A pouring device for rigidly reinforcing a bearing seat of a combustion engine

Abstract

A kind of for the rigidity of engine bearing seat to enhance pouring device, the pouring device for the rigidity of engine bearing seat includes positioning seat, pouring mechanism, bearing piece and sealing cavity, the left side of the positioning seat is connected with the right side of mounting plate, the top of mounting plate is equipped with pouring mechanism, the top of pouring mechanism is provided with material pipeline, pouring mechanism is provided with conveying pipeline being communicated with pouring mechanism, the top of pouring mechanism is opened in the right side of material pipeline and is equipped with storage box, pressure piston is arranged in storage box;Pouring mechanism is provided with injection pipeline in the right side of storage box, storage box is communicated with one end of injection pipeline, the material pipeline, conveying pipeline, storage box and injection pipeline are sequentially communicated between them.The rigidity of bearing seat inside is insufficient space pouring low melting point alloy, increase overall rigidity, subsequent machining of bearing mating surface is carried out by the process method of turning, can be completed within two hours, and efficiency is high.

Description

TECHNICAL FIELD

[0001] The application relates to an improved bearing seat rigidity enhancement technology and belongs to the bearing processing field, in particular to a rigidity enhancement pouring device for a gas turbine bearing seat. BACKGROUND

[0002] The bearing seat is one of main parts of a gas turbine, the structure of the bearing seat is a rotary body with flanges at two ends, and the middle part is distributed with radial grooves, the bearing seat has the characteristics of thin wall thickness, poor rigidity and high machining precision, for the surface matched with the bearing, the precision needs to be ensured to be within the runout range of 0.01 mm and the cylindricity of 0.02 mm, the roughness is Ra 0.8, in the prior art, due to the poor rigidity of the bearing seat, the cutting vibration is too large, only the grinding process can be used for machining, however, the grinding efficiency is extremely low, and the production period of batch production is greatly affected.

[0003] A bearing seat and an electric spindle are disclosed in Chinese patent application No. CN202010885738.6 with the application date of August 28, 2020, the bearing seat is installed on the electric spindle, the bearing seat can simultaneously cooperate with two bearings, the bearing seat is provided with a first oil inlet oil way, a second oil inlet oil way, an oil return oil way and a cooling flow channel, the first oil inlet oil way is communicated to the first bearing mounting position of the bearing seat, the second oil inlet oil way is communicated to the second bearing mounting position of the bearing seat, the oil return oil way is respectively communicated to the first bearing mounting position and the second bearing mounting position, the bearing seat is designed with independent lubrication flow channels for the first bearing mounting position and the second bearing mounting position respectively, the lubrication parameters of the two bearings are ensured to be accurate, the heat generated in the working process of the bearings is effectively reduced, and the service life of the bearings is improved, the cooling flow channel includes a first flow channel located in the bearing seat and a second flow channel provided on the outer circumferential side of the bearing seat, the first flow channel is communicated with the second flow channel, after the electric spindle is installed with the bearing seat in the scheme, the structural member used for forming the cooling flow channel can be cancelled, the outer diameter size of the front end of the electric spindle is reduced, however, the problem of poor rigidity of the bearing seat is not solved in the comparative file.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the general background of the patent application, and should not be taken as recognition or any form of suggestion that this information forms prior art that is known to those of ordinary skill in the art. SUMMARY

[0005] The purpose of the application is to overcome the problem of poor rigidity of the bearing seat in the prior art, and a rigidity enhancement pouring device for a gas turbine bearing seat is provided.

