Rod piece positioning and bending device
By designing a rod positioning and bending device, and using an inductive sensor to detect the positioning of the rod, the bending process is ensured to be accurate before bending. This solves the problems of poor forming quality and mold damage during the bending process of L-shaped bent rods, and improves production quality and safety.
Patent Information
- Application Number
- CN202423304354.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the existing technology, during the bending process of L-shaped bending rods, abnormal material feeding is prone to occur, leading to poor forming quality and mold damage, which affects production quality and safety.
A rod positioning and bending device is designed, including a bending die, a bending drive assembly, and a positioning assembly. An inductive sensor is used to detect the positioning of the rod to ensure accurate positioning before bending. A hydraulic punch provides the pressing force and an emergency stop switch is provided to improve safety.
It achieves multi-dimensional precise positioning of L-shaped bending members, improves the quality of pressure bending and the reliability and safety of the device, and reduces the product defect rate and the risk of mold damage.
Smart Images
Figure CN223655808U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of machining, especially relates to a rod positioning and bending device. BACKGROUND
[0002] In the field of modern machining, rods are widely used as basic elements for constructing various mechanical structures and transmission systems. For example, they can be used as transmission components in mechanical transmission systems to transmit related mechanical movements, as components in various support structures (such as frames, grid structures, or supports) to provide necessary support force and stability, or as movement guide components in systems such as molds and sliders to ensure precise straight-line movement trajectories.
[0003] Depending on the application and the function to be achieved, there are many types of rods. For example, they can be classified as straight or curved based on their shape, or as plastic, metal, or other materials based on their material. Among them, in addition to straight rods, curved rods are also widely used in many applications. For example, in the automotive field, the automotive door lock pull rod used to connect the door handle and the lock mechanism to operate the door lock and unlock is a curved rod, which is crucial for ensuring the normal operation of the door lock system and ensuring vehicle safety.
[0004] There are many types of automotive door lock pull rods with different structural bending angles, such as Figure 1 As shown in the figure, an L-shaped curved rod is provided as a raw material, which includes a main shaft part and an end part. The main shaft part is the main part that needs to be bent and processed, and the end part is bent upward relative to the main shaft part. In the current production and processing, when the L-shaped curved rod is bent and processed, it is generally placed in the mold forming groove of the bending device by manual operation, then the device start button is pressed to drive the punch to press down, so that the main shaft part of the L-shaped curved rod is bent and formed, and finally the bent rod product is taken out. In the above production and processing process, it is easy to occur that the employee does not put the material into the forming groove when putting the material into the mold, or although it is put into the forming groove, the material position is offset, etc. abnormal situation of putting material, then press the device start button to drive the punch to press down, one is to affect the forming quality of the rod, the product rejection rate rises, two is easy to break the mold, cause the mold core to crack or collapse, etc. affect the reliability and safety of the bending device. INVENTION CONTENTS
[0005] The utility model provides a kind of rod positioning and bending device, can realize the accurate positioning and bending processing of rod, can improve production quality, and it is safer and more reliable. The specific technical scheme is as follows:
[0006] The utility model provides a kind of bar positioning and bending device, for the bending processing of L-shaped bending bar, the L-shaped bending bar includes main shaft part and the shaft end portion bent upward relative to the main shaft part, including bending die, bending drive assembly and positioning assembly;
[0007] The bending die includes upper die and lower die, the inner side of the upper die and lower die is correspondingly provided with upper groove and lower groove adapted to the main shaft part, and the upper groove and lower groove jointly form the bending forming groove of the main shaft part;
[0008] The bending drive assembly can drive the upper die to move up and down;
[0009] The positioning assembly includes main shaft part positioning plate and shaft end part positioning assembly;The main shaft part positioning plate is arranged on the lower die, and can limit the main shaft part located on the lower groove left and right;The shaft end part positioning assembly is arranged in front of the lower die, including first positioning baffle and second positioning baffle, the first positioning baffle can limit the shaft end part in front of the shaft end part, and the second positioning baffle can limit the shaft end part on the side of the shaft end part.
[0010] Further, the first positioning baffle and the second positioning baffle are correspondingly provided with first detection component and second detection component respectively, the first detection component can detect whether the front of the shaft end part is attached to the first positioning baffle, and the second detection component can detect whether the side of the shaft end part is attached to the second positioning baffle.
[0011] Further, the first detection component and / or second detection component are inductive sensors.
[0012] Further, it further includes alarm device electrically connected with the first detection component and the second detection component.
[0013] Further, the bending drive assembly is electrically connected with the first detection component and the second detection component.
