Luggage frame bending device

Abstract

The utility model provides a luggage frame bending device which comprises two upper fixing clamps and two lower fixing clamps, the two upper fixing clamps are arranged in a left-right spaced mode, upper movable clamps corresponding to the upper fixing clamps are arranged on the upper sides of the upper fixing clamps, the luggage frame bending device further comprises two lower fixing clamps, the two lower fixing clamps are arranged in a left-right spaced mode, and a lower movable clamp is arranged on the left side of the lower fixing clamp on the left side. A lower movable clamp is arranged on the right side of the lower fixed clamp on the right side; the device further comprises an upper bending clamp corresponding to the upper fixing clamp and a lower bending clamp corresponding to the lower fixing clamp, and the upper bending clamp and the lower bending clamp can rotate and move. According to the bending device, the four fixing clamps are arranged, and in the bending process of the luggage middle frame, the four fixing clamps can be matched with the movable clamps to clamp and fix the luggage middle frame in the bending process, so that the forming quality of the luggage middle frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of middle frame manufacturing of travel cases, in particular to a case frame bending device. Background Art

[0002] The suitcase is composed of two case shells, and the edges of the case shells are provided with an annular, aluminum middle frame.

[0003] The middle frame is made of a long strip of aluminum profile. In the prior art, the aluminum profile is generally bent by a bending device to obtain a ring-shaped middle frame.

[0004] An existing bending processing device is: Figure 1 As shown, a long aluminum profile 01 is first clamped and fixed at points A and B on the aluminum profile 01 (the aluminum profile 01 is clamped and fixed on both sides of the aluminum profile 01 by a clamping device), and then the aluminum profile 01 outside points A and B is bent 90 degrees to obtain a U-shaped semi-finished product, and then the positions of points C and D on the semi-finished product are clamped and fixed, and then the aluminum profile 01 outside points C and D is bent 90 degrees to obtain a ring-shaped finished luggage middle frame.

[0005] In the above process, each time the bending process is performed, only two points on the aluminum profile 01 are clamped and fixed. The bent part of the aluminum profile is prone to shaking and moving, which ultimately affects the quality of the forming. Summary of the invention

[0006] In view of the problems pointed out in the background technology, the utility model proposes a bag frame bending device to solve the above technical problems.

[0007] The technical solution of the utility model is achieved in this way:

[0008] A bag frame bending device comprises two upper fixing clips, the two upper fixing clips are arranged at intervals on the left and right, and upper movable clips corresponding to the upper fixing clips are arranged on the upper side of the upper fixing clips.

[0009] It also includes two lower fixing clips, which are arranged at intervals on the left and right, a lower movable clip is arranged on the left side of the lower fixing clip on the left, and a lower movable clip is arranged on the right side of the lower fixing clip on the right;

[0010] It also includes an upper bending clip corresponding to the upper fixing clip, and a lower bending clip corresponding to the lower fixing clip. Both the upper bending clip and the lower bending clip can be rotated and moved.

[0011] The utility model is further configured that the upper movable clamp, the lower movable clamp, the upper bending clamp and the lower bending clamp all include an oil cylinder, and a clamping plate is connected to the piston rod of the oil cylinder.

[0012] The utility model is further configured to include an upper fixed plate, on which two upper fixed seats are spaced apart on the left and right sides, two upper fixed clamps are fixedly arranged on the two upper fixed seats respectively, the cylinder of the upper movable clamp is fixedly connected to the upper fixed seat, a rotatable upper rotating plate is provided on the upper fixed seat, and the cylinder of the upper bending clamp is fixedly connected to the upper rotating plate.

[0013] The utility model is further configured to include a lower fixed plate, on which two lower fixed seats are spaced apart on the left and right sides, two lower fixed clamps are respectively fixedly arranged on the two lower fixed seats, the oil cylinder of the lower movable clamp is fixedly connected to the lower fixed seat, a rotatable lower rotating plate is provided on the lower fixed seat, and the oil cylinder of the lower bending clamp is fixedly connected to the lower rotating plate.

[0014] The utility model is further configured that the lower fixing plate can be moved up and down to adjust the position.