[0006] In order to achieve the above object, the technical solution of the present application is: a kind of for rigidity enhancement pouring device of gas turbine bearing seat, the pouring device for rigidity enhancement of gas turbine bearing seat includes locating seat, pouring mechanism, bearing and sealing cavity, the left side of the locating seat is connected with the right side of mounting plate, the top of mounting plate is equipped with pouring mechanism, the top of pouring mechanism is provided with material pipeline, pouring mechanism is provided with conveying pipeline communicated with pouring mechanism, storage box is opened in the right side of material pipeline at the top of pouring mechanism, pressure piston is arranged in storage box;

[0007] the right side of pouring mechanism located storage box is provided with injection pipeline, one end of storage box and injection pipeline is communicated;

[0008] the material pipeline, conveying pipeline, storage box and injection pipeline are sequentially communicated;

[0009] the other end of injection pipeline is communicated with sealing cavity, bearing is arranged in sealing cavity, bearing is arranged in locating seat, and plastic sealing paper is arranged in bearing.

[0010] the bottom of mounting plate is provided with air slot, bolt is arranged in air slot, and one end of bolt is sequentially threaded through mounting plate and pouring mechanism and is fixed.

[0011] the side of piston end of pressure piston is provided with a circle of sealing ring, and the connecting end of injection pipeline and storage box is provided with fastener.

[0012] The locating seat includes locating frame, lower side wall and upper side wall, the side of the bottom of the locating frame is connected with the inner side of the lower side wall, the side of the top of the locating frame is connected with the inner side of the upper side wall, and the side of the upper side wall is connected with the right end of the mounting plate.

[0013] The top of the upper side wall is inserted with a pressing plate on the left and right sides, the bottom of the upper side wall is threadedly connected with a fixing bolt, and one end of the fixing bolt penetrates the upper side wall and is threadedly connected with the pressing plate.

[0014] The pressing plate includes a vertical plate and a side plate, the side of the vertical plate is connected with the side of the side plate, and the bottom of the side plate abuts against the top of the bearing.

[0015] The top of the vertical plate is provided with a threaded hole, and the fixing bolt is threadedly connected with the threaded hole.

[0016] The side of the fixing bolt is provided with a nut below the mounting plate, and a gasket is arranged between the nut and the mounting plate.

[0017] The top of the upper side wall is inserted with a positioning pin below the side plate.

[0018] The top of the upper side wall is provided with a clamping groove corresponding to the vertical plate, and the vertical plate is inserted into the clamping groove.

[0019] The top of the lower side plate is provided with installation ports on the left and right sides.

[0020] The bearing piece comprises a bottom frame, a middle frame and an upper frame, the top of the bottom frame is connected with the bottom of the upper frame, the inner wall of the upper frame is connected with the side wall of the middle frame through a plug at the lower end, and the middle frame comprises a side frame, a hollow ring and a connecting ring.

[0021] The upper frame and the middle frame form an injection area, and the injection area is provided with a plastic sealing paper.

[0022] The middle frame comprises a side frame, a hollow ring and a connecting ring, the bottom of the side frame is connected with the top of the connecting ring, the inner ring of the connecting ring is connected with the side wall of the hollow ring, the side wall of the connecting ring is connected with the plug, and the connecting surface of the connecting ring and the plug is an inclined surface.

[0023] An arc segment is arranged at the connecting position of the connecting ring and the side frame, and an annular groove is arranged at the upper end of the inner wall of the side frame.

[0024] An annular cover is arranged at the top of the inner wall of the side frame, and the height of the injection area is below the annular cover.

[0025] A connecting end is arranged at the top of the side wall of the upper frame, and the bottom of the connecting end is connected with the positioning seat through a positioning pin.

[0026] The side wall of the bottom frame is sequentially provided with an annular groove, a double annular groove and a triple annular groove from bottom to top.

[0027] The width of the double annular groove is greater than the width of the annular groove and the triple annular groove.

