CN210229857U - Vacuum gypsum powder stirring machine for preparing lost wax casting gypsum mold cavity - Google Patents

Abstract

The utility model relates to an agitated vessel field especially relates to a powder machine is stirred to vacuum gypsum that lost wax casting gypsum die cavity preparation was used, including support frame and the agitator that is located the support frame top, install the (mixing) shaft in the agitator, be provided with on the support frame and rotate the dwang of connecting in the support frame, agitator detachable peg graft in one side of dwang, dwang is connected with sealed lid, and sealed covering installs drive (mixing) shaft pivoted motor, and the through-hole has been seted up to the bottom of agitator, installs the connection in the through-hole the output shaft of motor with the sleeve of (mixing) shaft. When the stirring barrel needs to be cleaned, the connection between the output end of the motor and the sleeve is firstly released, then the stirring barrel is directly pulled out from the slot, and the inside of the stirring barrel is cleaned. After cleaning, the device is mounted in the same way. Through agitator detachable peg graft in the dwang, the connected mode of pegging graft is simpler, convenient to detach and installation, makes things convenient for the agitator to dismantle to get off and clear up.

Description

Vacuum gypsum powder stirring machine for preparing lost wax casting gypsum mold cavity

Technical Field

The utility model relates to an agitated vessel field especially relates to a powder machine is stirred to vacuum gypsum that lost wax casting gypsum die cavity preparation was used.

Background

At present, a gypsum cavity is generally adopted for lost wax casting as a casting and shaping container, and the general process flow comprises the steps of manufacturing a wax tree model, fixing the wax tree model by gypsum, forming the gypsum cavity model by high-temperature lost wax and gypsum solidification, and injecting molten metal into the gypsum cavity model to complete the casting and shaping process. The smoothness of the inner wall of the gypsum cavity and the compactness of the gypsum cavity are very important decisive for the appearance and the forming precision of the metal casting.

In the patent of Chinese utility model with the publication number of CN205951030U, a vacuum gypsum powder mixer for preparing a lost wax casting gypsum mold cavity is disclosed, which comprises a frame and a mixing barrel, wherein a mixing shaft is arranged in the mixing barrel, a mixing blade is arranged on the mixing shaft, the mixing shaft is driven by a motor, the mixing barrel is arranged at the upper part of the frame, a lower barrel which can be sealed is arranged at the lower part of the mixing barrel, and the mixing barrel is communicated with the lower barrel through a discharge pipe; the lower barrel is provided with a vacuum-pumping device and a vibration motor. The scheme can improve the compactness of the formed gypsum cavity, reduce micro-pores and improve the finish of the inner wall of the gypsum cavity, thereby improving the surface finish of a casting and improving the casting yield. A cleaning spray head is arranged in the stirring barrel, and the stirring barrel, the stirring shaft and the stirring blade after use can be cleaned.

The above prior art solutions have the following drawbacks: because (mixing) shaft and stirring vane fixed mounting are in the agitator, some positions of stirring vane can not wash, easily cause the residue of gypsum. The remaining solid gypsum is mixed into new liquid gypsum for the next use. Because the solidified gypsum is not dissolved in the new liquid gypsum, when the gypsum cavity is formed, the residual solid gypsum may be located on the inner wall of the gypsum cavity, which causes the inner wall of the gypsum cavity to be unsmooth, and the casting yield to be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vacuum gypsum powder mixer for preparing lost wax casting gypsum mould cavity. Its advantage lies in changing through the structure to agitator and agitating unit, conveniently dismantles agitator and agitating unit and gets off the washing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a powder machine is stirred to vacuum gypsum that lost wax casting gypsum die cavity preparation was used, includes the support frame and is located the agitator of support frame top, install the (mixing) shaft in the agitator, be provided with on the support frame rotate connect in the dwang of support frame, agitator detachable peg graft in the dwang, one side of dwang is connected with sealed lid, sealed covering installs drive (mixing) shaft pivoted motor, the through-hole has been seted up to the bottom of agitator, install the connection in the through-hole the output shaft of motor with the sleeve of (mixing) shaft.

