Bending machine capable of flexibly regulating and controlling bending angle

Abstract

The utility model relates to the technical field of bending machines, and discloses a bending machine with a bending angle capable of being flexibly regulated and controlled, which comprises a bending machine mechanism, a lower die mechanism, a first limiting mechanism and a second limiting mechanism, and is characterized in that the bottom end of the lower die mechanism is movably connected with the top end of the bending machine mechanism; the side face of the first limiting mechanism is fixedly connected with the inner wall of the side face of the bending machine mechanism. The two side templates are symmetrically distributed along the center of the connecting shaft, the intersection of the tops of the two side templates is located under the upper die, namely, the crease position, according to the use requirement, the two side templates rotate along the connecting shaft, the two side templates are kept at a proper angle, a plate needing to be bent is placed at the top ends of the two templates, and therefore the plate can be bent. And the bending machine operates to control the upper mold to move downwards to apply pressure to the plate and enable the bottom of the plate to be tightly attached to the top ends of the two mold plates, so that the plate is bent by a proper angle, and the flexibility of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, and more specifically to a bending machine with flexible control of bending angles. Background Art

[0002] A bending machine is a machine that can bend thin plates. It can bend metal plates into workpieces of various geometric cross-sectional shapes. It is a plate forming machine designed for cold rolled sheet metal processing. It is widely used in plate bending processing in industries such as automobiles, aircraft manufacturing, light industry, shipbuilding, containers, elevators, and railway vehicles. When the bending machine is running, the plate is placed on the lower die, and the bending machine drives the upper die to move downward so that the bottom of the plate is tightly attached to the groove of the lower die to achieve bending.

[0003] Insufficient existing technology: the existing bending machine cannot flexibly adjust the angle of the internal groove of the lower mold during use to achieve processing of different bending angles. At the same time, it cannot ensure the position of the crease during use. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a bending machine with flexible adjustment of the bending angle to solve the problems existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending machine with flexible bending angle control, including a bending machine mechanism, and also including: a lower die mechanism, a first limiting mechanism and a second limiting mechanism, the bottom end of the lower die mechanism is movably connected to the top end of the bending machine mechanism, the side of the first limiting mechanism is fixedly connected to the inner wall of the side of the bending machine mechanism, the side of the second limiting mechanism is fixedly connected to the inner wall of the side of the bending machine mechanism, the bending machine mechanism includes a base, the side of the base is fixedly connected to a processing table, the lower die mechanism includes two templates, The bottom end of the template is movably sleeved with a connecting shaft, and the bottom ends of the two templates are movably connected through the connecting shaft. The top of the template is provided with a tooth groove, and the side surfaces of the tooth groove on both sides are meshed with each other. The side surface of the connecting shaft is movably sleeved with the top end of the processing table. The structure of the first limiting mechanism is the same as that of the second limiting mechanism. The top of the base is provided with an inner cavity, and the side surface of the inner cavity is fixedly connected to the side surface of the first limiting mechanism. The side surface of the second limiting mechanism is fixedly connected to the side surface of the inner cavity. The second limiting mechanism and the first limiting mechanism are symmetrically distributed along the axis of the base.

[0006] Furthermore, a slide groove is provided at the top of the processing table, a bidirectional threaded rod is movably sleeved on the side of the slide groove, a first threaded block is threadedly connected to the side of the bidirectional threaded rod, the top of the first threaded block is movably connected to a support rod through a pin, the top of the support rod is movably connected to a connecting block through a pin, and the top of the connecting block is fixedly connected to the bottom end of the template.

[0007] Furthermore, a first servo motor is fixedly connected to the side of the slide groove, an output shaft of the first servo motor is fixedly connected to a first worm, a first worm gear is fixedly sleeved on the side of the bidirectional threaded rod, and the bottom end of the first worm gear is meshed with the top end of the first worm.

[0008] Furthermore, the first limiting mechanism includes an installation box, the side of the installation box is fixedly connected to the side of the inner cavity, the top of the installation box is provided with a through groove, the inner wall of the side of the installation box is movably sleeved with a one-way threaded rod, the side of the one-way threaded rod is threadedly connected to a second threaded block, the side of the second threaded block is movably connected to the side of the through groove, and the top of the second threaded block is fixedly connected to a limiting column.

[0009] Furthermore, a second servo motor is fixedly connected to the inner wall of the side of the installation box, and the output shaft of the second servo motor is fixedly connected to the second worm gear. The side of the one-way threaded rod is fixedly sleeved with a second worm gear, and the bottom end of the second worm gear is meshed with the top end of the second worm gear.

