (6-1), and the three mounting holes (6-1) are located at the three vertices of the same isosceles triangle. The support plate (6) is sleeved on the front ends of the positioning shaft (2-1) and the two mounting shafts (2-2) one by one through the three mounting holes (6-1), and is fixed and locked with the corresponding threaded sections (A) by nuts (B).

4. The two-roll granulator for calcium-zinc stabilizers as described in claim 3, characterized in that, The roller body (4) is rotatably mounted with a shaft (4-1) located on the axial center line. The front end face of the shaft (4-1) has an eccentric shaft joint (4-2). The free end of the eccentric shaft joint (4-2) is milled with an external hexagonal end (4-3). The shaft (4-1), the eccentric shaft joint (4-2) and the external hexagonal end (4-3) have a first mounting hole (4-4) that passes through the front and rear ends of the roller body (4). The roller body (4) is sleeved and mounted on the corresponding mounting shaft (2-2) through the first mounting hole (4-4). The eccentric shaft joint (4-2) passes through the corresponding second mounting hole (6-1) on the support plate (6), and the external hexagonal end (4-3) extends to the outside of the front side of the support plate (6). It also includes an annular adjusting plate (12), the inner hole of which is a sawtooth-shaped inner hole (12-1), the annular adjusting plate (12) has an arm plate (12-2) extending radially outward, and the annular adjusting plate (12) is sleeved and limited to the outer hexagonal end (4-3) on the roller body (4) through the sawtooth-shaped inner hole (12-1); A circular plate (7) is fixedly attached to the front side of the support plate (6). Two ear plates (7-2) extending tangentially are protruding from the outer periphery of the circular plate (7). The two ear plates (7-2) are centrally symmetrical about the circular plate (7). The ear plates (7-2) have threaded through holes (7-3), and the axial center line of the threaded through holes (7-3) is parallel to the support plate (6). An adjusting screw (9) is screwed into the threaded through hole (7-3). One end of the adjusting screw (9) abuts against a corresponding arm plate (12-2). The circular plate (7), ear plates (7-2), threaded through holes (7-3), adjusting screw (9), annular adjusting plate (12), sawtooth inner hole (12-1), arm plate (12-2), shaft (4-1), eccentric shaft joint (4-2), and external hexagonal end (4-3) constitute the spacing adjustment assembly.

5. The two-roll granulator for calcium-zinc stabilizers as described in claim 4, characterized in that, The adjusting screw (9) is also screwed with a nut (9-1) that abuts against the ear plate (7-2) at the end opposite to the corresponding arm plate (12-2).

6. The two-roll granulator for calcium-zinc stabilizers as described in claim 5, characterized in that, The support plate (6) is provided with a set of scraper assemblies at its upper and lower ends. Each set of scraper assemblies includes a connecting screw (10-1) and a scraper (10) fixed to one end of the connecting screw (10-1). A nut (6-2) is fixed to the upper and lower ends of the support plate (6). The connecting screw (10-1) on each set of scraper assemblies is screwed onto a corresponding nut (6-2), and the scraper (10) is located at the front edge of the forming cylinder (5).

7. The two-roll granulator for calcium-zinc stabilizers as described in claim 6, characterized in that, The circular plate (7) has a mounting hole three (7-1) at its center, and the support plate (6) has a mounting hole four at its center. The circular plate (7) is fixedly mounted on the front side of the support plate (6) by bolt assemblies (8) that pass through the mounting holes three (7-1) and four.

8. The two-roll granulator for calcium-zinc stabilizers as described in claim 7, characterized in that, The nut three (B) has a washer (B-1) at one end. When in use, the washer (B-1) is located on the side facing the support plate (6).

9. The two-roll granulator for calcium-zinc stabilizers as described in any one of claims 1 to 8, characterized in that, The upper end face of the machine compartment (1) is provided with motor mounting chambers (1-2) for installing motors at the left and right top corners, respectively. The upper end face of the machine compartment (1) is provided with a feeding port (1-3) and the lower end face of the machine compartment (1) is provided with a discharge port (1-4).

10. The two-roll granulator for calcium-zinc stabilizers as described in claim 9, characterized in that, The outer circumferential side of the roller body (4) is provided with a number of strip grooves (4-5) spaced apart, and the length direction of the strip grooves (4-5) is consistent with the length direction of the roller body (4).

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