Through adopting above-mentioned technical scheme, when needing to wash the agitator, remove motor output shaft and telescopic being connected earlier, directly extract the agitator from the slot again, wash the agitator inside. After cleaning, the device is mounted in the same way. Peg graft in the dwang through agitator detachable, the connected mode of pegging graft is simpler for agitator convenient to detach and installation make things convenient for the agitator to dismantle and get off and clear up. The residual solid gypsum is prevented from being mixed into the new liquid gypsum, and the high yield is ensured during casting.

Preferably, the rotating rod is provided with a slot, the depth of the slot is equal to the height of the stirring barrel, and the stirring barrel is provided with an insertion block which is just inserted into the slot.

Through adopting above-mentioned technical scheme, the length of slot is the same with the agitator height, is provided with the inserted block that inserts the slot just on the agitator for the inserted block is bigger with the face of being connected of agitator, and is more firm to what the agitator supported.

Preferably, the rotating rod is provided with an insertion hole, the diameter of the insertion hole is larger than the width of the insertion groove, the insertion hole is communicated with the insertion groove, and one side of the insertion block is provided with an insertion rod which is just inserted into the insertion hole.

Through adopting above-mentioned technical scheme, the diameter of jack is greater than the width of slot, and the jack is linked together with the slot for inserted bar and jack keep fixed connection, are difficult for following the jack internal slip and deviate from. Meanwhile, the contact area between the inserted rod and the jack is large, and the pressure on the contact surface between the inserted rod and the jack is large, so that the abrasion degree of the contact surface is reduced, and the installation and the disassembly of the inserted rod and the inserted block are facilitated.

Preferably, the bottom of the stirring barrel is provided with a discharge opening, the sealing cover is provided with a discharge pipe inserted into the discharge opening, and the discharge opening is provided with a sealing gasket for sealing the joint of the discharge pipe and the discharge opening.

Through adopting above-mentioned technical scheme, through the setting of sealed pad, strengthened the leakproofness of discharge tube with the discharge opening.

Preferably, the inner circumferential surface of the sealing gasket is provided with a yielding groove for facilitating the insertion of the discharging pipe.

Through adopting above-mentioned technical scheme, sealed the pad has been seted up and has been stepped down the groove, gives by extruded sealed pad and has left the space of deformation, under the prerequisite of assurance discharge tube and discharge opening leakproofness, is favorable to the discharge tube to insert the discharge opening.

Preferably, a discharge valve is arranged at the discharge pipe.

Through adopting above-mentioned technical scheme, through setting up the discharge valve, conveniently open and close the discharge tube. And when the discharging is not needed, the discharging valve is closed.

Preferably, the stirring shaft is connected with stirring blades.

Through adopting above-mentioned technical scheme, through increasing stirring vane, indirectly increased the area of contact of (mixing) shaft with liquid gypsum, promoted the effect of stirring.

Preferably, the stirring blade is provided as a circular arc surface.

Through adopting above-mentioned technical scheme, stirring vane sets to the arc surface, and when stirring liquid gypsum, the resistance that the stirring vane of arc surface received is less, and the stirring gypsum is more smooth and easy, has slowed down stirring vane's wearing and tearing.

Preferably, a handle is mounted on a side wall of the stirring barrel.

Through adopting above-mentioned technical scheme, if do not have the handle, directly lift or encircle the agitator through the hand, realize the installation and the dismantlement of agitator, operation this moment and inconvenient. Through setting up the handle, the agitator is easy to assemble and take off.

To sum up, the utility model discloses a beneficial technological effect does:

1. the stirring barrel is detachably connected with the rotating rod in an inserting mode, so that the stirring barrel is convenient to detach and clean;

2. the diameter of the jack is larger than the width of the slot, and the jack is communicated with the slot, so that the inserted bar is fixedly connected with the jack and is not easy to slip out of the jack.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a vacuum gypsum mixer for preparing a lost wax casting gypsum mold cavity.

Fig. 2 is a schematic view of a connection structure of the jack and the plug.

Fig. 3 is a sectional view of the agitating barrel.

FIG. 4 is a schematic view of the structure of the stirring shaft and blades.

Fig. 5 is a schematic view of the positions of the discharge opening and the discharge tube.

