A kind of glass fiber felt processing is with grabbing frock

Abstract

The application discloses a kind of glass fiber felt processing with grabbing tool, it is related to glass fiber felt grabbing laying technical field, including tool piece main body, tool piece main body is equipped with the left clamping arm and right clamping arm that can be relatively moved along horizontal direction, the end of left clamping arm and right clamping arm is equipped with limit hook, the both ends of glass fiber felt main body are fixedly connected with connecting rope, and connecting rope can be hung on limit hook;Tool piece main body has initial state, laying operation stage and laying completion stage in the process of grabbing and placing, by the left clamping arm and right clamping arm that can be relatively moved horizontally on tool piece main body, cooperate with the limit hook equipped with end, connect with the connecting rope connected with the both ends of glass fiber felt main body, utilize the inclined slope surface structure of limit hook lower inclined slot, make connecting rope form reliable self-lock under the action of transverse tension, realize the stable reliable of glass fiber felt main body grabbing process, without additional power element, can ensure that connecting rope does not accidentally fall off in the process of laying.

Description

Technical Field

[0001] This invention relates to the field of fiberglass mat gripping and laying technology, specifically to a gripping tool for processing fiberglass mat. Background Technology

[0002] Fiberglass mat is a flexible felt-like material made from glass fiber through combing, needle punching, or bonding. It is characterized by its soft texture, good toughness, light weight, and ease of installation. It is widely used in the lining protection, buffering and isolation, and foundation insulation of various box components. The flatness and positioning accuracy of its installation directly affect the installation quality of subsequent supporting components and the overall structural stability.

[0003] The fiberglass felt gripping fixture involved in this invention has the following process: the preceding step is a spraying station: after the fiberglass felt body completes the surface protective coating spraying operation at the dedicated spraying station, it is transferred from the spraying station to the designated box for laying through the dedicated gripping fixture; the subsequent step is an aluminum tube installation station: after the fiberglass felt body is laid in place and fixed in the box, the corresponding aluminum tubes are placed and assembled, connecting to the subsequent steps to complete the assembly process of the entire box component.

[0004] Therefore, the gripping fixture for fiberglass mat processing is a key piece of equipment connecting the spraying station and the aluminum tube installation station. Its gripping stability and laying accuracy directly determine the assembly efficiency and overall product quality of the fiberglass mat.

[0005] Currently, existing gripping fixtures still have many shortcomings in actual use, as follows: 1. Insufficient positioning accuracy, prone to offset and wrinkle problems: Existing gripping fixtures mostly adopt simple clamping or hanging gripping structures. After being transported to the top of the box, the fiberglass felt is directly placed, which makes it easy for the fiberglass felt to shift position during the fall. When it is attached to the bottom wall of the box, wrinkles and voids are easily generated, which cannot guarantee the flatness of the laying, and thus affects the subsequent placement accuracy of aluminum tubes.

[0006] 2. Poor reliability of self-locking gripping and easy to fall off during transportation: The existing tooling hook structure lacks a dedicated self-locking design. After the fiberglass felt is attached by the connecting rope, the connecting rope is prone to accidentally falling off during transportation due to factors such as tooling shaking and vibration, causing the fiberglass felt to fall and be damaged, resulting in material waste and affecting processing efficiency.

[0007] 3. Lack of phased laying function and poor bonding effect: The clamping arms of the existing tooling are mostly single-action mode, which cannot realize phased translation and tensioning action. They cannot drive the fiberglass felt body to gradually flatten and adhere to the bottom wall of the box, which easily leads to the edge of the fiberglass felt lifting and loose bonding, affecting the normal progress of subsequent processes.

[0008] 4. The unhooking action is not smooth or synchronized, which can easily damage the laying condition: The existing tooling is not designed properly for unhooking. Either the unhooking resistance is too high or the unhooking on both sides is not synchronized. After the material is laid, the connecting rope cannot be unhooked smoothly, or the unhooking will cause the already attached fiberglass felt to shift, which will damage the laying accuracy and require manual adjustment, increasing the number of work steps.

[0009] 5. Limited unhooking method and poor adaptability: Existing gripping fixtures cannot flexibly adjust the unhooking method according to the specifications of the fiberglass mat and the structural characteristics of the box, making it difficult to adapt to the gripping and laying needs under different working conditions, thus limiting their practicality.

[0010] Therefore, in view of this, the present invention proposes a gripping fixture for processing fiberglass mat to make up for and improve the deficiencies of the prior art. Summary of the Invention

[0011] To address the aforementioned technical problems, this invention provides a gripping fixture for processing fiberglass mat, thereby resolving the technical issues raised in the background section.

