Ball mill for producing composite particle gravel material
By using a circumferential self-weight crushing mechanism in the ball mill, the crushing ball is driven to reciprocate with the slide rail and the sliding rod, the impact problem of the metal ball on the inner wall is solved, and noise reduction and service life are achieved.
Patent Information
- Application Number
- CN202422035027.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-21
AI Technical Summary
During the crushing process of existing ball mills, the metal ball causes huge impact on the inner wall, causing noise and wear, affecting the stability of the overall mechanism.
A ball mill for producing composite particle sand and gravel materials is designed, using a circumferential self-weight crushing mechanism, which drives the crushing balls to reciprocate in the crushed inner wall through the slide rail and the sliding rod to reduce direct impact to the inner wall.
It effectively reduces noise and wear on the inner wall, extends service life, and reduces maintenance frequency and production costs.
Smart Images

Figure CN223027444U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand and gravel material production, in particular to a ball mill for producing composite granular sand and gravel materials. Background Technique
[0002] For the construction industry, sand, gravel and cement are the basis of construction. The production method of sand and gravel is only after the larger stones are mined, and according to the use environment, various crushing mechanisms are used to change the large original stones into the desired particle form by means of extrusion or impact and percussion crushing.
[0003] In the prior art, the body of the ball mill is usually built longer, and there are large noises and abrasions when facing the impact caused by the falling of the internal spheres. This will cause the inner wall to be easily damaged and the inner wall needs to be frequently replaced and repaired.
[0004] In order to overcome the above defects, the prior art (Chinese patent with application number: CN112718135A, application date: December 28, 2020) discloses a ball mill, including a frame and a grinding bin. The grinding bin is arranged on the frame. A drive control mechanism is arranged on the frame. The drive control mechanism is connected to the middle of the grinding bin. Wrapped support mechanisms are symmetrically arranged at both ends of the grinding bin. The wrapped support mechanism is connected to the frame. A layered grinding mechanism is arranged in the grinding bin. In the present invention, a drive control mechanism is arranged in the middle of the outside of the grinding bin, and at the same time, wrapped support mechanisms are arranged at both ends of the grinding bin to limit and support the grinding bin. Cooperating with the drive control mechanism to perform rotary control on the grinding bin, so as to achieve the stability of the grinding bin under the high-speed rotation state, effectively improve the ball milling processing efficiency, and a layered grinding mechanism is arranged in the grinding bin to further improve the service life of the grinding body and extend the time interval of maintenance, thereby reducing the use cost of the ball mill, and further reducing the production cost. The structure is simple and the stability is good.
[0005] Although the prior art can solve the above problems, the metal balls inside the ball mill have an impact on the inner wall of the crusher during the crushing process, which not only generates noise but also causes a huge impact on the inner wall, which has a great impact on the maintenance of the inner wall and the stability of the overall mechanism. Content of the Utility Model
[0006] The purpose of the utility model is to provide a ball mill for producing composite granular sand and gravel materials, so as to solve the problem that the metal balls inside the ball mill in the above background technique generate noise and cause a huge impact on the inner wall of the crusher during the crushing process, which has a great impact on the stability of the overall mechanism.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball mill for producing composite particle sand and gravel materials, comprising a mounting shell installed above the base, a feed port installed on the left side of the mounting shell, and a discharge port installed on the right side of the mounting shell, a connecting bolt installed on the surface of the mounting shell, a rolling gear ring installed on the right side of the connecting bolt, and the rolling gear ring is installed on the surface of the mounting shell, a motor is installed on the right side of the rolling gear ring, and a reducer is installed in the rotation direction of the motor, a coupling is installed in front of the reducer, and a transmission gear is installed in the transmission direction of the coupling, and the transmission gear is meshed and connected with the rolling gear ring, a crushing inner wall is installed inside the mounting shell, and a circular self-weight crushing mechanism for crushing composite particle sand and gravel materials is installed inside the crushing inner wall, the circular self-weight crushing mechanism comprises a slide rail, the slide rail is installed on the inner surface of the crushing inner wall, and a second inner groove is opened on the inner surface of the slide rail, a sliding rod is installed inside the second inner groove, and a crushing ball is installed at the end of the sliding rod, a stopper is installed inside the second inner groove, and the stopper is installed on the left and right sides of the sliding rod;
[0008] A driven gear is installed below the transmission gear, and a reciprocating push-pull mechanism for screening the crushed composite granular sand and gravel materials is arranged behind the driven gear.
