Prefabricated blank bending device with end positioning function

Abstract

The utility model discloses a prefabricated blank bending device with an end positioning function, which relates to the field of bending machines and comprises a mounting table, a folding opening is formed in the middle of the top of the mounting table, supporting columns are mounted at four corners of the bottom of the mounting table, and a positioning mechanism for fixing the end of a prefabricated blank is arranged above the top of the mounting table. The positioning mechanism comprises assembling frames, the two assembling frames are mounted at the two ends of the top of the mounting table correspondingly and located at the two ends close to the folding opening, guide sliding rods are fixedly mounted between the two assembling frames, the two ends of the outer sides of the two guide sliding rods are sleeved with guide sliding blocks correspondingly, and the guide sliding blocks on the two guide sliding rods are distributed in a pairwise corresponding mode; and mounting frames are respectively mounted above the guide sliding blocks which are distributed in a pairwise corresponding manner. By designing the positioning mechanism, the two ends of the prefabricated blank can be fixed when the prefabricated blank is bent by the bending machine, the situation that the prefabricated blank deviates due to the influence of bending pressure, the bending quality and the bending success rate are affected is prevented, and the rejection rate of prefabricated blank manufacturing is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a prefabricated blank bending device with end positioning. Background Art

[0002] A bending machine is a machine that can bend objects. Its structure mainly includes a bracket, a workbench and a clamping plate. The workbench is placed on the bracket. The workbench consists of a base and a pressure plate. It is a commonly used machine in people's production process and is widely used in various fields.

[0003] A heating bending machine with patent number CN219903306U comprises a workbench and a plurality of heating modules arranged on the workbench, slide grooves are installed on both sides of the workbench in the horizontal direction, the two slide grooves are concave structures with openings facing upwards and a lubrication mechanism is arranged on the inner side, bearing seats are vertically installed on both ends of the heating module, supporting wheels are installed at two corners at the lower end of the bearing seat, the lower surfaces of the supporting wheels contact the lower walls of adjacent slide grooves and are connected to the lubrication mechanism, a screw is installed through the side of the bearing seat away from the workbench, a hand wheel is installed at the end of the screw away from the workbench, and a gap is left between the hand wheel and the supporting wheel, the lubrication mechanism comprises a sponge strip bonded to the inner side of the slide groove in the horizontal direction, which can realize that the damaged heating module can be lifted upward by hand and replaced quickly, and the remaining heating modules are still working normally, which is convenient for improving the continuity of the operation of the heating bending machine. During use, there is a lack of a fixing mechanism for the ends of the bent objects, which makes the bent objects easy to move during the bending process.

[0004] When the bending machine bends the prefabricated blank, the prefabricated blank will move due to the bending pressure, which can easily cause the bending part of the prefabricated blank to deviate, making it impossible for the prefabricated blank to be accurately bent by the bending machine, thereby reducing the bending accuracy of the prefabricated blank. Utility Model Content

[0005] The utility model aims to provide a preform bending device with end positioning to solve the problem in the background technology that when the preform is subjected to bending pressure, the bending part of the preform is easily deviated, thereby affecting the bending accuracy of the preform.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a prefabricated blank bending device with end positioning, comprising a mounting platform, a folding opening is opened in the middle of the top of the mounting platform, and support columns are installed at the four corners of the bottom of the mounting platform;

[0007] A positioning mechanism for fixing the end of the preform is provided above the top of the mounting platform, and the positioning mechanism includes an assembly frame, two assembly frames are respectively installed at the two ends of the top of the mounting platform, and are located at the two ends near the folding mouth, a guide slide rod is fixedly installed between the two assembly frames, and guide sliding blocks are sleeved at the two ends of the outer sides of the two guide slide rods, and the guide sliding blocks on the two guide slide rods are distributed in pairs, and mounting frames are respectively installed above the guide sliding blocks distributed in pairs;

[0008] A bending mechanism for bending the prefabricated embryo is provided in the middle portion above the mounting platform. The bending mechanism comprises an assembling frame, and the assembling frame is fixedly mounted in the middle portion of the top portion of the mounting platform.

