CN106040043A - An improved mixing box and a mixing machine with the improved mixing box - Google Patents

Abstract

The invention relates to the technical field of mixing mills, and particularly discloses an improved mixing box and a mixing mill with the improved mixing box, wherein the improved mixing box comprises a box body and a mixing shaft hinged to the box body, the box body is provided with a mixing cavity, the mixing shaft is provided with a mixing part positioned in the mixing cavity, the mixing shaft further comprises a supporting part connected with the mixing part, the box body is provided with a through hole for accommodating the supporting part, the supporting part is provided with a spiral discharge groove, and one end of the spiral discharge groove is positioned in the mixing cavity; during the in-service use, add the mixing intracavity with various powder raw materials that wait to mix, utilize motor or other driving piece drive mixing axle to rotate, stir the raw materials and then with the raw materials misce bene through mixing portion, in the mixing process of raw materials, the raw materials that get into in the gap between mixing axle and the box flows into the mixing intracavity again through spiral discharge chute again, effectively reduces the raw materials through the clearance between mixing axle and the box and the escape volume that escapes.

Description

An improved mixing box and a mixing machine with the improved mixing box

technical field

The invention relates to the technical field of mixing machines, and in particular discloses an improved mixing box and a mixing machine with the improved mixing box.

Background technique

With the development of rubber, plastic, powder metallurgy and other chemical industries, it is necessary to mix a large amount of powder raw materials to form various synthetic materials. In the production process of synthetic materials, users add various powder raw materials to the mixer. In the mixing box of equipment such as internal mixer, open mixer, etc., the powder raw materials are stirred by the mixing shaft in the mixing box to fully mix the raw materials, and then form the required synthetic material.

When the mixing shaft stirs the raw materials in the mixing box, the powder raw materials will escape through the gap between the mixing shaft and the mixing box, so that it will cause waste of raw materials; in addition, the staff will inhale and escape After using the powder raw materials, it will also cause various injuries to the body.

Contents of the invention

In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide an improved mixing box and a mixer with the improved mixing box, which can effectively reduce the amount of raw materials passing between the mixing shaft and the box. The amount of escape that escapes from the gap.

In order to achieve the above object, an improved mixing box of the present invention includes a box body and a mixing shaft hinged to the box body, the box body is provided with a mixing chamber, and the mixing shaft is provided with a mixing shaft located in the mixing chamber. The mixing shaft also includes a supporting part connected with the mixing part, the box body is provided with a through hole for accommodating the supporting part, the supporting part is provided with a spiral discharge groove, and one end of the spiral discharge groove is located in the mixing chamber Inside.

Preferably, along the direction close to the mixing chamber, the spiral direction of the spiral discharge groove is opposite to the rotation direction of the mixing shaft.

Preferably, the support part is covered with a first sealing ring, the kneading part is provided with a limit groove, one end of the first seal ring is accommodated in the limit groove, the spiral discharge groove is arranged on the first seal ring, and the spiral row The trough is formed by recessing from the outer surface of the first sealing ring.

Preferably, the support part is also sleeved with a second sealing ring, the first sealing ring is provided with a snap ring, the second sealing ring is provided with a slot for accommodating the snap ring, and the second sealing ring is far away from the first sealing ring. One end is provided with a stopper.

Preferably, a sealed bearing is also installed in the through hole, the sealed bearing is sleeved on the first sealing ring and the second sealing ring, and the end of the sealed bearing away from the mixing chamber abuts against the stopper.

Preferably, the box body is also equipped with a heating pipe, the box body is provided with a through groove spaced apart from the mixing chamber, the through groove is arranged around the mixing chamber, and the through groove is located between the mixing chamber and the heating pipe.

Preferably, the mixing shaft includes a first mixing shaft and a second mixing shaft arranged at intervals, the first mixing shaft is equipped with a first gear, the second mixing shaft is equipped with a second gear, and the second mixing shaft is equipped with a second gear. The teeth numbers of the first gear and the second gear are different.