[0028] Compared with the prior art, the beneficial effects of the present application are:

[0029] 1. In the rigid reinforcing pouring device for the bearing seat of the gas turbine, the top of the mounting plate is provided with a pouring mechanism, the top of the pouring mechanism is provided with a material pipeline, the pouring mechanism is provided with a conveying pipeline in communication with the pouring mechanism, a storage box is arranged at the right side of the material pipeline at the top of the pouring mechanism, and a pressure piston is arranged in the storage box; an injection pipeline is arranged at the right side of the storage box on the pouring mechanism, the storage box is in communication with one end of the injection pipeline, low-melting-point alloy is poured in the insufficient rigidity space in the bearing seat, the overall rigidity is increased, the bearing matching surface is processed through the subsequent turning process, and the processing can be completed within two hours, so that the bearing rigidity is high and the processing efficiency is high.

[0030] 2, In a kind of rigid enhancement pouring device for bearing seat of combustion engine in the application, positioning seat includes positioning frame, lower side wall and upper side wall, the side wall of the bottom of positioning frame is connected with the inner wall of lower side wall, the side wall of the top of positioning frame is connected with the inner wall of upper side wall, the side of upper side wall is connected with the right end of mounting plate;Upper side wall's top left and right sides are inserted with pressing plate, and the bottom of upper side wall is threadedly connected with fixed bolt, and one end of fixed bolt is connected with pressing plate and is threadedly connected with pressing plate;Pressing plate includes vertical plate and side plate, the side of vertical plate is connected with the side of side plate, the bottom of side plate is abutted with the top of bearing piece, and bearing piece is fixed in positioning frame by the side plate of pressing plate in the way of edge fixation, and vertical plate is fixed on mounting plate by fixed bolt, and the two are connected by screw thread, and disassembly is more convenient after installation is completed.Therefore, the design is convenient to disassemble, and installation is stable.

[0031] 3, In a kind of rigid enhancement pouring device for bearing seat of combustion engine in the application, the other end of injection pipeline is communicated with sealing cavity, bearing piece is arranged in sealing cavity, bearing piece is arranged in positioning seat, plastic sealing paper is arranged in bearing piece, low melting point metal and bearing seat are isolated, direct contact is avoided, metal material dialysis is generated, in the pouring process, the heat retained by low melting point metal is absorbed by water in pipeline according to heat transfer principle, is quickly taken out pouring area, flows back to water tank, to ensure that the temperature of inner wall of workpiece in pouring area is relatively stable.Therefore, the design is safe, and temperature is stable. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the structural schematic diagram of the application.

[0033] Figure 2 It is the structural schematic diagram of positioning seat in the application.

[0034] Figure 3 It is the structural schematic diagram of mounting plate in the application.

[0035] Figure 4 It is the structural schematic diagram of bearing piece in the application.

[0036] Figure 5 It is the structural schematic diagram of pressing plate in the application.

[0037] Figure 6 It is the structural schematic diagram of bottom frame in the application.

[0038] In the figure: positioning seat 1, positioning frame 11, lower side plate 12, upper side plate 121, mounting port 13, pressing plate 14, vertical plate 141, side plate 142, threaded hole 143, fixing bolt 15, nut 16, washer 17, positioning pin 18, clamping groove 19, mounting plate 2, empty groove 21, bolt 22, pouring mechanism 3, material pipeline 4, conveying pipeline 5, pressure piston 6, piston end 61, sealing ring 62, storage box 7, injection pipeline 8, fastener 81, bearing 9, bottom frame 91, one annular groove 911, two annular grooves 912, three annular grooves 913, middle frame 92, side frame 921, connecting ring 922, hollow ring 923, one arc segment 924, annular groove 925, annular cover 93, upper frame 94, connecting end 95, injection area 96, plastic sealing paper 97, plug 98, sealing cavity 20. DETAILED DESCRIPTION

[0039] The application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] Reference Figures 1 to 6 A pouring device for rigidly reinforcing a bearing seat of a combustion engine, comprising a positioning seat 1, a pouring mechanism 3, a bearing 9 and a sealing cavity 20, the left side of the positioning seat 1 is connected with the right side of a mounting plate 2, the top of the mounting plate 2 is provided with the pouring mechanism 3, the top of the pouring mechanism 3 is provided with a material pipeline 4, the pouring mechanism 3 is provided with a conveying pipeline 5 in communication with the pouring mechanism 3, a storage box 7 is formed in the right side of the pouring mechanism 3, and the storage box 7 is provided with a pressure piston 6.

