Gear multi-station hot die forging press capable of rapidly replacing die

Abstract

The invention provides a gear multi-station hot die forging press capable of rapidly replacing dies, and relates to the technical field of gear machining, the gear multi-station hot die forging press comprises a fixing frame body, and a fixing base is installed at the bottom of the fixing frame body; a spring is installed at the bottom of the guide supporting plate, the side end of the spring is connected with the bottom of the fixing plate, and an open groove is formed in the top of the guide supporting plate. A driving cylinder is mounted at one end of the bottom of the fixing frame body, and a force application guide rod is mounted at the output end of the driving cylinder and penetrates through an open groove in the top of the guide supporting plate; and the force application guide rod is mounted on one side of the bottom of the mold fixing seat in a sliding manner. The guide rod moves upwards to push the mold fixing seat to drive the multi-process mold to move outwards, and the multi-process mold is separated from the clamping plate and falls on the guide supporting plate by utilizing the self weight, so that quick demolding is realized, the replacement efficiency of the multi-process mold is improved, and the problems that the mold is heated to swell due to high temperature of a gear blank, and the mold cannot be directly taken out upwards are solved. The operation process is time-consuming and labor-consuming.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gear machining, and particularly relates to a gear multi-station hot die forging press capable of quickly replacing a die. BACKGROUND

[0002] The gear multi-station hot die forging is to heat high-quality metal blanks to a high-temperature state so that the metal blanks have good plasticity, and then the metal blanks are accurately formed into a required gear shape under the strong force of a press by means of a carefully designed die. In order to meet the shape characteristics and process requirements of the gear, the die is usually divided into multiple stations. During the gear multi-station hot die forging, the press continuously and stably applies pressure to ensure high quality and high precision of the gear machining.

[0003] In the prior art, when the gear is subjected to hot die forging machining, the heated gear blank is placed in the die for forging and pressing. The die is gradually damaged due to high temperature and pressure impact. After long-term use, the die may have various damage conditions. When the die is replaced, the high temperature of the gear blank causes the die to expand due to heat. If the die is directly taken out upward, the operation process is extremely time-consuming and laborious, which affects the efficiency of die replacement. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a gear multi-station hot die forging press capable of quickly replacing a die to solve the problems mentioned in the background.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme: The present application is a gear multi-station hot die forging press capable of quickly replacing a die, which specifically comprises: a fixed frame body, a fixed base is installed at the bottom of the fixed frame body; a positioning plate is installed on the outer side of the fixed frame body; the positioning plate is an arc-shaped plate structure, and a guide groove is formed on the outer side of the positioning plate; a guide plate is rotatably installed in the guide groove; the guide plate is an annular structure, four connecting plates are installed on the outer side of the guide plate, and connecting pieces are installed on the outer side of the guide plate through the four connecting plates; the connecting pieces are arc-shaped structures, a slot is arranged between the side ends of the four connecting pieces, and a die fixing seat is slidably installed in the slot; a fixed plate is installed on the outer side of the fixed frame body; a guide supporting plate is rotatably installed on the outer end of the fixed plate; a spring is installed at the bottom of the guide supporting plate, the side end of the spring is connected with the bottom of the fixed plate, the guide supporting plate is below the die fixing seat, and a slot is arranged at the top of the guide supporting plate; a drive cylinder is installed at one end of the bottom of the fixed frame body, and a force guiding rod is installed on the output end of the drive cylinder and passes through the slot at the top of the guide supporting plate; the force guiding rod is a cylindrical structure, and is slidably installed at one side of the bottom of the die fixing seat.

[0006] Further, the side end top of the connecting piece is provided with a positioning seat; the side end of the positioning seat is provided with a guide rotating rod.

[0007] Further, the outer side of the guide rotating rod is provided with a reset spring, and the side end of the guide rotating rod is connected with the outer side of the mold fixing seat.

[0008] Further, the mold fixing seat is in a circular structure, four springs are arranged in the inner side of the mold fixing seat, and the inner side of the mold fixing seat is provided with clamping plates through the four springs, wherein the top of the clamping plate is in an inclined structure, and a multi-process mold is arranged between the four clamping plates.

[0009] Further, the rear side of the fixed frame body is rotatably provided with a movable plate; the side end of the movable plate is provided with a positioning carrier plate; and the middle position of the top of the positioning carrier plate is provided with a supporting plate.