A mixing machine with an improved mixing box of the present invention includes a frame body, a first driving member installed on the frame body, and the improved mixing box as described above, and the box body is installed On the frame body, the output end of the first driving member is connected with the mixing shaft.

Preferably, the mixing machine with the improved mixing box also includes a dust-proof mechanism for covering the mixing chamber, the dust-proof mechanism includes a bracket installed on the frame body, a second drive member installed on the bracket , the first shaft body and the two second shaft bodies hinged to the bracket, the casings respectively installed on the two second shaft bodies and cooperating with each other, the output end of the second driving member is connected with the first shaft body, and the two The second shaft engages with both ends of the first shaft respectively.

Preferably, the bracket is provided with a first slope, the second shaft is arranged parallel to the first slope, the casing includes a main board and an abutment plate extending vertically from the main board, the main board is installed on the second shaft, and the main board is at a right angle Triangular, the main board is provided with a second slope for abutting against the first slope, the second slope is parallel to the hypotenuse of the main board, the abutment plate is parallel to a right-angled side of the main board, and the abutment plates of the two casings are used to abut against the Together.

Beneficial effects of the present invention: in actual use, various powder raw materials to be mixed are added into the mixing chamber, the motor or other driving parts are used to drive the mixing shaft to rotate, and the raw materials are stirred by the mixing part to mix the raw materials evenly. During the mixing process of raw materials, the raw materials entering the gap between the mixing shaft and the box body will flow into the mixing chamber again through the spiral discharge groove, effectively reducing the escape of raw materials through the gap between the mixing shaft and the box body. amount of escape.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram of the present invention after hiding the dust cover;

Fig. 3 is a three-dimensional structural schematic diagram of another perspective after the dust cover is hidden in the present invention;

Fig. 4 is the schematic diagram of the three-dimensional structure of the improved mixing box of the present invention;

Fig. 5 is the top view of the improved mixing box of the present invention;

Fig. 6 is a sectional view along the A-A direction in Fig. 5;

Fig. 7 is a partially enlarged schematic diagram of part B in Fig. 6;

Fig. 8 is a sectional view of the casing of the present invention;

Fig. 9 is a three-dimensional structural schematic diagram of the dust-proof mechanism cover of the present invention after opening;

Fig. 10 is a three-dimensional structural schematic diagram of the dust-proof mechanism cover of the present invention after it is closed;

Fig. 11 is a rear view of the dust-proof mechanism cover of the present invention after it is closed.

Reference signs include:

1—frame body 10—dust cover 11—fixed plate

12—reducer 13—coupling 14—touch panel

2—box 20—mixing chamber 21—heating tube

22—the first channel 23—the second channel 31—the first mixing shaft

32—second mixing shaft 33—mixing section 34—supporting section

35—Spiral discharge groove 36—First sealing ring 37—Second sealing ring

38—Sealed Bearing 41—First Drive 42—Second Drive

43—the third driving member 5—dust-proof mechanism 50—bracket

51—first shaft body 52—second shaft body 53—cover

54—first bevel 55—main board 56—abutment plate

57—Visible hole.

detailed description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention.

