CN210525468U - Blade body of concrete mixer - Google Patents
Blade body of concrete mixer Download PDFInfo
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- CN210525468U CN210525468U CN201921220357.5U CN201921220357U CN210525468U CN 210525468 U CN210525468 U CN 210525468U CN 201921220357 U CN201921220357 U CN 201921220357U CN 210525468 U CN210525468 U CN 210525468U
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- concrete mixer
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Abstract
The utility model discloses a concrete mixer blade body belongs to the mechanical equipment field. The problem loaded down with trivial details and not high with life of mixer blade loading and unloading maintenance among the prior art, the utility model provides a concrete mixer blade body, it includes the blade body, and the working face of blade body is the helicoid, and the installation face of blade body is provided with mounting platform, and the blade body passes through the mixing arm in mounting platform and the mixer to be connected, and at least one side of mounting platform is provided with spacing muscle, is provided with the mounting hole on the mounting platform, and the below of mounting hole is provided with to the inside sunken recess of mounting platform. The utility model adopts the contact connection of the mounting platform and the stirring arm to change the embedded connection of the blade and the stirring arm in the past, the connection relationship is stable, and the mounting and the dismounting are convenient; the blade is formed by split integral molding or splicing two halves, is simple to manufacture, is suitable for casting production of a Disha molding line, and has high dimensional precision and surface finish.
Description
Technical Field
The utility model belongs to the mechanical equipment field, more specifically say, relate to a concrete mixer blade body.
Background
A concrete mixer is a machine which is provided with a shaft with a mixing blade, rotates in a mixing drum, and mixes a plurality of raw materials such as cement, sand, gravel, water and the like to form concrete. The design of the stirring blades is various, in recent years, the spiral blades are widely applied due to high stirring efficiency, and the casting production process mainly comprises common sand casting, lost foam casting and Disha moulding line casting. The common sand casting is in the elimination trend due to poor product precision and low production efficiency; the lost foam casting product has high precision and high production efficiency, but because the particularity of the foam template needs to be burnt off during casting, the casting temperature is higher, the internal structure crystal grains of the product are coarse, and the wear resistance of the product is lower than that of the common sand casting; the size precision and the surface smoothness of a casting product of the Disha molding line are both higher than those of lost foam casting, the automation degree is high, the production efficiency is also higher than that of lost foam casting, 400 pieces of casting products can be produced in each hour generally, the economy is good, the crystal grains of the internal structure of the product are superior to those of lost foam casting, the production process is an ideal production process for producing the helical blade, and the defect is that a casting with larger size cannot be produced; and many helical blade structural designs have the phenomenon that the weight is heavier, the design is simple, and life is shorter than other stirring vane.
Corresponding improvement has also been carried out to above-mentioned problem, if chinese patent application No. cn201420114258.x, the open date is 2015 year 1 month 14 days, this patent discloses a concrete mixer L shape blade, including L shape blade, the bottom sideline of L shape blade is the arc, be equipped with "the ridge" shape strengthening rib on the L shape blade, and the upper portion of "the ridge" shape strengthening rib is along the inner edge setting of L shape blade, the lower part both ends are arc sideline upper portion that the wedge is located L shape blade, it has two oval through-holes to open on the L shape blade, two oval through-holes are located the L shape blade of "the ridge" shape strengthening rib lateral part on. The disadvantages of the patent are that: the blade has a common stirring effect, materials are easy to accumulate on the blade, and the service life is short.
As shown in chinese patent application No. CN201520545433.5, published as 2015, 12 and 2, the patent discloses a wear-resistant blade for a blender, which comprises a blade and a connecting block, wherein the blade and the connecting block are integrally cast, the blade is provided with a plurality of through holes, and the through holes on the blade are communicated with a guiding gutter arranged on the blade; the connecting block is provided with a groove, and the groove is provided with a mounting hole. Through opening on the blade and having the several through-holes, the through-hole on the blade is linked together with the guiding gutter of establishing on the blade, can make it reduce the harm to the blade in the stirring, improves the live time of blade. The disadvantages of the patent are that: the integral strength of the blade is not enough, and the stirring effect is poor.
Disclosure of Invention
1. Problems to be solved
The problem loaded down with trivial details and life is not high of mixer blade loading and unloading maintenance among the prior art, the utility model provides a split type helical blade of mixer. The whole service life is higher, and is comparatively convenient with the installation dismantlement of puddler and the maintenance in later stage, and the blade body is applicable to the foundry production of di sand molding line, and the size precision and the surface finish of product are all higher.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a concrete mixer blade body, includes the blade body, and the working face of blade body is the helicoid, and the installation face of blade body is provided with mounting platform, and the blade body passes through mounting platform to be connected with the rabbling arm in the mixer, and at least one side of mounting platform is provided with spacing muscle, is provided with the mounting hole on the mounting platform, and the below of mounting hole is provided with the recess sunken to the mounting platform is inside.
