CN213841821U

CN213841821U - Degreasing and dewaxing condenser of powder injection molding sintering furnace

Info

Publication number: CN213841821U
Application number: CN202022795135.5U
Authority: CN
Inventors: 肖波; 田汐
Original assignee: Suzhou Chuangzhuo Precision Manufacturing Co ltd
Current assignee: Suzhou Chuangzhuo Precision Manufacturing Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-30
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a degreasing dewaxing condenser of powder injection molding fritting furnace belongs to degreasing dewaxing condenser technical field to in the degreasing dewaxing condenser of solving current powder injection molding fritting furnace, impurity in the condensate is through piling up for a long time, blocks up the filtration pore of filter easily, has reduced filtration efficiency, and cooling fan is when continuous operation simultaneously, and the vibration can make connection structure not hard up, leads to equipment wear easily, and the hot steam that the fritting furnace produced makes the junction take place the cracked problem of inflation easily moreover, the on-line screen storage device comprises a base, base top right side is equipped with the surge drum, and the surge drum passes through bolt and base fixed connection. The utility model discloses in because the insert head is simple with butt joint union coupling structure, the installation and the dismantlement of the intake pipe of being convenient for and fritting furnace, the elasticity clamping piece is located the embedded groove simultaneously, utilizes elasticity clamping piece and solid fixed ring's cushioning effect, prevents effectively that the pipe wall from being heated the thermal expansion and breaking, leads to the insert head to deviate from in the butt joint pipe.

Description

Degreasing and dewaxing condenser of powder injection molding sintering furnace

Technical Field

The utility model belongs to the technical field of degrease dewaxing condenser, more specifically says, in particular to degrease dewaxing condenser of powder injection molding fritting furnace.

Background

At present, the powder injection molding technology is applied in large scale in small and medium-sized enterprises in powder metallurgy. Degreasing, dewaxing and high-temperature sintering are key processes in the production of injection molding products, are core technology process sections for removing a binder and performing high-temperature sintering after a molding process section of a powder metallurgy product, and are related to physical properties of the product such as size, density, strength and hardness and chemical properties of materials such as corrosion resistance, aging and oxidation. In the existing small and medium-sized enterprises for powder metallurgy injection molding production in China, degreasing and dewaxing devices used in high-temperature sintering operation are designed to be relatively complicated. The common structure is a spiral structure, and the device with the spiral structure is heated to condense and volatilize the binder gas; still others are designed to be secondary or even tertiary degreased structures.

As in application No.: CN 201921283180.3's utility model discloses a degreasing dewaxing condenser of powder injection molding fritting furnace, including condensation main part and waste residue holding vessel. The condensation main body comprises an outer wall, an internal vent pipe, a cooling water inlet pipe, a cooling water outlet pipe, an air inlet pipe and an air outlet pipe; a plurality of internal vent pipes are arranged in the outer wall; the two ends of the internal vent pipe are respectively connected to different water-stop plates to form a relatively closed water containing space and an air flow channel. The low-cost and high-efficiency device for degreasing and dewaxing and collecting and storing the adhesive-volatilized atmosphere is formed by improving the condensing structure and the collector for degreasing and dewaxing for the powder injection molding vacuum/atmosphere sintering furnace, and has the advantages of simple structure, convenience in use, low cost, high condensing speed, high degreasing and dewaxing rate, thorough collection of adhesive residues, simplicity and convenience in cleaning and no need of heating.

Based on the retrieval of above-mentioned patent, and combine the equipment discovery among the prior art, in the degrease dewaxing condenser of current powder injection shaping fritting furnace, lack reasonable filtration, impurity in the condensate is piled up for a long time, block up the filtration pore of filter easily, filtration efficiency has been reduced, radiator fan is when continuously operating simultaneously, the vibration can make connection structure not hard up, lead to equipment wearing and tearing easily, and the intake pipe is not stable enough with the condenser pipe junction, the hot steam that the fritting furnace produced makes the junction take place the inflation easily and breaks.