[0041] The right side of the pouring mechanism 3 is provided with an injection pipeline 8 in communication with the storage box 7.

[0042] The material pipeline 4, the conveying pipeline 5, the storage box 7 and the injection pipeline 8 are sequentially communicated.

[0043] The other end of the injection pipeline 8 is in communication with the sealing cavity 20, the sealing cavity 20 is provided with the bearing 9, the bearing 9 is arranged in the positioning seat 1, and the bearing 9 is provided with plastic sealing paper 97.

[0044] The bottom of the mounting plate 2 is provided with an empty groove 21, the empty groove 21 is provided with a bolt 22, and one end of the bolt 22 penetrates the mounting plate 2 and the pouring mechanism 3 in sequence and is fixed.

[0045] The side wall of the piston end 61 of the pressure piston 6 is provided with a sealing ring 62, and the connecting end of the injection pipeline 8 and the storage box 7 is provided with a fastener 81.

[0046] The positioning seat 1 comprises a positioning frame 11, a lower side plate 12 and an upper side plate 121, the side of the bottom of the positioning frame 11 is connected with the inner side of the lower side plate 12, the side of the top of the positioning frame 11 is connected with the inner side of the upper side plate 121, and the side of the upper side plate 121 is connected with the right end of the mounting plate 2;

[0047] The upper side plate 121 is provided with a pressing plate 14 on the left and right sides of the top thereof, and the bottom of the upper side plate 121 is provided with a fixing bolt 15 in a threaded manner, one end of the fixing bolt 15 penetrating through the upper side plate 121 is provided in a threaded manner with the pressing plate 14.

[0048] The pressing plate 14 comprises a vertical plate 141 and a side plate 142, the side of the vertical plate 141 is connected with the side of the side plate 142, and the bottom of the side plate 142 is abutted with the top of the bearing 9;

[0049] The top of the vertical plate 141 is provided with a threaded hole 143, and the fixing bolt 15 is provided in a threaded manner with the threaded hole 143.

[0050] The side of the fixing bolt 15 is provided below the mounting plate 2 with a nut 16, and the nut 16 is provided between the mounting plate 2 and the bearing 9 with a gasket 17;

[0051] The top of the upper side plate 121 is provided below the side plate 142 with a positioning pin 18;

[0052] The top of the upper side plate 121 is provided with a clamping groove 19 corresponding to the vertical plate 141, and the vertical plate 141 is inserted into the clamping groove 19;

[0053] The top of the lower side plate 12 is provided on the left and right sides thereof with a mounting hole 13.

[0054] The bearing 9 comprises a bottom frame 91, a middle frame 92 and an upper frame 94, the top of the bottom frame 91 is connected with the bottom of the upper frame 94, and the inner wall of the lower end of the upper frame 94 is connected with the side of the middle frame 92 through a plug 98;

[0055] An injection area 96 is formed between the upper frame 94 and the middle frame 92, and the injection area 96 is provided with a plastic sealing paper 97.

[0056] The middle frame 92 comprises a side frame 921, a hollow ring 923 and a connecting ring 922, the bottom of the side frame 921 is connected with the top of the connecting ring 922, the inner ring of the connecting ring 922 is connected with the side of the hollow ring 923, the side of the connecting ring 922 is connected with the plug 98, and the connecting surface of the connecting ring 922 and the plug 98 is an inclined surface.

[0057] An arc segment 924 is arranged at the connecting position of the connecting ring 922 and the side frame 921, and the inner side of the upper end of the side frame 921 is provided with an annular groove 925;

[0058] The inner surrounding top of the side frame 921 is provided with an annular cover 93, and the height of the pouring area 96 is below the annular cover 93.