[0014] Further, the number of the main shaft part positioning plate is two, and the front end and the rear end of the lower die are arranged respectively, and the front end and the rear end of the main shaft part located on the lower groove can be limited left and right respectively.
[0015] Further, the main shaft part positioning plate is V-shaped positioning plate.
[0016] Further, the number of the upper groove and the lower groove is two, and is correspondingly arranged on the left and right sides of the upper die and the lower die respectively;The number of the positioning assembly is also two groups, and is adapted to the position of the two lower grooves respectively.
[0017] Further, the press bending driving assembly comprises a hydraulic punch, a start button and a punch stroke adjusting assembly; the start button can drive the hydraulic punch to move downward, the hydraulic punch can drive the upper die to move up and down, and the punch stroke adjusting assembly can adjust the up and down movement stroke of the hydraulic punch.
[0018] Further, an emergency stop switch is further included, and the emergency stop switch can make the press bending driving assembly brake in emergency.
[0019] The rod positioning and press bending device provided by the utility model can realize accurate positioning of the L-shaped bending rod in multiple directions and multiple dimensions, and has good positioning effect; then the L-shaped bending rod which has been positioned is processed by the press bending die and the press bending driving assembly, so that the press bending forming quality of the L-shaped bending rod can be improved, and the reliability and safety of the rod positioning and press bending device can be improved.
[0020] Further, the first positioning baffle and the second positioning baffle are respectively provided with a first detection component and a second detection component, the first detection component and the second detection component can detect the fit condition of the front face and the side face of the shaft end and the first positioning baffle and the second positioning baffle; meanwhile, the first detection component and the second detection component are electrically connected with the press bending driving assembly, so that whether the press bending driving assembly drives the downward pressing action can be determined according to the detection result of the first detection component and the second detection component, the downward pressing action in the abnormal feeding condition can be avoided, and the safety and reliability of the rod positioning and press bending device can be further improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of an L-shaped bending rod.
[0022] Figure 2 It is a structural schematic diagram of a rod positioning and press bending device Figure 1 .
[0023] Figure 3 It is a structural schematic diagram of a rod positioning and press bending device Figure 2 .
[0024] Figure 4 It is a structural schematic diagram of a press bending die and a positioning assembly Figure 1.
[0025] Figure 5 Schematic diagram of the press bending die and the positioning assembly structure Figure 2 .
[0026] Figure 6 Schematic diagram of the positioning assembly in use Figure 1 .
[0027] Figure 7 Schematic diagram of the positioning assembly in use Figure 2 .
[0028] Figure 8 Schematic diagram of the main shaft part positioning plate structure.
[0029] Figure 9 Schematic diagram of the shaft end part positioning assembly structure.
[0030] The reference signs are as follows: 1 is an L-shaped bending rod, 11 is a main shaft part, 12 is a shaft end part, 2 is a press bending die, 21 is an upper die, 211 is an upper groove, 22 is a lower die, 221 is a lower groove, 3 is a press bending driving assembly, 31 is a hydraulic punch, 32 is a start button, 33 is a punch stroke adjusting assembly, 331 is a punch stroke up button, 332 is a punch stroke down button, 4 is a positioning assembly, 41 is a main shaft part positioning plate, 42 is a shaft end part positioning assembly, 421 is a first positioning baffle, 422 is a first detection component, 423 is a second positioning baffle, 424 is a second detection component, 5 is an alarm device, and 6 is a device emergency stop switch. DETAILED DESCRIPTION
[0031] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. For ease of explanation, the terms "front," "rear," "positive," "negative," "left," "right," "top," "bottom," "upper," "lower," "inner," "outer," and "inner" in this utility model indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model or limitations on the actual orientation of the product or device during production, use, sales, etc. In addition, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Furthermore, in the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," "fixing," and "composition," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0032] This utility model provides a rod positioning and bending device, which can realize the precise positioning and bending processing of L-shaped bent rod 1. Specifically, the structure of the L-shaped bent rod 1 is as follows: Figure 1 As shown, it includes a main shaft portion 11 and a shaft end portion 12. The main shaft portion 11 is the main body part that needs to be bent. The shaft end portion 12 is bent upward relative to the main shaft portion 11 (the upward bending mentioned here is only based on the orientation or positional relationship shown in the current figure. In fact, when bending downward, to the left, to the right, etc., it can eventually be bent upward after rotation. Therefore, the upward bending mentioned in this utility model does not represent a specific orientation, but includes the situation of bending in all directions). Of course, other similar structures can also be adapted for precise positioning and bending processing, which is not limited here.