In view of the above, the present invention provides a degreasing and dewaxing condenser for a sintering furnace for powder injection molding, which is improved in view of the conventional structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a degreasing and dewaxing condenser of powder injection molding fritting furnace, in order to solve the degreasing and dewaxing condenser of current powder injection molding fritting furnace, lack reasonable filtration, impurity in the condensate is piled up for a long time, block up the filtration pore of filter easily, the filtration efficiency has been reduced, radiator fan is when continuous operation simultaneously, the vibration can make connection structure not hard up, lead to equipment wear easily, and intake pipe and condenser pipe junction are stable inadequately, the hot steam that the fritting furnace produced makes the junction take place the problem that the inflation is cracked easily.

The utility model discloses the purpose and the efficiency of the degrease dewaxing condenser of powder injection molding fritting furnace are reached by following specific technological means:

a degreasing and dewaxing condenser of a powder injection molding sintering furnace comprises a base, wherein a collecting cylinder is arranged on the right side of the top end of the base and fixedly connected with the base through a bolt; the rear end of the collecting cylinder is provided with a circulating pipe; a fixed frame is fixedly arranged at the front end of the collecting cylinder; the fixed frame is provided with a filtering mechanism; the left side of the top end of the base is provided with a fin box, and the fin box is fixedly connected with the base through a bolt; a condensing pipe is arranged inside the fin box; one end of the condensation pipe is connected with the connecting assembly through an air inlet pipe; the other end of the condensation pipe is connected with the filtering mechanism through a water outlet pipe; the base top is equipped with cooling fan, and cooling fan sets up in fin case right side to cooling fan passes through mounting bracket and base fixed connection.

Further, the cooling fan comprises a cooling fan blade and slots, the cooling fan blade is arranged at the left end of the cooling fan and is rotatably connected with the cooling fan through a rotating shaft, and two slots are arranged at the bottom end of the cooling fan and are distributed in a symmetrical mode.

Further, the mounting bracket includes support frame, damping spring, U type collet and connecting block, the mounting bracket is V type structure, and the mounting bracket is connected with the slot through two U type collets to through locking bolt locking, two U type collet passes through bolt and connecting block fixed connection, and the connecting block bottom is connected with the support frame through the inserted bar, and the cover is equipped with damping spring on the inserted bar.

Further, coupling assembling includes butt joint pipe, insert head, embedded groove and solid fixed ring, butt joint pipe one end communicates with each other with the intake pipe, and is equipped with the insert head to the pipe other end, the embedded groove has been seted up with the insert head junction tip to butt joint pipe, and the embedded groove is the loop configuration, the cover is equipped with solid fixed ring on the butt joint pipe, and gu fixed ring passes through bolt and butt joint pipe fixed connection.

Further, the insert head still includes locking sleeve pipe, insert tube, screwed pipe and elasticity clamping piece, the cover is equipped with locking sleeve pipe on the insert tube, and locking sleeve pipe passes through the bearing housing and is connected with the insert tube rotation, locking sleeve pipe one end is equipped with the screwed pipe, and the screwed pipe tip is equipped with three elasticity clamping pieces, the elasticity clamping piece is the arc structure, and three elasticity clamping pieces are the annular array mode and distribute, works as when the insert head is connected state with the butt joint pipe, in the elasticity clamping piece sliding insertion embedded groove to locking sleeve pipe passes through screwed pipe and butt joint pipe fixed connection.

Further, filtering mechanism includes cartridge filter, rabbling mechanism, impurity collecting vat and induction pipe, cartridge filter main part is cylindricality cavity structure, and the cartridge filter communicates with each other with the collecting vat through the induction pipe, be equipped with the rabbling mechanism on the cartridge filter, the cartridge filter bottom is equipped with the impurity collecting vat, the impurity collecting vat is the toper cavity structure, and impurity collecting vat bottom is equipped with the drain.

Further, rabbling mechanism still includes motor, rotation axostylus axostyle, stirring fan blade and filter, the motor passes through bolt and mount fixed connection, the pivot bottom fixed mounting of motor has the rotation axostylus axostyle, and rotates the axostylus axostyle and run through the cartridge filter to the rotation axostylus axostyle passes through the bearing and is connected with the cartridge filter rotation, be equipped with two sets of stirring fan blades on the rotation axostylus axostyle, and two sets of stirring fan blades all rotate with the cartridge filter through rotating the axostylus axostyle and be connected, be equipped with the filter on the rotation axostylus axostyle, and the filter is located stirring fan blade top to filter and cartridge filter fixed connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

because the mounting bracket is V type structure, two U type collets pass through bolt and connecting block fixed connection, and the connecting block bottom is connected with the support frame through the inserted bar to the cover is equipped with damping spring on the inserted bar, utilizes two U type collets and slot looks joints, and through locking bolt locking, makes radiator fan and mounting bracket connection structure more firm, has set up damping spring between mounting bracket and the support frame simultaneously, thereby guarantees that radiator fan can last steady operation.