[0010] Further, the supporting plate is in an L-shaped structure, the side end top of the supporting plate is provided with a driving cylinder, and the output end of the bottom of the driving cylinder is provided with an electromagnetic magnet.

[0011] Further, the side of the positioning carrier plate is provided with an induction heating ring; the top of the fixed frame body is provided with a driving cylinder, and the output end of the bottom of the driving cylinder is provided with a pressure mold, wherein the pressure mold is movably arranged on the top of the multi-process mold.

[0012] Further, the rear side of the fixed base is provided with a refrigeration machine assembly; the side end top of the refrigeration machine assembly is provided with a driving pump, and the output end of the driving pump is provided with a flow guide pipe.

[0013] Further, the flow guide pipe is in a telescopic structure, the side end of the flow guide pipe is provided with a flow guide cover; and the bottom of the flow guide cover is movably arranged on the top of the mold fixing seat.

[0014] Further, the other side of the rear of the fixed frame body is provided with a driving cylinder, the output end of the driving cylinder is provided with a traction plate; and the side of the traction plate is connected with the outer side of the flow guide cover.

[0015] The present application provides a gear multi-station hot die forging press capable of quickly replacing molds, and has the following beneficial effects: The application is used, cold air generated by the refrigeration unit assembly flows through the drive pump, the flow guide pipe, enters the flow guide cover and is sprayed out, the used multi-process mold can be rapidly and effectively cooled, when the multi-process mold needs to be replaced due to damage, the drive cylinder drives the force applying guide rod to move upwards to push the mold fixing base to drive the multi-process mold to move outward, the multi-process mold is separated from the clamping plate and falls on the guide supporting plate by using the weight of the multi-process mold, the guide supporting plate is rotated to be inclined to make the multi-process mold slide off, rapid demolding is realized, the multi-process mold replacement process is simplified, the difficulty of manual operation and the time cost are reduced, and the multi-process mold replacement efficiency is improved.

[0016] In addition, the multi-process mold pushing clamping plate is movably arranged in the inner side of the mold fixing base, the mold fixing base is driven to move by the pushing connecting piece, the multi-process mold is stably placed on the fixed base by the mold fixing base, the great impact force and vibration generated in the forging process can be effectively resisted, the multi-process mold can always be kept stable in the forging process, the four multi-process molds can be rotated to realize multi-station replacement, and the production cycle is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings of the embodiments will be briefly introduced below.

[0018] The drawings described below only relate to some embodiments of the application, and are not limited to the application.

[0019] In the drawings: Figure 1 A schematic view showing the overall structure of the application is shown; Figure 2 A schematic view showing the three-dimensional structure of the positioning plate of the application is shown; Figure 3 A schematic view showing the sectional structure of the guide plate of the application is shown; Figure 4 A schematic view showing the sectional structure of the mold fixing base of the application is shown; Figure 5 A schematic view showing the three-dimensional structure of the movable plate of the application is shown; Figure 6 A schematic view showing the three-dimensional structure of the support plate of the application is shown; Figure 7 A schematic view showing the three-dimensional structure of the flow guide cover of the application is shown; Figure 8 A schematic view showing the three-dimensional structure of the guide supporting plate of the application is shown; Figure 9 A schematic view showing the three-dimensional structure of the force applying guide rod of the application is shown.

[0020] LIST OF REFERENCE NUMERALS 1, fixed frame body; 101, fixed base; 102, positioning plate; 103, guide groove; 104, guide plate; 105, connecting piece; 106, positioning seat; 107, guide rotating rod; 108, mold fixing seat; 109, clamping plate; 2, movable plate; 201, positioning carrier plate; 202, support plate; 203, electromagnetic magnet; 204, induction heating ring; 205, pressure mold; 3, refrigerator assembly; 301, flow guide pipe; 302, flow guide cover; 303, traction plate; 304, fixed plate; 305, guide bracket; 306, force guiding rod; 4, multi-process mold. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1 to 9 : Embodiment one: the present application proposes a gear multi-station hot die forging press for quickly replacing mold, comprising: a fixed frame body 1, a fixed base 101 is installed at the bottom of the fixed frame body 1; a positioning plate 102 is installed on the outer side of the fixed frame body 1; the positioning plate 102 is an arc plate structure, and a guide groove 103 is formed on the outer side of the positioning plate 102; a guide plate 104 is rotatably installed inside the guide groove 103; the guide plate 104 is an annular structure, and four connecting plates are installed on the outer side of the guide plate 104, and connecting pieces 105 are installed on the outer side of the guide plate 104 through the four connecting plates; the connecting pieces 105 are arc structures, and a slot is formed between the side ends of the four connecting pieces 105, and a mold fixing seat 108 is slidably installed in the slot; a positioning seat 106 is installed at the top of the side end of the connecting piece 105; a guide rotating rod 107 is installed at the side end of the positioning seat 106; a return spring is installed on the outer side of the guide rotating rod 107, and the side end of the guide rotating rod 107 is connected with the outer side of the mold fixing seat 108; the mold fixing seat 108 is a circular structure, four springs are installed inside the mold fixing seat 108, and clamping plates 109 are installed inside the mold fixing seat 108 through the four springs, wherein the top of the clamping plate 109 is an inclined structure, and a multi-process mold 4 is installed between the four clamping plates 109.