[0012] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a gripping fixture for processing fiberglass felt, used to grip and place the fiberglass felt body into a box, comprising a fixture body, wherein a left clamping arm and a right clamping arm that can move relative to each other in a horizontal direction are mounted on the fixture body, and a limit hook is mounted at the end of each of the left and right clamping arms; several connecting ropes are fixedly connected to both ends of the fiberglass felt body, and the several connecting ropes can be hooked onto the limit hooks; the fixture body has an initial state and a material laying operation stage during the gripping and placement process. In the initial state of the section and material laying completion stage, the distance between the left and right clamping arms is at its maximum, and the connecting rope is self-locked in the limiting hook under the lateral tension force, with the fiberglass felt body in a suspended state. In the material laying operation stage, the left and right clamping arms move in stages, causing the fiberglass felt body to gradually adhere to the bottom wall of the box body by first contacting the box body in the middle. In the material laying completion stage, the left and right clamping arms move closer to each other, the lateral tension force of the connecting rope gradually disappears, and it automatically disengages along the limiting hook, completing the laying operation of the fiberglass felt body in the box body.

[0013] Furthermore, the tooling body is equipped with a drive motor, which provides power for the horizontal relative movement of the left and right clamping arms, thereby realizing the phased translational tensioning and mutual approaching movements of the two clamping arms.

[0014] Furthermore, a horizontal groove is provided on the surface of the main body of the tooling component, and the left clamping arm and the right clamping arm are slidably assembled in the horizontal groove. The horizontal groove provides guidance and limitation for the horizontal movement of the left clamping arm and the right clamping arm, ensuring the coaxiality and stability of the relative movement of the two clamping arms.

[0015] Furthermore, the end of the limiting hook is integrally bent to form a downward sloping groove, which includes a vertical section extending inward from the end of the limiting hook and an inclined section extending downward from the end of the vertical section. The inclined section has a slope structure that gradually slopes downward in the direction away from the vertical section.

[0016] Furthermore, the tail of the tooling body is equipped with a driving robotic arm, which is used to drive the tooling body to complete vertical lifting and horizontal transfer operations, provide spatial position adjustment power for the tooling body, and cooperate with the horizontal movement of the left and right clamping arms to complete the process of laying the fiberglass felt body in the box.

[0017] Furthermore, the ends of the left and right clamping arms are each equipped with a hook workpiece, which includes a fixed hook end and a movable hook end. The fixed hook end is fixedly connected to the left and right clamping arms. The surfaces of the left and right clamping arms are provided with matching grooves corresponding to the positions of the movable hook ends. The movable hook end is rotatably connected to the left and right clamping arms through the matching grooves, which is used to hook the connecting rope and realize self-locking and unhooking actions.

[0018] Furthermore, in the initial state, the fixed end of the hook and the movable end of the hook are in contact with each other, and an upwardly inclined groove is formed at the point where they are in contact. The upwardly inclined groove has a gradually upwardly inclined slope structure along the direction close to the fixed end of the hook, and the groove cavity of the upwardly inclined groove has an overall arc transition design.

[0019] Furthermore, a gear shaft is mounted above the movable end of the hook, and the gear shaft is rotatably connected to the inner walls of the left clamping arm and the right clamping arm respectively, and the movable end of the hook rotates with the gear shaft as the rotation base point.

[0020] Furthermore, a rack is symmetrically assembled inside the main body of the tooling component. The rack is assembled inside the horizontal groove of the main body of the tooling component, and the rack is located on the movement path of the gear shaft and meshes with the gear shaft.

[0021] Furthermore, during the material laying stage, when the left clamping arm and the right clamping arm approach each other, the gear shaft rolls along the rack, causing the movable end of the hook to rotate around the gear shaft, changing the opening direction of the upper inclined slot, gradually eliminating the lateral tension of the connecting rope and automatically disengaging it, thus completing the laying operation of the fiberglass felt body.

[0022] Compared with the prior art, the beneficial effects of the present invention are: (1) This device uses the left and right clamping arms that can move horizontally relative to each other on the main body of the tooling, in conjunction with the limiting hooks assembled at the ends, and the connecting ropes connected to both ends of the fiberglass felt body. By utilizing the inclined slope structure of the lower inclined slot of the limiting hook, the connecting ropes form a reliable self-locking under the action of lateral tension, which realizes the stability and reliability of the fiberglass felt body gripping process. No additional power components are required to ensure that the connecting ropes do not accidentally fall off during the laying process. At the same time, through the mutual approach of the left and right clamping arms, the lateral tension of the connecting ropes gradually disappears, and they automatically slide out along the slope of the lower inclined slot to complete the unhooking. This perfectly coordinates the inherent mechanical contradiction between "firm gripping" and "clean unhooking", avoiding the problems of displacement, inward rolling or stretching deformation caused by pulling the fiberglass felt when unhooking traditional tooling. It greatly simplifies the tooling structure, reduces manufacturing costs and maintenance difficulty, and improves the reliability and stability of the laying operation.

