A preforming tool

Abstract

This utility model relates to the field of mechanical manufacturing technology and discloses a preforming fixture, including a control cabinet and a lower support. A feeding device is mounted on the top surface of the lower support, a moving device is mounted on the right side of the feeding device, and an upper support is mounted on the bottom of the feeding device. An upper mold pressing and forming device is installed inside the upper support, and a moving scanning mechanism is mounted on the right side surface of the upper support. The control cabinet is mounted on the left side of the lower support. This preforming fixture uses multiple servo electric cylinders to perform multi-stage molding of torsion-shaped parts, and combines scanning equipment and analysis software to achieve automatic detection, analysis, and forming of the workpiece. The entire production process is fast, smooth, and precise, greatly improving production efficiency and reducing manual intervention. The equipment has been optimized in design, achieving miniaturization and lightweighting while ensuring functionality, adapting to the processing needs of torsion-shaped parts of various sizes, and reducing the equipment's footprint.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing technology, specifically to a pre-forming tooling. Background Technology

[0002] Preforming fixtures are key devices used in industrial manufacturing for the preforming of materials. Their core function is to transform raw materials into intermediate forms that meet the requirements of subsequent processing through structural design.

[0003] Traditional preforming processes often rely heavily on manual labor, from initial workpiece positioning and fixing to multiple adjustments and monitoring during the molding process, all requiring direct human intervention. This manual labor-intensive production method not only increases labor costs but also leads to significantly low production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a preforming tooling to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a preforming fixture, including a control cabinet and a lower support, wherein a feeding device is installed on the top surface of the lower support, a moving device is installed on the right side of the feeding device, an upper support is installed at the bottom of the feeding device, an upper mold pressing and forming device is installed inside the upper support, a moving scanning mechanism is installed on the right side surface of the upper support, and the control cabinet is installed on the left side of the lower support.

[0006] The upper mold pressing forming device includes a servo electric cylinder. A connecting plate is installed at the bottom of the electric cylinder push rod of the servo electric cylinder. A guide post is installed on the top surface of the connecting plate. An upper mold is installed on the top surface of the connecting plate. A top plate is installed at the bottom of the servo electric cylinder. An electric cylinder fixing plate is installed on the bottom surface of the servo electric cylinder.

[0007] The moving device includes a lower mold, a moving platform is installed at the bottom of the lower mold, a mold fixing mechanism is installed at the bottom of the lower mold, and a lead screw connecting plate is installed on the bottom surface of the moving platform.

[0008] The mobile scanning mechanism includes a fixed plate, a linear slide is mounted on the right side surface of the fixed plate, a drag chain groove is mounted on the top surface of the linear slide, a scanning head is slidably connected to the right side of the linear slide, and a drag chain connecting plate is mounted on the top surface of the scanning head.

[0009] The feeding device includes a fixed base plate, with adjustable columns fixedly connected to the front and rear sides of the top of the fixed base plate. An oil trough plate is installed on the top surface of the fixed base plate, and a guide rail is installed on the top surface of the fixed base plate. A roller is installed on the inward side surface of the guide rail, and a blocking cylinder is installed on the right side of the guide rail.

[0010] Preferably, the control cabinet includes an electrical control cabinet assembly, with an electrical control panel mounted on the top of the assembly, control buttons mounted on the front, and ventilation openings at the bottom. The customized central control system is designed based on a Siemens programmable logic controller (PLC). Using a medium-to-large-sized Siemens PLC offers fast signal processing, significantly reducing system response time and thus improving production efficiency.

[0011] Preferably, the upper support includes an upper support frame, the inner wall of the upper support frame is equipped with a shielding plate, the bottom of the upper support frame is fixedly connected with a connecting fixing plate, and the right side surface of the upper support frame is equipped with a linear slide table fixing frame.

[0012] Preferably, the lower support includes an integral support frame, with bottom casters installed at the bottom of the integral support frame, a connecting plate two fixedly connected to the right side of the top surface of the integral support frame, a sealing plate installed in the middle of the integral support frame, and a movable lead screw installed at the top of the integral support frame.