[0023] In the embodiment of the present application, when the gear is subjected to hot die forging processing, the multi-station hot die forging multi-station dies 4 are respectively installed on the inner side of the die fixing seat 108, the four die fixing seats 108 are respectively installed in the grooves between the side ends of the four connecting pieces 105, the side of the positioning seat 106 drives the die fixing seat 108 to be positioned through the guide rotating rod 107, when the multi-station dies 4 are installed on the inner side of the die fixing seat 108, the bottom edge position pushes the top of the clamping plate 109 to move, so that the multi-station dies 4 are installed on the inner side of the die fixing seat 108, the four clamping plates 109 are stably installed on the inner side of the die fixing seat 108 under the action of the spring, when forging, the connecting piece 105 drives the four die fixing seats 108 to move, then the connecting piece 105 drives the guide plate 104 to move along the guide groove 103 through the connecting plate, the positioning plate 102 positions the position of the guide plate 104, the die fixing seat 108 drives the multi-station dies 4 to be placed on the fixed base 101, so as to ensure the stability of the position of the multi-station dies 4, the four multi-station dies 4 are rotated to be replaced in multi-station, so as to ensure the precision of gear processing.

[0024] In the embodiment two, on the basis of the embodiment one, the movable plate 2 is rotatably installed on the rear side of the fixed frame body 1; the positioning carrier plate 201 is installed on the side end of the movable plate 2; the supporting plate 202 is installed on the middle position of the top of the positioning carrier plate 201; the supporting plate 202 is of L-shaped structure, and the drive cylinder is installed on the side end top of the supporting plate 202, and the electromagnetic magnet 203 is installed on the output end of the bottom of the drive cylinder; the induction heating ring 204 is installed on the side of the positioning carrier plate 201; the drive cylinder is installed on the top of the fixed frame body 1, and the pressure die 205 is installed on the output end of the bottom of the drive cylinder, wherein the pressure die 205 is movably installed on the top of the multi-station die 4 downwards, when the gear is subjected to hot die forging processing, the die fixing seat 108 drives the multi-station die 4 to move to the fixed base 101, the drive cylinder on the top of the fixed frame body 1 drives the pressure die 205 to move downwards, so as to forge and process the gear blank in the multi-station die 4, when the multi-station die 4 is replaced, the movable plate 2 on the rear side of the fixed frame body 1 drives the supporting plate 202 on the top of the positioning carrier plate 201 to move, the drive cylinder on the side end top of the supporting plate 202 drives the electromagnetic magnet 203 to move downwards, the electromagnetic magnet 203 is magnetically attracted to the gear blank through electromagnetic technology, the drive cylinder drives the gear blank magnetically attracted by the electromagnetic magnet 203 to move upwards to be inside the induction heating ring 204, so that the gear blank is in a heated state, preventing the problem of cooling when the multi-station die 4 is replaced, after the multi-station die 4 is replaced, the drive cylinder drives the electromagnetic magnet 203 to move downwards and is installed on the inner side of the multi-station die 4, so as to facilitate the continuous processing of the gear.