Fig. 6 is a schematic view of the position of the gasket.

Fig. 7 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a support frame; 2. an exhaust device; 3. a stirring barrel; 31. inserting a block; 32. a through hole; 321. a rotating bearing; 33. a handle; 34. a discharge opening; 35. inserting a rod; 341. a gasket; 3411. a yielding groove; 4. rotating the rod; 41. connecting blocks; 42. a slot; 43. a jack; 5. a sleeve; 6. a stirring shaft; 61. a stirring blade; 7. a sealing cover; 71. a discharge pipe; 72. a discharge valve; 8. an electric motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the vacuum gypsum powder mixer for preparing lost wax casting gypsum mold cavity disclosed by the utility model comprises a support frame 1, an exhaust device 2 and a mixing barrel 3,

the exhaust device 2 is positioned at the middle upper position of the support frame 1. The exhaust device 2 includes a lower barrel, a vacuum pumping device and a vibration motor, which are described in detail in the chinese utility model patent No. CN205951030U, and therefore will not be described in detail herein. The mixing barrel 3 is positioned above the support frame 1. The top of support frame 1 is close to the position on one side and rotates and is connected with dwang 4, and dwang 4 is perpendicular to the plane at support frame 1's top. The slot 42 has been seted up along the axial of dwang 4 to dwang 4, and the top of dwang 4 is provided with the opening, and the bottom of dwang 4 sets up and does not have the opening. The rotating rod 4 is provided with an insertion hole 43 along the axial direction of the rotating rod 4, and the insertion hole 43 is communicated with the insertion groove 42. The diameter of the insertion hole 43 is larger than the width of the insertion groove 42. The depth of the slot and the jack is equal to the height of the stirring barrel. The outer side wall of the stirring barrel 3 is welded with the insertion block 31, one side of the insertion block 31 is welded with the insertion rod 35, the insertion block 31 is matched with the insertion slot 42, the insertion rod 35 is matched with the insertion hole 43, the insertion block 31 can be just inserted into the insertion slot 42, and the insertion rod 35 can be just inserted into the insertion hole 43.

When the stirring barrel 3 is installed, the insert block 31 and the insert rod 35 are inserted from the opening at the top of the rotating rod 4, the insert block 31 is inserted into the insertion slot 42, and the insert rod 35 is inserted into the insertion hole 43, so that the stirring barrel 3 is fixedly connected with the rotating rod 4. The position that the dwang 4 lateral wall is close to the bottom has the connecting block 41 in the welding, and the connecting block 41 welding has sealed lid 7, and sealed lid 7 can seal exhaust apparatus 2. The sealing cover 7 is provided with a motor 8. U-shaped handles 33 are arranged at the corresponding positions on the outer side wall of the stirring barrel 3, and the handles 33 facilitate the installation and the disassembly of the stirring barrel 3.

Referring to fig. 3, a through hole 32 has been seted up to the bottom intermediate position of agitator 3, installs rolling bearing 321 in the through hole 32, installs sleeve 5 through interference fit in rolling bearing 321, and 5 one end of sleeve is located agitator 3, and the other end is located outside agitator 3, and sleeve 5 is located 3 inside portions of agitator and is provided with the internal thread. A stirring shaft 6 is arranged in the stirring barrel 3, and one end of the stirring shaft 6 is in threaded connection with the sleeve 5. An output shaft of the motor 8 is fixedly connected with the sleeve 5 positioned at one end outside the stirring barrel 3 through a bolt. When the motor 8 works, the output shaft of the motor 8 rotates, and the rotation of the motor output shaft drives the sleeve 5 to rotate, so that the rotation of the stirring shaft 6 is driven.

Referring to fig. 4, the stirring blade 61 is welded to the side wall of the stirring shaft 6, and the stirring blade 61 is perpendicular to the end surface of the stirring shaft 6. Stirring vane 61 sets to the arc surface, and when stirring liquid gypsum, the resistance that stirring vane 61 of arc surface received is less, and the stirring gypsum is more smooth and easy, has slowed down stirring vane 61's wearing and tearing.