[0023] In practical use, this device drives the robotic arm to lift and lower the tooling body vertically and transfer horizontally. It works in coordination with the phased horizontal movement of the left and right clamping arms. The horizontal grooves on the surface of the tooling body provide guidance and limits for the movement of the clamping arms, ensuring the coaxiality of the relative movement of the clamping arms and the uniform transmission of tension. This allows the fiberglass felt body to gradually extend and lay out the material, with the center first contacting the bottom wall of the box. This addresses the industry pain point of traditional overall lowering processes where the four corners collide first and the center is hollow. Through phased tensioning, the fiberglass felt body is smoothly flattened from the center to both sides, effectively improving the flatness and consistency of the material. The entire device adopts a purely mechanical linkage design with an extremely low failure rate. It is suitable for conventional fiberglass felt and medium-to-low speed production line scenarios. It can directly replace existing tooling without modifying the production line, and has extremely high versatility and adaptability. It can effectively improve production efficiency and reduce scrap rate.

[0024] (2) This device assembles a hook workpiece consisting of a fixed end and a movable end of the hook at the ends of the left and right clamping arms. It is combined with a gear shaft mounted above the movable end of the hook and a rack symmetrically arranged in the horizontal groove of the main body of the tooling. The meshing transmission structure of the two converts the horizontal linear motion of the left and right clamping arms into the fixed angle rotation motion of the movable end of the hook, realizing the controllable process of unhooking the connecting rope. This effectively avoids the impact load during unhooking, prevents the connecting rope from accumulating, misaligning, and the fiberglass felt body from rolling inward and shifting. At the same time, the upper inclined groove formed by the fit between the fixed end of the hook and the movable end of the hook continues the advantage of pure mechanical self-locking, ensuring the gripping stability of the connecting rope during the material laying process. It can realize the linkage between self-locking and unhooking without additional power components, further improving the reliability and controllability of the unhooking action.

[0025] In actual use, this device connects the movable end of the hook with the adapter groove between the left and right clamping arms, providing stable limiting and guidance for the rotation of the movable end of the hook. This ensures the coaxiality of the movable end of the hook rotating around the gear shaft. In conjunction with the meshing transmission between the gear shaft and the rack, the flipping action of the movable end of the hook is completely synchronized with the approaching action of the left and right clamping arms. This causes the connecting rope to gradually move away from the side wall of the box. When the movable end of the hook is fully flipped into place, the connecting rope drops to the position closest to the fiberglass felt body and completes the unhooking. This ensures that the connecting rope completely covers the fiberglass felt body, avoiding contamination or interference caused by contact with the box. At the same time, the arc transition design of the upward-sloping groove guides the connecting rope to slide out smoothly, further ensuring the neatness of the material after laying and improving the quality of the material.

[0026] This device, while retaining the core structural advantages of the tooling body, driving robotic arm, driving motor, and horizontal groove in Embodiment 1, only optimizes and improves the hook structure. It does not require any changes to the original overall structure and the preceding material laying process, and can be directly adapted to the original production line. The increase in cost is limited and the maintenance difficulty is low. It can meet the material laying requirements of high-load fiberglass mat and adapt to high-speed automation, high-precision and complex cavity material laying scenarios, which greatly improves the versatility of the device. At the same time, it maintains the high reliability of pure mechanical linkage and reduces the scrap rate and downtime risk in the production process. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the axial three-dimensional structure of the present invention.

[0028] Figure 2 This is a schematic diagram of the three-dimensional structure of the tooling component in Embodiment 1 of the present invention.

[0029] Figure 3 This is a schematic diagram of the initial state planar structure of the capture process in Embodiment 1 of the present invention.

[0030] Figure 4 This is a schematic diagram of the planar structure of the positioning state during the grasping process in Embodiment 1 of the present invention.

[0031] Figure 5 This is a schematic diagram of the planar structure of the downward shift state of the grasping process in Embodiment 1 of the present invention.

[0032] Figure 6 This is a schematic diagram of the planar structure of the unhooked state in the grabbing process in Embodiment 1 of the present invention.

[0033] Figure 7 This is a schematic diagram of the complete state planar structure of the capture process in Embodiment 1 of the present invention.

[0034] Figure 8 This is a schematic diagram of the three-dimensional structure of the tooling component in Embodiment 2 of the present invention.

[0035] Figure 9 This is a schematic diagram of the main planar structure of the tooling component in Embodiment 2 of the present invention.

[0036] Figure 10 This is a schematic diagram of the three-dimensional structure of the hook workpiece in Embodiment 2 of the present invention.

[0037] Figure 11 This is a schematic diagram of the planar structure of the unhooking point in the grasping process in Embodiment 2 of the present invention.

[0038] Figure 12 This is a schematic diagram of the initial planar structure of the hook workpiece in Embodiment 2 of the present invention.

[0039] Figure 13 This is a schematic diagram of the planar structure of the hook workpiece in use according to Embodiment 2 of the present invention.