[0025] The embodiment three is based on the embodiment one, the rear side of the fixed base 101 is provided with a refrigeration machine assembly 3; the side end top of the refrigeration machine assembly 3 is provided with a drive pump, and the output end of the drive pump is provided with a flow guide pipe 301; the flow guide pipe 301 is of a telescopic structure, and the side end of the flow guide pipe 301 is provided with a flow guide cover 302; the bottom of the flow guide cover 302 is movably installed on the top of the mold fixed base 108; the other side of the rear of the fixed frame body 1 is provided with a drive cylinder, and the output end of the drive cylinder is provided with a traction plate 303; the side surface of the traction plate 303 is connected with the outside of the flow guide cover 302; the outside of the fixed frame body 1 is provided with a fixed plate 304; the outer end of the fixed plate 304 is rotatably provided with a guide supporting plate 305; the bottom of the guide supporting plate 305 is provided with a spring, the side end of the spring is connected with the bottom of the fixed plate 304, the guide supporting plate 305 is below the mold fixed base 108, and the top of the guide supporting plate 305 is provided with a slot; one end of the bottom of the fixed frame body 1 is provided with a drive cylinder, and the output end of the drive cylinder is provided with a force guiding rod 306 which passes through the slot on the top of the guide supporting plate 305; the force guiding rod 306 is of a cylindrical structure, and the force guiding rod 306 is slidably installed on one side of the bottom of the mold fixed base 108; when the gear is subjected to hot die forging processing, the drive cylinder on the other side of the rear of the fixed frame body 1 drives the traction plate 303 to move downwards, the traction plate 303 drives the flow guide cover 302 to be installed on the top of the mold fixed base 108 after use, the cold air flow generated by the refrigeration machine assembly 3 enters into the flow guide pipe 301 and then enters into the inside of the flow guide cover 302 through the drive pump, and the cold air flow is sprayed out of the flow guide cover 302 to cool the multi-process mold 4 after use; when the multi-process mold 4 needs to be replaced due to damage, the drive cylinder on one end of the bottom of the fixed frame body 1 drives the force guiding rod 306 to move upwards, the force guiding rod 306 drives the mold fixed base 108 to rotate, the mold fixed base 108 drives the guide rotating rod 107 to rotate on the side surface of the positioning base 106, the mold fixed base 108 drives the multi-process mold 4 on the inside to move outwards, the multi-process mold 4 is separated from the fixed clamping plate 109 due to the heavy weight of the multi-process mold 4, the multi-process mold 4 falls on the guide supporting plate 305, the guide supporting plate 305 is rotated on the side end of the fixed plate 304 due to the pressing of the multi-process mold 4, the guide supporting plate 305 is in an inclined state to slide the multi-process mold 4 out, the mold is stripped by using the weight of the multi-process mold 4 itself, and the efficiency of replacing the multi-process mold 4 is improved.

[0026] The working principle of the embodiment is as follows: the bottom edge position of the multi-process mold 4 pushes the top of the clamping plate 109 to move, the multi-process mold 4 is installed on the inner side of the mold fixing seat 108, the connecting piece 105 drives the four mold fixing seats 108 to move, the connecting piece 105 drives the guide plate 104 to move along the guide groove 103 through the connecting plate, the mold fixing seat 108 drives the multi-process mold 4 to be placed on the fixed base 101, the driving cylinder at the top of the fixed frame body 1 drives the pressure mold 205 to move downward to forge and press the gear blank in the multi-process mold 4, when the multi-process mold 4 is replaced, the rotating movable plate 2 drives the support plate 202 at the top of the positioning carrier plate 201 to move, the driving cylinder at the top of the side end of the support plate 202 drives the electromagnetic magnet 203 to move downward, the electromagnetic magnet 203 is magnetically attracted to the gear blank through electromagnetic technology, the electromagnetic magnet 203 drives the gear blank to move upward to be in the induction heating ring 204, the gear blank is in a heated state, after the multi-process mold 4 is replaced, the driving cylinder drives the electromagnetic magnet 203 to move downward and is installed on the inner side of the multi-process mold 4 to continue processing, the driving cylinder drives the fairing 302 at the side of the traction plate 303 to be installed on the used mold fixing seat 108, the cold air flow generated by the refrigeration assembly 3 enters the fairing 302 through the guide pipe 301 and is sprayed to cool the used multi-process mold 4, the driving cylinder at one end of the bottom of the fixed frame body 1 drives the force applying guide rod 306 to move upward to push the mold fixing seat 108 to rotate, the mold fixing seat 108 drives the multi-process mold 4 on the inner side to rotate outward, because the multi-process mold 4 is heavy, the multi-process mold 4 is separated from the fixing of the clamping plate 109 and falls on the guide supporting plate 305, the multi-process mold 4 presses the guide supporting plate 305 to rotate at the side end of the fixed plate 304 to be in an inclined state to guide the multi-process mold 4 out, and the demolding and replacement of the damaged multi-process mold 4 are completed.