Furthermore, the upper half part of the mounting hole is a hexagonal counter bore, and the lower half part of the mounting hole is a circular through hole.
Furthermore, a plurality of transverse reinforcing ribs are arranged between the limiting ribs and the mounting surface.
Furthermore, a plurality of circular bosses are arranged on the working surface of the blade body.
Furthermore, an oval boss is further arranged on the working face of the blade body and arranged on the working face corresponding to the mounting hole.
Furthermore, the end part of the top edge of the working surface of the blade body is provided with a convex edge, and the end part of the top edge of the mounting surface of the blade body is provided with a chamfer.
Furthermore, the end part of the side edge of the working surface of the blade body is provided with a convex edge, and the end part of the side edge of the mounting surface of the blade body is provided with a chamfer.
Furthermore, the groove is rectangular.
Furthermore, the corners in the grooves are all in arc transition.
Furthermore, the blade body is integrally formed or formed by splicing two halves.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the blade body of the utility model is connected with the stirring arm in the stirrer through the mounting platform on the mounting surface of the blade body, and the mounting holes on the mounting platform and the mounting platform ensure that the blade body is effectively connected with the stirring arm in a contact way, thereby changing the prior embedded connection and ensuring that the blade body is convenient to mount and maintain; at least one side of the mounting platform is provided with a limiting rib, so that the stability of the connection relation with the stirring arm is ensured, the groove below the mounting hole can reduce the mass of the blade body, the internal tissue is compact due to the reduction of the thickness while the mass is light, and the hardness is improved;
(2) the upper half part of the mounting hole of the utility model is a hexagonal counter bore, which has large space and is convenient to fasten, so that the mounting with the stirring arm is smooth; the lower half part is a circular through hole which plays a role in limiting, and the mounting holes with large upper parts and small lower parts are used for connecting the blade body and the stirring arm more firmly, so that relative looseness is not easy to occur in the working process;
(3) the utility model is provided with a plurality of transverse reinforcing ribs between the limiting ribs and the mounting surface, and the arrangement of the reinforcing ribs effectively improves the integral strength of the blade body; the working surface of the blade body is provided with the plurality of circular bosses which are arranged on the working surface at equal intervals, so that the stirring effect of the blade body can be increased in the stirring process, the stirring efficiency is improved, and the wear resistance of the blade body is also improved;
(4) the elliptical boss is arranged on the working surface of the blade body, and the elliptical boss is correspondingly arranged on the working surface corresponding to the mounting hole, so that the stirring efficiency is improved, and the wear resistance of the blade body is also improved; the second oval boss is arranged on the mounting hole, so that the mounting bolt can still be free from the influence of the abrasion of materials in the service life and the later period of the blade body, and the mounting bolt can be prevented from being scrapped in advance due to the damage of the mounting bolt;
(5) the utility model is provided with the convex edge at the upper edge of the working surface of the blade body, and the convex edge has the function of stopping the material, so that the material is not easy to rapidly slide off during stirring, and the stirring efficiency is improved; the upper edge of the mounting surface is provided with the chamfer, so that the strength of the blade body is ensured while the quality of the blade body is not increased;
(6) blade body formula shaping as an organic whole or form by two halves concatenations, be applicable to di sand molding line casting production, the size precision and the surface finish of product are all higher, degree of automation is high, production efficiency is high, can produce 400 per hour, economic nature is good, the inside structure crystalline grain of product is thinner, the wearability is good, has higher use value.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a bottom view of the present invention.
In the figure: 1. left blade body: 2. a right leaf body; 3. a working surface; 4. a circular boss; 5. an elliptical boss; 6. a mounting surface; 7. mounting a platform; 8. mounting holes; 9. reinforcing ribs; 10. a convex edge; 11. chamfering; 12. a groove; 13. and limiting ribs.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings.