[0010] Furthermore, a position QR code is fixedly connected to the top of the installation box, and a position code reader is fixedly connected to the top of the second threaded block at a position corresponding to the position QR code.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model has two side templates symmetrically distributed along the center of the connecting axis, and the intersection of the tops of the two side templates is located directly below the upper mold, which is the crease position. According to the use requirements, the two side templates are rotated along the connecting axis to keep the two side templates at a suitable angle, and the plate to be bent is placed on the top of the two templates. The bending machine controls the upper mold to move downward to apply pressure to the plate and make the bottom of the plate close to the top of the two templates, so that the plate is bent at a suitable angle, which is conducive to improving the flexibility of the equipment.

[0013] 2. The utility model rotates the one-way threaded rod according to usage requirements, drives the second threaded block to slide along the side of the one-way threaded rod through the thread, so that the limit column and the lower mold mechanism maintain an appropriate distance. Similarly, the second limit mechanism is adjusted. When the plate is placed on the top of the lower mold mechanism, the side of the plate is tightly attached to the side of the limit column and the second limit mechanism, which is conducive to accurately controlling the crease position of the plate and the angle between the crease and the edge of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a side structural diagram of the lower mold mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the lower mold mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the first limiting mechanism of the utility model;

[0018] Figure 5 It is a schematic diagram of the internal structure of the installation box of the utility model.

[0019] The accompanying drawings are marked as follows: 1. bending machine mechanism; 101. base; 102. processing table; 103. slide groove; 104. inner cavity; 2. lower mold mechanism; 201. template; 202. connecting shaft; 203. support rod; 204. bidirectional threaded rod; 205. first threaded block; 206. first servo motor; 207. first worm; 208. connecting block; 209. tooth groove; 210. first worm gear; 3. first limiting mechanism; 301. installation box; 302. position two-dimensional code; 303. limiting column; 304. position code reader; 305. second threaded block; 306. one-way threaded rod; 307. through groove; 308. second worm gear; 309. second servo motor; 310. second worm; 4. second limiting mechanism. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are only examples. The bending machine with flexible bending angle control involved in the present invention is not limited to the structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0021] Reference Figures 1 to 5The utility model provides a bending machine with flexible bending angle control, including a bending machine mechanism 1, and also including: a lower die mechanism 2, a first limiting mechanism 3 and a second limiting mechanism 4, the bottom end of the lower die mechanism 2 is movably connected to the top of the bending machine mechanism 1, the side of the first limiting mechanism 3 is fixedly connected to the side inner wall of the bending machine mechanism 1, the side of the second limiting mechanism 4 is fixedly connected to the side inner wall of the bending machine mechanism 1, the bending machine mechanism 1 includes a base 101, the side of the base 101 is fixedly connected with a processing table 102, the lower die mechanism 2 includes two templates 201, the bottom end of the template 201 is movably sleeved with a connecting shaft 202, the bottom ends of the two templates 201 are movably connected through the connecting shaft 202, the top of the template 201 is provided with a tooth groove 209, the sides of the tooth grooves 209 on both sides are meshed with each other, the side of the connecting shaft 202 is movably sleeved with the top of the processing table 102, the first limiting mechanism 3 is fixedly connected to the side inner wall of the bending machine mechanism 1, the second limiting mechanism 4 is fixedly connected to the side inner wall of the bending machine mechanism 1, the bending machine mechanism 1 includes a base 101, the side of the base 101 is fixedly connected with a processing table 102, the lower die mechanism 2 includes two templates 201, the bottom end of the template 201 is movably sleeved with a connecting shaft 202, the bottom ends of the two templates 201 are movably connected through the connecting shaft 202, the top of the template 201 is provided with a tooth groove 209, the sides of the tooth grooves 209 on both sides are meshed with each other, the side of the connecting shaft 202 is movably sleeved with the top of the processing table 102 The structure of the first limiting mechanism 3 is the same as that of the second limiting mechanism 4. An inner cavity 104 is opened at the top of the base 101. The side of the inner cavity 104 is fixedly connected to the side of the first limiting mechanism 3. The side of the second limiting mechanism 4 is fixedly connected to the side of the inner cavity 104. The second limiting mechanism 4 and the first limiting mechanism 3 are symmetrically distributed along the axis of the base 101. The templates 201 on both sides are symmetrically distributed along the center of the connecting shaft 202, and the intersection of the tops of the templates 201 on both sides is located directly below the upper mold, which is the crease position. According to the use requirements, the templates 201 on both sides are rotated along the connecting shaft 202 to keep the templates 201 on both sides at a suitable angle. The sheet to be bent is placed on the top of the two templates 201. The bending machine controls the upper mold to move downward to apply pressure to the sheet and make the bottom of the sheet close to the top of the two templates 201, so that the sheet is bent at a suitable angle.