Because locking sleeve pipe one end is equipped with the screwed pipe, and the screwed pipe tip is equipped with three elasticity clamping pieces, the elasticity clamping piece is the arc structure, and three elasticity clamping pieces are the annular array mode and distribute, when the plug-in is connected state with the butt joint pipe, the elasticity clamping piece is in the embedded groove of sliding insertion, and the locking sleeve pipe passes through the screwed pipe and passes through butt joint pipe fixed connection, it is thus visible, plug-in and butt joint union coupling structure is simple, be convenient for intake pipe and fritting furnace's installation and dismantlement, the elasticity clamping piece is located the embedded groove simultaneously, utilize the cushioning effect of elasticity clamping piece and solid fixed ring, prevent effectively that the pipe wall from being heated the inflation and breaking, lead to the plug-in to deviate from in the butt joint pipe.

Because be equipped with two sets of stirring fan blades on the rotation axostylus axostyle, and two sets of stirring fan blades all rotate with the cartridge filter through rotating the axostylus axostyle and be connected, are equipped with the filter on the rotation axostylus axostyle, and the filter is located stirring fan blade top to filter and cartridge filter fixed connection, this device is powered by the motor, stirs the coolant liquid through stirring fan blade, prevents that impurity from blockking up the filter, simultaneously through the impurity collecting vat, will subside the impurity after collect and discharge, guaranteed the rationality of structure.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic view of the rotating view structure shown in fig. 1.

Fig. 3 is a schematic structural view of the heat dissipation fan and the mounting frame of the present invention.

Fig. 4 is a schematic diagram of the structure of the present invention showing the mounting rack and the slot separated from each other.

Fig. 5 is a schematic structural view of the butt joint pipe and the insertion head of the present invention in a separated state.

Fig. 6 is a schematic structural diagram of the filtering mechanism of the present invention.

Fig. 7 is a schematic structural diagram of the filter mechanism in an explosive state.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. a collection canister; 3. a heat radiation fan; 301. a heat dissipation fan blade; 302. a slot; 4. a mounting frame; 401. a support frame; 402. a damping spring; 403. a U-shaped jacket clamp; 404. connecting blocks; 5. a fin box; 6. a condenser tube; 7. a connecting assembly; 701. butt-joint pipes; 702. an insertion head; 70201. locking the sleeve; 70202. an insertion tube; 70203. a threaded pipe; 70204. an elastic clip; 703. a groove is embedded; 704. a fixing ring; 8. an air inlet pipe; 9. a filtering mechanism; 901. a filter cartridge; 902. a stirring mechanism; 90201. a motor; 90202. rotating the shaft lever; 90203. a stirring fan blade; 90204. a filter plate; 903. an impurity collecting tank; 904. an introducing pipe; 10. a water outlet pipe; 11. a fixed mount; 12. a circulation pipe.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the utility model provides a degreasing and dewaxing condenser of a powder injection molding sintering furnace, which comprises a base 1, wherein the right side of the top end of the base 1 is provided with a collecting cylinder 2, and the collecting cylinder 2 is fixedly connected with the base 1 through bolts; the rear end of the collecting cylinder 2 is provided with a circulating pipe 12; a fixed frame 11 is fixedly arranged at the front end of the collecting cylinder 2; the fixed frame 11 is provided with a filtering mechanism 9; the filtering mechanism 9 comprises a filter cartridge 901, a stirring mechanism 902, an impurity collecting tank 903 and a lead-in pipe 904, wherein the main body of the filter cartridge 901 is of a cylindrical cavity structure, the filter cartridge 901 is communicated with the collecting tank 2 through the lead-in pipe 904, the stirring mechanism 902 is arranged on the filter cartridge 901, the impurity collecting tank 903 is arranged at the bottom end of the filter cartridge 901, the impurity collecting tank 903 is of a conical cavity structure, and a drain outlet is arranged at the bottom end of the impurity collecting tank 903; the left side of the top end of the base 1 is provided with a fin box 5, and the fin box 5 is fixedly connected with the base 1 through a bolt; a condensing pipe 6 is arranged in the fin box 5; one end of the condensation pipe 6 is connected with the connecting component 7 through an air inlet pipe 8; the connecting assembly 7 comprises a butt joint pipe 701, an insertion head 702, an embedded groove 703 and a fixing ring 704, one end of the butt joint pipe 701 is communicated with the air inlet pipe 8, the insertion head 702 is arranged at the other end of the butt joint pipe 701, the embedded groove 703 is formed in the end part of the joint of the butt joint pipe 701 and the insertion head 702, the embedded groove 703 is of an annular structure, the fixing ring 704 is sleeved on the butt joint pipe 701, and the fixing ring 704 is fixedly connected with the butt joint pipe 701 through a bolt; the other end of the condenser pipe 6 is connected with a filtering mechanism 9 through a water outlet pipe 10; the top end of the base 1 is provided with a heat radiation fan 3, the heat radiation fan 3 is arranged on the right side of the fin box 5, and the heat radiation fan 3 is fixedly connected with the base 1 through a mounting frame 4; the heat dissipation fan 3 comprises heat dissipation fan blades 301 and slots 302, the heat dissipation fan blades 301 are arranged at the left end of the heat dissipation fan 3, the heat dissipation fan blades 301 are rotatably connected with the heat dissipation fan 3 through a rotating shaft, the two slots 302 are arranged at the bottom end of the heat dissipation fan 3, and the two slots 302 are symmetrically distributed.