[0009] Furthermore, a bidirectional screw is installed between the two ends of the two mounting frame cavities, a clamping slider is sleeved and installed at both ends of the outer sides of the two bidirectional screws, and a clamping block is fixedly installed on the top of the clamping slider.

[0010] Furthermore, auxiliary openings are provided at both ends of the top of the assembly frame, a telescopic pole is installed at the top of the assembly frame cavity, and an assembly plate is installed at the bottom of the telescopic pole.

[0011] Furthermore, auxiliary rods are installed at both ends of the top of the assembly plate, and the tops of the two auxiliary rods pass through the auxiliary openings in a one-to-one correspondence.

[0012] Furthermore, L-shaped assembly frames are installed at both ends of one side of the top of the assembly plate, a positioning plate is installed on one side of the bottom of the assembly plate, and T-shaped slide bars are arranged in an array above one side of the positioning plate. The T-shaped slide bars slide one by one into the T-shaped slide grooves arranged in an array on the top of the bending block, and the bending block is located below the bottom of the assembly plate.

[0013] Furthermore, the tops of the two L-shaped assembly frames are each provided with a fixed rotation opening, and the two fixed rotation openings are each provided with a fixed stud, and the bottoms of the two fixed studs are respectively connected to the two ends of the top of the fixed plate, and the fixed plate is located on one side of the assembly plate, and the fixed plate and the positioning plate are distributed correspondingly.

[0014] Furthermore, movable grooves are correspondingly opened at both ends of the folding mouth, movable slide rods are installed between the two ends of the two movable groove cavities, movable sliders are correspondingly sleeved on one end of the outer sides of the two movable slide rods, a movable plate is installed between the two movable sliders, and a heating tube is installed on the top of the movable plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By designing a positioning mechanism, the two ends of the prefabricated blank can be fixed when the bending machine bends the prefabricated blank, preventing the prefabricated blank from deviating due to the bending pressure, affecting the bending quality and bending success rate, reducing the scrap rate of prefabricated blank production, and saving resources.

[0017] 2. Use the bidirectional screw to make the clamping slider on the bidirectional screw bring the clamping block closer to each other, fix the two ends of the prefabricated blank, and prevent the prefabricated blank from deviating during bending. At the same time, during bending, the two ends of the fixed prefabricated blank will extend the slide bar to move, which is convenient for coordinating the bending of the prefabricated blank.

[0018] 3. By designing the bending mechanism, it is convenient for users to replace the bending mold of the bending machine to bend the object, so as to prevent the bending mold from being damaged due to long-term bending, resulting in a decrease in bending quality.

[0019] 4. Turn the fixing stud, and the fixing stud will move up with the fixing plate, so that the T-shaped slide bar can be separated from the T-shaped slide groove of the bending block, and the bending block can be removed. It is convenient and quick, simple and easy to use, without the need to loosen or tighten multiple bolts, which improves the efficiency of replacement.

[0020] 5. By using the movable slider and the movable slide rod, the movable plate can move with the heating tube to the bottom of the bending block to heat the bending point of the prefabricated embryo, so that the plasticity of the bending point of the prefabricated embryo is increased and it is not easy to be damaged or broken during bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the installation platform of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the assembly frame of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the assembly frame of the utility model;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the fixing plate of the utility model;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the movable plate of the utility model.

[0027] In the figure: 1. Mounting table; 2. Folding mouth; 3. Support column; 4. Assembly frame; 5. Guide slide rod; 6. Guide slide block; 7. Mounting frame; 8. Assembly frame; 9. Auxiliary mouth; 10. Bidirectional screw; 11. Clamping slide block; 12. Clamping block; 13. Assembly plate; 14. Auxiliary rod; 15. Positioning plate; 16. T-shaped slide bar; 17. Bending block; 18. T-shaped slide groove; 19. Fixed swivel; 20. Fixed stud; 21. Fixed plate; 22. Moving groove; 23. Moving slide rod; 24. Moving slide block; 25. Moving plate; 26. Heating tube; 27. L-shaped assembly frame; 28. Telescopic pole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 6 The utility model provides the following technical solutions: a prefabricated blank bending device with end positioning, comprising a mounting platform 1, a folding opening 2 is opened in the middle of the top of the mounting platform 1, and support columns 3 are installed at the four corners of the bottom of the mounting platform 1;