[0059] The top of the side surrounding of the upper frame 94 is provided with a connecting end 95, and the bottom of the connecting end 95 is connected with the positioning seat 1 through a positioning pin 18.

[0060] The side of the bottom frame 91 is sequentially provided with an annular groove 911, a double annular groove 912 and a triple annular groove 913 from bottom to top.

[0061] The width of the double annular groove 912 is greater than the width of the annular groove 911 and the triple annular groove 913.

[0062] The principle of the present application is as follows:

[0063] Firstly, the pouring position in the pouring area 96 is wrapped with plastic sealing paper 97 in advance, and then the bearing part 9 is fixed through the fixing bolt 15. The pouring mechanism 3 is placed above the mounting plate 2, and then the low-melting-point alloy is heated and poured into the material pipeline 4. After the low-melting-point metal flows into the storage tank 7 below the pressure piston 6 through the conveying pipeline 5, the material pipeline 4 is blocked, and the low-melting-point metal is poured into the pouring area 96 between the middle frame 92 and the upper frame 94 through the pouring pipeline 8 by using the pressure piston 6. After natural cooling, the low-melting-point alloy metal solidifies and completely adheres to the bearing part 9, thereby enhancing the rigidity of the bearing part 9 and preventing the bearing part 9 from vibrating greatly when subjected to cutting force.

[0064] Embodiment 1:

[0065] A pouring device for rigidly enhancing a bearing seat of a combustion engine, which comprises a positioning seat 1, a pouring mechanism 3, a bearing part 9 and a sealing cavity 20. The left side of the positioning seat 1 is connected with the right side of the mounting plate 2, and the top of the mounting plate 2 is provided with the pouring mechanism 3. The top of the pouring mechanism 3 is provided with a material pipeline 4, and the pouring mechanism 3 is provided with a conveying pipeline 5 in communication with the pouring mechanism 3. The top of the pouring mechanism 3 is provided with a storage tank 7 on the right side of the material pipeline 4, and the storage tank 7 is provided with a pressure piston 6. The pouring mechanism 3 is provided with a pouring pipeline 8 on the right side of the storage tank 7, and the storage tank 7 is in communication with one end of the pouring pipeline 8. The material pipeline 4, the conveying pipeline 5, the storage tank 7 and the pouring pipeline 8 are sequentially communicated. The other end of the pouring pipeline 8 is in communication with the sealing cavity 20, and the sealing cavity 20 is provided with the bearing part 9. The bearing part 9 is arranged in the positioning seat 1, and the bearing part 9 is provided with the plastic sealing paper 97.

[0066] Application: First, the pouring position in the bearing part 9 in advance using plastic paper 97 wrapped, then the bearing part 9 is fixed, the pouring mechanism 3 is placed above the mounting plate 2, then the low melting point alloy is heated into the material pipe 4, through the delivery pipe 5 into the storage tank 7 below the pressure piston 6, then the material pipe 4 is blocked, the low melting point metal is poured into the pouring position in the bearing part 9 through the injection pipe 8 by using the pressure piston 6, and after natural cooling, the low melting point alloy metal solidifies and completely adheres to the bearing part 9, strengthening the rigidity of the bearing part 9.

[0067] Example 2:

[0068] Example 2 is basically the same as example 1, the difference is that:

[0069] A pouring device for rigidly reinforcing the bearing seat of a combustion engine, the bottom of the mounting plate 2 is provided with a hollow slot 21, and a bolt 22 is arranged in the hollow slot 21, one end of the bolt 22 penetrates the mounting plate 2 and the pouring mechanism 3 in sequence for fixation; a sealing ring 62 is arranged on the side of the piston end 61 of the pressure piston 6, and a fastener 81 is arranged at the connection end of the injection pipe 8 and the storage tank 7.

