Polishing device for hot strength alloy steel forging circle

Abstract

The invention provides a polishing device for a hot-strength alloy steel forged circle, and belongs to the technical field of forged circle polishing, the polishing device comprises a restraining unit, the restraining unit comprises an assembling piece, a traction unit, bearing units and a restraining module, and polishing units are arranged on the sides, deviating from each other, of the two bearing units and in the middle position of the bearing units; a traction module is arranged on the lower portion of the middle polishing unit and comprises a rod body Z, a threaded connection displacement table and a third motor. The problems that during the polishing action of a forged circle, the forged circle needs to be restrained and limited by a restraining piece and does not move at will, a common restraining piece restrains one side of the forged circle and does not move, so that the restrained and attached portion cannot be polished during polishing, polishing becomes tedious, labor intensity is increased, the quality of the forged circle is generally large, and machining cost is high are solved. And when the forged circle is moved to a polishing device, a large amount of labor force needs to be consumed, and loading of the forged circle is complex.

Description

Technical Field

[0001] The invention belongs to the technical field of forged circle polishing, and in particular relates to a polishing device for a heat-resistant alloy steel forged circle. Background Art

[0002] Heat-resistant alloy steel forgings are widely used in aerospace, energy and chemical industries because of their excellent high temperature strength, oxidation resistance and creep resistance. However, their high hardness and wear resistance make surface treatment, especially polishing, more necessary. Polishing can make the surface of the forging smoother and reduce the roughness, thereby improving its finish and aesthetics. This is especially important for parts that require high-precision processing, because the smooth surface can reduce friction and wear and extend the service life.

[0003] During the polishing process, the forged circle must be restrained by restraints to prevent it from moving randomly. Generally, the restraints are restrained from one side of the forged circle, so that the restrained part cannot be polished during polishing, which makes the polishing complicated and increases the labor intensity. In addition, the mass of the forged circle is generally large. It takes a lot of labor to move the forged circle to the polishing device, which makes the loading of the forged circle more complicated. Therefore, a polishing device for heat-resistant alloy steel forged circles is proposed. Summary of the invention

[0004] The present invention provides a polishing device for a heat-resistant alloy steel forged circle, which aims to solve the problem that a restraining member must be used to restrain the forged circle from moving freely during the polishing action. Generally, the restraining member restrains one side of the forged circle, which makes it impossible to polish the restrained part during the polishing process, making the polishing complicated and increasing the labor intensity. In addition, the mass of the forged circle is generally large, and a large amount of labor must be consumed when moving the forged circle to the polishing device, making the loading of the forged circle more complicated.

[0005] The embodiment of the present invention provides a polishing device for heat-resistant alloy steel forging circle, comprising a constraint unit, the constraint unit comprising an assembly sheet, a traction unit, a supporting unit and a constraint module, the polishing units are installed on the sides of the two supporting units that are away from each other and the central position, the traction module is installed at the lower part of the central polishing unit, the traction module comprises a rod body Z, a threaded displacement platform, and a motor three, the motor three, the rod body Z and the threaded displacement platform are all installed in two and are installed in front and back mirror images, the motor three is installed on the supporting unit, the rotary rod of the motor three is connected to the rod body Z, and the threaded displacement platform is installed on the corresponding rod body Z and is threaded;

[0006] The polishing unit comprises a debris containing shell, a cover sheet, a leakproof cover, a polishing rod, and a spiral beryllium copper wire. The lower part of the debris containing shell is connected to the corresponding wire-connected displacement stage. Two cover sheets are installed and mirror-mounted on the upper part of the debris containing shell. The upper part of the debris containing shell is opened and installed. Two leakproof covers are installed and mirror-mounted in front and back. One end of the leakproof cover extends into the debris containing shell and is hinged to the debris containing shell. Two spiral beryllium copper wires are installed and connected to the corresponding leakproof covers. The polishing rod is installed between the cover sheets, and the polishing rod is driven by a motor C.