[0030] Embodiment 1

[0031] like Figure 1-Figure 3 As shown, the device is designed with a positioning mechanism to fix the end of the preform when it is bent to prevent the preform from deviating during bending, as follows:

[0032] A positioning mechanism for fixing the end of the preform is provided above the top of the mounting platform 1, and the positioning mechanism includes an assembly frame 4, two assembly frames 4 are respectively installed at the two ends of the top of the mounting platform 1, and are located at the two ends near the folding mouth 2, and a guide slide bar 5 is fixedly installed between the two assembly frames 4, and guide slide blocks 6 are sleeved at both ends of the outer sides of the two guide slide bars 5, and the guide slide blocks 6 on the two guide slide bars 5 are distributed in pairs, and mounting frames 7 are respectively installed above the guide slide blocks 6 distributed in pairs;

[0033] A bidirectional screw 10 is installed between the two ends of the two mounting frames 7, and a clamping slider 11 is sleeved and installed at both ends of the outer sides of the two bidirectional screws 10, and a clamping block 12 is fixedly installed on the top of the clamping slider 11;

[0034] The bidirectional screw 10 cooperates with the clamping slide 11 to move the clamping block 12 to clamp the preform. At the same time, the bidirectional screw 10 moves the clamping slide 11 so that the bending machine can adapt to preforms of various sizes, thereby improving the adaptability of the bending machine.

[0035] Embodiment 2

[0036] like Figure 4-Figure 5 As shown in the figure, the equipment is convenient for replacing the bending die of the bending machine by designing the bending mechanism, as follows:

[0037] A bending mechanism for bending the prefabricated blank is provided in the middle of the top of the mounting platform 1, and the bending mechanism includes an assembly frame 8, which is fixedly installed in the middle of the top of the mounting platform 1, and auxiliary openings 9 are provided at both ends of the top of the assembly frame 8. A telescopic pole 28 is installed at the top of the cavity of the assembly frame 8, and an assembly plate 13 is installed at the bottom of the telescopic pole 28. Auxiliary poles 14 are installed at both ends of the top of the assembly plate 13, and the tops of the two auxiliary poles 14 pass through the auxiliary openings 9 one by one.

[0038] L-shaped assembly frames 27 are installed at both ends of one side of the top of the assembly plate 13, and a positioning plate 15 is installed at one side of the bottom of the assembly plate 13. T-shaped slide bars 16 are arranged in an array above one side of the positioning plate 15. The T-shaped slide bars 16 slide into the T-shaped slide grooves 18 arranged in an array on the top of the bending blocks 17 one by one, and the bending blocks 17 are located below the bottom of the assembly plate 13. Fixed turning ports 19 are opened on the tops of the two L-shaped assembly frames 27, and fixed studs 20 are sleeved in the two fixed turning ports 19. The bottoms of the two fixed studs 20 are respectively connected to the two ends of the top of the fixing plate 21, and the fixing plate 21 is located on one side of the assembly plate 13, and the fixing plate 21 is distributed correspondingly to the positioning plate 15.

[0039] The fixing plate 21 and the positioning plate 15 cooperate to prevent the T-shaped slide bar 16 from detaching from the T-shaped slide groove 18, and the bending block 17 is assembled under the assembly plate 13. The L-shaped assembly frame 27 is used to assemble the fixing studs 20 and control the fixing plate 21 to act on the T-shaped slide bar 16 to prevent it from detaching from the T-shaped slide groove 18.

[0040] Embodiment 3

[0041] like Figure 1 and Figure 6 As shown, the device increases the plasticity of the preform by heating the bending point of the preform, as follows:

[0042] The two ends of the folding mouth 2 cavity are provided with movable grooves 22, and movable slide bars 23 are installed between the two ends of the two movable grooves 22. The outer ends of the two movable slide bars 23 are sleeved with movable sliders 24, and a movable plate 25 is installed between the two movable sliders 24. A heating tube 26 is installed on the top of the movable plate 25.