[0070] Application: The mounting plate 2 is attached to the back of the flange of the bearing part 9 for supporting the bearing part 9, the threaded holes 143 distributed on the mounting plate 2 are fastened by the fixing bolts 15 and the pressure plates 14, and the positioning pins 18 distributed on both sides of the mounting plate 2 can prevent the parts from moving, the injection pipe 8 is composed of a heat-resistant fiber pipe, a connecting pipe interface and a water jet port, and the connecting pipe interface is connected to the corresponding interface of the bearing part 9 through the fastener 81.

[0071] Example 3:

[0072] Example 3 is basically the same as example 1, the difference is that:

[0073] The utility model provides a kind of rigid enhancement pouring device for combustion engine bearing seat, the positioning seat 1 includes positioning frame 11, lower side wall 12 and upper side wall 121, the side wall of the bottom of positioning frame 11 is connected with the inner wall of lower side wall 12, the side wall of the top of positioning frame 11 is connected with the inner wall of upper side wall 121, the side of upper side wall 121 is connected with the right end of mounting plate 2;The left and right sides of the top of the upper side wall 121 are inserted with pressing plate 14, and the bottom of the upper side wall 121 is threadedly connected with fixed bolt 15, one end of fixed bolt 15 penetrates the upper side wall 121 and is threadedly connected with pressing plate 14;The pressing plate 14 includes vertical plate 141 and side plate 142, the side of vertical plate 141 is connected with the side of side plate 142, and the bottom of side plate 142 is in contact with the top of bearing 9;Threaded hole 143 is formed in the top of vertical plate 141, and fixed bolt 15 is threadedly connected with threaded hole 143;The side wall of fixed bolt 15 is provided with nut 16 below mounting plate 2, and washer 17 is arranged between nut 16 and mounting plate 2;Positioning pin 18 is inserted into the top of upper side wall 121 below side plate 142;Clamping groove 19 is formed in the top of upper side wall 121 corresponding to vertical plate 141, and vertical plate 141 is inserted into clamping groove 19;Mounting hole 13 is formed in the top of lower side wall 12 left and right sides.

[0074] When applying: the bearing 9 is fixed in the positioning frame 11 in the edge fixed manner through the side plate 142 on the pressing plate 14, and the vertical plate 141 is fixed on the mounting plate 2 through the fixed bolt 15, and the two are connected in the threaded connection mode, so that disassembly is more convenient after installation.

[0075] Example 4:

[0076] Example 4 is basically same as example 1, and the difference is that:

[0077] The bearing piece 9 comprises a bottom frame 91, a middle frame 92 and an upper frame 94, the top of the bottom frame 91 is connected with the bottom of the upper frame 94, the inner wall lower end of the upper frame 94 is connected with the side wall of the middle frame 92 through a plug 98, an injection area 96 is formed between the upper frame 94 and the middle frame 92, and the injection area 96 is provided with a plastic sealing paper 97; the middle frame 92 comprises a side frame 921, a hollow ring 923 and a connecting ring 922, the bottom of the side frame 921 is connected with the top of the connecting ring 922, the inner ring of the connecting ring 922 is connected with the side wall of the hollow ring 923, the side wall of the connecting ring 922 is connected with the plug 98, and the connecting surface of the connecting ring 922 and the plug 98 is an inclined surface; an arc segment 924 is arranged at the connecting position of the connecting ring 922 and the side frame 921, and the inner wall upper end of the side frame 921 is provided with an annular groove 925; the inner wall top of the side frame 921 is provided with an annular cover 93, and the height of the injection area 96 is below the annular cover 93; the top of the side wall of the upper frame 94 is provided with a connecting end 95, and the bottom of the connecting end 95 is connected with the positioning seat 1 through a positioning pin 18; the side of the bottom frame 91 is sequentially provided with a ring groove 911, a double ring groove 912 and a triple ring groove 913 from bottom to top; the width of the double ring groove 912 is greater than the width of the ring groove 911 and the triple ring groove 913, one end of the injection area 96 is connected with a condensation pipeline, and the other end of the condensation pipeline is connected with a water tank.