Referring to Fig. 2, Fig. 3, Fig. 5, Fig. 6 and Fig. 7, an improved mixing box of the present invention comprises a box body 2 and a mixing shaft hinged on the box body 2, and the box body 2 is roughly hollow Cuboid shape, of course, according to actual needs, the box body 2 can also be hollow spherical or other shapes, the box body 2 is provided with a mixing chamber 20, the mixing chamber 20 is formed from the top of the box body 2, and the mixing shaft is set There is a mixing section 33 located in the mixing chamber 20. The mixing section 33 includes a body and a plurality of arc-shaped fins protruding from the body. The mixing shaft also includes a support connected to the mixing section 33. part 34, the support part 34 is integrally protruded from the body of the mixing part 33, the box body 2 is provided with a through hole for accommodating the support part 34, the support part 34 is provided with a spiral discharge groove 35, and the spiral discharge groove 35 One end is located in the mixing chamber 20, and the depth of the spiral discharge groove 35 gradually decreases along the direction away from the mixing chamber 20, that is, from the end of the spiral discharge groove 35 close to the mixing chamber 20 to the spiral discharge groove 35 away from the mixing chamber. At one end of the mixing chamber 20, the depth of the spiral discharge trough 35 gradually decreases, so that the spiral discharge trough 35 forms a "slide" structure, ensuring that the raw materials in the spiral discharge trough 35 can flow back into the mixing chamber 20 more easily. In this embodiment, both left and right ends of the kneading section 33 are provided with support sections 34 .

In actual use, put various powder raw materials to be mixed into the mixing chamber 20, use a motor or other driving parts to drive the mixing shaft to rotate, stir the raw materials through the mixing part 33, and then mix the raw materials evenly. During the process, the raw materials entering the gap between the mixing shaft and the box body 2 flow into the mixing chamber 20 again through the spiral discharge groove 35, effectively reducing the escape of raw materials through the gap between the mixing shaft and the box body 2. amount of escape.

In this embodiment, along the direction close to the mixing chamber 20, the helical direction of the spiral discharge groove 35 is opposite to the rotation direction of the mixing shaft, for example, when the mixing shaft rotates clockwise, the spiral discharge groove 35 From one end away from the mixing chamber 20 to the end of the spiral discharge groove 35 close to the mixing chamber 20, the spiral direction of the spiral discharge groove 35 is a counterclockwise spiral. When the mixing shaft rotates, the raw materials in the spiral discharge groove 35 are The centrifugal force of the mixing shaft can be used to conveniently and quickly re-enter the mixing chamber 20 for mixing. Vice versa, when the mixing shaft rotates counterclockwise, from the end of the spiral discharge groove 35 away from the mixing chamber 20 to the end of the spiral discharge groove 35 close to the mixing chamber 20, the spiral direction of the spiral discharge groove 35 is in the direction Hour hand spiral.

Preferably, the end of the spiral discharge groove 35 away from the mixing chamber 20 does not protrude from the box body 2, that is, the end of the spiral discharge groove 35 away from the mixing chamber 20 is located in the through hole, and is covered by the side wall of the through hole. The end of the spiral discharge trough 35 away from the mixing chamber 20 protrudes out of the box body 2 compared to the spiral discharge trough 35 , effectively preventing raw materials from escaping to the outside of the mixing box through the spiral discharge chute 35 .

Please refer to Fig. 4 to Fig. 7, the support part 34 is provided with a first sealing ring 36, the first sealing ring 36 is made of metal material, such as aluminum or stainless steel, etc., and the spiral discharge groove 35 is arranged on the first sealing ring 36, the first sealing ring 36 and the kneading shaft are molded separately and then assembled together. In this way, the structural design of the support part 34 of the kneading shaft can be greatly simplified, and the production and processing of the kneading shaft is facilitated. The kneading part 33 is provided with a limit groove, the limit groove is recessed from the end of the body of the kneading part 33, the limit groove is annular, and one end of the first sealing ring 36 is accommodated in the limit groove, by setting The limiting groove facilitates the installation and positioning of the first sealing ring 36 and ensures that the first sealing ring 36 can be quickly assembled to a predetermined position. The spiral discharge groove 35 is integrally recessed from the outer surface of the first sealing ring 36 .

In this embodiment, the first sealing ring 36 is also provided with a ring groove, which is integrally recessed from the outer surface of the first sealing ring 36, and the ring groove is arranged around the first sealing ring 36, and the ring groove and the spiral row The troughs 35 are spaced apart from each other, the annular groove is located in the through hole, and a sealing ring is installed in the annular groove, the inner side of the sealing ring is arranged in the annular groove, and the outer side of the sealing ring abuts against the side wall of the through hole. Preferably, The sealing ring is made of silicone. In this embodiment, the spiral discharge groove 35 forms the first-level sealing structure of the mixing box, and the ring groove and the sealing ring form the second-level sealing structure of the mixing box.