[0007] Wings are installed at both ends of the assembly piece, the traction unit is installed at the center of the two wings, a screw is installed at the center of the traction unit, two supporting units are installed, and a linkage piece is installed at the bottom of each supporting unit. The screw passes through the linkage piece at the bottom of each supporting unit in sequence, and an inner recess is reserved at the top of the supporting unit. The two inner recesses support the two sides of the lower part of the forged circle to be polished respectively, an extension seat is installed on one side of each supporting unit, and a constraint module is installed at the end of the extension seat farther from the inner recess, a bending piece is installed at the bottom of the linkage piece, and the bending piece has a fan-shaped structure, and the outer edge area of ​​each bending piece fits with the outer wall of the assembly piece.

[0008] Preferably, the traction unit comprises motor 1 and motor 2, the rotary rod of motor 1 is connected to the linkage rod, a connecting plate 1 is provided at one end of the linkage rod, the other side of the connecting plate 1 is connected to the guide rod, and the rotary rod of motor 2 is connected to the linkage rod.

[0009] Preferably, two guiding rods are installed, and the two guiding rods are mirror-mounted on both sides of the screw rod, one end of the guiding rod is connected to the connecting piece 2, and the linkage rod, the connecting piece 1, the connecting piece 2 and the guiding rod are all connected to form an integral body.

[0010] Preferably, both ends of the screw are provided with slewing bearings 1, and the screw passes through the slewing bearings 1 at both ends respectively from the center positions of the connecting piece 1 and the connecting piece 2, and the motor 1 and the motor 2 are fixedly connected to the outer walls of the two wings by fasteners.

[0011] Preferably, the supporting unit includes a supporting platform and a linkage piece, the linkage piece is fixedly connected to the lower part of the supporting platform, the recessed opening is reserved at the upper part of the supporting platform, a rotatable supporting ball is embedded inside the recessed opening, and one end of the supporting platform is connected to the expansion barrier.

[0012] Preferably, the wall surface of the linkage piece is reserved for a guide tube and a threaded tube, and two guide tubes are installed, each of which is mirror-imaged and installed on both sides of the threaded tube, the guide rod passes through the inside of the guide tube, and the screw passes through the inside of the threaded tube, and the thread threads in the threaded tubes on the two supporting units have different rotation directions.

[0013] Preferably, a sloped platform is installed at one end of the expansion barrier, a buckle opening is reserved on the inner wall of the expansion barrier, a movable sheet is installed inside the buckle opening, a constraint barrier is installed on the upper part of the movable sheet, the lower part of the movable sheet is connected to an elastic telescopic rod, and the lower part of the movable sheet is inserted into the buckle opening.

[0014] Preferably, the constraint module includes a rod body 2 and an insertion tube, a vertical piece is installed at one end of the expansion seat, a wire tube 2 is reserved on the upper part of the vertical piece, a rod body 2 is installed inside the wire tube 2, and a rotating handle is installed at one end of the rod body 2.

[0015] Preferably, the other end of the rod body 2 is provided with a slewing bearing 2, one end of the insertion tube is open, the other end of the insertion tube is provided with a resistance piece, and a sprocket X is provided on the peripheral wall of the insertion tube.

[0016] Preferably, the rod body 2 is clamped into the inside of the plug-in tube via a slewing bearing 2 at one end, the centers of the rod bodies 2 on the two constraint modules are in a straight line, and the sprockets X are connected to the external motor X via a chain.

[0017] The beneficial effects of the present invention are:

[0018] 1. The present invention can rotate the traction unit during loading and unloading of the forged circle through the constraint unit, and then control the supporting unit to rotate to both sides at a certain angle, so that the upper open position of the supporting unit is inclined to the wall of the workbench, so that the forged circle can be rolled into the supporting unit from the bottom. During this period, there is no need to lift the forged circle high, thereby reducing the labor intensity of loading and unloading the forged circle.

