High-temperature automatic die changing device for thermoforming hydraulic machine

Abstract

The utility model discloses a high-temperature automatic die changing device for a thermoforming hydraulic machine, which belongs to the technical field of thermoforming hydraulic machines and comprises a trolley chassis, a guide rail is slidably mounted at the bottom of the trolley chassis in a limited manner, and a lifting platform is arranged above the trolley chassis. The lifting platform is in lifting transmission connection with the trolley chassis, a sliding table is slidably installed above the lifting platform in a limiting mode, a first lead screw is installed above the sliding table, the two ends of the first lead screw are in transmission connection with clamping arms, and the displacement direction of the clamping arms is perpendicular to the direction where the sliding table is located. The sliding table is used for driving the clamping arm to move towards the interior of the hot forming machine for die replacement, then the clamping arm is matched with the clamping arm to move to install a die to be replaced in the hot forming machine for die replacement, die replacement is convenient, the die replacement efficiency is improved, and meanwhile damage of heat radiation to a human body is reduced.

Description

Technical Field

[0001] The utility model relates to the field of hot forming hydraulic presses, and more specifically, to a high-temperature automatic die-changing device for a hot forming hydraulic press. Background Art

[0002] With the rapid development of China's aviation industry, the manufacturing technologies of light alloys such as titanium alloys are rapidly developing towards the directions of large-scale, integral, complex and precise. At present, there are blanks in the aspects of automation, intelligence, pulsating production and information-based logistics control in titanium alloy manufacturing. The effective utilization rate of equipment in each process flow is low, the information-based management is lacking, the localization degree of some key equipment is low, and the degree of independent control is poor. Building an information-based control automation for the whole process of titanium alloy sheet metal for key aviation models will greatly improve the manufacturing capacity and processing level of key aviation models and promote the progress of the aviation manufacturing industry.

[0003] At present, the titanium alloy hot forming machine mainly replaces the die manually. When changing the die, the problem of heat radiation is serious, the die-changing speed is slow and the operation is very inconvenient, which greatly reduces the production efficiency. At the same time, the labor cost increases significantly, resulting in an increase in production costs. How to invent a high-temperature automatic die-changing device for a hot forming hydraulic press to improve these problems has become an urgent problem to be solved by those skilled in the art. Summary of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides a high-temperature automatic die-changing device for a hot forming hydraulic press, aiming to improve the problems of manual die-changing, serious heat radiation, slow die-changing speed, reduced production efficiency and increased production costs.

[0005] The utility model is implemented as follows: A high-temperature automatic die-changing device for a hot forming hydraulic press includes

[0006] a trolley chassis, a guide rail is installed at the bottom of the trolley chassis in a limited sliding manner, a lifting platform is arranged above the trolley chassis, the lifting platform is in lifting transmission connection with the trolley chassis, a sliding table is installed above the lifting platform in a limited sliding manner, a first lead screw is installed above the sliding table, and clamping arms are connected to both ends of the first lead screw in a transmission manner, and the displacement direction of the clamping arms is perpendicular to the direction where the sliding table is located.

[0007] In a preferred technical solution of the utility model, rollers and guide wheels are installed at the bottom of the trolley chassis, the rollers and the guide wheels are arranged alternately, positioning cylinders are symmetrically and equally divided on both sides of the trolley chassis, and the output ends of the positioning cylinders are abutted against the guide rail.

[0008] In a preferred technical solution of the utility model, a first servo motor is installed on one side above the chassis of the trolley, a gear is transmission-connected to the bottom of the first servo motor, a rack is installed above the guide rail, and the rack is meshingly transmission-connected to the gear.

[0009] In a preferred technical solution of the present invention, a lifting platform is arranged above the trolley chassis, and guide columns are fixedly connected to the four corners of the bottom of the lifting platform. The bottoms of the guide columns are respectively limited by guide sleeves, and the guide sleeves are fixedly installed above the trolley chassis. A second servo motor and a steering box are installed above the trolley chassis, and the steering box is transmission-connected to the second servo motor.

[0010] In a preferred technical solution of the utility model, a fourth servo motor is installed above the lifting platform, the end of the fourth servo motor is transmission-connected to a second lead screw, second linear guides are arranged on both sides of the second lead screw, the second linear guides are fixedly installed on the lifting platform, a slide is slidingly clamped above the second linear guide, and the slide is transmission-connected to the second lead screw.

[0011] In a preferred technical solution of the utility model, a third servo motor is provided at the upper end of the slide, the end of the third servo motor is transmission-connected to the first lead screw, and the two ends of the first lead screw are transmission-connected to the clamping arms respectively.

[0012] In a preferred technical solution of the present utility model, a bearing seat is arranged in the middle of the first screw, and the threads at both ends of the first screw are arranged oppositely.