Example 1
As shown in fig. 1, 2, 3 and 4, the concrete mixer blade comprises a blade body, wherein the blade body is preferably made of BTMCr20, corrosion-resistant and long in service life; the working surface 3 of the blade body is a helical surface which is a curved surface formed by a generatrix performing helical motion around an axis, namely constant-speed rotation and constant-speed axial movement; the working surface 3 is a surface on which the blade body and the material are stirred, the mounting surface 6 is the back surface of the working surface 3, and the surface connected with the stirring arm is the mounting surface 6; the mounting surface 6 of the blade body is provided with a mounting platform 7, the blade body is connected with a stirring arm in a stirrer through the mounting platform 7, at least one side of the mounting platform 7 is provided with a limiting rib 13, and the limiting rib 13 is arranged to enable the mounting platform 7 to limit the mounting platform 7 when the mounting platform 7 is mounted on the stirring arm, so that the situation that the mounting platform 7 and the stirring arm fall off in the working process is avoided; furthermore, a plurality of transverse reinforcing ribs 9 are arranged between the limiting ribs 13 and the mounting surface 6, and the strength of the blade body can be effectively enhanced by the arrangement of the reinforcing ribs 9; the mounting platform 7 is provided with a mounting hole 8, and a fastening bolt or other fastening piece penetrates through the mounting hole 8 to mount the mounting platform 7 and the stirring arm; preferably, the upper half part of the mounting hole 8 is a hexagonal counter bore, and the hexagonal counter bore has a large space, so that fastening of a fastening bolt or other fasteners is facilitated, and the mounting with the stirring arm is smoother; the lower half part is a circular through hole which plays a role in limiting, and the installation hole 8 with a large upper part and a small lower part ensures that the blade body is more tightly connected with the stirring arm and is not easy to loosen relatively in the working process; a groove 12 which is sunken into the mounting platform 7 is formed below the mounting hole 8, and specifically, the groove 12 is rectangular, so that the area of the groove 12 is large, and the connection between the mounting platform 7 and the stirring arm is not hindered; preferably, the corners in the groove are all in arc transition, the arc transition avoids the situation that stress concentration at the corners is easy to break, and the circular transition is not easy to generate abrasion collision with the stirring arm in the installation process; the arrangement of the groove 12 enables the internal structure to be compact due to the reduction of the thickness while the mass of the blade body is reduced, and the hardness is improved, so that the service life of the blade body is long.
The utility model discloses a mounting platform 7 on blade body installation face 6 is connected with the stirring arm in the mixer, and mounting platform 7 makes blade body effectual and stirring arm carry out the contact with mounting hole 8 on mounting platform 7 and is connected, has changed blade and stirring arm embedded connection in the past for the installation and the maintenance of blade body are all comparatively convenient, and spacing muscle 13 has effectively strengthened the intensity of blade body with setting up of recess 12, has increased the life of blade body.
Example 2
Basically as in embodiment 1, preferably, the working surface 3 of the blade body is provided with a plurality of circular bosses 4, and the circular bosses 4 are arranged on the working surface 3 of the blade body at equal intervals, so that the stirring effect of the blade body can be increased in the stirring process, the stirring efficiency is improved, and the wear resistance of the blade body is also improved; furthermore, the working surface 3 of the blade body is also provided with an elliptical boss 5, the elliptical boss 5 is arranged on the working surface 3 corresponding to the mounting hole 8, and the mounting hole 8 penetrates through the working surface 3 and the mounting surface 6 of the blade body, so that the elliptical boss 5 is arranged above the mounting hole 8, and therefore the stirring effect of the blade body can be increased in the stirring process, the stirring efficiency is improved, and the wear resistance of the blade body is also improved; secondly make the blade body in life-span middle and later stage, fastening bolt or other fasteners still can not receive the wearing and tearing influence of material, can prevent to scrap in advance because of fastening bolt or other fasteners damage, effectively improve the life of whole blade body.
Example 3
Basically, as in the embodiment, preferably, the end of the top edge of the working surface 3 of the blade body is provided with the convex edge 10, and the end of the top edge of the mounting surface 6 of the blade body is provided with the chamfer 11, that is, the positions of the convex edge 10 and the chamfer 11 correspond to each other, because the back surface of the working surface 3 is the mounting surface 6, and the end of the top edge of the working surface 3 is provided with the convex edge 10, the blade body has the function of stopping materials, so that the materials are not easy to slip off quickly during stirring, and the; the back of the convex edge 10 is provided with a chamfer 11, the chamfer 11 not only reduces the mass of the blade body, but also enables the end part of the top edge of the mounting surface 6 to be in transition of the chamfer 11, and the integral strength is enhanced; furthermore, the end part of the side edge of the working surface 3 of the blade body is provided with a convex edge 10, the end part of the side edge of the mounting surface 6 of the blade body is provided with a chamfer 11, and similarly, the back surface of the convex edge 10 is provided with the chamfer 11, so that the stirring efficiency of the blade body is further improved, the whole body has higher working efficiency, and the time is greatly saved.