[0019] 2. The present invention uses a traction unit to pull each supporting unit to move, thereby changing the position of the support at the lower part of the forging circle, thereby achieving the goal of polishing each position on the circumference of the forging circle, making the polishing area of ​​the forging circle larger, and preventing the lower part from being unable to be polished due to the interference of the support fitting.

[0020] 3. The present invention supports the lower part of the forged circle through the recessed openings inside the two supporting units, so that after the forged circle is loaded inside, it can ensure that the restrained fitting surfaces at both ends and the center of the forged circle are aligned, making the subsequent forged circle polishing action more stable.

[0021] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a front view schematic diagram of an embodiment of the present invention;

[0024] Figure 2 It is a schematic diagram of the right side structure of the polishing unit according to an embodiment of the present invention;

[0025] Figure 3 A schematic diagram of the structure of a removal polishing unit according to an embodiment of the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of a supporting unit according to an embodiment of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the supporting unit of the embodiment of the present invention being loaded with a forged circle;

[0028] Figure 6 A schematic diagram of the decomposed structure of a restraining platform according to an embodiment of the present invention;

[0029] Figure 7 A schematic diagram of the structure of a traction unit according to an embodiment of the present invention;

[0030] Figure 8 This is a schematic diagram of the constraint module structure of an embodiment of the present invention;

[0031] Figure numerals: 11, rod body Z; 111, motor three; 112, threaded displacement platform; 113, debris containing shell; 114, cover sheet; 115, leakproof cover; 116, polishing rod; 117, spiral beryllium copper wire; 12, assembly sheet; 13, wing sheet; 14, traction unit; 15, supporting unit; 16, constraint module; 17, supporting platform; 18, recessed opening; 19, supporting sphere; 120, expansion block; 121, inclined platform; 122, constraint block; 123, linkage sheet; 124, threaded tube one; 125, Guide tube; 126, extension seat; 127, buckle connection; 128, movable plate; 129, elastic telescopic rod; 130, motor one; 131, linkage rod; 132, connecting plate one; 133, guide rod; 134, connecting plate two; 135, motor two; 136, rod body one; 137, slewing support one; 138, vertical plate; 139, threaded tube two; 140, rod body two; 141, rotating handle; 142, slewing support two; 143, insertion tube; 144, sprocket X; 145, resistance plate; 146, bending plate. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of specific embodiments of the present invention. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Reference Figure 1-8 The embodiment of the present invention provides a polishing device for heat-resistant alloy steel forging circle, comprising a constraint unit, the constraint unit comprising an assembly sheet 12, a traction unit 14, and a supporting unit 15, the polishing units are installed on the sides of the two supporting units 15 that are away from each other and the central position, the traction module is installed at the lower part of the central polishing unit, the traction module comprises a rod body Z11, a threaded displacement platform 112, and a motor three 111, the motor three 111, the rod body Z11 and the threaded displacement platform 112 are all installed in two and are installed in front and back mirror images, the wall surface of the rod body Z11 is reserved with thread teeth, the motor three 111 is installed on the supporting unit 15, the rotary rod of the motor three 111 is connected to the rod body Z11, and the threaded displacement platform 112 is installed on the corresponding rod body Z11 and is threaded;

[0034] The polishing unit includes a debris containing shell 113, a cover sheet 114, a leakproof cover 115, a polishing rod 116, and a spiral beryllium copper wire 117. The lower part of the debris containing shell 113 is connected to the corresponding wire-connected displacement stage 112. Two cover sheets 114 are installed and mirror-mounted on the upper part of the debris containing shell 113. The upper part of the debris containing shell 113 is opened and installed. Two leakproof covers 115 are installed and mirror-mounted in front and back. The leakproof cover 115 extends into one end of the debris containing shell 113 and contacts the debris. The containing shell 113 is hinged, two spiral beryllium copper wires 117 are installed and connected with corresponding leakproof covers 115, and the polishing rod 116 is installed between the cover sheets 114. The polishing rod 116 is driven by the motor X. The leakproof cover 115 cooperates with the spiral beryllium copper wire 117 and the cover sheet 114 to block the debris and reduce overflow during the polishing of the polishing rod 116, thereby reducing pollution. The front and rear sides of the debris containing shell 113 are equipped with openable and closable shell doors, so that the debris can be taken out.