[0040] The following are the labels in the diagram: 1. Tooling body; 11. Drive motor; 12. Horizontal groove; 13. Left clamping arm; 14. Right clamping arm; 15. Limiting hook; 151. Lower inclined slot; 152. Inclined section; 16. Fiberglass felt body; 161. Connecting rope; 17. Hook workpiece; 171. Hook fixed end; 172. Hook movable end; 173. Upper inclined slot; 18. Gear shaft; 19. Rack; 2. Drive robotic arm; 3. Box body. Detailed Implementation

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention. It should be noted that the drive robotic arm 2 in this device is designed according to existing technology, providing multi-degree-of-freedom posture drive function. It achieves power output through the existing multi-joint industrial robotic arm structure, driving the servo motors and reducers of each joint to work together to drive the tooling body 1 to complete spatial position adjustment, posture deflection and positioning. The drive components of each joint inside, such as servo motors, harmonic reducers, absolute encoders, rotary drive mechanisms of the rotating base, and connection structures of the end flanges, are only used to provide power and posture support for the tooling body 1 and do not involve the core improvement points of this invention.

[0042] The working principle and specific structure of the aforementioned driving robotic arm 2 are all existing technologies. Given the universality of these structures, their specific principles will not be described in detail below.

[0043] Example 1: Please refer to Figure 1 - Figure 3As shown, a gripping fixture for processing fiberglass mat is used to grip and place the fiberglass mat body 16 into a box 3. It includes a fixture body 1, on which a left clamping arm 13 and a right clamping arm 14, which can move relative to each other in the horizontal direction, are mounted. Limit hooks 15 are mounted at the ends of both the left and right clamping arms 13 and 14. Several connecting ropes 161 are fixedly connected to both ends of the fiberglass mat body 16, and these connecting ropes 161 can be hooked onto the limit hooks 15. The gripping and placing process of the fixture body 1 has an initial state, a material laying stage, and a material laying completion stage. The initial state... In the current state, the distance between the left clamping arm 13 and the right clamping arm 14 is at its maximum, and the connecting rope 161 is self-locked in the limiting hook 15 by the lateral tension force, and the fiberglass felt body 16 is in a suspended state; during the material laying operation, the left clamping arm 13 and the right clamping arm 14 move in stages, causing the fiberglass felt body 16 to gradually adhere to the bottom wall of the box 3 in such a way that the middle first contacts the box 3; during the material laying completion stage, the left clamping arm 13 and the right clamping arm 14 move closer to each other, the lateral tension force of the connecting rope 161 gradually disappears, and it automatically disengages along the limiting hook 15, completing the laying operation of the fiberglass felt body 16 in the box 3.

[0044] It should be noted that the tail of the tooling body 1 is equipped with a drive robotic arm 2. The drive robotic arm 2 is used to drive the tooling body 1 to complete the vertical lifting and horizontal transfer operations, provide the tooling body 1 with the power to adjust its spatial position, and cooperate with the horizontal movement of the left clamping arm 13 and the right clamping arm 14 to complete the process of laying the fiberglass felt body 16 in the box 3.

[0045] Please refer to Figure 2 - Figure 7 As shown, a drive motor 11 is mounted on the main body 1 of the tooling. The drive motor 11 provides power for the horizontal relative movement of the left clamping arm 13 and the right clamping arm 14, realizing the phased translational tensioning and mutual approaching action of the two clamping arms. A horizontal groove 12 is opened on the surface of the main body 1 of the tooling. The left clamping arm 13 and the right clamping arm 14 are slidably assembled in the horizontal groove 12. The horizontal groove 12 provides guidance and limit for the horizontal movement of the left clamping arm 13 and the right clamping arm 14, ensuring the coaxiality and stability of the relative movement of the two clamping arms.

[0046] It should be noted that the end of the limiting hook 15 is integrally bent to form a downward sloping groove 151. The downward sloping groove 151 includes a vertical section extending inward from the end of the limiting hook 15 and an inclined section 152 extending downward from the end of the vertical section. The inclined section 152 has a slope structure that gradually slopes downward in the direction away from the vertical section.

[0047] It should be added that in the conventional fiberglass felt laying process, in order to ensure that the fiberglass felt body 16 does not shift, fall off, or touch and scratch during the process of hanging down and vertically adhering to the bottom wall of the box 3, a large lateral tension force needs to be applied through the connecting rope 161 to make the connecting rope 161 tightly locked into the downward inclined groove 151 of the limiting hook 15 to form a self-locking mechanism, thereby ensuring reliable gripping. However, this will inevitably lead to excessive static friction between the connecting rope 161 and the slope surface of the inclined section 152. After the laying is completed, additional external force is required to achieve hook release, and it may even pull the fiberglass felt body 16 during hook release, causing it to shift, roll inward, or be stretched and deformed. Conversely, if the tension force is reduced or the hook constraint strength is lowered to facilitate hook release, the fiberglass felt body 16 will tilt or sway due to its own weight or airflow interference during the vertical lowering process, or even slip off the hook midway, resulting in laying failure or scrap.