[0015] The utility model is further configured such that the distance between the two lower fixing seats can be adjusted.

[0016] The utility model is further configured such that the distance between the two upper fixing seats can be adjusted.

[0017] The utility model is further configured as follows: an upper slide bar is provided on the upper fixed seat, an upper slide groove is provided on the upper fixed plate for slidingly cooperating with the upper slide bar, an upper driving block is provided between the two upper fixed seats, the two upper fixed seats are respectively connected to the upper driving block through upper connecting rods, the two ends of the upper connecting rods are respectively hinged to the upper fixed seat and the upper driving block, an upper driving cylinder is provided on the upper fixed plate for driving the upper driving block to move up and down, and the two upper slide bars are arranged in an inverted eight-shaped shape.

[0018] The utility model is further configured as follows: a lower sliding strip is provided on the lower fixed seat, a lower sliding groove is provided on the lower fixed plate for slidingly cooperating with the lower sliding strip, a lower driving block is provided between the two lower fixed seats, the two lower fixed seats are respectively connected to the lower driving block through lower connecting rods, the two ends of the lower connecting rods are respectively hinged to the lower fixed seat and the lower driving block, a lower driving cylinder is provided on the lower fixed plate for driving the lower driving block to move up and down, and the two lower sliding strips are arranged in an eight-shaped shape.

[0019] The utility model is further configured that an upper fixing clamp is provided on the upper driving block, and an upper movable clamp corresponding to the upper fixing clamp on the upper driving block is provided on the upper fixing plate.

[0020] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0021] The luggage frame bending device provided by the utility model is provided with four fixing clips. During the bending process of the luggage middle frame, the four fixing clips can cooperate with the movable clip to clamp and fix the luggage middle frame in the bending process, so as to improve the molding quality of the luggage middle frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a schematic diagram of the bending of the middle frame of a bag in the prior art.

[0024] Figure 2 It is a structural schematic diagram of the fixing plate and the fixing seat of the utility model.

[0025] Figure 3 It is a structural schematic diagram of the utility model.

[0026] Figure 4 It is a structural schematic diagram of the movable clamp of the utility model.

[0027] Figure 5 It is a structural schematic diagram of the bending clamp of the utility model.

[0028] Figure 6 It is a structural schematic diagram of the driving device for rotating the bending clamp of the utility model. DETAILED DESCRIPTION

[0029] 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 of 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.

[0030] For reference Figure 1-Figure 6 The utility model is described as follows:

[0031] Embodiment 1: A bag frame bending device comprises two upper fixed clamps 1, which are spaced apart from each other on the left and right sides. An upper movable clamp 2 corresponding to the upper fixed clamp 1 is provided on the upper side of the upper fixed clamp 1, and the upper movable clamp 2 can be moved up and down. The upper fixed clamp 1 cooperates with the upper movable clamp 2 to form a clamping structure, and the facing clamping surfaces of the upper fixed clamp 1 and the upper movable clamp 2 are parallel planes.

[0032] It also includes two lower fixed clips 3, which are arranged at intervals on the left and right. A lower movable clip 4 is provided on the left side of the lower fixed clip 3 on the left, and a lower movable clip 4 is provided on the right side of the lower fixed clip 3 on the right. The lower fixed clip 3 and the lower movable clip 4 cooperate to form a clamping structure, and the facing clamping surfaces of the lower fixed clip 3 and the lower movable clip 4 are parallel planes.

[0033] A positioning groove may be provided on the clamping surface, and the long strip of aluminum profile is constrained in the positioning groove and is clamped and fixed.

[0034] It also includes an upper bending clip 5 corresponding to the upper fixing clip 1. The upper bending clip 5 is arranged beside the upper fixing clip 1. The upper bending clip 5 located on the left side is arranged on the left side of the upper fixing clip 1, and the upper bending clip 5 located on the right side is arranged on the right side of the upper fixing clip 1.

[0035] It also includes a lower bending clip 6 corresponding to the lower fixing clip 3 , and the lower bending clip 6 is arranged on the lower side of the corresponding lower fixing clip 3 .

