Door frame bending device

Abstract

The door frame bending device comprises a supporting unit, a positioning unit and a bending unit, the bending unit comprises a bending installation frame and two servo air cylinders, the bending installation frame comprises an air cylinder installation plate and two first supporting plates, the air cylinder installation plate is installed at the upper ends of the two first supporting plates, and the two servo air cylinders are installed on the air cylinder installation plate. The two servo air cylinders are installed at the upper end of the air cylinder installation plate, first output shafts of the servo air cylinders penetrate through the air cylinder installation plate, the bottoms of the first output shafts are connected with first connecting blocks, the first connecting blocks are connected with second connecting blocks, the lower portions of the second connecting blocks are connected with third connecting blocks through first supports, and limiting blocks are installed at the bottoms of the third connecting blocks. Two first sliding blocks are installed on the outward side of the first support and are in sliding connection with first guide rails, and the first guide rails are installed on one side of the first supporting plate. The positioning unit is mounted on the supporting unit; one end of the supporting unit is located between the two first supporting plates. After the door frame assembly is welded, the whole door frame assembly is bent, and the size consistency of the bent door frame assembly is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to door frame bending technical field, concretely relates to a door frame bending device. BACKGROUND

[0002] For the door frame of the subway car door, the original door frame bending is carried out to each single piece, then each single piece is corrected, then the door frame assembly is welded, and after welding is completed, correction is needed again due to welding deformation, so that more processes are caused, and the bending size consistency is poor. UTILITY MODEL CONTENTS

[0003] The utility model provides a door frame bending device, after door frame assembly welding is completed, the whole is bent, and the size consistency of the door frame assembly after bending is guaranteed.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The door frame bending device comprises a supporting unit, a positioning unit and a bending unit, wherein:

[0006] The bending unit comprises a bending mounting frame and two servo air cylinders, the bending mounting frame comprises a cylinder mounting plate and two support plates one, the cylinder mounting plate is installed at the upper end of the two support plates one, the two servo air cylinders are installed at the upper end of the cylinder mounting plate, the output shaft one of the servo air cylinder passes through the cylinder mounting plate, the bottom of the output shaft one is connected with the connecting block one, the connecting block one is connected with the connecting block two, the lower side of the connecting block two is connected with the connecting block three through the support one, the bottom of the connecting block three is installed with a limiting block, two sliding blocks one are installed on the side of the support one away from the support, the sliding block one is slidably connected with the guide rail one, and the guide rail one is installed on the side of the support plate one;

[0007] The positioning unit is installed on the supporting unit;

[0008] One end of the supporting unit is located between the two support plates one.

[0009] Preferably, the upper end of the connecting block one is provided with a mounting groove one, the tail end of the output shaft one is installed at the mounting groove one, the lower end of the connecting block one is provided with a clamping groove one, the upper end of the connecting block two is located at the clamping groove one, the lower end of the connecting block one and the upper end of the connecting block two are connected through a connecting pin one, and the connecting block two and the limiting block are both T-shaped.

[0010] Preferably, the connecting block three comprises a connecting block three mounting plate and two ear plates one, the connecting block three mounting plate is installed at the lower end of the support one, the two ear plates one are installed at the lower end of the connecting block three mounting plate, the two ear plates one are parallel, and the upper end of the limiting block is connected with the two ear plates one through a connecting pin two.

[0011] Preferably, the positioning unit comprises positioning block one, positioning block two, positioning block three, positioning block four, pressing block one, pressing block two, pressing block three, pressing block four, two pressing arms one, pressing arm two and pressing arm three, the front ends of the positioning block two and the positioning block three are located below the limiting block of the pressing bending unit, the positioning block one is located at the rear end of the positioning block two, the positioning block four is located at the rear end of the positioning block three, the pressing block one is located on the rear end of the positioning block one, the pressing block two is located on the upper end of the positioning block two, the pressing block three is located on the upper end of the positioning block three, the pressing block four is located on the positioning block four, the rear ends of the pressing block one and the pressing block four are respectively installed on the output end of the clamping cylinder through the pressing arm two and the pressing arm three, and the pressing block two and the pressing block three are respectively connected with the output end of the cylinder one through the pressing arm one.

[0012] Preferably, the top of the cylinder one is installed on the cylinder one mounting plate one, the two sides of the cylinder one mounting plate one are installed on one side of the supporting unit through the cylinder one mounting plate two, the output shaft of the cylinder one penetrates the cylinder one mounting plate one, the cylinder one mounting plate one is hinged with one end of the pressing arm one, the two sides of the pressing arm one are provided with the pressing arm one support plate one, the two pressing arm one support plate ones are connected with the pressing arm one support block through the connecting pin, and the pressing arm one support block is installed on one side of the supporting unit.

[0013] The clamping cylinder is installed on one side of the supporting unit through the clamping cylinder mounting plate.