[0035] Wings 13 are installed at both ends of the assembly piece 12, and the traction unit 14 is installed in the center of the two wing pieces 13. A rod body 136 is installed in the center of the traction unit 14, and the wall surface of the rod body 136 is reserved with thread teeth. Two supporting units 15 are installed, and the lower part of each supporting unit 15 is installed with a linkage piece 123. The rod body 136 passes through the linkage piece 123 at the lower part of each supporting unit 15 in sequence. 5 is reserved with an indentation 18 at the top, and the two indentations 18 respectively support the two sides of the lower part of the forged circle to be polished, and an extension seat 126 is installed on one side of each supporting unit 15, and a restraint module 16 is installed at the end of the extension seat 126 farther from the indentation 18, and a bending piece 146 is installed at the bottom of the linkage piece 123, and the bending piece 146 is fan-shaped, and the outer edge area of ​​each bending piece 146 is in contact with the outer wall of the assembly piece 12. The constraint unit of forging and polishing is used to apply the constraint during forging and polishing. During assembly, the two upper supporting units 15 are controlled by the lower traction unit 14 to swing, and each supporting unit 15 is rotated to the position where one end of the expansion block 120 is close to the wall of the lower workbench, so that the forging loaded on the workbench can be rolled along the head of the expansion block 120 into the supporting unit 15, and then the supporting unit 15 can be returned to its original position through the traction unit 14, and the purpose of supporting the forging can be achieved. After the forging circle stops, the two ends of the forging circle can be restrained by the restraint module 16 to achieve the purpose of restraining the forging circle. In this way, the motor X and the sprocket installed on the motor X and the chain matching the sprocket are connected with the sprocket X144 on the restraint module 16, so as to control the rotation of the forging circle in the horizontal state and after restraint, and achieve the polishing action of the forging circle. During the polishing action, the restraint module 16 cooperates with the traction unit 14 to change the supporting position of the supporting unit 15 to the forging circle.

[0036] The traction unit 14 includes a motor 130 and a motor 2 135. The rotary rod of the motor 130 is connected to the linkage rod 131. One end of the linkage rod 131 is provided with a connecting piece 132. The other side of the connecting piece 132 is connected to the guide rod 133. The rotary rod of the motor 2 135 is connected to the linkage rod 131. Two guide rods 133 are provided. The two guide rods 133 are mirror-mounted on both sides of the rod body 136. One end of the guide rod 133 is provided with a connecting piece 132. The other side of the connecting piece 132 is provided with a guide rod 133. Connecting the connecting piece 2 134, the linkage rod 131, the connecting piece 1 132, the connecting piece 2 134 and the guiding rod 133 are all connected to form an integral structure. The two ends of the rod body 136 are equipped with a slewing bearing 137. The rod body 136 passes through the center of the connecting piece 132 and the connecting piece 2 134 through the slewing bearing 137 at both ends. The motor 130 and the motor 2 135 are fixed to the outer wall of the two wings 13 with fasteners. The traction unit 14 pulls each supporting unit 15 to move, thereby changing the position of the support at the lower part of the forging circle, thereby achieving the goal of polishing each position on the circumference of the forging circle, making the forging circle polishing area larger, and preventing the lower part from being unable to be polished due to the interference of the support.