[0036] The upper bending clamp 5 and the lower bending clamp 6 can both be rotated and moved. When the aluminum profile is clamped and fixed, the upper bending clamp 5 and the lower bending clamp 6 rotate to bend the aluminum profile.

[0037] The upper movable clamp 2, the lower movable clamp 4, the upper bending clamp 5, and the lower bending clamp 6 all include an oil cylinder 7, and a clamping plate 8 is connected to the piston rod of the oil cylinder 7. The oil cylinder 7 drives the clamping plate 8 to reciprocate, and the clamping plate 8 cooperates with the fixed clamp to clamp and fix the aluminum profile.

[0038] It also includes an upper fixed plate 9, which is fixedly arranged on the equipment frame. Two upper fixed seats 10 are arranged on the upper fixed plate 9 at intervals on the left and right. Two upper fixed clamps 1 are fixedly arranged on the two upper fixed seats 10 respectively. The cylinder 7 of the upper movable clamp 2 is fixedly connected to the upper fixed seat 10. A rotatable upper rotating plate 11 is provided on the upper fixed seat 10. The cylinder 7 of the upper bending clamp 5 is fixedly connected to the upper rotating plate 11. The rotation of the upper rotating plate 11 drives the upper bending clamp 5 to rotate.

[0039] It also includes a lower fixed plate 12, on which two lower fixed seats 13 are spaced apart on the left and right sides, and two lower fixed clamps 3 are fixedly arranged on the two lower fixed seats 13 respectively, the oil cylinder 7 of the lower movable clamp 4 is fixedly connected to the lower fixed seat 13, and a rotatable lower rotating plate 14 is provided on the lower fixed seat 13, and the oil cylinder 7 of the lower bending clamp 6 is fixedly connected to the lower rotating plate 14, and the rotation of the lower rotating plate 14 drives the lower bending clamp 6 to rotate.

[0040] The lower fixed plate 12 can be moved up and down for position adjustment. The left and right sides of the upper fixed plate 9 are respectively provided with downwardly extending tracks 201. The upper end of the track 201 is fixedly connected to the upper fixed plate 9. The lower ends of the two tracks 201 are fixedly connected by a connecting beam 202. The lower fixed plate 12 is connected to the track 201 by sliding up and down. The connecting beam 202 is provided with a cylinder 203 for driving the lower fixed plate 12 to move up and down.

[0041] The distance between the two upper fixed seats 10 can be adjusted. The two upper fixed seats 10 are respectively provided with upper slide bars 15, and the two upper slide bars 15 are arranged in an inverted eight-shaped shape. The upper fixed plate 9 is provided with an upper sliding groove 16 that slides with the upper slide bars 15, and the two upper sliding grooves 16 are arranged in an inverted eight-shaped shape. An upper driving block 17 is provided between the two upper fixed seats 10. The two upper fixed seats 10 are respectively connected to the upper driving block 17 through an upper connecting rod 18, and the two ends of the upper connecting rod 18 are respectively hinged to the upper fixed seat 10 and the upper driving block 17. An upper driving cylinder 19 that drives the upper driving block 17 to move up and down is provided on the upper fixed plate 9. The upper driving cylinder 19 drives the upper driving block 17 to move up and down. The upper driving block 17 moves up and down and pulls the upper fixed seat 10 through the two upper connecting rods 18 to slide back and forth in the upper sliding groove 16, so that the two upper fixed seats 10 move closer to each other and move away from each other.

[0042] The distance between the two lower fixed seats 13 can be adjusted. The two lower fixed seats 13 are respectively provided with lower slide bars 20, and the two lower slide bars 20 are arranged in an eight-shaped shape. The lower fixed plate 12 is provided with a lower sliding groove 21 that slidably cooperates with the lower slide bars 20, and the two lower sliding grooves 21 are arranged in an eight-shaped shape. A lower driving block 22 is provided between the two lower fixed seats 13. The two lower fixed seats 13 are respectively connected to the lower driving block 22 through lower connecting rods 23, and the two ends of the lower connecting rods 23 are respectively hinged to the lower fixed seat 13 and the lower driving block 22. A lower driving cylinder 24 that drives the lower driving block 22 to move up and down is provided on the lower fixed plate 12. The lower driving cylinder 24 drives the lower driving block 22 to move up and down. The lower driving block 22 moves up and down, and the lower driving block 22 pulls the lower fixed seat 13 to slide back and forth in the lower sliding groove 21 through the two lower connecting rods 23, so that the two lower fixed seats 13 move closer to each other and move away from each other.