Wherein, mounting bracket 4 includes support frame 401, damping spring 402, U type cover presss from both sides 403 and connecting block 404, mounting bracket 4 is V type structure, two U type cover presss from both sides 403 through bolt and connecting block 404 fixed connection, and the connecting block 404 bottom is connected with support frame 401 through the inserted bar, and the cover is equipped with damping spring 402 on the inserted bar, utilize two U type cover to press from both sides 403 and slot 302 looks joint, and lock through locking bolt, it is more firm to make

radiator fan

3 and 4 connection structure of mounting bracket, damping spring 402 has been set up between mounting bracket 4 and the support frame 401 simultaneously, thereby guarantee that radiator fan 3 can last steady operation.

Wherein, the inserting head 702 also comprises a locking sleeve 70201, an inserting pipe 70202, a threaded pipe 70203 and an elastic clip 70204, the inserting pipe 70202 is sleeved with the locking sleeve 70201, the locking sleeve 70201 is rotatably connected with the inserting pipe 70202 through a bearing sleeve, one end of the locking sleeve 70201 is provided with a threaded pipe 70203, the end of the threaded pipe 70203 is provided with three elastic clips 70204, the elastic clips 70204 are arc-shaped structures, and the three elastic clips 70204 are distributed in an annular array mode, when the inserting head 702 is connected with the butt pipe 701, the elastic clips 70204 are slidably inserted into the embedded groove 703, and the locking sleeve 70201 is fixedly connected with the butt pipe 701 through the threaded pipe 70203, therefore, the connecting structure of the inserting head 702 and the butt pipe 701 is simple, the installation and the disassembly of 8 and the sintering furnace are convenient, the elastic clips 70204 are positioned in the embedded groove 703, and the expansion and the rupture of the heated pipe wall can be effectively prevented by the buffer action of the elastic clips 70204 and the fixing ring 704, causing the insertion head 702 to be removed from within the interface tube 701.