The support portion 34 is also sleeved with a second seal ring 37, the first seal ring 36 is provided with a snap ring, the snap ring is annular, and the snap ring is integrally formed by protruding from the end of the first seal ring 36 away from the mixing chamber 20 , the end of the second seal ring 37 close to the first seal ring 36 is provided with a draw-in groove for accommodating the snap ring, the draw-in groove is integrally recessed from the end face of the second seal ring 37, and the second seal ring 37 is far away from the first seal ring One end of the ring 36 is provided with a stopper. Preferably, the second sealing ring 37 can also be made of silica gel. Of course, the second sealing ring 37 can also be made of thermosetting plastic or thermoplastic. After the second sealing ring 37 is installed at the predetermined position, the stopper is attached to the outer surface of the box body 2 to prevent the second sealing ring 37 from being excessively inserted. Of course, when the second sealing ring 37 is disassembled, the user can grasp the Hold the stopper, and then pull out the second sealing ring 37 easily. By adding the second sealing ring 37, the third-level sealing structure of the mixing box is formed.

A sealed bearing 38 is also installed in the through hole of the box body 2, and the sealed bearing 38 is sleeved on the outside of the first seal ring 36 and the outside of the second seal ring 37. After the improved mixing box is assembled, the seal The end surface of the bearing 38 away from the end of the mixing chamber 20 abuts against the stopper. By adding the sealed bearing 38, on the one hand, the wear between the support portion 34 of the mixing shaft and the side wall of the through hole is slowed down, and the life of the mixing box is extended. On the other hand, it also greatly reduces the noise when the mixing box is in use.

During actual assembly, first install the mixing shaft on the box body 2 through the through hole, then install the sealing bearing 38 in the through hole, and then set the first sealing ring 36 on the support part 34 and move it to the predetermined position. Position, before installing the first sealing ring 36, first install the sealing ring in the ring groove of the first sealing ring 36, and finally set the second sealing ring 37 on the supporting part 34 and move to a predetermined position.

Referring to Fig. 4 and Fig. 8, the box body 2 is also equipped with a heating pipe 21, and the box body 2 is also provided with a through groove spaced apart from the mixing chamber 20, the through groove is arranged around the mixing chamber 20, and the through groove is located at Between the mixing chamber 20 and the heating tube 21; after various powder raw materials to be mixed are added into the mixing chamber 20, the heating tube 21 is used to heat the raw materials in the mixing chamber 20. According to actual needs, the raw materials can be Heating to the molten state, so that the diffusion movement between the raw material molecules is faster, and the stirring of the mixing part 33 in the mixing chamber 20 is combined to ensure that the raw materials can be mixed quickly and fully in a short time. After the raw materials are fully mixed, the cooling The liquid is injected into the through tank to cool down the fully mixed synthetic material, shortening the time required for the cooling of the raw material, thereby greatly improving the mixing efficiency of the raw material.

In this embodiment, the box body 2 is made of aluminum-copper alloy or aluminum-silver alloy, and the temperature of the heating pipe 21 or the cooling liquid can be quickly transferred to the mixing chamber by utilizing the characteristics of good thermal conductivity of aluminum, copper and silver. Raw materials within 20 to ensure that the raw materials can be raised or lowered to the predetermined temperature in a short time. Considering the manufacturing cost of the box body 2, when the box body 2 adopts an aluminum-copper alloy, the components of aluminum and copper each account for 50%; when the box body 2 adopts an aluminum-silver alloy, the composition of aluminum is 80%, and the composition of silver is 20%.