[0033] like Figure 2 , Figure 3 As shown, the rod positioning and bending device includes a bending die 2, a bending drive assembly 3, and a positioning assembly 4, wherein:
[0034] like Figure 4 , Figure 5As shown, the press bending die 2 comprises an upper die 21 and a lower die 22, and the inner sides of the upper die 21 and the lower die 22 are respectively provided with an upper groove 211 and a lower groove 221 corresponding to the main shaft part 11, and the upper groove 211 and the lower groove 221 jointly form a press bending forming groove of the main shaft part 11, and when the upper die 21 is pressed downward toward the lower die 22, the main shaft part 1 of the L-shaped bending rod 1 in the press bending forming groove is press-bent and formed.
[0035] The press bending driving assembly 3 is a press bending power source of the rod positioning and press bending device, and can drive the upper die 21 to move up and down; when the press bending process is started, the upper die 21 is pressed downward toward the lower die 22 under the action of the press bending driving assembly 3, and after the press bending process is completed, the upper die 21 is lifted upward away from the lower die 22 under the action of the press bending driving assembly 3.
[0036] The positioning assembly 4 comprises a main shaft part positioning plate 41 and a shaft end part positioning assembly 42; specifically, the main shaft part positioning plate 41 is arranged on the lower die 22, can position the main shaft part 11 on the lower groove 221, and prevent the L-shaped bending rod 1 from moving left and right; the shaft end part positioning assembly 42 is arranged in front of the lower die 22, comprises a first positioning baffle 421 and a second positioning baffle 423, wherein the first positioning baffle 421 can position the shaft end part 12 in front of the shaft end part 12, and prevent the L-shaped bending rod 1 from moving forward; and the second positioning baffle 423 can position the shaft end part 12 on the side of the shaft end part 12, and prevent the L-shaped bending rod 1 from rotating.
[0037] The rod positioning and press bending device with the above structure can realize the positioning of the L-shaped bending rod 1 in multiple directions and multiple dimensions, and has good positioning effect. Figure 6 、 Figure 7 As shown, the main shaft part 11 of the L-shaped bending rod 1 is placed in the lower groove 221, so that the longitudinal (Z direction) positioning is realized; the L-shaped bending rod 1 is positioned in the left-right direction (X direction) by the main shaft part positioning plate 41; the L-shaped bending rod 1 is positioned in the front-rear direction (Y direction) by the first positioning baffle 421; and finally, the L-shaped bending rod 1 is prevented from rotating (also one dimension of X direction positioning) by the second positioning baffle 423, so that the accurate positioning of the L-shaped bending rod 1 in multiple directions and multiple dimensions is realized, and the positioning effect is good; then the L-shaped bending rod 1 which has been positioned is subjected to press bending processing by the press bending die 2 and the press bending driving assembly 3, so that the press bending forming quality of the L-shaped bending rod 1 is improved, and the reliability and safety of the rod positioning and press bending device are improved.
[0038] In some embodiments, as shown in Figure 9As shown, the first positioning baffle 421 is provided with a first detection component 422 which can detect whether the front of the shaft end portion 12 is attached to the first positioning baffle 421; the second positioning baffle 423 is provided with a second detection component 424 which can detect whether the side of the shaft end portion 12 is attached to the second positioning baffle 423.
[0039] With the above structure of the rod positioning and bending device, through the arrangement of the first detection component 422 and the second detection component 424, the attachment of the front and side of the shaft end portion 12 to the first positioning baffle 421 and the second positioning baffle 423 can be detected, so that the positioning of the L-shaped bending rod 1 in the Y direction and the X direction can be detected, and the positioning effect can be further improved and the production quality can be improved.
[0040] In some embodiments, the first detection component 422 and the second detection component 424 are inductive sensors; the inductive sensor can detect whether there is a metal object in contact by detecting the change of the surrounding magnetic field, and since the L-shaped bending rod 1 in the embodiment is a metal component, the inductive sensor can be used to detect whether the front and side of the shaft end portion 12 of the L-shaped bending rod 1 are attached to the positioning baffle; of course, one of the first detection component 422 or the second detection component 424 can be an inductive sensor, and the other can be another sensor, such as an optical sensor.
[0041] With the above structure of the rod positioning and bending device, the inductive sensor is used to detect whether the front and side of the shaft end portion 12 of the L-shaped bending rod 1 are attached to the positioning baffle, which has the advantages of high detection precision, strong anti-interference ability, safety and reliability, simple and flexible installation, etc.