[0048] Specifically, the complete workflow of the gripping fixture for processing fiberglass mat in this embodiment is detailed in stages as follows: In the initial state, this state is as follows: Figure 3 As shown, the main body 1 of the tooling has been transferred by the driven robotic arm 2 to a position directly above the box 3. The drive motor 11 drives the left clamping arm 13 and the right clamping arm 14 to move along the horizontal groove 12 in a direction away from each other to the maximum distance position. At this time, the two ends of the connecting rope 161 are respectively hooked into the limiting hooks 15 at the ends of the left and right clamping arms. Under the action of the maximum lateral tension force, the connecting rope 161 is tightly pressed into the downward inclined groove 151 of the limiting hook 15. The slope of the inclined section 152 of the downward inclined groove 151 forms a self-locking knot with the connecting rope 161. The greater the tension, the greater the normal pressure and friction of the connecting rope 161 on the slope, achieving complete locking of the connecting rope 161 and preventing accidental detachment during the paving process. At the same time, the fiberglass felt body 16 is in a symmetrical suspended state under the tension of the connecting rope 161. The horizontal groove 12 provides guidance and limitation for the left and right clamping arms at this stage, ensuring the coaxiality of the movement of the two clamping arms, making the tension of the connecting rope 161 evenly distributed, and preventing the fiberglass felt body 16 from tilting due to uneven force, thus establishing a stable foundation for subsequent precise paving.

[0049] Material laying stage: Figure 3Based on this, the drive robotic arm 2 synchronously drives the tooling body 1 to move vertically downwards, while the drive motor 11 drives the left clamping arm 13 and the right clamping arm 14 to move in a translating motion along the horizontal groove 12 towards each other. During the vertical downward movement of the tooling body 1, the middle part of the suspended fiberglass felt body 16 first contacts and adheres to the bottom wall of the box 3, completing the initial positioning of the material. During this stage, the downward inclined slot 151 of the limit hook 15 continuously maintains the self-locking state of the connecting rope 161, while constraining the movement path of the connecting rope 161, preventing the connecting rope 161 from touching and scratching the inner wall of the box 3, ensuring stable and reliable positioning. The synchronous approaching action of the left and right clamping arms synchronously adjusts the tension of the connecting rope 161, so that the fiberglass felt body 16 initially extends and spreads from the middle contact position to both sides of the box 3. The horizontal groove 12 continuously ensures the translational accuracy of the clamping arms, so that the tension force is evenly transmitted until the tooling body 1 moves down to the preset position, specifically corresponding to Figure 4 As shown, this stage ends, and the robotic arm 2 pauses its vertical downward movement to allow adjustment space for subsequent actions.

[0050] Phase Two of Material Laying Operation: Figure 4 Based on this, the drive robotic arm 2 remains stationary, while the drive motor 11 continues to drive the left clamping arm 13 and the right clamping arm 14 to continue moving closer to each other along the horizontal groove 12, gradually increasing the tension of the connecting rope 161 on the fiberglass felt body 16. Under the action of the tension, the fiberglass felt body 16 extends further from the middle bonding position to both sides of the box 3, converting more of the hanging shape into a state of bonding with the bottom wall of the box 3, specifically corresponding to... Figure 5 As shown.

[0051] Material laying completion preparation stage: In Figure 5 Based on this, the drive robotic arm 2 drives the tooling body 1 to move vertically downwards again, while the drive motor 11 drives the left clamping arm 13 and the right clamping arm 14 to continue moving towards each other along the horizontal groove 12; the continuous vertical lowering of the tooling body 1 causes the fiberglass felt body 16 to completely adhere to the bottom wall of the box 3, and the synchronous approaching action of the left clamping arm 13 and the right clamping arm 14 further tightens the connecting rope 161, so that the connecting rope 161 gradually becomes vertical and is hooked into the limiting hook 15, and the fiberglass felt body 16 gradually eliminates its drooping shape and finally completely adheres to the bottom wall of the box 3, specifically corresponding to Figure 6 As shown, during this stage, the downward inclined slot 151 of the limit hook 15 still maintains the self-locking state of the connecting rope 161, ensuring that the connecting rope 161 does not fall off prematurely, and ensuring that the fiberglass felt body 16 is stably positioned in the box 3. When this stage ends, the drive robot arm 2 stops its vertical movement.