Referring to Fig. 4 to Fig. 8, described kneading shaft comprises the first kneading shaft 31 and the second kneading shaft 32 that are arranged at intervals, the first kneading shaft 31 is equipped with the first gear, and the second kneading shaft 32 is equipped with a second gear, and the number of teeth of the first gear and the second gear is different. During actual use, the output shaft of the motor is connected with the first gear and the second gear through the speed reducer 12. At this time, a driving gear can be installed on the output shaft of the speed reducer 12, and the first gear and the second gear are connected with the driving gear simultaneously. meshing, because the number of teeth of the first gear and the second gear is not the same, the reduction ratio between the driving gear and the first gear is different from that between the driving gear and the second gear, so that the first mixing shaft 31 1. The rotating speed of the second mixing shaft 32 is different, so the cutting force of the two on the raw materials in the mixing chamber 20 is also different, ensuring that the raw materials in the mixing chamber 20 are mixed more quickly and fully, and assisting in improving the production of the mixing machine efficiency.

The through-groove includes a first through-groove 22 and a second through-groove 23 spaced from the first through-groove 22. After the raw materials in the mixing chamber 20 are mixed, the cooling liquid is injected into the first through-groove 22, The heat of the raw materials is transferred to the cooling liquid in the first channel 22, and the heat of the raw materials is taken away by the flow of the cooling liquid, thereby realizing the rapid cooling of the raw materials. When the raw materials are cooled, the mixed synthetic materials are discharged from the box 2 pour out. In the process of mixing raw materials in the mixer, in order to ensure that the raw materials are mixed under the best active state and avoid the denaturation of raw materials caused by excessive temperature, it is necessary to maintain the raw materials at a predetermined temperature, that is, to maintain the mixing box in a heat preservation state At this time, the insulating liquid (such as oil, etc.) is injected into the second channel 23, and the raw materials in the mixing chamber 20 are maintained at a predetermined temperature by using the insulating liquid. Of course, when heating the raw materials in the mixing chamber 20, a heating liquid (such as a high-temperature fluid) can also be injected into the first through groove 22 or the second through groove 23, and the heating pipe 21 and the heating liquid can be used to knead the raw materials at the same time. The raw materials in the box are heated to further shorten the time used to heat the raw materials.

The number of the first through grooves 22 and the second through grooves 23 is multiple, the plurality of first through grooves 22 are spaced from each other and arranged in parallel, the plurality of first through grooves 22 communicate with each other, and the plurality of second through grooves 23 The plurality of second through grooves 23 are arranged at intervals and parallel to each other, and communicate with each other. By increasing the number of first through grooves 22 and second through grooves 23, as many cooling liquids, insulating liquids or heating liquids as possible can conduct heat transfer with the box body 2 at the same time, ensuring that the raw materials in the mixing chamber 20 can be as fast as possible To achieve the predetermined state required by the user. In this embodiment, a second through-slot 23 is provided between two adjacent first through-slots 22, and a first through-slot 22 is provided between two adjacent second through-slots 23, that is, the first through-slot 22 and the second through grooves 23 are alternately arranged to further assist in improving the efficiency of heat transfer.

Please refer to Fig. 1 to Fig. 3, a kind of kneader with improved mixing box of the present invention, comprises frame body 1, the first driver 41 and dust-proof mechanism 5 that are installed on frame body 1, frame The body 1 is roughly in the shape of a hollow cuboid, and the frame body 1 is welded by a plurality of metal rods. In this embodiment, the first driving part 41 can be a motor. Of course, according to actual needs, the first driving part 41 can also be a cylinder or a cylinder. Other power sources such as hydraulic cylinders also include the above-mentioned improved mixing box, and the box body 2 is installed on the frame body 1. In order to facilitate the installation of the first driver 41 and the dustproof mechanism 5, the frame body 1 A fixed plate 11 is also installed on the top of the top, and the fixed plate 11 is roughly a rectangular metal flat plate. The first driver 41 and the dust-proof mechanism 5 are all installed on the fixed plate 11. The output end of the first driver 41 is connected to the mixing shaft. During actual production, a speed reducer 12 is also installed on the fixed plate 11, and the output shaft of the first driver 41 is connected with the input shaft of the speed reducer 12 through the shaft coupling 13, and the rotating speed of the first driver 41 is reduced by the speed reducer 12. And then promote the output torque of the first driver 41, the output shaft of the speed reducer 12 is equipped with and driving gear, and the driving gear meshes with the first gear of the first mixing shaft 31 and the second gear of the second mixing shaft 32 respectively; Of course, the speed reducer 12 can also be provided with two output shafts, and driving gears are installed on the two output shafts. The dust-proof mechanism 5 is used to cover the mixing chamber 20, and when the mixing shaft stirs the raw materials in the mixing chamber 20, it prevents The raw materials in the mixing chamber 20 escape.