Wherein, the stirring mechanism 902 further comprises a motor 90201, a rotating shaft 90202, stirring fan blades 90203 and a filter plate 90204, the motor 90201 is fixedly connected with the fixing frame 11 through bolts, the rotating shaft 90202 is fixedly installed at the bottom end of the rotating shaft of the motor 90201, the rotating shaft 90202 penetrates through the filter cartridge 901, the rotating shaft 90202 is rotatably connected with the filter cartridge 901 through a bearing, two groups of stirring blades 90203 are arranged on the rotating shaft 90202, and the two groups of stirring fan blades 90203 are rotatably connected with the filter cartridge 901 through a rotating shaft lever 90202, a filter plate 90204 is arranged on the rotating shaft lever 90202, the filter plate 90204 is positioned above the stirring fan blades 90203, and the filter plate 90204 is fixedly connected with the filter cylinder 901, the device is powered by the motor 90201, the cooling liquid is stirred by the stirring fan blades 90203, so that the filter plates 90204 are prevented from being blocked by impurities, meanwhile, the settled impurities are collected and discharged through the impurity collecting tank 903, and the reasonability of the structure is guaranteed.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the mounting frame 4 is of a V-shaped structure, the two U-shaped clamps 403 are fixedly connected with the connecting block 404 through bolts, the bottom end of the connecting block 404 is connected with the support frame 401 through the inserted bar, and the inserted bar is sleeved with the damping spring 402, the two U-shaped clamps 403 are clamped with the slot 302 and locked through the locking bolt, so that the connecting structure of the heat radiation fan 3 and the mounting frame 4 is firmer, and the damping spring 402 is arranged between the mounting frame 4 and the support frame 401, thereby ensuring the continuous and stable operation of the heat radiation fan 3;

the locking sleeve 70201 is sleeved on the insertion tube 70202, the locking sleeve 70201 is rotatably connected with the insertion tube 70202 through a bearing sleeve, one end of the locking sleeve 70201 is provided with a threaded tube 70203, the end of the threaded tube 70203 is provided with three elastic clamping pieces 70204, the elastic clamping pieces 70204 are of an arc structure, the three elastic clamping pieces 70204 are distributed in an annular array mode, when the insertion head 702 is connected with the butt-joint tube 701, the elastic clamping pieces 70204 are slidably inserted into the embedded groove 703, and the locking sleeve 70201 is fixedly connected with the butt-joint tube 701 through the threaded tube 70203, so that the connection structure of the insertion head 702 and the butt-joint tube 701 is simple, the air inlet tube 8 and the sintering furnace can be conveniently mounted and dismounted, meanwhile, the elastic clamping pieces 70204 are positioned in the embedded groove 703, and the tube wall can be effectively prevented from being heated, expanded and broken by utilizing the buffering action of the elastic clamping pieces 70204 and the fixing ring 704, and the insertion head 702 can be separated from the butt-joint tube 701;

in addition, be equipped with two sets of stirring fan blades 90203 on the rotation axostylus axostyle 90202, and two sets of stirring fan blades 90203 all rotate with cartridge filter 901 through rotating axostylus axostyle 90202 and be connected, be equipped with filter 90204 on the rotation axostylus axostyle 90202, and filter 90204 is located stirring fan blades 90203 top, and filter 90204 and cartridge filter 901 fixed connection, this device is provided power by motor 90201, stir the coolant liquid through stirring fan blades 90203, prevent that impurity from blockking up filter 90204, simultaneously through impurity collecting vat 903, collect and discharge the impurity after will subsiding, the rationality of structure has been guaranteed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A degreasing and dewaxing condenser of a powder injection molding sintering furnace is characterized in that: the device comprises a base (1), wherein a collecting cylinder (2) is arranged on the right side of the top end of the base (1), and the collecting cylinder (2) is fixedly connected with the base (1) through a bolt; the rear end of the collecting cylinder (2) is provided with a circulating pipe (12); a fixed frame (11) is fixedly arranged at the front end of the collecting cylinder (2); the fixed frame (11) is provided with a filtering mechanism (9); the left side of the top end of the base (1) is provided with a fin box (5), and the fin box (5) is fixedly connected with the base (1) through a bolt; a condensing pipe (6) is arranged in the fin box (5); one end of the condensation pipe (6) is connected with the connecting component (7) through an air inlet pipe (8); the other end of the condensation pipe (6) is connected with a filtering mechanism (9) through a water outlet pipe (10); the radiating fan is characterized in that a radiating fan (3) is arranged at the top end of the base (1), the radiating fan (3) is arranged on the right side of the fin box (5), and the radiating fan (3) is fixedly connected with the base (1) through a mounting frame (4).