[0052] exist Figure 6Based on this, the drive robotic arm 2 remains stationary, and the drive motor 11 continues to drive the left clamping arm 13 and the right clamping arm 14 to move closer to each other along the horizontal groove 12. As the distance between the two clamping arms continues to decrease, the lateral tension of the connecting rope 161 gradually decreases until it disappears completely. At this time, the connecting rope 161 is only subject to its own weight. Guided by the slope of the inclined section 152 of the inclined slot 151 under the limit hook 15, it automatically slides out of the limit hook 15, completing the unhooking action. The connecting rope 161 naturally falls to the inside of the fiberglass felt body 16, completing the fiberglass felt... During the laying operation of the main body 16 inside the box 3, the downward inclined slot 151 structure of the limit hook 15 achieves the mechanical linkage of "tension self-locking and loosening sliding out": it ensures firm gripping throughout the laying process, and after the laying is completed, it automatically unhooks without additional power by relying on the disappearance of tension force. This perfectly coordinates the mechanical contradiction between "firm gripping" and "clean unhooking", avoiding the problem of the fiberglass felt main body 16 flipping over and causing the fiberglass felt main body 16 to curl inward when unhooking. After the unhooking is completed, the drive robot arm 2 drives the tooling main body 1 to reset, ready for the next laying operation.

[0053] like Figure 7 As shown, this is the complete process flow of this embodiment: from the initial state of "farthest distance → maximum tension → self-locking", to the material laying stage of "synchronous lowering of the robotic arm + phased tensioning of the clamping arm → first contact in the middle → full-width bonding", and then to the material laying completion stage of "synchronous lowering and tightening → disappearance of tension force → unhooking along the inclined plane", each stage of action must be strictly executed in sequence and timing. The lifting action of the robotic arm 2 and the translational movement of the clamping arm must be coordinated. Any disruption of any step will cause the entire material laying function to fail.

[0054] This embodiment features instantaneous slip-out and disengagement, making it primarily suitable for standard-sized fiberglass felt bodies 16. These bodies have low weight and minimal tension fluctuations, making them controllable due to variations in the tension of the connecting rope 161 and the self-locking structure of the inclined slot 151 of the limiting hook 15, eliminating the risk of disengagement mid-process. Furthermore, this embodiment is compatible with semi-automatic or manual production lines with a gentle pace. In such lines, the arm's translational speed and the robotic arm's lifting speed are relatively smooth, ensuring stable movement of the fiberglass felt body 16 during its vertical descent and initial contact with the bottom wall of the housing 3, without significant impact loads. This allows for full utilization of the high reliability of the purely mechanical linkage structure. Additionally, this embodiment is suitable for cost-sensitive scenarios seeking a minimalist structure and low maintenance costs. It eliminates the need for complex kinematic pairs or electrical control components, resulting in low manufacturing costs and minimal maintenance. It is also fully compatible with existing standard-sized housing 3 material laying and auxiliary processes without high-precision requirements, directly replacing existing tooling without modifying the original production line process.

[0055] Example 2: Based on Example 1, please refer to... Figure 8 - Figure 13As shown, hook workpieces 17 are mounted on the ends of the left clamping arm 13 and the right clamping arm 14. The hook workpiece 17 includes a hook fixed end 171 and a hook movable end 172. The hook fixed end 171 is fixedly connected to the left clamping arm 13 and the right clamping arm 14. The surfaces of the left clamping arm 13 and the right clamping arm 14 are provided with matching grooves corresponding to the positions of the hook movable end 172. The hook movable end 172 is rotatably connected to the left clamping arm 13 and the right clamping arm 14 through the matching grooves, and is used to hook the connecting rope 161 and realize the self-locking and unhooking action.

[0056] It should be noted that, in the initial state, the fixed end 171 and the movable end 172 of the hook are in contact with each other, and an upwardly inclined groove 173 is formed at the contact point. The upwardly inclined groove 173 has a gradually upwardly sloping structure along the direction close to the fixed end 171 of the hook, and the groove cavity of the upwardly inclined groove 173 has an overall arc-shaped transition design. A gear shaft 18 is mounted above the movable end 172 of the hook. The gear shaft 18 is rotatably connected to the inner walls of the left clamping arm 13 and the right clamping arm 14, respectively, and the movable end 172 of the hook rotates around the gear shaft 18 as the rotation base point. The main body 1 of the fixture is symmetrically equipped with racks 19. The racks 19 are installed inside the horizontal groove 12 of the main body 1 of the fixture and are located on the movement path of the gear shaft 18 and mesh with the gear shaft 18. When the material laying is completed, when the left clamping arm 13 and the right clamping arm 14 approach each other, the gear shaft 18 rolls along the rack 19, which drives the hook movable end 172 to rotate around the gear shaft 18, so that the opening direction of the upper inclined groove 173 changes, the lateral tension of the connecting rope 161 gradually disappears and automatically disengages, completing the laying operation of the fiberglass felt main body 16.