[0042] In some embodiments, the rod positioning and bending device further comprises an alarm device 5 which is electrically connected to the first detection component 422 and the second detection component 424, can receive the signals emitted by the first detection component 422 and the second detection component 424, and start the alarm according to the signals of the first detection component 422 and the second detection component 424, including lighting, emitting alarm sound, etc.
[0043] With the above structure of the rod positioning and bending device, through the arrangement of the alarm device 5, the detection results of the first detection component 422 and the second detection component 424 can be more intuitively known, and whether the front and side of the shaft end portion 12 of the L-shaped bending rod 1 are attached to the positioning baffle can be more intuitively known, so that the operability and reliability of the rod positioning and bending device can be improved.
[0044] In some embodiments, the press-bending driving assembly 3 is electrically connected with the first detection component 422 and the second detection component 424, so that the press-bending driving assembly 3 can receive the signals sent by the first detection component 422 and the second detection component 424. When the first detection component 422 and the second detection component 424 detect that the front surface and the side surface of the shaft end portion 12 of the L-shaped bending rod member 1 are both attached to the positioning baffle, the signals sent by the first detection component 422 and the second detection component 424 allow the press-bending driving assembly 3 to start the downward pressing action. When the first detection component 422 and the second detection component 424 detect that the front surface and / or the side surface of the shaft end portion 12 of the L-shaped bending rod member 1 is not attached to the positioning baffle (including the case that the front surface of the shaft end portion 12 is not attached to the positioning baffle, the case that the side surface of the shaft end portion 12 is not attached to the positioning baffle, or the case that the front surface and the side surface of the shaft end portion 12 are not attached to the positioning baffle), the signals sent by the first detection component 422 and the second detection component 424 do not allow the press-bending driving assembly 3 to start.
[0045] With the above rod member positioning and press-bending device, the press-bending driving assembly 3 is electrically connected with the first detection component 422 and the second detection component 424, so that whether the press-bending driving assembly 3 drives the downward pressing action can be determined according to the detection results of the first detection component 422 and the second detection component 424. The downward pressing action in the case of abnormal feeding can be avoided, and the safety and reliability of the rod member positioning and press-bending device can be further improved.
[0046] In some embodiments, as shown in Figure 8 The number of the main shaft portion positioning plates 41 is two, and the main shaft portion positioning plates 41 are respectively arranged at the front end and the rear end of the lower die 22 to respectively left-right limit the front end and the rear end of the main shaft portion 11 located on the lower groove 221.
[0047] With the above rod member positioning and press-bending device, the number of the main shaft portion positioning plates 41 is set to two, and the main shaft portion positioning plates 41 are respectively arranged at the front end and the rear end of the lower die 22 to respectively left-right limit the front end and the rear end of the main shaft portion 11 located on the lower groove 221. The left-right limiting effect is better and more stable, and the positioning effect of the rod member positioning and press-bending device can be further improved.
[0048] In some embodiments, the main shaft portion positioning plates 41 are V-shaped positioning plates. The V-shaped positioning plates have better limiting effect, higher universality, are more convenient to place, and have better operability.
[0049] In some embodiments, the number of upper grooves 211 is two, respectively arranged on the left and right sides of the upper die 21, and correspondingly, the number of lower grooves 221 is also two, respectively arranged on the left and right sides of the lower die 22, thereby forming two left and right bending forming grooves; at the same time, correspondingly, the number of positioning assemblies 4 is also two, respectively adapted to the positions of the two lower grooves 221, and can limit the L-shaped bent rod member 1 in the two lower grooves 221 on the X and Y directions; in this embodiment, when the main shaft part positioning plate 41 is a V-shaped positioning plate, and the left and right V-shaped positioning plates are integrated, the whole is in W shape.
[0050] The rod positioning and bending device with the above structure can make the workers put the rods in both hands and start the bending process at the same time by arranging the number of upper grooves (211), lower grooves (221) and positioning assemblies (4) to be two, respectively on the left and right sides, and can realize the bending process of two L-shaped bent rod members 1 through one pressing action, thereby improving the production efficiency of the rod positioning and bending device.
[0051] In some embodiments, the bending driving assembly 3 includes a hydraulic punch 31, a start button 32 and a punch stroke adjusting assembly 33; the start button 32 can drive the hydraulic punch 31 to move downward, the hydraulic punch 31 can drive the upper die 21 to move up and down, and the punch stroke adjusting assembly 33 can adjust the lifting stroke of the hydraulic punch 31; wherein the punch stroke adjusting assembly 33 includes a punch stroke up button 331 and a punch stroke down button 332, the punch stroke up button 331 can up-regulate the lifting stroke of the hydraulic punch 31, and the punch stroke down button 332 can down-regulate the lifting stroke of the hydraulic punch 31.