[0043] The movable slider 24 moves on the movable slide bar 23, moves the heating tube 26 of the movable plate 25 to the bending point, and heats the bending point. After heating, the movable slider 24 moves on the movable slide bar 23 to move the movable plate 25 to one end of the cavity of the folding mouth 2 to prevent the movable plate 25 and the heating tube 26 from affecting the telescopic pole 28 to move the bending block 17 downward to bend the prefabricated embryo.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A preform bending device with end positioning, comprising a mounting platform (1), a folding opening (2) is provided in the middle of the top of the mounting platform (1), and support columns (3) are installed at the four corners of the bottom of the mounting platform (1); It is characterized in that A positioning mechanism for fixing the end of the preform is provided above the top of the mounting platform (1), and the positioning mechanism comprises an assembly frame (4), two assembly frames (4) are respectively installed at two ends of the top of the mounting platform (1), and are located at two ends near the folding opening (2), a guide slide bar (5) is fixedly installed between the two assembly frames (4), and guide sliding blocks (6) are sleeved at both ends of the outer sides of the two guide sliding bars (5), and the guide sliding blocks (6) on the two guide sliding bars (5) are distributed in pairs, and mounting frames (7) are respectively installed above the guide sliding blocks (6) distributed in pairs; A bending mechanism for bending the preform is provided in the middle portion above the mounting platform (1), and the bending mechanism comprises an assembly frame (8), and the assembly frame (8) is fixedly mounted in the middle portion of the top of the mounting platform (1).

2. A preform bending device with end positioning according to claim 1, characterized in that: A bidirectional screw rod (10) is installed between the two ends of the cavity of the two mounting frames (7), and a clamping slider (11) is sleeved and installed at both ends of the outer sides of the two bidirectional screw rods (10), and a clamping block (12) is fixedly installed on the top of the clamping slider (11).

3. A preform bending device with end positioning according to claim 1, characterized in that: Auxiliary openings (9) are provided at both ends of the top of the assembly frame (8), a telescopic pole (28) is installed at the top of the cavity of the assembly frame (8), and an assembly plate (13) is installed at the bottom of the telescopic pole (28).

4. A preform bending device with end positioning according to claim 3, characterized in that: Auxiliary rods (14) are installed at both ends of the top of the assembly plate (13), and the tops of the two auxiliary rods (14) pass through the auxiliary openings (9) in a one-to-one correspondence.

5. A preform bending device with end positioning according to claim 4, characterized in that: L-shaped assembly frames (27) are installed at both ends of one side of the top of the assembly plate (13), and a positioning plate (15) is installed on one side of the bottom of the assembly plate (13). T-shaped slide bars (16) are arranged in an array above one side of the positioning plate (15). The T-shaped slide bars (16) are slidably inserted into T-shaped slide grooves (18) arranged in an array on the top of the bending block (17), and the bending block (17) is located below the bottom of the assembly plate (13).

6. A preform bending device with end positioning according to claim 5, characterized in that: The tops of the two L-shaped assembly frames (27) are each provided with a fixed rotation opening (19), and the two fixed rotation openings (19) are each sleeved with a fixed stud (20), and the bottoms of the two fixed studs (20) are respectively connected to the two ends of the top of a fixed plate (21), and the fixed plate (21) is located on one side of the assembly plate (13), and the fixed plate (21) and the positioning plate (15) are distributed correspondingly.

7. The preform bending device with end positioning according to claim 1, characterized in that: The two ends of the folding mouth (2) cavity are correspondingly provided with movable grooves (22), and a movable slide rod (23) is installed between the two ends of the two movable grooves (22) cavity. A movable slider (24) is correspondingly sleeved on one end of the outer side of the two movable sliders (23), and a movable plate (25) is installed between the two movable sliders (24), and a heating tube (26) is installed on the top of the movable plate (25).

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