[0013] In a preferred technical solution of the utility model, a plurality of groups of first linear guide rails are symmetrically arranged on both sides of the first lead screw, and the bottoms of the clamping arms are respectively engaged with the first linear guide rails in a limited sliding manner.

[0014] In a preferred technical solution of the present utility model, a support shaft is fixedly installed on one upper end of the lifting platform, and the support shaft is symmetrically installed on the end of the lifting platform and symmetrically arranged with the slide.

[0015] The beneficial effects of the present utility model are as follows: A high-temperature automatic die-changing device for a hot forming hydraulic press obtained through the above design. When in use and during die-changing, the first servo motor drives the belt gear to rotate, and the gear meshes with the rack, causing the rack to cooperate with the gear to drive the trolley chassis to displace on the guide rail. The trolley chassis displaces beside the hot forming machine, and the lifting platform cooperates with the second servo motor, steering box, guide posts, and guide sleeves to lift. The lifting platform lifts to the height of the die. The third servo motor drives the first lead screw to control the distance between the two clamping arms, making the width of the clamping arms correspond to that of the die. At this time, the fourth servo motor drives the second lead screw to drive the sliding table to displace, and the sliding table drives the clamping arms to move into the hot forming machine. After moving to a suitable position, the lifting platform rises to cooperate with the clamping arms to remove the die and place it at other workstations. At the same time, the clamping arms cooperate with the movement to install the die to be replaced into the hot forming machine for die-changing, which is convenient for die-changing, improves the die-changing efficiency, and reduces the harm of heat radiation to the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic side view structure diagram provided by the embodiment of the present utility model;

[0018] Figure 2 It is a schematic top view structure diagram provided by the embodiment of the present utility model;

[0019] Figure 3 It is a second schematic top view structure diagram provided by the embodiment of the present utility model.

[0020] In the figure: 1, guide rail; 2, rack; 3, gear; 4, first servo motor; 5, lifting platform; 6, clamping arm; 7, support shaft; 8, second servo motor; 9, steering box; 10, guide post; 11, guide sleeve; 12, trolley chassis; 13, roller; 14, guide wheel; 15, third servo motor; 17, first lead screw; 18, sliding table; 19, first linear guide rail; 20, positioning cylinder; 21, fourth servo motor; 23, second lead screw; 24, second linear guide rail. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1 and Figure 2 , the present utility model provides a technical solution: a high-temperature automatic die-changing device for a hot forming hydraulic press, including

[0023] a trolley chassis 12, a guide rail 1 is installed at the bottom of the trolley chassis 12 in a limited sliding manner, a lifting platform 5 is arranged above the trolley chassis 12, the lifting platform 5 is in lifting transmission connection with the trolley chassis 12, a sliding table 18 is installed above the lifting platform 5 in a limited sliding manner, a first lead screw 17 is installed above the sliding table 18, both ends of the first lead screw 17 are in transmission connection with a clamping arm 6, the displacement direction of the clamping arm 6 is perpendicular to the direction where the sliding table 18 is located, and the sliding table 18 is used to drive the clamping arm 6 to move into the hot forming machine for die changing.

[0024] Please refer to Figures 1 to 3 , rollers 13 and guide wheels 14 are installed at the bottom of the trolley chassis 12, the rollers 13 and the guide wheels 14 are arranged alternately, positioning cylinders 20 are symmetrically and equally divided on both sides of the trolley chassis 12, and the output ends of the positioning cylinders 20 are in contact with the guide rail 1. The rollers 13 and the guide wheels 14 are used to support the trolley chassis 12 and at the same time facilitate the movement of the trolley chassis 12. When the positioning cylinder 20 is opened, the output end of the positioning cylinder 20 will be in contact with the guide rail 1, making it difficult for the trolley chassis 12 to move for positioning. A first servo motor 4 is installed on one side above the trolley chassis 12, a gear 3 is connected to the bottom of the first servo motor 4 in a transmission manner, a rack 2 is installed above the guide rail 1, and the rack 2 is in meshing transmission connection with the gear 3. When the first servo motor 4 drives the gear 3 to rotate, the gear 3 meshes and moves on the rack 2, facilitating the displacement of the trolley chassis 12.

[0025] A lifting platform 5 is arranged above the trolley chassis 12. Guide columns 10 are fixedly connected to the four corners at the bottom of the lifting platform 5. The bottom parts of the guide columns 10 are respectively sleeved with guide sleeves 11 in a limited manner. The guide sleeves 11 are fixedly installed above the trolley chassis 12. A second servo motor 8 and a steering box 9 are installed above the trolley chassis 12. The steering box 9 is in transmission connection with the second servo motor 8. The lifting platform 5 is driven to move up and down by the drive of the second servo motor 8 and the steering box 9.