Referring to Fig. 2, Fig. 3, Fig. 9, Fig. 10 and Fig. 11, the dust-proof mechanism 5 includes a bracket 50 mounted on the fixed plate 11, a second driving member 42 mounted on the bracket 50, and hinged on the The first shaft body 51 and the two second shaft bodies 52 on the bracket 50, the casings 53 which are respectively installed on the two second shaft bodies 52 and cooperate with each other, the output end of the second driving member 42 and the first shaft body The two second shaft bodies 52 are respectively engaged with the two ends of the first shaft body 51 .

The support 50 includes two vertical plates spaced from each other and arranged in parallel, a middle plate connecting the two vertical plates, a supporting plate connected with the lower end of the vertical plate and the lower end of the middle plate, connected with the upper end of the vertical plate and the upper end of the middle plate. The top plate, the two vertical plates have the same shape, the vertical plate and the middle plate are rectangular flat plates, the middle plate is located between the two vertical plates, the two ends of the middle plate are respectively connected to the rear ends of the two vertical plates, and the supporting plate is installed on the On the fixed plate 11, the first shaft body 51 is hinged on the middle board, the second driving member 42 is installed on the middle board, the second driving member 42 is a driving cylinder, and the two second shaft bodies 52 are respectively hinged on different vertical boards superior.

The middle position of the first shaft body 51 is also equipped with a third gear, and the piston rod of the second driving member 42 is connected with a rack meshed with the third gear, and the second driving member 42 drives the rack to telescopically move to realize The rotation of the third gear, because the third gear is fixedly connected with the first shaft body 51 , the third gear rotates together with the rotation of the first shaft body 51 . Certainly, the second drive member 42 can also be an electric cylinder or a drive motor, etc., and when the second drive member 42 was a drive motor, the output shaft of the second drive member 42 was installed with a drive gear or a drive gear meshed with the third gear. The worm, the second driving member 42 rotates with the driving gear or the worm, and the driving gear or the worm rotates with the third gear meshed with it, thereby realizing the rotation of the first shaft body 51 .

The left and right ends of the first shaft body 51 are respectively equipped with fourth gears, and the two second shaft bodies 52 are respectively equipped with fifth gears meshing with different fourth gears. When the first shaft body 51 rotates , the first shaft body 51 drives the fourth gear to rotate, the fourth gear drives the fifth gear meshed with it to rotate, the fifth gear rotates with the second shaft body 52 fixed together with it, and the second shaft body 52 further The casing 53 rotates, so that the mixing box is clamped between the two casings 53, and the opening of the mixing chamber 20 is closed by the casing 53, so as to prevent the powder raw materials from escaping from the opening of the mixing box during mixing, thereby achieving Dustproof effect.