[0014] Preferably, the rear end of the supporting unit is provided with a rear clamping device, the rear clamping device comprises a servo motor, the output end of the servo motor is connected with a pushing plate, the lower end of the pushing plate is provided with two sliding blocks two, the sliding blocks two are slidably connected with guide rails two, a pressing block five mounting plate is installed on the pushing plate, and a pressing block five is installed on the pressing block five mounting plate.

[0015] Preferably, the supporting unit is provided with a linear guide rail, two cylinder twos are installed on the linear guide rail, the output ends of the two cylinder twos are towards the positioning block one, the output ends of the two cylinder twos are respectively provided with an adapter block one and an adapter block two, a pressing block six is installed on the adapter block one, and a pressing block seven is installed on the adapter block two.

[0016] Preferably, the positioning block two is provided with two guide columns on one side, a positioning block five is sleeved on the guide columns, the other end of the positioning block five is connected with a positioning block five driving block, one end of a driving plate one is connected with the positioning block five driving block through a connecting pin, one end of two driving plates two is connected with a driving block through a connecting pin, the bottom of the driving block is connected with the output end of a cylinder three, and the two driving plates two are connected with a limiting block through a connecting pin.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] This invention effectively solves the problems of multiple processes, numerous equipment inputs, and inconsistent bending dimensions of parts, which lead to increased correction time for subsequent workers. This invention simplifies the process, reduces costs, ensures consistent part dimensions, and features a simple structure, high strength, durability, and easy installation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of an embodiment of the present utility model.

[0020] Figure 2 This is a schematic diagram of the bending unit in an embodiment of this utility model.

[0021] Figure 3 This is a schematic diagram of the bending unit from another perspective in an embodiment of this utility model.

[0022] Figure 4 This is a schematic diagram of the combination of the support unit and the positioning unit in an embodiment of this utility model.

[0023] Figure 5 This is a schematic diagram from another perspective after the support unit and positioning unit are combined in an embodiment of this utility model.

[0024] Figure 6 This is a top view of the assembly of the support unit and the positioning unit in an embodiment of this utility model.

[0025] Figure 7 This is a partial schematic diagram of an embodiment of the present utility model.

[0026] Figure 8 This is a partial schematic diagram of an embodiment of the present utility model.

[0027] Figure 9 This is a schematic diagram of a connecting block according to an embodiment of the present utility model.

[0028] Figure 10 This is a schematic diagram of the connecting block three in an embodiment of this utility model. Detailed Implementation

[0029] 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.

[0030] As shown in the figure, this utility model discloses a door frame bending device, including a support unit 1, a positioning unit 2, and a bending unit 3, wherein:

[0031] The press-bending unit 3 comprises a press-bending mounting frame 4 and two servo air cylinders 5, the press-bending mounting frame 4 comprises an air cylinder mounting plate 6 and two support plates 7, the air cylinder mounting plate 6 is mounted at the upper ends of the two support plates 7, the two servo air cylinders 5 are mounted at the upper end of the air cylinder mounting plate 6, the output shafts 51 of the servo air cylinders 5 pass through the air cylinder mounting plate 6, the bottom of the output shaft 51 is connected with a connecting block 8, the connecting block 8 is connected with a connecting block 9, the lower part of the connecting block 9 is connected with a connecting block 11 through a support 10, the bottom of the connecting block 11 is mounted with a limiting block 12, two sliding blocks 13 are mounted on the outward side of the support 10, the sliding blocks 13 are slidably connected with guide rails 14, and the guide rails 14 are mounted on one side of the support plate 7.

[0032] The positioning unit 2 is mounted on the supporting unit 1.

[0033] One end of the supporting unit 1 is located between the two support plates 7.

[0034] The supporting unit 1 is used for mounting the positioning unit 2. After welding, the door frame assembly is placed on the positioning unit 2 to complete positioning and fixing, then the two servo air cylinders 5 of the press-bending unit 3 work, the three servo air cylinders 5 are controlled individually, and the press-bending process of door frames with various angles and sizes can be met.

[0035] When the servo air cylinder 5 works, the connecting block 8 is pushed to move downwards, the connecting block 8 drives the connecting block 9 to move downwards, the connecting block 9 drives the support 10 to move downwards, the support 10 drives the connecting block 11 to move, the connecting block 11 moves downwards, drives the limiting block 12 to move downwards, and the limiting block 12 bends the door frame.

[0036] The sliding blocks 13 and the guide rails 14 are used for enabling the connecting block to move linearly downwards.

[0037] In an embodiment of the utility model, the upper end of the connecting block 8 is equipped with an installation groove 81, the tail end of the output shaft 51 is installed at the installation groove 81, the structure of the connecting block 8 is convenient for installing the output shaft 51. The lower end of the connecting block 8 is equipped with a clamping groove 82, the upper end of the connecting block 9 is located at the clamping groove 82, the lower end of the connecting block 8 and the upper end of the connecting block 9 are connected through a connecting pin 15, and the connecting block 9 and the limiting block 12 are both T-shaped.