[0026] Above the lifting platform 5, a fourth servo motor 21 is installed. The end of the fourth servo motor 21 is drivingly connected to a second lead screw 23. On both sides of the second lead screw 23, second linear guide rails 24 are provided. The second linear guide rails 24 are fixedly installed on the lifting platform 5. Above the second linear guide rails 24, a slide table 18 is slidably clamped in a limited manner. The slide table 18 is drivingly connected to the second lead screw 23. The fourth servo motor 21 drives the second lead screw 23 to rotate, and the second lead screw 23 cooperates with the second linear guide rails 24 to drive the slide table 18 to move horizontally.

[0027] At one end above the slide table 18, a third servo motor 15 is provided. The end of the third servo motor 15 is drivingly connected to a first lead screw 17. Both ends of the first lead screw 17 are respectively drivingly connected to clamping arms 6. A bearing block is provided in the middle of the first lead screw 17. The threads at both ends of the first lead screw 17 are arranged in opposite directions. A plurality of groups of first linear guide rails 19 are symmetrically arranged on both sides of the first lead screw 17. The bottoms of the clamping arms 6 are respectively slidably clamped in a limited manner with the first linear guide rails 19. The third servo motor 15 is used to drive the two clamping arms 6 to approach each other for clamping the mold. At one end above the lifting platform 5, a support shaft 7 is fixedly installed. The support shaft 7 is symmetrically installed at the end of the lifting platform 5 and is symmetrically arranged with the slide table 18.

[0028] Working principle: When changing the mold, the first servo motor 4 drives the belt gear 3 to rotate. The gear 3 meshes with the rack 2, so that the rack 2 cooperates with the gear 3 to drive the trolley chassis 12 to move on the guide rail 1. The trolley chassis 12 moves to the side of the hot forming machine. The lifting platform 5 is lifted and lowered in cooperation with the second servo motor 8, the steering box 9, the guide posts 10 and the guide sleeves 11. The lifting platform 5 is lifted to the height of the mold. The third servo motor 15 drives the first lead screw 17 to control the distance between the two clamping arms 6, so that the width of the clamping arms 6 corresponds to that of the mold. At this time, the fourth servo motor 21 drives the second lead screw 23 to drive the slide table 18 to move. The slide table 18 drives the clamping arms 6 to move into the hot forming machine. After moving to a suitable position, the lifting platform 5 rises and cooperates with the clamping arms 6 to remove the mold and place it at other workstations. At the same time, the clamping arms 6 cooperate with the movement to install the mold to be replaced in the hot forming machine for mold change.

[0029] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic high-temperature die-changing device for a hot forming hydraulic press, characterized in that, include The trolley chassis has a guide rail installed on its bottom for limiting sliding, a lifting platform is arranged above the trolley chassis, the lifting platform is connected to the trolley chassis for lifting transmission, a slide is installed on the lifting platform for limiting sliding, a first lead screw is installed above the slide, both ends of the first lead screw are transmission-connected with clamping arms, and the displacement direction of the clamping arm is perpendicular to the direction in which the slide is located.

2. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 1, characterized in that: Rollers and guide wheels are installed at the bottom of the trolley chassis, and the rollers and guide wheels are arranged alternately. Positioning cylinders are symmetrically and equally arranged on both sides of the trolley chassis, and the output ends of the positioning cylinders are in contact with the guide rails.

3. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 2, wherein: A first servo motor is installed on one side above the chassis of the trolley, a gear is transmission-connected to the bottom of the first servo motor, a rack is installed above the guide rail, and the rack is meshed and transmission-connected to the gear.

4. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 1, wherein: A lifting platform is arranged above the trolley chassis, and guide columns are fixedly connected to the four corners of the bottom of the lifting platform. The bottoms of the guide columns are respectively limited by guide sleeves, and the guide sleeves are fixedly installed above the trolley chassis. A second servo motor and a steering box are installed above the trolley chassis, and the steering box is transmission-connected to the second servo motor.

5. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 1, wherein: A fourth servo motor is installed above the lifting platform, and the end of the fourth servo motor is transmission-connected with a second lead screw. Second linear guides are arranged on both sides of the second lead screw. The second linear guides are fixedly installed on the lifting platform, and a slide is slidingly clamped above the second linear guide, and the slide is transmission-connected with the second lead screw.

6. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 1, characterized in that: A third servo motor is arranged at one end above the slide, an end of the third servo motor is transmission-connected with a first lead screw, and both ends of the first lead screw are transmission-connected with clamping arms respectively.

7. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 6, characterized in that: A bearing seat is arranged in the middle of the first lead screw, and threads at both ends of the first lead screw are arranged oppositely.

8. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 6, characterized in that: A plurality of first linear guide rails are symmetrically arranged on both sides of the first lead screw, and the bottoms of the clamping arms are respectively engaged with the first linear guide rails in a limited sliding manner.

9. The high-temperature automatic die-changing device for a hot forming hydraulic press according to claim 1, characterized in that: A support shaft is fixedly installed at one end above the lifting platform, and the support shaft is symmetrically installed at the end of the lifting platform and symmetrically arranged with the slide.

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