[0078] When the application is used: in the low melting point metal pouring process, the workpiece is inevitably expanded by heat, which causes the inner hole of the workpiece to be expanded by the inner heat after pouring and condensation, and the actual diameter to be reduced, which causes the inner hole to be expanded by the elastic stress after the pouring metal is removed, the inner hole rebounds, the actual size is greater than the size controlled by processing, and the inner hole does not meet the assembly requirements. The back type condensation pipeline is laid in the injection area 96, the water inlet end and the water outlet end of the pipeline are connected in the water tank, the water inlet end drives the normal temperature water in the water tank to be input into the pipeline at a certain pressure through the water pump, in the pouring process, the heat retained by the low melting point metal is absorbed by the water in the pipeline according to the heat transfer principle, is quickly taken out of the pouring area, and flows back to the water tank, so that the temperature of the inner wall of the workpiece in the pouring area is relatively stable, the deformation of the workpiece caused by thermal expansion is reduced, the low melting point metal and the bearing seat are isolated, direct contact between the two is avoided, and metal material dialysis is avoided. The low melting point alloy will expand after pouring and cooling, and is close to the bearing seat.

[0079] The above only describes the preferred embodiments of the application, and the protection scope of the application is not limited to the above embodiments, and any equivalent modification or change made by the ordinary skilled in the art according to the disclosed content of the application should be included in the protection scope recorded in the claims.

Claims

1. A rigidity reinforcement pouring device for a bearing seat of a combustion engine, characterized in that The rigidity reinforcing pouring device for the bearing seat of the combustion engine comprises a positioning seat (1), a pouring mechanism (3), a bearing seat (9) and a sealing cavity (20), the left side of the positioning seat (1) is connected with the right side of a mounting plate (2), the top of the mounting plate (2) is provided with the pouring mechanism (3), the top of the pouring mechanism (3) is provided with a material pipeline (4), the pouring mechanism (3) is provided with a conveying pipeline (5) in communication with the material pipeline (4), a storage box (7) is arranged on the top of the pouring mechanism (3) and located at the right side of the material pipeline (4), and a pressure piston (6) is arranged in the storage box (7); An injection pipeline (8) is arranged on the right side of the storage box (7) on the pouring mechanism (3), and the storage box (7) is in communication with one end of the injection pipeline (8); The material pipeline (4), the conveying pipeline (5), the storage box (7) and the injection pipeline (8) are sequentially communicated; The other end of the injection pipeline (8) is in communication with the sealing cavity (20), the bearing seat (9) is arranged in the sealing cavity (20), the bearing seat (9) is arranged in the positioning seat (1), and the bearing seat (9) is provided with a plastic sealing paper (97); The bearing seat (9) comprises a bottom frame (91), a middle frame (92) and an upper frame (94), the top of the bottom frame (91) is connected with the bottom of the upper frame (94), and the inner wall lower end of the upper frame (94) is connected with the side wall of the middle frame (92) through a plug (98); An injection area (96) is formed between the upper frame (94) and the middle frame (92), and the plastic sealing paper (97) is arranged in the injection area (96); The middle frame (92) comprises a side frame (921), a hollow ring (923) and a connecting ring (922), the bottom of the side frame (921) is connected with the top of the connecting ring (922), the inner ring of the connecting ring (922) is connected with the side wall of the hollow ring (923), the side wall of the connecting ring (922) is connected with the plug (98), and the connecting surface of the connecting ring (922) and the plug (98) is an inclined surface; An arc segment (924) is arranged at the connecting position of the connecting ring (922) and the side frame (921), and a ring-shaped groove (925) is arranged on the upper end of the inner wall of the side frame (921); A ring-shaped cover (93) is arranged on the top of the inner wall of the side frame (921), and the height of the injection area (96) is below the ring-shaped cover (93); A connecting end (95) is arranged on the top of the side wall of the upper frame (94), and the bottom of the connecting end (95) is connected with the positioning seat (1) through a positioning pin (18); A ring-shaped groove (911), a double ring-shaped groove (912) and a triple ring-shaped groove (913) are sequentially arranged on the side wall of the bottom frame (91) from bottom to top; The width of the double ring-shaped groove (912) is greater than the width of the ring-shaped groove (911) and the triple ring-shaped groove (913); The use method of the rigidity reinforcing pouring device for the bearing seat of the combustion engine is as follows. First, the pouring position in the injection area (96) is wrapped with plastic paper (97) in advance, then the bearing seat (9) is fixed by fixing bolt (15), the pouring mechanism (3) is placed above the mounting plate (2), then the low melting point alloy is heated and put into the material pipeline (4), flows into the storage tank (7) below the pressure piston (6) through the conveying pipeline (5), then the material pipeline (4) is blocked, the low melting point metal is flowed into the injection area (96) position between the middle frame (92) and the upper frame (94) through the injection pipeline (8) by using the pressure piston (6); after natural cooling, the low melting point alloy metal solidifies and completely adheres to the bearing seat (9), the rigidity of the bearing seat (9) is strengthened, so that the bearing seat (9) does not vibrate greatly when subjected to cutting force.