[0013] Preferably, the mobile platform is connected to the surface of the roller, the mobile platform is slidably connected to the top of the guide rail, the mobile platform slides on the inner wall of the guide rail, and at the same time the bottom surface of the mobile platform rolls on the surface of the roller, which makes the movement of the mobile platform smoother.

[0014] Preferably, the fixed base plate is installed on the top surface of the overall support frame and on the bottom surface of the upper bracket frame, and the overall support frame can determine the positions of the fixed base plate and the upper bracket frame.

[0015] Preferably, the electrical control cabinet is installed on the left end of the overall support frame. The overall support frame can determine the position of the electrical control cabinet and can control other devices on the top of the overall support frame through the devices inside the electrical control cabinet. The electrical control cabinet adopts a standard control cabinet with an IP protection level, which can effectively prevent dust. The PLC, circuit breaker, and relay are centrally placed in the control cabinet for easy maintenance and repair.

[0016] Preferably, the fixing plate is installed on the right side surface of the linear slide table fixing frame, which can determine the position of the fixing plate and allow the scanning head on the right side of the fixing plate to perform scanning operations.

[0017] Preferably, the upper mold is located above the oil tank plate, allowing the upper mold and the lower mold to fit together, thereby enabling extrusion molding operations.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. This preforming fixture uses multiple servo electric cylinders to perform multi-stage molding of torsion-shaped parts, and combines scanning equipment and analysis software to achieve automatic detection, analysis, and forming of the workpiece. The entire production process is fast, smooth, and precise, greatly improving production efficiency and reducing manual intervention.

[0020] 2. This preforming tooling equipment has been optimized in design, achieving miniaturization and lightweighting while ensuring functionality. It can adapt to the processing needs of various sizes of torsional irregular parts, while reducing the equipment's footprint.

[0021] 3. This preforming fixture, through the cooperation of a moving scanning mechanism and a linear slide, allows the scanning head to perform a comprehensive scan of the workpiece and transmit the data to analysis software to determine whether the workpiece is defective. This integrated inspection method improves the quality control capability before workpiece forming.

[0022] 4. The preforming fixture uses a servo electric cylinder as the drive mechanism for the upper mold pressing system, and guides the electric cylinder push rod through the guide pillar to ensure the stability and accuracy of the molding process; at the same time, the design of the moving platform and the lead screw motor enables the mold to move quickly and be precisely positioned.

[0023] 5. This pre-forming fixture uses a Siemens medium-to-large-sized PLC as its core controller, and connects various subsystems via industrial Ethernet to achieve fully automated control. The system features fast response speed, strong scalability, and is equipped with a human-machine interface for operators to monitor the equipment's operating status in real time.

[0024] 6. This pre-forming fixture features a compact layout, with each functional module employing a modular design for easy maintenance and repair. Furthermore, the equipment is equipped with a three-color alarm system and caster brakes, further enhancing its safety and ease of use. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;

[0026] Figure 2 This is a three-dimensional schematic diagram of the control cabinet of this utility model;

[0027] Figure 3 This is a three-dimensional schematic diagram of the upper support of this utility model;

[0028] Figure 4 This is a three-dimensional schematic diagram of the upper mold pressing forming device of this utility model;

[0029] Figure 5 This is a three-dimensional schematic diagram of the mobile device of this utility model;

[0030] Figure 6 This is a three-dimensional schematic diagram of the lower support of this utility model;

[0031] Figure 7 This is a three-dimensional schematic diagram of the mobile scanning mechanism of this utility model;

[0032] Figure 8 This is a three-dimensional schematic diagram of the feeding device of this utility model.