[0009] Furthermore, the reciprocating push-pull mechanism includes a toggle rod, which is installed on the lower surface of the driven gear, and a connecting shaft is installed on the outer surface of the toggle rod, and a first inner groove is opened above the connecting shaft, the first inner groove and the toggle rod are nested and installed, a transmission rod is installed at the end of the connecting shaft, and a push-pull rod is installed at the end of the transmission rod.
[0010] Furthermore, the connecting shaft and the transmission rod are rotatably installed, and the transmission rod and the push-pull rod are rotatably installed, a limiting track is installed below the push-pull rod, and the lower surface of the limiting track is fixedly connected to the base, a screen is installed at the end of the push-pull rod, and the screen is installed inside the screening frame, a third inner groove is opened on both sides of the screening frame, and both sides of the screen pass through the third inner groove.
[0011] Furthermore, the coupling forms a meshing structure by contacting the outer surface of the transmission gear with the outer surface of the transmission gear, and the coupling forms a meshing structure by contacting the outer surface of the transmission gear with the outer surface of the driven gear.
[0012] Furthermore, the driven gear contacts the inside of the connecting shaft through the outer surface of the toggle rod to form a transmission structure, and the driven gear contacts the inside of the first inner groove through the outer surface of the toggle rod to form a sliding structure.
[0013] Further, the sliding rail contacts with the bottom of the sliding rod through the inside of the second inner groove to form a sliding structure, and the sliding rail is installed inside the crushing inner wall, and six groups are evenly distributed for crushing work.
[0014] Further, the transmission rod is fixedly connected with the bottom surface of the screen through the end of the push-pull rod to form a transmission structure, and the transmission rod contacts with the inside of the limit track through the bottom surface of the push-pull rod to form a sliding structure, and the push-pull rod drives the screen to slide back and forth inside the third inner groove.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: for this compound granular sand and gravel material production ball mill, the sliding rail is installed inside the crushing inner wall. So when the sand and gravel raw materials enter the crushing inner wall, start the motor to drive the reducer, and connect the transmission gear and the rolling gear ring through the coupling to start the meshing movement. Under the action of gravity, the sliding rod drives the crushing balls to rotate back and forth along the second inner groove. Such a design will not damage the inner wall, reduces the maintenance frequency and increases the service life;
[0016] Further, when the transmission gear rotates, the driven gear rotates synchronously due to meshing connection. The toggle rod installed in the first inner groove drives the push-pull rod through the transmission rod to push and pull the upper screen back and forth along the third inner groove, achieving the further screening effect on the crushed sand and gravel. The unqualified sand and gravel can be put into the machine for secondary processing again, ensuring the quality of the shipped goods;
[0017] Further, the sliding rails are installed in six groups inside the crushing inner wall. The crushing balls can work only by their own weight to complete the crushing of the sand and gravel raw materials. The installation shell is connected with the crushing inner wall through the connecting bolts. The main crushing work is completed inside the crushing inner wall, which not only reduces the noise but also protects the installation shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional structural schematic diagram of the installation shell of the present utility model;
[0019] Figure 2 It is a three-dimensional structural schematic diagram of the discharge port of the present utility model;
[0020] Figure 3 It is a three-dimensional structural schematic diagram of the crushing inner wall of the present utility model;
[0021] Figure 4 It is a three-dimensional structural schematic diagram of the screen of the present utility model;
[0022] Figure 5 It is a three-dimensional structural schematic diagram of the crushing ball of the present utility model;
[0023] Figure 6 It is a three-dimensional structural schematic diagram of the sliding rod of the present utility model.
[0024] In the figure: 1, base; 2, installation housing; 3, feed inlet; 4, discharge outlet; 5, rolling gear ring; 6, connecting bolt; 7, motor; 8, reducer; 9, coupling; 10, driving gear; 11, driven gear; 12, toggle rod; 13, connecting shaft; 14, first inner groove; 15, transmission rod; 16, push-pull rod; 17, screening frame; 18, screen; 19, crushing inner wall; 20, slide rail; 21, second inner groove; 22, sliding rod; 23, crushing ball; 24, limiting track; 25, third inner groove; 26, stop block. Specific embodiments
[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] Embodiment 1: Please refer to Figure 1-6 , the present invention provides the following technical solutions: A ball mill for producing composite granular sand and gravel materials, including a base 1, an installation housing 2, and a third inner groove 25.