[0037] The traction unit 14 controls the rod body 136 to rotate via the motor 2 135, and the rod body 136 cooperates with the threaded tube 124 on each supporting unit 15 to control the displacement of all the supporting units 15, so as to achieve the goal of changing the supporting position of the supporting unit 15 at the lower part of the forging circle, and by controlling the different rotation directions of the threads in the two threaded tubes 124, the rod body 136 can be rotated to control the displacement of the supporting unit 15 back and forth, that is: to move the two supporting units 15 together towards the center or together away from each other. The motor 130 can rotate the connecting piece 132, the connecting piece 2 134 and the two guiding rods 133 through the linkage rod 131, so as to control the supporting ball 19, the supporting platform 17, etc. to rotate to both sides. When the outer edges of the supporting ball 19, the supporting platform 17, etc. are close to the lower workbench wall, the open part of the upper recessed opening 18 of the supporting unit 15 can be faced to the front and back, which is convenient for loading and removing the forged circle. During this period, the movement of the rod 136 is not hindered, and the guiding ability during the displacement of the supporting unit 15 can be given through the guiding rod 133.

[0038] The supporting unit 15 includes a supporting platform 17 and a linkage piece 123, wherein the linkage piece 123 is fixedly connected to the lower part of the supporting platform 17, an inner recess 18 is reserved at the upper part of the supporting platform 17, a rotatable supporting sphere 19 is inlaid inside the inner recess 18, one end of the supporting platform 17 is connected to the expansion barrier 120, a guide tube 125 and a threaded tube 124 are reserved on the wall of the linkage piece 123, two guide tubes 125 are installed, each guide tube 125 is mirror-mounted on both sides of the threaded tube 124, and a guide rod 133 is self-rotating from the guide tube 125. The rod body 136 passes through the inside of the threaded tube 124, the thread threads in the threaded tube 124 on the two supporting units 15 have different rotation directions, an inclined platform 121 is installed at one end of the expansion barrier 120, and a buckle opening 127 is reserved on the inner wall of the expansion barrier 120, and a movable piece 128 is installed inside the buckle opening 127, and a restraining block 122 is installed on the upper part of the movable piece 128, and the lower part of the movable piece 128 is connected to the elastic telescopic rod 129, and the lower part of the movable piece 128 is inserted into the buckle opening 127.

[0039] When the restraining unit is loading or removing the forged round, the traction unit 14 can be rotated, and the supporting unit 15 can be controlled to rotate to both sides at a certain angle, so that the upper open position of the supporting unit 15 is inclined to the wall of the workbench, so that the forged round can be rolled into the supporting unit 15 from the bottom. During this period, there is no need to lift the forged round high, thereby reducing the labor intensity of loading and removing the forged round.

[0040] After the supporting unit 15 is loaded via the traction unit 14, the lower end of the extended barrier 120 abuts against the work surface, and the forged circle to be polished can be driven from the position of the inclined platform 121 to the inside of the recessed opening 18. During this period, after the forged circle is squeezed to the upper part of the constraint barrier 122, the constraint barrier 122 can be moved downward, and when the movable sheet 128 is moved downward to the inside of the buckling opening 127, the forged circle can be moved across the constraint barrier 122 to the recessed opening 18, and the constraint barrier 122 prevents the forged circle from moving away. After that, after the supporting unit 15 is pulled back to the initial position by the motor 130, the forged circle can be restricted on the supporting sphere 19 at the lower part of the recessed opening 18, and the two ends of the forged circle can be restrained by abutment of the constraint module 16.

[0041] The constraint module 16 includes a rod body 140 and an insertion tube 143. The wall of the rod body 140 is reserved with threads. A vertical plate 138 is installed at one end of the expansion seat 126. A thread tube 139 is reserved on the upper part of the vertical plate 138. The rod body 140 is installed inside the thread tube 139. A rotating handle 141 is installed at one end of the rod body 140. A swivel bearing 142 is installed at the other end of the rod body 140. One end of the insertion tube 143 is open. A resistance plate 145 is installed at the other end of the insertion tube 143. A sprocket X144 is installed on the surrounding wall of the insertion tube 143. The rod body 140 is connected to the inside of the insertion tube 143 through the swivel bearing 142 at one end. The centers of the rod bodies 140 on the two constraint modules 16 are in a straight line, and the sprocket X144 is connected to the external motor X through a chain.