[0022] Among them, a slide groove 103 is provided at the top of the processing table 102, and a two-way threaded rod 204 is movably sleeved on the side of the slide groove 103, and the side of the two-way threaded rod 204 is threadedly connected to the first threaded block 205, and the top of the first threaded block 205 is movably connected to the support rod 203 through a pin, and the top of the support rod 203 is movably connected to the connecting block 208 through a pin, and the top of the connecting block 208 is fixedly connected to the bottom end of the template 201. The two-way threaded rod 204 rotates to drive the first threaded blocks 205 on both sides to slide along the side of the slide groove 103 through the thread, so that the bottom end of the support rod 203 rotates along the pin at the top of the first threaded block 205, and the top of the support rod 203 rotates along the pin at the bottom of the connecting block 208, thereby driving the templates 201 on both sides to rotate along the connecting shaft 202.

[0023] Among them, the side of the slide groove 103 is fixedly connected to the first servo motor 206, the output shaft of the first servo motor 206 is fixedly connected to the first worm 207, the side of the bidirectional threaded rod 204 is fixedly sleeved with the first worm gear 210, the bottom end of the first worm gear 210 is meshed with the top end of the first worm 207, the first servo motor 206 drives the first worm 207 to rotate, and the bidirectional threaded rod 204 is driven to rotate through the mutual meshing of the first worm 207 and the first worm gear 210, and the first worm 207 can drive the first worm gear 210 to rotate, and the first worm 207 can drive the first worm gear 210 to rotate, and the first worm gear 210 cannot drive the rotation characteristics of the first worm 207 to fix the angle of the template 201.

[0024] Among them, the first limiting mechanism 3 includes an installation box 301, the side of the installation box 301 is fixedly connected to the side of the inner cavity 104, the top of the installation box 301 is provided with a through groove 307, the side inner wall of the installation box 301 is movably sleeved with a one-way threaded rod 306, the side of the one-way threaded rod 306 is threadedly connected with a second threaded block 305, the side of the second threaded block 305 is movably connected to the side of the through groove 307, and the top of the second threaded block 305 is fixedly connected to the limiting column 303. According to usage requirements, the one-way threaded rod 306 is rotated to drive the second threaded block 305 to slide along the side of the one-way threaded rod 306 through the thread, so that the limiting column 303 and the lower mold mechanism 2 maintain a suitable distance. Similarly, the second limiting mechanism 4 is adjusted. When the plate is placed on the top of the lower mold mechanism 2, the side of the plate is tightly attached to the side of the limiting column 303 and the second limiting mechanism 4, thereby controlling the fold position of the plate and the angle between the fold and the edge of the plate.

[0025] Among them, a second servo motor 309 is fixedly connected to the inner wall of the side of the installation box 301, and the output shaft of the second servo motor 309 is fixedly connected to the second worm 310. The side of the one-way threaded rod 306 is fixedly sleeved with a second worm gear 308. The bottom end of the second worm gear 308 and the top end of the second worm gear 310 are meshed with each other. The second servo motor 309 drives the second worm 310 to rotate, and the one-way threaded rod 306 is driven to rotate through the mutual meshing of the second worm 310 and the second worm gear 308.

[0026] Among them, the top of the installation box 301 is fixedly connected with a position QR code 302, and the top of the second threaded block 305 is fixedly connected with a position reader 304 corresponding to the position of the position QR code 302. When the second threaded block 305 slides along the through groove 307, the position reader 304 scans the position QR code 302, so as to determine the distance between the limit column 303 and the lower mold mechanism 2, so as to facilitate the adjustment of the position of the fold of the plate.