[0027] An installation housing 2 is installed above the base 1, a feed inlet 3 is installed on the left side of the installation housing 2, and a discharge outlet 4 is installed on the right side of the installation housing 2. A connecting bolt 6 is installed on the surface of the installation housing 2, and a rolling gear ring 5 is installed on the right side of the connecting bolt 6. Moreover, the rolling gear ring 5 is installed on the surface of the installation housing 2. A motor 7 is installed on the right side of the rolling gear ring 5, a reducer 8 is installed in the rotation direction of the motor 7, a coupling 9 is installed in front of the reducer 8, and a driving gear 10 is installed in the transmission direction of the coupling 9. Moreover, the driving gear 10 is meshed and connected with the rolling gear ring 5. A crushing inner wall 19 is installed inside the installation housing 2, and a circumferential self-weight crushing mechanism for crushing the composite granular sand and gravel materials is installed inside the crushing inner wall 19. The circumferential self-weight crushing mechanism includes a slide rail 20, the slide rail 20 is installed on the inner surface of the crushing inner wall 19, and a second inner groove 21 is opened on the inner surface of the slide rail 20. A sliding rod 22 is installed inside the second inner groove 21, and a crushing ball 23 is installed at the end of the sliding rod 22. A stop block 26 is installed inside the second inner groove 21, and the stop block 26 is installed on the left and right sides of the sliding rod 22;
[0028] A driven gear 11 is installed below the driving gear 10, and a reciprocating push-pull mechanism for screening the crushed composite granular sand and gravel materials is arranged behind the driven gear 11.
[0029] The driven gear 11 contacts the inside of the connecting shaft 13 through the outer surface of the toggle rod 12 to form a transmission structure, and the driven gear 11 contacts the inside of the first inner groove 14 through the outer surface of the toggle rod 12 to form a sliding structure. The slide rail 20 contacts the bottom of the slide rod 22 through the inside of the second inner groove 21 to form a sliding structure, and the slide rail 20 is installed inside the crushing inner wall 19, and six groups are evenly distributed to perform crushing work.
[0030] like Figure 3 , Figure 5 , Figure 6 The technical solution shown, in order to solve the problem of noise generated by the crushing device and impact on the crushing inner wall 19, discloses: after the sand and gravel raw materials are put into the crushing inner wall 19 connected to the mounting shell 2 through the connecting bolts 6 from the feed port 3, the motor 7 is started, and the extension shaft of the motor 7 will drive the reducer 8 to work, completing the rotation of the coupling 9 on the transmission gear 10, and the transmission gear 10 is meshed with the rolling gear ring 5 connected to the outside of the mounting shell 2, driving the mounting shell 2 to rotate as a whole. At this time, the slide rail 20 inside the crushing inner wall 19 slides along the inside of the second inner groove 21 due to the nesting of the second inner groove 21 and the slide rod 22, and the running trajectory is limited by the block 26, and the six groups of slide rails 20 rotate at the same time to complete the crushing of the sand and gravel raw materials.
[0031] The reciprocating push-pull mechanism includes a toggle rod 12, which is mounted on the lower surface of the driven gear 11, and a connecting shaft 13 is mounted on the outer surface of the toggle rod 12, and a first inner groove 14 is opened above the connecting shaft 13, and the first inner groove 14 and the toggle rod 12 are nested and installed, a transmission rod 15 is installed at the end of the connecting shaft 13, and a push-pull rod 16 is installed at the end of the transmission rod 15, the connecting shaft 13 and the transmission rod 15 are rotatably mounted, and the transmission rod 15 and the push-pull rod 16 are rotatably mounted, and a push-pull rod 16 is installed below the push-pull rod 16. A limiting track 24 is provided, and the lower surface of the limiting track 24 is fixedly connected to the base 1, a screen 18 is installed at the end of the push-pull rod 16, and the screen 18 is installed inside the screening frame 17, a third inner groove 25 is opened on both sides of the screening frame 17, and both sides of the screen 18 pass through the third inner groove 25, the coupling 9 contacts with the outer surface of the transmission gear 10 through the outer surface of the transmission gear 10 to form a meshing structure, and the coupling 9 contacts with the outer surface of the driven gear 11 through the outer surface of the transmission gear 10 to form a meshing structure.
[0032] like Figure 1 , Figure 2 , Figure 4For the technical solution shown, in order to solve the problem that the crushed sand and gravel with unqualified use effect may be transported away together with the qualified sand and gravel, it is disclosed that: while the driving gear 10 rotates, it also drives the driven gear 11 below to start rotating. The toggle rod 12 installed inside the first inner groove 14 below the driven gear 11 drives the connecting shaft 13, and also drives the transmission rod 15 rotatably connected to the connecting shaft 13. The transmission rod 15 continuously pushes and pulls the push-pull rod 16 back and forth along the limit track 24, so that the screen 18 installed in the screening frame 17 reciprocally slides along the third inner groove 25 to perform the screening work on the crushed sand and gravel.