[0042] Because the lower part of the forged circle is supported by the recessed openings 18 in the two supporting units 15, after the forged circle is loaded therein, the two end restraining fitting surfaces and the center of the forged circle can be aligned, making the subsequent forged circle polishing action more stable.

[0043] By rotating the rotating handle 141 to pull the rod body 140 to rotate, the rod body 140 can be moved along the inside of the wire tube 139, and one end of the rod body 140 is abutted against the inside of the insertion tube 143 through the slewing bearing 142, so that the abutment piece 145 at one end of the insertion tube 143 can be restricted to the head of the forged circle during the movement of the rod body 140, and the purpose of restraint can be achieved through the constraint modules 16 at both ends. During this state, the motor X can cooperate with the chain to pull the sprocket X144 on the insertion tube 143 to rotate, thereby rotating the forged circle firmly loaded inside.

[0044] During the period when the supporting unit 15 is supported at the lower position of the forging circle, the constraint module 16 must be released at the beginning, and then the displacement of the supporting unit 15 can be controlled by the traction unit 14.

[0045] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A polishing device for heat-resistant alloy steel forgings, comprising a constraint unit, characterized in that: The constraint unit comprises an assembly sheet (12), a traction unit (14), a support unit (15) and a constraint module (16); polishing units are installed on the sides of the two support units (15) that are away from each other and in the middle; a traction module is installed at the lower part of the polishing unit in the middle; the traction module comprises a rod Z (11), a threaded displacement platform (112) and a motor three (111); two motors (111), the rod Z (11) and the threaded displacement platform (112) are installed and are mirror-imaged; the motor three (111) is installed on the support unit (15); the rotary rod of the motor three (111) is connected to the rod Z (11); the threaded displacement platform (112) is installed on the corresponding rod Z (11) and is threadedly connected; The polishing unit comprises a debris containing shell (113), a cover sheet (114), a leakproof cover (115), a polishing rod (116), and a spiral beryllium copper wire (117). The lower part of the debris containing shell (113) is connected to the corresponding wire-connected displacement platform (112). The cover sheet (114) is provided with two pieces and is mirror-mounted on the upper part of the debris containing shell (113). The upper part of the debris containing shell (113) is open. The leak-proof covers (115) are installed in two pieces and are mirror-imaged in front and back. One end of the leak-proof cover (115) extends into the debris containing shell (113) and is hingedly connected to the debris containing shell (113). Two spiral beryllium copper wires (117) are installed and connected to the corresponding leak-proof covers (115). The polishing rod (116) is installed between the cover sheets (114). The polishing rod (116) is driven by the motor C to operate. Wings (13) are installed at both ends of the assembly piece (12), the traction unit (14) is installed at the center of the two wing pieces (13), a screw (136) is installed at the center of the traction unit (14), two supporting units (15) are installed, and a linkage piece (123) is installed at the bottom of each supporting unit (15), and the screw (136) passes through the linkage piece (123) at the bottom of each supporting unit (15) in sequence, and a screw (136) is reserved at the top of the supporting unit (15). The two recessed openings (18) each support the two sides of the lower part of the forged circle to be polished, and each supporting unit (15) is provided with an extension seat (126) on one side, and a restraint module (16) is provided on the end of the extension seat (126) farther from the recessed opening (18). A bending piece (146) is provided at the lower part of the linkage piece (123), and the bending piece (146) is fan-shaped, and the outer edge area of ​​each bending piece (146) is in contact with the outer wall of the assembly piece (12).