[0057] Specifically, this embodiment improves upon Embodiment 1 by modifying the hook structure at the ends of the left clamping arm 13 and the right clamping arm 14. The initial state, the structural state during the material laying stage, and the component movement flow are completely consistent with Embodiment 1. Only the unhooking process during the material laying completion stage is optimized. The specific working principle is as follows: After the material is laid, as follows Figure 11 As shown, the fiberglass felt body 16 is completely attached to the bottom wall of the box 3, and the connecting rope 161 is in a vertical hanging state. At this time, the unhooking operation stage begins: the drive motor 11 drives the left clamping arm 13 and the right clamping arm 14 to move towards each other along the horizontal groove 12 of the tooling body 1. With the synchronous movement of the two clamping arms, the gear shaft 18 mounted above the hook movable end 172 performs meshing rolling motion along the rack 19 fixedly connected in the horizontal groove 12; under the meshing transmission action of the rack 19, the gear shaft 18 rotates counterclockwise synchronously around its own axis as the rotation center, thereby driving the hook movable end 172 with the gear shaft 18 as the rotation base point to perform synchronous deflection motion around the gear shaft 18, as shown. Figure 12As shown, the movable end 172 of the hook, which was originally in contact with the fixed end 171 of the hook to form an upwardly angled groove 173, gradually flips outward, and the opening direction of the upwardly angled groove 173 changes accordingly, as shown in the figure. Figure 13 As shown, the arc-shaped slope structure originally used to clamp the connecting rope 161 gradually releases the constraint on the connecting rope 161; during this process, as the left clamping arm 13 and the right clamping arm 14 continue to approach each other, the lateral tension of the connecting rope 161 gradually decreases until it disappears completely. Under its own gravity, it smoothly slides out of the hook workpiece 17 along the gradually opening upper inclined groove 173, completing the automatic unhooking action. The connecting rope 161 naturally falls to the inside of the fiberglass felt body 16, completing the laying operation of the fiberglass felt body 16 in the box 3.

[0058] The hook fixing end 171 is fixedly connected to the left and right clamping arms, providing a stable installation benchmark and limiting support for the hook moving end 172, ensuring the overall structural strength of the hook workpiece 17; the upper inclined groove 173 adopts an arc-shaped transition slope design, which can form a reliable self-locking structure with the connecting rope 161 during the material laying stage. The greater the tension, the greater the normal pressure and friction of the connecting rope 161 on the slope, preventing the connecting rope 161 from accidentally falling off during the material laying process. At the same time, during the unhooking stage, it can guide the connecting rope 161 to slide smoothly out along the slope, avoiding impact when unhooking. The meshing transmission structure of gear shaft 18 and rack 19 converts the horizontal linear motion of the left and right clamping arms into the fixed-angle rotation of the hook movable end 172, so that the unhooking amplitude is completely synchronized with the displacement of the clamping arms. As gear shaft 18 continues to mesh and roll along rack 19, hook movable end 172 rotates outward synchronously with gear shaft 18 as the rotation base point, gradually separating from hook fixed end 171. This process is completely synchronized with the mutual approaching action of the left and right clamping arms, driving the connecting rope 161 to gradually move away from the side wall of box 3, realizing the controllable process of unhooking of connecting rope 161.

[0059] When the movable end 172 of the hook is fully rotated and stops, the vertical height of the connecting rope 161 from the fiberglass felt body 16 is reduced to the minimum. At this time, the connecting rope 161 is unhooked and falls naturally, completely covering the fiberglass felt body 16 without contacting the box 3, ensuring the neatness of the connecting rope 161 after the material is laid. The adapter groove provides a limit and guide for the rotation of the movable end 172 of the hook, ensuring the coaxiality and stability of the movable end 172 of the hook around the gear shaft 18, further improving the reliability of the unhooking action.

[0060] This embodiment's controllable process-based unhooking is primarily applicable to high-load-bearing fiberglass mat bodies 16. These bodies are heavy and have high tension. The linkage between the gear shaft 18 and rack 19 effectively prevents unhooking failure caused by instantaneous impacts, ensuring the stability of the material laying operation. Simultaneously, this embodiment is compatible with high-speed, fully automated production lines. The mechanical linkage between the gear shaft 18 and rack 19 ensures stable and synchronized unhooking action under high-speed conditions, significantly improving production efficiency. Furthermore, this embodiment is also suitable for scenarios with high material laying accuracy requirements, such as new energy battery boxes. It completely avoids the problems of connecting rope 161 accumulation and misalignment, meeting stringent requirements for material laying flatness and connecting rope 161 positional accuracy. It is also suitable for complex cavity laying scenarios such as irregular cavities and deep cavities. By controlling the landing point of the connecting rope 161 through process-based unhooking, interference between the rope and the cavity wall is avoided. This embodiment adds only a few parts, requires no additional power, has limited cost increase, and its reliability is far superior to electronic control schemes, possessing extremely high application adaptability and promotional value.