The two vertical plates of the bracket 50 are respectively provided with a first slope 54, the first slope 54 is located at the end of the vertical plate away from the middle plate, the first slope 54 extends downward and backward from the top of the vertical plate, and the second The shaft body 52 is installed on the outer surface of the vertical board, that is, the second shaft body 52 and the middle board are respectively located on the left and right sides of the vertical board, the second shaft body 52 is arranged parallel to the first slope 54, and the casing 53 includes a main board 55 And the abutment plate 56 vertically extending from the main board 55, the main board 55 is installed on the second shaft body 52, the main board 55 is a right triangle, the main board 55 is provided with a second inclined plane for abutting against the first inclined plane 54, the second inclined plane Parallel to the hypotenuse of the main board 55, of course, the second slope can also be arranged on the hypotenuse of the main board 55, the abutment plate 56 is parallel to a right-angled side of the main board 55, and the abutment plates 56 of the two casings 53 are used to abut against connected together. In this embodiment, the abutment plate 56 and the main board 55 are integrally formed. If necessary, the abutment plate 56 and the main board 55 can also be formed separately and separately, and then the two are fixedly installed together. When the two casings 53 are rotated and closed Finally, the two abutment plates 56 are closely attached to each other, and the first inclined surface 54 is closely attached to the second inclined surface to ensure that there is no gap between the two abutting plates 56 and between the first inclined surface 54 and the second inclined surface. Prevent the powder raw material that has escaped from the kneading box from escaping to the outside from the above-mentioned gap.

Visible holes 57 can also be set on the main board 55 or on the abutting plate 56, certainly, also can be provided with the visible holes 57 on the main board 55 and the abutting plate 56 at the same time, the visible holes 57 can be connected with the opening of the mixing box Connected, during actual use, the viewing hole 57 is used to install the transparent plate, and the staff can watch the mixing situation of the materials in the mixing box through the transparent plate. According to specific needs, the transparent plate can adopt a transparent glass plate or a transparent plastic plate.

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 8, in the present embodiment, the top plate of described support 50 is also provided with the 3rd driver 43, and the 3rd driver 43 is the driving cylinder, and the 3rd driver The piston rod of the part 43 is connected with a cover plate. When various powder materials are added into the mixing chamber 20, the piston rod of the third driving part 43 extends downwards and covers the opening of the mixing chamber 20 together with the cover plate. When the kneading portion 33 of the kneading shaft stirs the raw materials in the kneading chamber 20 , it prevents the raw materials in the kneading chamber 20 from splashing out. Then the second driving member 42 drives the casing 53 to clamp the kneading box, and seals the kneading box again, further preventing the raw materials in the kneading chamber 20 from escaping. According to actual needs, the dust cover 10 can also be installed on the fixed plate 11, and the whole kneader is covered by the dust cover 10, and then the inside of the dust cover 10 is connected with the exhaust fan or the central exhaust system, and the dust cover 10 The raw material dust inside is collected and processed in a unified manner.

The fixed plate 11 can also be equipped with a fourth driver, the fourth driver is a drive cylinder, the lower end of the mixing box is provided with a discharge port communicated with the mixing chamber 20, and the piston rod of the fourth driver is connected with a seal Plate, in actual use, the piston rod of the fourth driving part is stretched out to seal the sealing plate to the discharge port, and then various powder raw materials are added into the mixing chamber 20, and after the various raw materials are mixed uniformly to form a synthetic material , the piston rod of the fourth driving member is retracted to open the discharge port together with the sealing plate, and then the synthetic material flows out from the mixing chamber 20 through the discharge port.

Of course, the fifth driving member can also be installed on the fixed plate 11, and the fifth driving member is a driving cylinder. At this time, the lower end of the mixing box is hinged on the fixed plate 11, and one end of the mixing shaft is detachably connected to the speed reducer 12. Connected together, the piston rod of the fifth driver is hinged on the other end of the mixing shaft or on the mixing box. After the raw materials in the mixing chamber 20 are mixed evenly into synthetic materials, loosen the mixing shaft and the reducer. 12, the dust-proof mechanism 5 opens the cover 53, and the piston rod of the fifth driving member stretches out to tilt the mixing box, so that the synthetic material is directly poured out through the opening of the mixing chamber 20.