2. The polishing device for heat-resistant alloy steel forging according to claim 1 is characterized in that: The traction unit (14) comprises a motor 1 (130) and a motor 2 (135), wherein the rotary rod of the motor 1 (130) is connected to a linkage rod (131), a connection plate 1 (132) is arranged at one end of the linkage rod (131), and the other side of the connection plate 1 (132) is connected to a guide rod (133), and the rotary rod of the motor 2 (135) is connected to the linkage rod (131).

3. The polishing device for heat-resistant alloy steel forging according to claim 2 is characterized in that: Two guiding rods (133) are installed, and the two guiding rods (133) are installed in mirror image on both sides of the screw rod (136). One end of the guiding rod (133) is connected to the second connecting piece (134), and the linkage rod (131), the first connecting piece (132), the second connecting piece (134) and the guiding rod (133) are all connected to form an integral structure.

4. The polishing device for heat-resistant alloy steel forging according to claim 3 is characterized in that: The two ends of the screw rod (136) are provided with a slewing bearing 1 (137), and the screw rod (136) passes through the slewing bearing 1 (137) at both ends from the center of the connecting piece 1 (132) and the connecting piece 2 (134), and the motor 1 (130) and the motor 2 (135) are fixed to the outer wall of the two wings (13) by fasteners.

5. The polishing device for heat-resistant alloy steel forging according to claim 2 is characterized in that: The supporting unit (15) comprises a supporting platform (17) and a linkage piece (123), wherein the linkage piece (123) is fixedly connected to the lower part of the supporting platform (17), the recessed opening (18) is reserved at the upper part of the supporting platform (17), a rotatable supporting ball (19) is embedded in the recessed opening (18), and one end of the supporting platform (17) is connected to the expansion barrier (120).

6. The polishing device for heat-resistant alloy steel forging according to claim 5, characterized in that: The wall surface of the linkage piece (123) is reserved for a guide tube (125) and a threaded tube (124). Two guide tubes (125) are installed, and each guide tube (125) is installed in a mirror image on both sides of the threaded tube (124). The guide rod (133) passes through the inside of the guide tube (125), and the screw rod (136) passes through the inside of the threaded tube (124). The threaded threads in the threaded tubes (124) on the two supporting units (15) have different rotation directions.

7. The polishing device for heat-resistant alloy steel forging according to claim 6 is characterized in that: A sloped platform (121) is arranged at one end of the expansion barrier (120), a buckle opening (127) is reserved on the inner wall of the expansion barrier (120), a movable sheet (128) is arranged inside the buckle opening (127), a restraining barrier (122) is arranged on the upper part of the movable sheet (128), the lower part of the movable sheet (128) is connected to an elastic telescopic rod (129), and the lower part of the movable sheet (128) is inserted into the buckle opening (127).

8. The polishing device for heat-resistant alloy steel forging according to claim 5, characterized in that: The constraint module (16) comprises a rod body (140) and an insertion tube (143). A vertical plate (138) is arranged at one end of the expansion seat (126). A wire tube (139) is reserved at the upper part of the vertical plate (138). A rod body (140) is arranged inside the wire tube (139). A rotating handle (141) is arranged at one end of the rod body (140).

9. The polishing device for heat-resistant alloy steel forging according to claim 8, characterized in that: The other end of the rod body 2 (140) is provided with a slewing bearing 2 (142), one end of the insertion tube (143) is open, the other end of the insertion tube (143) is provided with a resisting piece (145), and a sprocket wheel X (144) is provided on the peripheral wall of the insertion tube (143).

10. The polishing device for heat-resistant alloy steel forging according to claim 9, characterized in that: The rod body 2 (140) is clamped into the inside of the insertion tube (143) via the slewing bearing 2 (142) at one end, the centers of the rod bodies 2 (140) on the two constraint modules (16) are in a straight line, and the sprocket X (144) is connected to the external motor X via a chain.

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