2. The device for rigidly reinforcing the bearing seat of a combustion engine according to claim 1, characterized in that: The bottom of the mounting plate (2) is provided with an air slot (21), and the air slot (21) is provided with a bolt (22), one end of the bolt (22) penetrates the mounting plate (2) and the pouring mechanism (3) in sequence to be fixed.

3. The device for rigidity reinforcement of the bearing seat of a combustion engine according to claim 1, characterized in that: The side of the piston end (61) of the pressure piston (6) is provided with a sealing ring (62), and the connecting end of the injection pipeline (8) and the storage tank (7) is provided with a fastener (81).

4. The device for rigidity reinforcement of bearing seat of combustion engine according to claim 1, characterized in that: The positioning seat (1) comprises a positioning frame (11), a lower side wall (12) and an upper side wall (121), the side of the bottom of the positioning frame (11) is connected with the inner side of the lower side wall (12), the side of the top of the positioning frame (11) is connected with the inner side of the upper side wall (121), and the side of the upper side wall (121) is connected with the right end of the mounting plate (2); The top of the upper side wall (121) is inserted with a pressing plate (14) on the left and right sides, and the bottom of the upper side wall (121) is threadedly connected with a fixing bolt (15), one end of the fixing bolt (15) penetrates the upper side wall (121) and is threadedly connected with the pressing plate (14).

5. The device for rigidly reinforcing the bearing seat of a combustion engine according to claim 4, characterized in that: The pressing plate (14) comprises a vertical plate (141) and a side plate (142), the side of the vertical plate (141) is connected with the side of the side plate (142), and the bottom of the side plate (142) abuts against the top of the bearing seat (9); The top of the vertical plate (141) is provided with a threaded hole (143), and the fixing bolt (15) is threadedly connected with the threaded hole (143).

6. The device for rigidity reinforcement of the bearing seat of a combustion engine according to claim 5, characterized in that: The side of the fixing bolt (15) is provided below the mounting plate (2) with a nut (16), and a gasket (17) is arranged between the nut (16) and the mounting plate (2); The top of the upper side wall (121) is inserted with a positioning pin (18) below the side plate (142); The top of the upper side wall (121) is provided with a clamping groove (19) corresponding to the vertical plate (141), and the vertical plate (141) is inserted into the clamping groove (19); The top of the lower side wall (12) is provided with a mounting hole (13) on the left and right sides.

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