[0033] In the diagram: 1. Control cabinet; 11. Electrical control panel; 12. Control button; 13. Overall electrical control cabinet; 14. Ventilation opening; 2. Upper bracket; 21. Upper bracket frame; 22. Covering plate; 23. Connecting fixing plate; 24. Linear slide table fixing frame; 3. Upper mold pressing forming device; 31. Servo electric cylinder; 32. Top plate; 33. Electric cylinder fixing plate; 34. Connecting plate one; 35. Guide column; 36. Upper mold; 4. Moving device; 41. Lower mold; 42. Moving platform; 43. Mold fixing mechanism; 44. Lead screw connecting plate; 5. Lower end bracket; 51. Overall support frame; 52. Sealing plate; 53. Moving lead screw; 54. Bottom casters; 55. Connecting plate two; 6. Moving scanning mechanism; 61. Fixing plate; 62. Scanning head; 63. Cable chain connecting plate; 64. Cable chain groove; 65. Linear slide; 66. Drive motor; 7. Feeding device; 71. Guide rail; 72. Oil tank plate; 73. Adjusting column; 74. Roller; 75. Blocking cylinder; 76. Fixed base plate. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Please see Figure 1-8 The present invention provides the following technical solution:

[0036] A preforming fixture includes a control cabinet 1 and a lower support 5. A feeding device 7 is installed on the top surface of the lower support 5, a moving device 4 is installed on the right side of the feeding device 7, an upper support 2 is installed at the bottom of the feeding device 7, an upper mold pressing and forming device 3 is installed inside the upper support 2, a moving scanning mechanism 6 is installed on the right side surface of the upper support 2, and the control cabinet 1 is installed on the left side of the lower support 5.

[0037] The upper mold pressing forming device 3 includes a servo electric cylinder 31. A connecting plate 34 is installed at the bottom of the electric cylinder push rod of the servo electric cylinder 31. A guide post 35 is installed on the top surface of the connecting plate 34. An upper mold 36 is installed on the top surface of the connecting plate 34. A top plate 32 is installed at the bottom of the servo electric cylinder 31. An electric cylinder fixing plate 33 is installed on the bottom surface of the servo electric cylinder 31.

[0038] The moving device 4 includes a lower mold 41, a moving platform 42 installed at the bottom of the lower mold 41, a mold fixing mechanism 43 installed at the bottom of the lower mold 41, and a screw connecting plate 44 on the bottom surface of the moving platform 42.

[0039] The mobile scanning mechanism 6 includes a fixed plate 61, a linear slide 65 is mounted on the right side surface of the fixed plate 61, a drag chain groove 64 is mounted on the top surface of the linear slide 65, a scanning head 62 is slidably connected to the right side of the linear slide 65, and a drag chain connecting plate 63 is mounted on the top surface of the scanning head 62.

[0040] The feeding device 7 includes a fixed base plate 76. Adjustable columns 73 are fixedly connected to the front and rear sides of the top of the fixed base plate 76. An oil groove plate 72 is installed on the top surface of the fixed base plate 76. The upper mold 36 is located above the oil groove plate 72, which allows the upper mold 36 and the lower mold 41 to fit together, thereby enabling extrusion molding. A guide rail 71 is installed on the top surface of the fixed base plate 76. A roller 74 is installed on the inward side surface of the guide rail 71. A moving platform 42 is connected to the surface of the roller 74. The moving platform 42 is slidably connected to the top of the guide rail 71. The moving platform 42 slides on the inner wall of the guide rail 71. At the same time, the bottom surface of the moving platform 42 rolls on the surface of the roller 74, which makes the movement of the moving platform 42 smoother. A blocking cylinder 75 is installed on the right side of the guide rail 71.

[0041] The control cabinet 1 includes an electrical control cabinet assembly 13. An electrical control panel 11 is mounted on the top of the electrical control cabinet assembly 13, control buttons 12 are mounted on the front of the electrical control cabinet assembly 13, and a ventilation opening 14 is provided at the bottom of the electrical control cabinet assembly 13. The customized central control system is designed based on a Siemens programmable logic controller (PLC). A medium-to-large-sized Siemens PLC is selected, which has a fast signal processing speed, greatly shortening the system response time and thus improving production efficiency.

