Needle grasp device
Patent Information
- Application Number
- CN202522328636.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-03
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-11-03
AI Technical Summary
由于泡沫板质量轻,表面不平整,所以采用传统的吸盘吸取的时候耗气量大,且抓取效果不好,易掉落
[0009]本实用新型所得到的一种针刺抓取装置,利用气缸推送将伸缩杆端部的针刺底座上的刺针倾斜推出抓取平面,并刺入泡沫板中,两排交叉的刺针将泡沫板抓取,移动至指定位置后,气缸收缩将刺针缩回即可将泡沫板脱卸,操作简单方便,高效稳定,并根据实际情况调节刺针输出抓取平面的长度,以适应不同的泡沫板的抓取。
Smart Images

Figure CN224829957U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of auxiliary material grasping technology, and in particular to a needle-punching grasping device. Background Technology
[0002] Currently, in the automated packaging process of chemical fiber cakes, stacking of the cakes is required. When stacking the cakes, a layer of foam board needs to be laid between each layer for isolation, preventing damage caused by friction between the cakes. Because foam boards are lightweight and have uneven surfaces, traditional suction cups consume a lot of air, have poor gripping effect, and are prone to dropping. Furthermore, a stable gripping device needs to be designed to handle foam boards of varying thicknesses. Utility Model Content
[0003] To address the aforementioned technical deficiencies, this invention provides a needle-punching gripping device that can stably and firmly grip lightweight foam boards while consuming little energy.
[0004] This utility model discloses a needle-piercing gripping device, including a base support. The upper end of the base support is a horizontal fixed plane, and the two sides of the fixed plane are inclined mounting planes. The bottom surface of the base support is a horizontal gripping plane. An assembly cavity is formed inside the base support between each mounting plane and the gripping plane. A cylinder is inclinedly arranged on each mounting plane. The telescopic rod of the cylinder extends through the base support to the corresponding assembly cavity. A needle-piercing base is fixed on the telescopic rod of the cylinder in the assembly cavity. A row of needles is arranged at intervals on each needle-piercing base. A needle-piercing hole is provided on the base support at the tip of the needle. The central axis of the needle-piercing hole coincides with the central axis of the needle and extends through to the gripping plane.
[0005] Multiple mounting holes are arrayed on the needle base, and the needle is inserted into the mounting holes. A screw hole is provided on the side of the needle base of each mounting hole, and a fixing bolt is provided in the screw hole. The fixing bolt abuts against the needle to fix the needle in the mounting hole.
[0006] The cylinder's telescopic rod has an external thread at its end, and an inner concave plane on the telescopic rod at the external thread. A shaped hole is provided on the needle base, and the shaped hole is engaged with the telescopic rod at the corresponding position of the inner concave plane and fixedly connected by a connecting rod nut.
[0007] A mounting guide rod is fixed on the base bracket at the fixed plane. A limit nut is provided at the end of the mounting guide rod. A sliding guide sleeve is provided on the mounting guide rod. A spring is sleeved on the mounting guide rod between the sliding guide sleeve and the base bracket. The sliding guide sleeve is provided with external threads. Two mounting nuts are provided on the sliding guide sleeve.
[0008] The cylinder is a two-way cylinder.
[0009] The needle-piercing gripping device obtained by this utility model uses a cylinder to push the needles on the needle-piercing base at the end of the telescopic rod out at an angle to the gripping plane and pierce into the foam board. Two rows of intersecting needles grip the foam board and move it to the designated position. After the cylinder retracts, the needles are retracted to remove the foam board. The operation is simple and convenient, efficient and stable. The length of the needle output gripping plane can be adjusted according to the actual situation to adapt to the gripping of different foam boards. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation
[0011] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.