[0043] An upper fixed clip 1 is provided on the upper driving block 17, and an upper movable clip 2 corresponding to the upper fixed clip 1 on the upper driving block 17 is provided on the upper fixing plate 9. When the aluminum profile is bent, the upper fixed clip 1 on the upper driving block 17 and the other two upper fixed clips 1 on the upper fixing seat 10 are located at the same height, and when the upper driving block 17 moves up and down, the three upper fixing seats 10 move up and down synchronously. The upper fixed clip 1 on the upper driving block 17 and the upper movable clip 2 correspond to each other and can be used for positioning the aluminum profile or punching process holes.

[0044] The upper fixing seat 10 is hollow inside, and a driving device for driving the upper rotating plate 11 to rotate is arranged inside the upper fixing seat 10 .

[0045] The lower fixing seat 13 is hollow inside, and a driving device for driving the lower rotating plate 14 to rotate is disposed inside the lower fixing seat 13 .

[0046] The above-mentioned driving device includes a rotatable driving gear 31, which is rotatably connected to the upper fixed seat 10 or the lower fixed seat 13. The driving gear 31 is linked to the upper rotating plate 11 or the lower rotating plate 14 through a rotating shaft. The rotation of the driving gear 31 drives the upper rotating plate 11 or the lower rotating plate 14 to rotate. It also includes a driving rack 32 meshing with the driving gear 31. The driving rack 32 is in the shape of an elongated strip. The driving rack 32 is slidably connected to the upper fixed seat 10 or the lower fixed seat 13. It also includes a control cylinder 33 that drives the driving rack 32 to reciprocate. The driving rack 32 reciprocates to drive the driving gear 31 to rotate forward and reverse.

[0047] The bending process of the luggage frame is as follows:

[0048] Initially, the long strip of aluminum profile is placed on the upper side of the three upper fixing clamps 1, and the middle part of the aluminum profile corresponds to the upper fixing clamp 1 in the middle (the upper fixing clamp 1 in the middle is arranged on the upper driving block 17); the clamping plate 8 of the upper movable clamp 2 moves toward the upper fixing clamp 1 to clamp and fix the aluminum profile; the clamping plates 8 of the two upper bending clamps 5 move downward until they are in contact with the aluminum profile; the two upper bending clamps 5 are rotated again to bend the two ends of the aluminum profile downward by 90 degrees; the lower fixing plate 12 moves upward again, and the lower end of the bent aluminum profile is located on the lower side of the lower fixing clamp 3, and the clamping plate 8 of the lower movable clamp 4 moves toward the lower fixing clamp 3 to clamp and fix the aluminum profile; the clamping plates 8 of the two lower bending clamps 6 move toward the aluminum profile until they are in contact with the aluminum profile. The aluminum profiles are in a state of abutting contact; the two lower bending clamps 6 are rotated again to bend the two ends of the aluminum profile upward by 90 degrees to complete the bending of the luggage frame; the upper movable clamp 2, the lower movable clamp 4, the upper bending clamp 5, and the lower bending clamp 6 move away from the luggage frame again, releasing the clamping of the upper movable clamp 2, the lower movable clamp 4, the upper bending clamp 5, and the lower bending clamp 6 on the luggage frame; the upper driving block 17 moves downward again, and the lower driving block 22 moves upward again, so that the two upper fixed seats 10 move downward and move closer to each other, and the two lower fixed seats 13 move upward and move closer to each other, so that the two upper fixed seats 10 and the two lower fixed seats 13 shrink inward, releasing the clamping of the upper fixing clamp 1 and the lower fixing clamp 3 on the luggage frame, and the luggage frame can be taken out at this time.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 bag frame bending device, comprising two upper fixing clips (1), the two upper fixing clips (1) are arranged at intervals on the left and right, and an upper movable clip (2) corresponding to the upper fixing clip (1) is provided on the upper side of the upper fixing clip (1), characterized in that: It also comprises two lower fixing clips (3), the two lower fixing clips (3) are arranged at intervals on the left and the left side of the lower fixing clip (3) on the left is provided with a lower movable clip (4), and the right side of the lower fixing clip (3) on the right is provided with a lower movable clip (4); It also includes an upper bending clamp (5) corresponding to the upper fixing clamp (1), and a lower bending clamp (6) corresponding to the lower fixing clamp (3), and both the upper bending clamp (5) and the lower bending clamp (6) can be rotated and moved.