[0052] The rod positioning and bending device with the above structure can provide strong pressing force through the downward driving action of the hydraulic punch 31, and can accurately control the pressing force and position, thereby ensuring safety and reliability; the lifting stroke of the hydraulic punch 31 can be adjusted through the punch stroke adjusting assembly 33, so that the degree of downward pressing of the upper die 21 can be controlled, thereby realizing different bending requirements of different workpieces, and the flexibility is higher.
[0053] In some embodiments, the rod positioning and bending device further includes a device emergency stop switch 6, which can make the bending driving assembly 3 emergency brake, so that when an emergency situation is encountered, emergency braking can be realized, the upper die 21 can be prevented from continuing to press down, and the safety of the rod positioning and bending device can be further improved.
[0054] The above embodiments are only preferred embodiments of the present application, and do not limit the scope of the present application, and equivalent changes made according to the shape, structure and principle of the present application should be covered in the protection scope of the present application.
Claims
1. A rod positioning and bending device for bending an L-shaped bent rod (1), the L-shaped bent rod (1) comprising a main shaft portion (11) and an end shaft portion (12) bent upward relative to the main shaft portion (11), characterized in that, It includes a bending die (2), a bending drive assembly (3), and a positioning assembly (4); The bending die (2) includes an upper die (21) and a lower die (22). The inner sides of the upper die (21) and the lower die (22) are respectively provided with an upper groove (211) and a lower groove (221) that are adapted to the main shaft part (11). The upper groove (211) and the lower groove (221) together form the bending forming groove of the main shaft part (11). The bending drive assembly (3) can drive the upper mold (21) to move up and down; The positioning component (4) includes a main shaft positioning plate (41) and a shaft end positioning component (42); the main shaft positioning plate (41) is disposed on the lower mold (22) and can limit the main shaft (11) located on the lower groove (221) to the left and right; the shaft end positioning component (42) is disposed in front of the lower mold (22) and includes a first positioning baffle (421) and a second positioning baffle (423). The first positioning baffle (421) can limit the shaft end (12) in front of the shaft end (12), and the second positioning baffle (423) can limit the shaft end (12) on the side of the shaft end (12).
2. The rod positioning and bending device according to claim 1, characterized in that, The first positioning baffle (421) and the second positioning baffle (423) are respectively provided with a first detection component (422) and a second detection component (424). The first detection component (422) can detect whether the front of the shaft end (12) is in contact with the first positioning baffle (421), and the second detection component (424) can detect whether the side of the shaft end (12) is in contact with the second positioning baffle (423).
3. The rod positioning and bending device according to claim 2, characterized in that, The first detection component (422) and / or the second detection component (424) are inductive sensors.
4. The rod positioning and bending device according to claim 2, characterized in that, It also includes an alarm device (5) electrically connected to the first detection component (422) and the second detection component (424).
5. The rod positioning and bending device according to claim 2, characterized in that, The bending drive assembly (3) is electrically connected to the first detection component (422) and the second detection component (424).
6. The rod positioning and bending device according to claim 1, characterized in that, There are two main shaft positioning plates (41), which are respectively set at the front end and rear end of the lower mold (22) and can respectively limit the front end and rear end of the main shaft (11) located on the lower groove (221).
7. The rod positioning and bending device according to claim 1, characterized in that, The main shaft positioning plate (41) is a V-shaped positioning plate.
8. The rod positioning and bending device according to any one of claims 1-7, characterized in that, The number of the upper groove (211) and the lower groove (221) are both two, respectively located on the left and right sides of the upper mold (21) and the lower mold (22); the number of the positioning components (4) is also two sets, respectively adapted to the positions of the two lower grooves (221).
9. The rod positioning and bending device according to any one of claims 1-7, characterized in that, The bending drive assembly (3) includes a hydraulic punch (31), a start button (32), and a punch stroke adjustment assembly (33); the start button (32) can drive the hydraulic punch (31) to move downward, the hydraulic punch (31) can drive the upper die (21) to move up and down, and the punch stroke adjustment assembly (33) can adjust the lifting stroke of the hydraulic punch (31).
10. The rod positioning and bending device according to any one of claims 1-7, characterized in that, It also includes a device emergency stop switch (6), which enables the bending drive assembly (3) to brake in an emergency.