[0038] In an embodiment of the utility model, the connecting block 11 comprises a connecting block 111 and two ear plates 112, the connecting block 111 is installed at the lower end of the support 12, the two ear plates 112 are installed at the lower end of the connecting block 111, the two ear plates 112 are parallel, and the upper end of the limiting block 12 is connected with the two ear plates 112 through a connecting pin 16.

[0039] In an embodiment of the utility model, positioning unit 2 includes a plurality of positioning block one 17, positioning block two 18, positioning block three 19, positioning block four 20, compression block one 21, compression block two 22, compression block three 23, compression block four 24, 2 compression arm one 25, compression arm two 26 and compression arm three 27, the front end of positioning block two 18 and positioning block three 19 is located below the limiting block 12 of bending unit, positioning block one 17 is located at the rear end of positioning block two 18, positioning block four 20 is located at the rear end of positioning block three 19, compression block one 21 is located on the rear end positioning block one 17, compression block two 22 is located on the upper end of positioning block two 18, compression block three 23 is located on the upper end of positioning block three 19, compression block four 24 is located on positioning block four 20, the rear end of compression block one 21 and compression block four 24 is installed respectively through compression arm two 26 and compression arm three 27 at the output end of clamping cylinder 28, and compression block two 22 and compression block three 23 are connected with the output end of cylinder one 29 through compression arm one 25 respectively.Positioning block one 17, the combination of positioning block two 18, positioning block three 19, positioning block four 20 is used for positioning the both sides of door frame, and compression block one 21, compression block two 22, compression block three 23, compression block four 24 compress the door frame, prevent the door frame from shaking or moving when bending the door frame, influence bending precision.Cylinder one 29 works, drives compression arm one 25 to move, finally drives compression block two 22 and compression block three 23 to move and compresses the upper end of door frame.Similarly, 2 clamping cylinders 28 work, drive compression block two 22 and compression block three 23 to move through compression arm two 26 and compression arm three 27, and compress the upper end of door frame.

[0040] In an embodiment of the utility model, the top of cylinder one 29 is installed on cylinder one mounting plate one 30, and the two sides of cylinder one mounting plate one 30 are installed on one side of supporting unit 1 through cylinder one mounting plate two 31, the output shaft of cylinder one 29 passes through cylinder one mounting plate one 31, cylinder one mounting plate one 31 is hinged with one end of compression arm one 25, and the two sides of compression arm one 25 are provided with compression arm one support plate one 32, two compression arm one support plate one 32 are connected with compression arm one support block 33 through connecting pin, and compression arm one support block 33 is installed on one side of supporting unit 1;Compression arm one 25 rotates around the connecting pin of installing compression arm one support plate one 32 as a whole.

[0041] Clamping cylinder 28 is installed on one side of supporting unit 1 through clamping cylinder mounting plate 34.

[0042] In an embodiment of the utility model, the rear end of supporting unit 1 is installed rear clamping device, and the rear clamping device includes servo motor 35, the output end of servo motor 35 is connected with push plate 36, the lower end of push plate 36 is installed with two sliding blocks two 37, sliding blocks two 37 are slidably connected with guide rail two 38, compression block five mounting plate 39 is installed on push plate 36, and compression block five 40 is installed on compression block five mounting plate.Servo motor 35 works, drives push plate 36 to move, finally drives compression block five 40 to move, and clamps the rear end of door frame.

[0043] In an embodiment of the utility model, linear guide rail 41 is installed on support unit 1, 2 cylinder two 42 are installed on linear guide rail 41, the output end of cylinder two 42 faces positioning block one 17, the output end of 2 cylinder two 42 installs adapter block one 43 and adapter block two 44 respectively, adapter block one 43 installs pressure block six 45, adapter block two 44 installs pressure block seven 46. Pressure block six 45 and pressure block seven 46 are used to press the door frame.

[0044] In an embodiment of the utility model, the side of positioning block two 18 is installed with 2 guide posts 47, positioning block five 48 is sleeved on guide post 47, the other end of positioning block five 48 is connected with positioning block five drive block 49, positioning block five drive block 49 is connected with the one end of drive plate one 50 through connecting pin, the one end of drive plate one 50 and 2 drive plate two 51 is connected with drive block 52 through connecting pin, the bottom of drive block 52 is connected with the output end of cylinder three 53, 2 drive plate two 51 is connected with limiting block 54 through connecting pin. Cylinder three 53 works, drives positioning block five 48 horizontal movement, and guide post 47 plays the guiding effect. Positioning block five 48 can be applicable to the size of a variety of door frames.