2. A bag frame bending device according to claim 1, characterized in that: The upper movable clamp (2), the lower movable clamp (4), the upper bending clamp (5), and the lower bending clamp (6) all comprise an oil cylinder (7), and a clamping plate (8) is connected to the piston rod of the oil cylinder (7).

3. A bag frame bending device according to claim 2, characterized in that: It also includes an upper fixed plate (9), two upper fixed seats (10) are arranged on the upper fixed plate (9) at intervals on the left and right, two upper fixed clamps (1) are fixedly arranged on the two upper fixed seats (10), respectively, the oil cylinder (7) of the upper movable clamp (2) is fixedly connected to the upper fixed seat (10), a rotatable upper rotating plate (11) is provided on the upper fixed seat (10), and the oil cylinder (7) of the upper bending clamp (5) is fixedly connected to the upper rotating plate (11).

4. The bag frame bending device according to claim 2, characterized in that: The invention also comprises a lower fixed plate (12), two lower fixed seats (13) are arranged on the lower fixed plate (12) at intervals on the left and right, two lower fixed clamps (3) are fixedly arranged on the two lower fixed seats (13), respectively, the oil cylinder (7) of the lower movable clamp (4) is fixedly connected to the lower fixed seat (13), a rotatable lower rotating plate (14) is arranged on the lower fixed seat (13), and the oil cylinder (7) of the lower bending clamp (6) is fixedly connected to the lower rotating plate (14).

5. A bag frame bending device according to claim 4, characterized in that: The lower fixing plate (12) can be moved up and down to adjust its position.

6. The bag frame bending device according to claim 4, characterized in that: The distance between the two lower fixing seats (13) can be adjusted.

7. The bag frame bending device according to claim 3, characterized in that: The distance between the two upper fixing seats (10) is adjustable.

8. The bag frame bending device according to claim 7, characterized in that: The upper fixed seat (10) is provided with an upper slide bar (15), the upper fixed plate (9) is provided with an upper slide groove (16) slidably matched with the upper slide bar (15), an upper driving block (17) is provided between the two upper fixed seats (10), the two upper fixed seats (10) are respectively connected to the upper driving block (17) through upper connecting rods (18), the two ends of the upper connecting rod (18) are respectively hinged to the upper fixed seat (10) and the upper driving block (17), the upper fixed plate (9) is provided with an upper driving cylinder (19) for driving the upper driving block (17) to move up and down, and the two upper slide bars (15) are arranged in an inverted eight-shaped shape.

9. The bag frame bending device according to claim 6, characterized in that: The lower fixed seat (13) is provided with a lower sliding bar (20), the lower fixed plate (12) is provided with a lower sliding groove (21) slidably matched with the lower sliding bar (20), a lower driving block (22) is provided between the two lower fixed seats (13), the two lower fixed seats (13) are respectively connected to the lower driving block (22) through lower connecting rods (23), the two ends of the lower connecting rod (23) are respectively hinged to the lower fixed seat (13) and the lower driving block (22), the lower fixed plate (12) is provided with a lower driving cylinder (24) for driving the lower driving block (22) to move up and down, and the two lower sliding bars (20) are arranged in an eight-shaped shape.

10. The bag frame bending device according to claim 8, characterized in that: An upper fixed clamp (1) is provided on the upper driving block (17), and an upper movable clamp (2) corresponding to the upper fixed clamp (1) on the upper driving block (17) is provided on the upper fixed plate (9).

Images