[0033] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A ball mill for producing composite granular sand and gravel materials, comprising a base (1), a mounting shell (2) and a third inner tank (25); Features: A mounting shell (2) is installed above the base (1), and a feed port (3) is installed on the left side of the mounting shell (2), and a discharge port (4) is installed on the right side of the mounting shell (2); a connecting bolt (6) is installed on the surface of the mounting shell (2), and a rolling gear ring (5) is installed on the right side of the connecting bolt (6), and the rolling gear ring (5) is installed on the surface of the mounting shell (2); a motor (7) is installed on the right side of the rolling gear ring (5), and a reducer (8) is installed in the rotation direction of the motor (7); a coupling (9) is installed in front of the reducer (8), and a transmission gear (10) is installed in the transmission direction of the coupling (9), and the transmission gear (10) The mounting shell (2) is meshed and connected with the rolling gear ring (5), a crushing inner wall (19) is installed inside the mounting shell (2), and a circumferential self-weight crushing mechanism for crushing composite granular sand and gravel materials is installed inside the crushing inner wall (19), and the circumferential self-weight crushing mechanism comprises a slide rail (20), the slide rail (20) is installed on the inner surface of the crushing inner wall (19), and the inner surface of the slide rail (20) is provided with a second inner groove (21), a sliding rod (22) is installed inside the second inner groove (21), and a crushing ball (23) is installed at the end of the sliding rod (22), and a stopper (26) is installed inside the second inner groove (21), and the stopper (26) is installed on the left and right sides of the sliding rod (22); A driven gear (11) is installed below the transmission gear (10), and a reciprocating push-pull mechanism for screening the crushed composite granular sand and gravel material is arranged behind the driven gear (11).
2. A ball mill for producing composite granular sandstone materials according to claim 1, characterized in that: The reciprocating push-pull mechanism comprises a toggle rod (12), the toggle rod (12) is mounted on the lower surface of the driven gear (11), a connecting shaft (13) is mounted on the outer surface of the toggle rod (12), a first inner groove (14) is provided above the connecting shaft (13), the first inner groove (14) and the toggle rod (12) are nested and mounted, a transmission rod (15) is mounted at the end of the connecting shaft (13), and a push-pull rod (16) is mounted at the end of the transmission rod (15).
3. A ball mill for producing composite granular sandstone materials according to claim 2, characterized in that: The connecting shaft (13) and the transmission rod (15) are rotatably mounted, and the transmission rod (15) and the push-pull rod (16) are rotatably mounted, a limit track (24) is mounted below the push-pull rod (16), and the lower surface of the limit track (24) is fixedly connected to the base (1), a screen (18) is mounted at the end of the push-pull rod (16), and the screen (18) is mounted inside the screening frame (17), and third inner grooves (25) are opened on both sides of the screening frame (17), and both sides of the screen (18) pass through the third inner grooves (25).
4. The composite granular sandstone material production ball mill according to claim 1, characterized in that: The coupling (9) contacts the outer surface of the transmission gear (10) to form a meshing structure, and the coupling (9) contacts the outer surface of the transmission gear (10) to form a meshing structure.
5. The composite granular sandstone material production ball mill according to claim 2, characterized in that: The driven gear (11) contacts the inside of the connecting shaft (13) through the outer surface of the shifting rod (12) to form a transmission structure, and the driven gear (11) contacts the inside of the first inner groove (14) through the outer surface of the shifting rod (12) to form a sliding structure.
6. The ball mill for producing composite granular sandstone material according to claim 1, characterized in that: The slide rail (20) contacts the bottom of the slide rod (22) through the inside of the second inner groove (21) to form a sliding structure, and the slide rail (20) is installed inside the crushing inner wall (19), and six groups are evenly distributed to perform crushing work.
7. The ball mill for producing composite granular sandstone material according to claim 3, characterized in that: The transmission rod (15) is fixedly connected to the bottom surface of the screen (18) through the end of the push-pull rod (16) to form a transmission structure, and the transmission rod (15) is in contact with the inside of the limit track (24) through the bottom surface of the push-pull rod (16) to form a sliding structure, and the push-pull rod (16) drives the screen (18) to slide back and forth inside the third inner groove (25).
Citation Information
Patent Citations
Ball mill
CN112718135A