[0045] The above content is merely the example and the description of the structure of the utility model, and the skilled in the art of the technical field to the described specific embodiment makes various modifications or supplements or adopts similar way to replace, as long as not deviating from the structure of the utility model or beyond the range defined in the patent claim, should belong to the protection scope of the utility model.

Claims

1. A door frame bending device, characterized in that: It includes support units, positioning units, and bending units, among which: The bending unit includes a bending mounting bracket and two servo cylinders. The bending mounting bracket includes a cylinder mounting plate and two support plates. The cylinder mounting plate is installed on the upper end of the two support plates. The two servo cylinders are installed on the upper end of the cylinder mounting plate. The output shaft of the servo cylinder passes through the cylinder mounting plate. The bottom of the output shaft is connected to the connecting block. The connecting block is connected to the connecting block. The lower part of the connecting block is connected to the connecting block through the support. The bottom of the connecting block is equipped with a limiting block. Two sliders are installed on the outward side of the support. The sliders are slidably connected to the guide rail. The guide rail is installed on one side of the support plate. The positioning unit is mounted on the support unit; One end of the support unit is located between the two support plates.

2. The door frame bending device according to claim 1, characterized in that: The upper end of the connecting block 1 is provided with a mounting groove 1, the end of the output shaft 1 is installed in the mounting groove 1, the lower end of the connecting block 1 is provided with a slot 1 in the middle, the upper end of the connecting block 2 is located in the slot 1, the lower end of the connecting block 1 and the upper end of the connecting block 2 are connected by a connecting pin 1, and both the connecting block 2 and the limiting block are T-shaped.

3. The door frame bending device according to claim 2, characterized in that: The connecting block three includes a connecting block three mounting plate and two ear plates one. The connecting block three mounting plate is installed at the lower end of the support one, and the two ear plates one are installed at the lower end of the connecting block three mounting plate. The two ear plates one are parallel to each other, and the two ear plates one are connected to the upper end of the limiting block by connecting pin two.

4. The door frame bending device according to claim 1, characterized in that: The positioning unit includes several positioning blocks: positioning block 1, positioning block 2, positioning block 3, positioning block 4, clamping block 1, clamping block 2, clamping block 3, clamping block 4, and two clamping arms: clamping arm 1, clamping arm 2, and clamping arm 3. The front ends of positioning blocks 2 and 3 are located below the limiting blocks of the bending unit. Positioning block 1 is located at the rear end of positioning block 2, and positioning block 4 is located at the rear end of positioning block 3. Clamping block 1 is located on the rear end of positioning block 1, clamping block 2 is located at the upper end of positioning block 2, clamping block 3 is located at the upper end of positioning block 3, and clamping block 4 is located on positioning block 4. The rear ends of clamping blocks 1 and 4 are respectively installed at the output end of the clamping cylinder via clamping arms 2 and 3. Clamping blocks 2 and 3 are respectively connected to the output end of cylinder 1 via clamping arm 1.

5. The door frame bending device according to claim 4, characterized in that: The top of cylinder one is mounted on cylinder one mounting plate one. Both sides of cylinder one mounting plate one are mounted on one side of the support unit through cylinder one mounting plate two. The output shaft of cylinder one passes through cylinder one mounting plate one. Cylinder one mounting plate one is hinged to one end of pressure arm one. Pressure arm one support plate one is mounted on both sides of pressure arm one. The two pressure arm one support plates one are connected to pressure arm one support block through connecting pins. Pressure arm one support block is mounted on one side of the support unit. The clamping cylinder is mounted on one side of the support unit via a clamping cylinder mounting plate.

6. The door frame bending device according to claim 4, characterized in that: A rear clamping device is installed at the rear end of the support unit. The rear clamping device includes a servo motor. The output end of the servo motor is connected to the push plate. Two sliders are installed at the lower end of the push plate. The sliders are slidably connected to the guide rail. A clamping block five mounting plate is installed on the push plate. A clamping block five is installed on the clamping block five mounting plate.

7. The door frame bending device according to claim 4, characterized in that: The support unit is equipped with a linear guide rail, and two cylinders are mounted on the linear guide rail. The output end of cylinder 2 faces the positioning block 1. The output ends of the two cylinders are respectively mounted with adapter block 1 and adapter block 2. A clamping block 6 is mounted on adapter block 1, and a clamping block 7 is mounted on adapter block 2.

8. The door frame bending device according to claim 4, characterized in that: Two guide posts are installed on one side of the positioning block two. Positioning block five is sleeved on the guide posts. The other end of positioning block five is connected to the positioning block five drive block. Positioning block five drive block is connected to one end of drive plate one by a connecting pin. One end of drive plate one and two drive plates two are connected to the drive block by a connecting pin. The bottom of the drive block is connected to the output end of cylinder three. Two drive plates two are connected to the limiting block by a connecting pin.

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