Example 5
Basically as in embodiment 1, preferably, the blade body is integrally formed or formed by splicing two halves. In the embodiment, the blade body is integrally formed, and the integrally formed blade has a large stirring area, so that the stirring efficiency is high, the service life is long, and the blade is convenient to disassemble, install and maintain; furthermore, the thickness of the blade body is 20-25 mm, and the blade body is not enough in strength and is easy to damage due to the fact that the thickness is too small; too large a thickness tends to increase the burden on the stirring arm, so that the stirring work is slow.
Example 6
In this embodiment, the blade body is formed by splicing two halves, substantially as in embodiment 5. Specifically, a left blade body 1 and a right blade body 2 are spliced into a blade body, the left blade body 1 and the right blade body 2 are respectively connected with a stirring arm, and a gap between the left blade body 1 and the right blade body 2 is 2-3 mm, so that the position control function between the left blade body 1 and the stirring arm and the position control function between the right blade body 2 and the stirring arm are strong, and the situation that the positions of the left blade body 1 and the right blade body 2 are deviated due to shaking in the working process and the stirring effect is influenced can be effectively avoided; the left blade body 1 is provided with six circular bosses 4, one elliptical boss 5, the right blade body 2 is provided with four circular bosses 4 and one elliptical boss 5, the arrangement achieves good stirring effect, the quantity of the circular bosses 4 and the number of the elliptical bosses 5 are not wasted, and the strength of the left blade body 1 and the strength of the right blade body 2 are insufficient due to the excessive circular bosses 4 and the excessive elliptical bosses 5; the blade body is formed by splicing two halves, so that the maintenance is more convenient, only a single damaged blade body needs to be replaced, the left blade body 1 and the right blade body 2 are both suitable for casting production of a Disha molding line, the size precision and the surface smoothness of a product are higher, the automation degree is high, the production efficiency is high, 400 pieces can be produced in every hour, the economy is good, crystal grains of an internal structure of the product are finer, the wear resistance is good, and the use value is higher.
The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (10)
1. The utility model provides a concrete mixer blade body which characterized in that: the blade comprises a blade body, wherein a working surface (3) of the blade body is a helicoid, a mounting surface (6) of the blade body is provided with a mounting platform (7), the blade body is connected with a stirring arm in a stirrer through the mounting platform (7), at least one side of the mounting platform (7) is provided with a limiting rib (13), a mounting hole (8) is formed in the mounting platform (7), and a groove (12) which is sunken into the mounting platform (7) is formed in the lower portion of the mounting hole (8).
2. A concrete mixer blade according to claim 1, wherein: the upper half part of the mounting hole (8) is a hexagonal counter bore, and the lower half part is a circular through hole.
3. A concrete mixer blade according to claim 2, wherein: a plurality of transverse reinforcing ribs (9) are arranged between the limiting ribs (13) and the mounting surface (6).
4. A concrete mixer blade according to claim 2, wherein: the working surface (3) of the blade body is provided with a plurality of round bosses (4).
5. A concrete mixer blade according to claim 4, wherein: an oval boss (5) is further arranged on the working face (3) of the blade body, and the oval boss (5) is arranged on the working face (3) corresponding to the mounting hole (8).
6. A concrete mixer blade according to claim 1, wherein: the end part of the top edge of the working surface (3) of the blade body is provided with a convex edge (10), and the end part of the top edge of the mounting surface (6) of the blade body is provided with a chamfer (11).
7. A concrete mixer blade according to claim 6, wherein: the end part of the side edge of the working surface (3) of the blade body is provided with a convex edge (10), and the end part of the side edge of the mounting surface (6) of the blade body is provided with a chamfer (11).
8. A concrete mixer blade according to claim 1, wherein: the groove (12) is rectangular.
9. A concrete mixer blade according to claim 8, wherein: the corners in the groove (12) are all in arc transition.
10. A concrete mixer blade according to claim 1, wherein: the blade body is formed integrally or formed by splicing two halves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220357.5U CN210525468U (en) | 2019-07-29 | 2019-07-29 | Blade body of concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220357.5U CN210525468U (en) | 2019-07-29 | 2019-07-29 | Blade body of concrete mixer |
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| Publication Number | Publication Date |
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| CN210525468U true CN210525468U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921220357.5U Active CN210525468U (en) | 2019-07-29 | 2019-07-29 | Blade body of concrete mixer |
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| CN (1) | CN210525468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975969A (en) * | 2020-09-16 | 2020-11-24 | 山东交通职业学院 | Concrete shaping charging equipment for construction |
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2019
- 2019-07-29 CN CN201921220357.5U patent/CN210525468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975969A (en) * | 2020-09-16 | 2020-11-24 | 山东交通职业学院 | Concrete shaping charging equipment for construction |
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