Referring to fig. 5, a discharge opening 34 is formed at the bottom of the mixing tank 3, a discharge pipe 71 which can be inserted into the discharge opening 34 is installed on the sealing cover 7, a discharge valve 72 is disposed on the discharge pipe 71, and the opening and closing of the discharge pipe 71 can be controlled by the discharge valve 72.

Referring to fig. 6 and 7, a gasket 341 is adhered to the discharge opening 34 to surround the discharge opening 34, and an abdicating groove 3411 is formed in the inner side of the gasket 341 in the vertical direction. The seal gasket 341 is provided with a yielding groove 3411, so that a deformation space is reserved for the extruded seal gasket 341, and the discharge pipe 71 can be inserted into the discharge opening 34 conveniently on the premise of ensuring the sealing performance between the discharge pipe 71 and the discharge opening 34.

The implementation process of the embodiment is as follows: when the stirring barrel 3 and the stirring blade 61 need to be cleaned, the discharge pipe 71 is firstly pulled down, the bolt between the motor 8 and the sleeve 5 is disassembled, the fixed connection between the motor 8 and the sleeve 5 is released, and then the stirring barrel 3 is taken down through the handle 33. After the stirring barrel 3 is taken down, the stirring shaft 6 is rotated, and the stirring shaft 6 and the stirring blades 61 are taken down. At this time, the stirring barrel 3, the stirring shaft 6 and the stirring blade 61 can be cleaned.

After cleaning, the stirring shaft 6 is inserted into the sleeve 5, and the stirring shaft 6 is rotated, so that the stirring shaft 6 is fixedly connected with the sleeve 5. The insert block 31 is inserted into the insert groove 42 and the insert rod 35 is inserted into the insert hole 43 so that the agitation tank 3 is fixedly coupled to the rotation lever 4, and then the motor 8 and the discharge tube 71 are installed. After the process is installed, the discharge valve 72 is checked to close, and liquid gypsum can be added to the sleeve 5 for mixing. After the liquid gypsum is stirred, the discharge valve 72 is opened to allow it to enter the exhaust apparatus 2 for use.

Peg graft in the dwang through agitator detachable for the agitator makes things convenient for the agitator to dismantle to get off and clears up, has avoided remaining solid state gypsum to sneak into in the new liquid gypsum, has ensured the casting time and has had higher yield.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a powder machine is stirred to vacuum gypsum that lost wax casting gypsum die cavity preparation was used, includes support frame (1) and is located agitator (3) of support frame (1) top, install (mixing) shaft (6) in agitator (3), be provided with on support frame (1) rotate connect in dwang (4) of support frame (1), its characterized in that: agitator (3) detachable peg graft in dwang (4), one side of dwang (4) is provided with sealed lid (7), install motor (8) on sealed lid (7), through-hole (32) have been seted up to the bottom of agitator (3), install the connection in through-hole (32) motor (8) output shaft with sleeve (5) of (mixing) shaft (6).

2. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 1, wherein: slot (42) have been seted up in dwang (4), the degree of depth of slot (42) equals the height of agitator (3), be provided with on agitator (3) and insert just insert plug (31) of slot (42).

3. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 2, wherein: seted up jack (43) on dwang (4), the diameter of jack (43) is greater than the width of slot (42), jack (43) with slot (42) are linked together, install the one side of inserted block (31) and just inject inserted bar (35) of jack (43).

4. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 1, wherein: discharge opening (34) have been seted up to the bottom of agitator (3), install on sealed lid (7) and insert discharge tube (71) of discharge opening (34), discharge opening (34) are installed and are sealed discharge tube (71) with sealed pad (341) of discharge opening (34) kneck.

5. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 4, wherein: the inner circumferential surface of the sealing gasket (341) is provided with a yielding groove (3411) which is convenient for the discharge pipe (71) to be inserted.

6. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 4, wherein: and a discharge valve (72) is arranged at the discharge pipe (71).

7. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 1, wherein: and the stirring shaft (6) is connected with stirring blades (61).

8. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 7, wherein: the stirring blades (61) are arranged into arc surfaces.

9. The vacuum gypsum mixer for preparing lost wax casting gypsum mold cavities of claim 1, wherein: and a handle (33) is arranged on the side wall of the stirring barrel (3).

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