[0061] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gripping fixture for processing fiberglass mat, used to grip and place a fiberglass mat body (16) into a box (3), comprising a fixture body (1), characterized in that: The tooling body (1) is equipped with a left clamping arm (13) and a right clamping arm (14) that can move relative to each other in the horizontal direction. The ends of the left clamping arm (13) and the right clamping arm (14) are equipped with limit hooks (15). The two ends of the fiberglass felt body (16) are respectively fixedly connected with several connecting ropes (161), and several connecting ropes (161) can be hooked on the limit hooks (15). The limiting hook (15) has an integrally bent and formed downward inclined groove (151) at the ends of the hooks that are far apart from each other. The downward inclined groove (151) includes a vertical section extending inward from the end of the limiting hook (15) and an inclined section (152) extending downward from the end of the vertical section. The inclined section (152) has a slope structure that gradually slopes downward in the direction away from the vertical section. The tooling body (1) has an initial state, a material laying operation stage and a material laying completion stage during the gripping and placement process. In the initial state, the distance between the left clamping arm (13) and the right clamping arm (14) is the largest, the connecting rope (161) is self-locked in the limiting hook (15) by the lateral tension force, and the fiberglass felt body (16) is in a suspended state. In the material laying operation stage, the left clamping arm (13) and the right clamping arm (14) move in stages, driving the fiberglass felt body (16) to gradually adhere to the bottom wall of the box (3) in the manner of first contacting the box body (3) in the middle. In the material laying completion stage, the left clamping arm (13) and the right clamping arm (14) move closer to each other, the lateral tension force of the connecting rope (161) gradually disappears, and it automatically disengages along the limiting hook (15) to complete the laying operation of the fiberglass felt body (16) in the box body (3).

2. The gripping fixture for processing fiberglass mat according to claim 1, characterized in that: The tooling body (1) is equipped with a drive motor (11), which is used to provide power for the horizontal relative movement of the left clamping arm (13) and the right clamping arm (14) to realize the phased translation tensioning and mutual approaching action of the two clamping arms.

3. The gripping fixture for processing fiberglass felt according to claim 1, characterized in that: The surface of the tooling body (1) is provided with a horizontal groove (12). The left clamping arm (13) and the right clamping arm (14) are slidably assembled in the horizontal groove (12). The horizontal groove (12) provides guidance and limit for the horizontal movement of the left clamping arm (13) and the right clamping arm (14), ensuring the coaxiality and stability of the relative movement of the two clamping arms.

4. The gripping fixture for processing fiberglass mat according to claim 1, characterized in that: The tail of the tooling body (1) is equipped with a driving robotic arm (2). The driving robotic arm (2) is used to drive the tooling body (1) to complete the vertical lifting and horizontal transfer operations, provide the tooling body (1) with the power to adjust the spatial position, and cooperate with the horizontal movement of the left clamping arm (13) and the right clamping arm (14) to complete the process of laying the fiberglass felt body (16) in the box (3).

5. The gripping fixture for processing fiberglass mat according to claim 1, characterized in that: The ends of the left clamping arm (13) and the right clamping arm (14) are each equipped with a hook workpiece (17). The hook workpiece (17) includes a hook fixed end (171) and a hook movable end (172). The hook fixed end (171) is fixedly connected to the left clamping arm (13) and the right clamping arm (14). The surfaces of the left clamping arm (13) and the right clamping arm (14) are provided with matching grooves corresponding to the positions of the hook movable end (172). The hook movable end (172) is rotatably connected to the left clamping arm (13) and the right clamping arm (14) through the matching grooves, and is used to hook the connecting rope (161) and realize self-locking and unhooking actions.

6. The gripping fixture for processing fiberglass mat according to claim 5, characterized in that: In the initial state, the fixed end (171) of the hook and the movable end (172) of the hook are in contact with each other, and an upward sloping groove (173) is formed at the contact point. The upward sloping groove (173) has a gradually upward sloping structure along the direction close to the fixed end (171), and the groove cavity of the upward sloping groove (173) has an arc transition design.

7. The gripping fixture for processing fiberglass mat according to claim 5, characterized in that: A gear shaft (18) is mounted above the movable end (172) of the hook. The gear shaft (18) is rotatably connected to the inner walls of the left clamping arm (13) and the right clamping arm (14), and the movable end (172) of the hook rotates with the gear shaft (18) as the rotation base.

8. The gripping fixture for processing fiberglass mat according to claim 1, characterized in that: The tooling body (1) is symmetrically equipped with racks (19), which are mounted inside the horizontal groove (12) of the tooling body (1) and are located on the movement path of the gear shaft (18) and mesh with the gear shaft (18).

9. The gripping fixture for processing fiberglass mat according to claim 7, characterized in that: During the material laying stage, when the left clamping arm (13) and the right clamping arm (14) approach each other, the gear shaft (18) rolls along the rack (19), causing the hook movable end (172) to rotate around the gear shaft (18), changing the opening direction of the upper inclined slot (173), and the lateral tension of the connecting rope (161) gradually disappears and automatically disengages, completing the laying operation of the fiberglass felt body (16).

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