[0027] The working principle of the utility model is as follows: according to the use requirements, the first servo motor 206 is determined to drive the first worm 207 to rotate, and the first worm 207 and the first worm gear 210 are meshed with each other to drive the bidirectional threaded rod 204 to rotate, and the first threaded blocks 205 on both sides are driven to slide along the side of the slide groove 103 through the thread, so that the bottom end of the support rod 203 rotates along the pin at the top of the first threaded block 205, and the top of the support rod 203 rotates along the pin at the bottom of the connecting block 208, thereby driving the templates 201 on both sides to rotate along the connecting shaft 202, and keeping the templates 201 on both sides at a suitable angle, starting the second servo motor 309 to drive the second worm 310 to rotate, and the one-way screw is driven by the second worm 310 and the second worm gear 308. The threaded rod 306 rotates, and the second threaded block 305 is driven to slide along the side of the one-way threaded rod 306 through the thread. At the same time, the position code reader 304 scans the position QR code 302 to determine the distance between the limit column 303 and the lower mold mechanism 2, so that the limit column 303 and the lower mold mechanism 2 maintain an appropriate distance. Similarly, the second limit mechanism 4 is adjusted. When the plate is placed on the top of the lower mold mechanism 2, the side of the plate is close to the limit column 303 and the side of the second limit mechanism 4, thereby controlling the fold position of the plate and the angle between the fold and the edge of the plate. The bending machine controls the upper mold to move downward to apply pressure to the plate and make the bottom of the plate close to the top of the two templates 201, so that the plate is bent at a suitable angle.

[0028] 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 bending machine with flexible bending angle control, comprising a bending machine mechanism (1), characterized in that: Also includes: A lower die mechanism (2), a first limiting mechanism (3) and a second limiting mechanism (4), wherein the bottom end of the lower die mechanism (2) is movably connected to the top end of the bending machine mechanism (1), the side of the first limiting mechanism (3) is fixedly connected to the inner wall of the side of the bending machine mechanism (1), and the side of the second limiting mechanism (4) is fixedly connected to the inner wall of the side of the bending machine mechanism (1), the bending machine mechanism (1) comprises a base (101), the side of the base (101) is fixedly connected to a processing table (102), the lower die mechanism (2) comprises two templates (201), the bottom end of the template (201) is movably sleeved with a connecting shaft (202), and the bottom ends of the two templates (201) are connected by a connecting shaft. The connecting shaft (202) is movably connected, the top of the template (201) is provided with a tooth groove (209), the side surfaces of the tooth groove (209) on both sides mesh with each other, the side surface of the connecting shaft (202) is movably sleeved with the top of the processing table (102), the structure of the first limiting mechanism (3) is the same as the structure of the second limiting mechanism (4), the top of the base (101) is provided with an inner cavity (104), the side surface of the inner cavity (104) is fixedly connected to the side surface of the first limiting mechanism (3), the side surface of the second limiting mechanism (4) is fixedly connected to the side surface of the inner cavity (104), and the second limiting mechanism (4) and the first limiting mechanism (3) are symmetrically distributed along the axis of the base (101).

2. A bending machine with flexible bending angle control according to claim 1, characterized in that: The top of the processing table (102) is provided with a slide groove (103), the side of the slide groove (103) is movably sleeved with a bidirectional threaded rod (204), the side of the bidirectional threaded rod (204) is threadedly connected with a first threaded block (205), the top of the first threaded block (205) is movably connected to a support rod (203) through a pin, the top of the support rod (203) is movably connected to a connecting block (208) through a pin, and the top of the connecting block (208) is fixedly connected to the bottom end of the template (201).

3. A bending machine with flexible bending angle control according to claim 2, characterized in that: A first servo motor (206) is fixedly connected to the side of the slide groove (103), an output shaft of the first servo motor (206) is fixedly connected to a first worm gear (207), a first worm gear (210) is fixedly sleeved on the side of the bidirectional threaded rod (204), and the bottom end of the first worm gear (210) is meshed with the top end of the first worm gear (207).

4. A bending machine with flexible bending angle control according to claim 1, characterized in that: The first limiting mechanism (3) comprises a mounting box (301), the side surface of the mounting box (301) being fixedly connected to the side surface of the inner cavity (104), the top of the mounting box (301) being provided with a through slot (307), the inner wall of the side surface of the mounting box (301) being movably sleeved with a one-way threaded rod (306), the side surface of the one-way threaded rod (306) being threadedly connected to a second threaded block (305), the side surface of the second threaded block (305) being movably connected to the side surface of the through slot (307), and the top of the second threaded block (305) being fixedly connected to a limiting column (303).

5. A bending machine with flexible bending angle control according to claim 4, characterized in that: A second servo motor (309) is fixedly connected to the inner wall of the side of the installation box (301), and the output shaft of the second servo motor (309) is fixedly connected to the second worm gear (310). A second worm gear (308) is fixedly sleeved on the side of the one-way threaded rod (306), and the bottom end of the second worm gear (308) is meshed with the top end of the second worm gear (310).

6. A bending machine with flexible bending angle control according to claim 4, characterized in that: A position two-dimensional code (302) is fixedly connected to the top of the installation box (301), and a position code reader (304) is fixedly connected to the top of the second threaded block (305) at a position corresponding to the position two-dimensional code (302).

Images