The frame body 1 is also equipped with a control box. In this embodiment, the control box is installed inside the frame body 1, and a touch panel 14 electrically connected to the control box is also installed on the fixed plate 11 or the dust cover 10. , the touch panel 14 can be connected with the controller of the control box through cables or wireless transmission, the heating tube 21, the first driving part 41, the second driving part 42, the third driving part 43, the fourth driving part and the second driving part The five driving parts are respectively electrically connected with the controller of the control box, and the operating parameters of each driving part and heating tube 21 are regulated by the touch panel 14 through the controller, so as to realize the automatic operation of the entire mixing machine.

The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. limits.

Claims (10)

1. An improved mixing box, comprising a box body, a mixing shaft hinged on the box body, the box body is provided with a mixing chamber, and the mixing shaft is provided with a mixing section positioned in the mixing chamber, characterized in that: The mixing shaft also includes a support part connected with the mixing part, the box body is provided with a through hole for accommodating the support part, the support part is provided with a spiral discharge groove, and one end of the spiral discharge groove is located in the mixing chamber. 2. The improved mixing box according to claim 1, characterized in that: along the direction close to the mixing chamber, the spiral direction of the spiral discharge groove is opposite to the rotation direction of the mixing shaft. 3. The improved mixing box according to claim 1, characterized in that: the supporting part is covered with a first sealing ring, the mixing part is provided with a limiting groove, and one end of the first sealing ring is accommodated in the limiting groove. In the groove, a spiral discharge groove is arranged on the first sealing ring, and the spiral discharge groove is formed by recessing from the outer surface of the first sealing ring. 4. The improved mixing box according to claim 3, characterized in that: the support part is also sleeved with a second sealing ring, the first sealing ring is provided with a snap ring, and the second sealing ring is provided with a ring for accommodating In the snap ring groove, the end of the second sealing ring away from the first sealing ring is provided with a stopper. 5. The improved mixing box according to claim 4, characterized in that: a sealed bearing is also installed in the through hole, the sealed bearing is sleeved on the first sealing ring and the second sealing ring, and the sealed bearing is far away from the mixing chamber. One end of the refining chamber abuts against the stopper. 6. The improved mixing box according to claim 1, characterized in that: the box body is also equipped with a heating pipe, the box body is provided with a through groove spaced from the mixing chamber, and the through groove surrounds the mixing chamber Set, the channel is located between the mixing chamber and the heating tube. 7. The improved mixing box according to claim 1, characterized in that: the mixing shaft includes a first mixing shaft and a second mixing shaft arranged at intervals, and the first mixing shaft is equipped with a second mixing shaft. A gear, the second mixing shaft is equipped with a second gear, the number of teeth of the first gear and the second gear are different. 8. A kneader with an improved kneading box, comprising a frame body and a first driver mounted on the frame body, characterized in that: it also includes the An improved mixing box, the box is installed on the frame body, and the output end of the first driving member is connected with the mixing shaft. 9. The mixer with improved mixing box according to claim 8, characterized in that: the mixer with improved mixing box also includes a dust-proof mechanism for covering the mixing chamber The dust-proof mechanism includes a bracket installed on the frame, a second drive member installed on the bracket, a first shaft hinged to the bracket and two second shafts, respectively installed on the two second shafts and The shells cooperate with each other, the output end of the second driving member is connected with the first shaft body, and the two second shaft bodies are engaged with the two ends of the first shaft body respectively. 10. The mixer with improved mixing box according to claim 9, characterized in that: the support is provided with a first slope, the second shaft is arranged parallel to the first slope, and the casing includes a main board and An abutment plate extending vertically from the main board, the main board is installed on the second shaft body, the main board is a right triangle, the main board is provided with a second slope for abutting against the first slope, the second slope is parallel to the hypotenuse of the main board, and The board is parallel to one right-angled side of the main board, and the abutment boards of the two casings are used to abut together.