[0027] In this paper, the following points need attention: 1. The drawings of the embodiment of the present application only relate to the structures involved in the embodiment of the present application, and other structures can refer to the general design.

[0028] 2. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined to obtain new embodiments.

[0029] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A fast die change gear multi-station hot die forging press comprising: The utility model provides a fixing frame body (1), the bottom of fixing frame body (1) is equipped with fixed base (101), its characterized in that, the outside of fixing frame body (1) is equipped with locating plate (102), the outside of locating plate (102) is equipped with guide groove (103), the inside of guide groove (103) is rotatably installed with guide plate (104), the outside of guide plate (104) is equipped with four connecting plates, and the outside of guide plate (104) is equipped with connecting piece (105) through four connecting plates, the side end between four connecting piece (105) is equipped with slot, and the mould fixing base (108) is slidably installed in the slot, the outside of fixing frame body (1) is equipped with fixed plate (304), the outside of fixed plate (304) is rotatably installed with guide supporting plate (305), the bottom of guide supporting plate (305) is equipped with spring, and the side end of spring is connected with the bottom of fixed plate (304), and guide supporting plate (305) is below mould fixing base (108), and the top of guide supporting plate (305) is equipped with slot, and one end of fixing frame body (1) bottom is equipped with drive cylinder, and the output end of drive cylinder is equipped with force guide rod (306) through the slot on the top of guide supporting plate (305), and force guide rod (306) is slidably installed on the bottom one side of mould fixing base (108).

2. A gear multi-position hot die forging press with quick-change dies according to claim 1, characterized in that, The side end top of connecting piece (105) is equipped with locating seat (106), and the side end of locating seat (106) is equipped with guide rotary rod (107).

3. A gear multi-station hot die forging press with quick change dies according to claim 2, characterized in that, The outside of guide rotary rod (107) is equipped with return spring, and the side end of guide rotary rod (107) is connected with the outside of mould fixing base (108).

4. A gear multi-station hot die forging press with quick change dies according to claim 3, characterized in that, The inside of mould fixing base (108) is equipped with four springs, and the inside of mould fixing base (108) is equipped with clamping plate (109) through four springs, and the between four clamping plate (109) is equipped with multi -process mould (4).

5. A gear multi-station hot die forging press with quick change dies according to claim 4, characterized in that, The side end of movable plate (2) is rotatably installed on the rear side of fixing frame body (1), and the side end of movable plate (2) is equipped with locating carrier plate (201), and the top of locating carrier plate (201) is equipped with supporting plate (202).

6. A gear multi-station hot die forging press with quick change dies according to claim 5, characterized in that, The side end top of supporting plate (202) is equipped with drive cylinder, and the output end on the bottom of drive cylinder is equipped with electromagnetic magnet (203).

7. A gear multi-station hot die forging press with quick change dies according to claim 6, characterized in that, The side of locating carrier plate (201) is equipped with induction heating ring (204), the top of fixing frame body (1) is equipped with drive cylinder, and the output end on the bottom of drive cylinder is equipped with pressure mould (205), wherein, pressure mould (205) is movably installed on the top of multi -process mould (4) downwards.

8. A gear multi-station hot die forging press with quick change dies according to claim 7, characterized in that, The rear side of fixed base (101) is equipped with refrigeration machine component (3), and the side end top of refrigeration machine component (3) is equipped with drive pump, and the output end of drive pump is equipped with flow guide pipe (301).

9. A gear multi-station hot die forging press with quick change dies according to claim 8, characterized in that, The side end of flow guide pipe (301) is equipped with flow guide cover (302), and the bottom of flow guide cover (302) is movably installed on the top of mould fixing base (108).

10. A gear multi-station hot die forging press with quick change dies according to claim 9, characterized in that, The other side of the rear of the fixed frame body (1) is provided with a driving cylinder, and a traction plate (303) is arranged on the output end of the driving cylinder; the side surface of the traction plate (303) is connected with the outside of the flow guide cover (302).

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