[0042] The upper support 2 includes an upper support frame 21. A shielding plate 22 is installed on the inner wall of the upper support frame 21. A connecting fixing plate 23 is fixedly connected to the bottom of the upper support frame 21. A fixing base plate 76 is installed on the top surface of the overall support frame 51 and on the bottom surface of the upper support frame 21. The overall support frame 51 can determine the position of the fixing base plate 76 and the upper support frame 21. A linear slide table fixing frame 24 is installed on the right side surface of the upper support frame 21. A fixing plate 61 is installed on the right side surface of the linear slide table fixing frame 24. The linear slide table fixing frame 24 can determine the position of the fixing plate 61, allowing the scanning head 62 on the right side of the fixing plate 61 to perform scanning operations.

[0043] The lower support 5 includes an overall support frame 51. The bottom of the overall support frame 51 is equipped with bottom casters 54. A connecting plate 55 is fixedly connected to the right side of the top surface of the overall support frame 51. The electrical control cabinet 13 is installed on the left side of the overall support frame 51. The overall support frame 51 can determine the position of the electrical control cabinet 13 and can control other devices on the top of the overall support frame 51 through the devices inside the electrical control cabinet 13. The electrical control cabinet adopts a standard control cabinet with an IP54 protection level, which can effectively prevent dust. PLC, circuit breaker, and relay are centrally placed in the control cabinet for easy maintenance and repair. A sealing plate 52 is installed in the middle of the overall support frame 51, and a moving screw 53 is installed on the top of the overall support frame 51.

[0044] In use, the workpiece is placed inside the lower mold 41 manually and fixed inside the lower mold 41 by bolts, thereby determining the position of the workpiece.

[0045] After fixing the workpiece, the lower mold 41 is placed on the top surface of the moving platform 42, and the lower mold 41 and the mold fixing mechanism 43 are locked and fixed. This can determine the position of the lower mold 41 and ensure the accuracy of the workpiece forming.

[0046] The lead screw connecting plate 44 at the bottom of the moving platform 42 is threadedly connected to the moving lead screw 53, and the moving platform 42 is inserted into the interior of the guide rail 71.

[0047] The movable lead screw 53 rotates, which drives the lead screw connecting plate 44 to move. The lead screw connecting plate 44 drives the movable platform 42 to slide on the inner wall of the guide rail 71. At the same time, the bottom surface of the lead screw connecting plate 44 is connected to the roller 74. With the auxiliary support of the roller 74 and the guide rail 71, it moves to the bottom of the scanning head 62.

[0048] The drive motor 66 drives the internal device of the linear slide 65 to move back and forth.

[0049] The scanning head 62 starts working when the workpiece arrives at the position and scans the workpiece;

[0050] While the scanning head 62 is working, the linear slide moves the scanning head until the entire workpiece has been scanned.

[0051] The scanned data is sent to analysis software to determine whether the workpiece is defective and the data is recorded.

[0052] After scanning, the good workpiece is sent into the molding area, so that the mold fixing mechanism 43 is located directly above the oil tank plate 72, and the stop position is controlled by the blocking cylinder 75.

[0053] The electric cylinder push rod inside the servo electric cylinder 31 pushes the connecting plate 34 to move downward, and the connecting plate 34 drives the guide post 35 to move downward. The guide post 35 slides on the edge of the surface of the top plate 32 and the electric cylinder fixing plate 33.

[0054] The upper mold 36 is inserted into the interior of the lower mold 41, allowing the upper mold 36 and the lower mold 41 to process the workpiece. At the same time, starting from the root of the workpiece, the upper mold is pressed down in sequence according to the forming order to form the workpiece.