2. The degreasing and dewaxing condenser for a powder injection molding sintering furnace according to claim 1, wherein: the heat dissipation fan (3) comprises heat dissipation fan blades (301) and slots (302), the left end of the heat dissipation fan (3) is provided with the heat dissipation fan blades (301), the heat dissipation fan blades (301) are rotatably connected with the heat dissipation fan (3) through a rotating shaft, the bottom end of the heat dissipation fan (3) is provided with the two slots (302), and the two slots (302) are distributed in a symmetrical mode.

3. The degreasing and dewaxing condenser for a powder injection molding sintering furnace according to claim 1, wherein: mounting bracket (4) include support frame (401), damping spring (402), U type collet (403) and connecting block (404), mounting bracket (4) are V type structure, and mounting bracket (4) are connected with slot (302) through two U type collets (403) to through locking bolt locking, two U type collet (403) are through bolt and connecting block (404) fixed connection, and connecting block (404) bottom is connected with support frame (401) through the inserted bar, and the cover is equipped with damping spring (402) on the inserted bar.

4. The degreasing and dewaxing condenser for a powder injection molding sintering furnace according to claim 1, wherein: coupling assembling (7) are including butt joint pipe (701), insert head (702), embedded groove (703) and solid fixed ring (704), butt joint pipe (701) one end communicates with each other with intake pipe (8), and is equipped with insert head (702) to butt joint pipe (701) other end, embedded groove (703) have been seted up with insert head (702) junction tip to butt joint pipe (701), and embedded groove (703) are the loop configuration, the cover is equipped with solid fixed ring (704) on butt joint pipe (701), and solid fixed ring (704) pass through bolt and butt joint pipe (701) fixed connection.

5. The condenser for degreasing and dewaxing of a sintering furnace for powder injection molding according to claim 4, wherein: insert head (702) still include locking sleeve pipe (70201), insert tube (70202), screwed pipe (70203) and elasticity clamping piece (70204), the cover is equipped with locking sleeve pipe (70201) on insert tube (70202), and locking sleeve pipe (70201) passes through the bearing housing and insert tube (70202) rotation connection, locking sleeve pipe (70201) one end is equipped with screwed pipe (70203), and screwed pipe (70203) tip is equipped with three elasticity clamping pieces (70204), elasticity clamping piece (70204) are the arc structure, and three elasticity clamping pieces (70204) are the annular array mode and distribute, work as when insert head (702) is connected state with butt joint pipe (701), elasticity clamping piece (70204) slip inserts in embedded groove (703) to locking sleeve pipe (70201) passes through screwed pipe (70203) and butt joint pipe (701) fixed connection.

6. The degreasing and dewaxing condenser for a powder injection molding sintering furnace according to claim 1, wherein: the filter mechanism (9) comprises a filter cylinder (901), a stirring mechanism (902), an impurity collecting tank (903) and a lead-in pipe (904), wherein the main body of the filter cylinder (901) is of a cylindrical cavity structure, the filter cylinder (901) is communicated with the collecting cylinder (2) through the lead-in pipe (904), the stirring mechanism (902) is arranged on the filter cylinder (901), the impurity collecting tank (903) is arranged at the bottom end of the filter cylinder (901), the impurity collecting tank (903) is of a conical cavity structure, and a drain outlet is formed in the bottom end of the impurity collecting tank (903).

7. The degreasing and dewaxing condenser for a powder injection molding sintering furnace according to claim 6, wherein: the stirring mechanism (902) further comprises a motor (90201), a rotating shaft rod (90202), stirring fan blades (90203) and a filter plate (90204), the motor (90201) is fixedly connected with the fixing frame (11) through bolts, the rotating shaft rod (90202) is fixedly mounted at the bottom end of a rotating shaft of the motor (90201), the rotating shaft rod (90202) penetrates through the filter cartridge (901), the rotating shaft rod (90202) is rotatably connected with the filter cartridge (901) through a bearing, two groups of stirring fan blades (90203) are arranged on the rotating shaft rod (90202), the two groups of stirring fan blades (90203) are rotatably connected with the filter cartridge (901) through the rotating shaft rod (90202), the rotating shaft rod (90202) is provided with the filter plate (90204), the filter plate (90204) is located above the stirring fan blades (90203), and the filter plate (90204) is fixedly connected with the filter cartridge (901).