[0055] After the workpiece is formed, it is removed from the fixture by the moving platform 42 and taken out manually.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A preformed tooling, comprising a control cabinet (1) and a lower support (5), characterized in that: The top surface of the lower support (5) is equipped with a feeding device (7), the right side of the feeding device (7) is equipped with a moving device (4), the bottom of the feeding device (7) is equipped with an upper support (2), the inside of the upper support (2) is equipped with an upper mold pressing forming device (3), the right side surface of the upper support (2) is equipped with a moving scanning mechanism (6), and the control cabinet (1) is installed on the left side of the lower support (5). The upper mold pressing forming device (3) includes a servo electric cylinder (31), a connecting plate (34) is installed at the bottom of the electric cylinder push rod of the servo electric cylinder (31), a guide post (35) is installed on the top surface of the connecting plate (34), an upper mold (36) is installed on the top surface of the connecting plate (34), a top plate (32) is installed at the bottom of the servo electric cylinder (31), and an electric cylinder fixing plate (33) is installed on the bottom surface of the servo electric cylinder (31). The moving device (4) includes a lower mold (41), a moving platform (42) is installed at the bottom of the lower mold (41), a mold fixing mechanism (43) is installed at the bottom of the lower mold (41), and a screw connecting plate (44) is attached to the bottom surface of the moving platform (42). The mobile scanning mechanism (6) includes a fixed plate (61), a linear slide (65) is mounted on the right side surface of the fixed plate (61), a drag chain groove (64) is mounted on the top surface of the linear slide (65), a scanning head (62) is slidably connected to the right side of the linear slide (65), and a drag chain connecting plate (63) is mounted on the top surface of the scanning head (62). The feeding device (7) includes a fixed base plate (76), and adjustable columns (73) are fixedly connected to the front and rear sides of the top of the fixed base plate (76). An oil trough plate (72) is installed on the top surface of the fixed base plate (76). A guide rail (71) is installed on the top surface of the fixed base plate (76). A roller (74) is installed on the inward side surface of the guide rail (71). A blocking cylinder (75) is installed on the right side of the guide rail (71).

2. The preforming tooling according to claim 1, characterized in that: The control cabinet (1) includes an electrical control cabinet (13), an electrical control panel (11) is installed on the top of the electrical control cabinet (13), a control button (12) is installed on the front of the electrical control cabinet (13), and a ventilation opening (14) is provided at the bottom of the electrical control cabinet (13).

3. The preforming tooling according to claim 2, characterized in that: The upper support (2) includes an upper support frame (21), the inner wall of the upper support frame (21) is equipped with a shielding plate (22), the bottom of the upper support frame (21) is fixedly connected with a connecting fixing plate (23), and the right side surface of the upper support frame (21) is equipped with a linear slide table fixing frame (24).

4. A preforming tooling according to claim 3, characterized in that: The lower support (5) includes an integral support frame (51), with bottom casters (54) installed at the bottom of the integral support frame (51), a connecting plate (55) fixedly connected to the right side of the top surface of the integral support frame (51), a sealing plate (52) installed in the middle of the integral support frame (51), and a moving screw (53) installed at the top of the integral support frame (51).

5. A preforming tooling according to claim 4, characterized in that: The mobile platform (42) is connected to the surface of the roller (74) and is slidably connected to the top of the guide rail (71).

6. A preforming tooling according to claim 5, characterized in that: The fixed base plate (76) is installed on the top surface of the overall support frame (51) and the fixed base plate (76) is installed on the bottom surface of the upper bracket frame (21).

7. A preforming tooling according to claim 6, characterized in that: The electrical control cabinet (13) is installed on the left end of the overall support frame (51). The electrical control cabinet adopts a standard control cabinet with a protection level of IP54, which can effectively prevent dust. The PLC, circuit breaker and relay are placed in the control cabinet for easy maintenance and repair.

8. A preforming tooling according to claim 7, characterized in that: The fixing plate (61) is installed on the right side surface of the linear slide table fixing frame (24).

9. A preforming tooling according to claim 8, characterized in that: The upper mold (36) is located above the oil tank plate (72).

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