[0012] Example 1:
[0013] like Figure 1 As shown, this utility model discloses a needle-piercing gripping device, including a base support 1. The upper end of the base support 1 is a horizontal fixed plane 10, and the two sides of the fixed plane 10 are inclined mounting planes 11. The bottom surface of the base support 1 is a horizontal gripping plane 12. An assembly cavity 7 is formed inside the base support 1 between each mounting plane 11 and gripping plane 12. A cylinder 2 is inclinedly arranged on each mounting plane. The telescopic rod 3 of the cylinder 2 passes through the base support 1 and extends into the corresponding assembly cavity 7. A needle-piercing base 4 is fixed on the telescopic rod 3 of the cylinder 2 in the assembly cavity 7. A row of needles 6 is arranged at intervals on each needle-piercing base 4. A needle-piercing hole 9 is provided on the base support 1 at the tip of the needle 6. The central axis of the needle-piercing hole 9 coincides with the central axis of the needle 6. The needle-piercing hole 9 extends into the gripping plane 12.
[0014] The base bracket 1 is made of aluminum alloy, which has high strength and good stability. The upper two sides of the base bracket 1 form mounting planes 11, which are symmetrically inclined. Cylinders 2 are mounted on the mounting planes 11, and the corresponding cylinders 2 are inclined. A gripping plane 12 is formed at the lower end of the base bracket 1. An assembly cavity 7 is provided within the base bracket 1 between the gripping plane 12 and the mounting plane 11. The telescopic rod 3 of the cylinder 2 extends into the assembly cavity 7. When the cylinder 2 is actuated, the telescopic rod 3 moves within the assembly cavity 7. A needle-piercing base 4 is provided at the end of the telescopic rod 3, and a row of needles 6 is provided on the needle-piercing base 4. Needle-piercing holes 9 are provided on the base bracket 1 at the gripping plane 12 corresponding to the needles 6. When the cylinder 2 is retracted, the ends of the needles 6 are located within the needle-piercing holes 9 or within the assembly cavity 7. When the cylinder 2 is extended, the ends of the needles 6 protrude from the needle-piercing holes 9 to below the gripping plane 12. A fixed plane 10 is used to connect a robotic arm. In practical use, the robotic arm moves the device onto the foam board, ensuring the gripping surface 12 is flush against it. The telescopic rod 3 of cylinder 2 extends, pushing the needles 6 downwards, extending from the needle-piercing hole 9 to below the gripping surface 12 and piercing the foam board. Because the needles 6 on the two cylinders 2 are tilted in different directions, the foam board is firmly fixed after the two rows of needles 6 are inserted. During the lifting and moving process of the robotic arm, the foam board remains stable and will not fall off. When the foam board moves to the designated position, cylinder 2 retracts, and the needles 6 are pulled out of the foam board. During this process, the gripping surface 12 of the base bracket 1 remains against the foam board, preventing deformation or breakage of the foam board during the removal of the needles 6, greatly improving the stability of the foam board gripping. Moreover, the air consumption is only the extension and retraction of cylinder 2, which is extremely low compared to traditional suction cups.
[0015] Multiple mounting holes are arrayed on the needle base 4, and the needles 6 are inserted into the mounting holes. A screw hole is provided on the side of each mounting hole on the needle base 4, and a fixing bolt 8 is installed in the screw hole. The fixing bolt 8 abuts against the needle 6 to fix the needle 6 in the mounting hole. Due to the space limitations of the assembly cavity 7 within the base bracket 1 and the stroke limitations of the cylinder 2, the movement position of the telescopic rod 3 of the cylinder 2 is fixed each time. However, during the transport of foam boards of different thicknesses, to ensure stable gripping of the foam boards, thicker foam boards require the needles 6 to penetrate more deeply, while thinner foam boards require less penetration, to avoid the needles 6 piercing the foam board and connecting with the lower layer of foam board. Therefore, to ensure stable gripping of the foam boards and to grip one foam board at a time, the height of the needles 6 protruding from the needle base 4 needs to be adjusted according to the thickness of the foam board being gripped. In this embodiment, mounting holes are arrayed on the needle base 4. The needle 6 is inserted into the mounting holes and fixed in place by the fixing bolt 8. To adjust the position of the needle 6, simply loosen the fixing bolt 8, adjust the insertion position of the needle 6, and finally tighten the fixing bolt 8.
[0016] The telescopic rod 3 of the cylinder 2 has an external thread at its end, and a concave plane on the telescopic rod 3 at the external thread. A shaped hole is provided on the needle base 4, which mates with the telescopic rod 3 at the corresponding concave plane, and the connection is secured by a connecting rod nut 5. The telescopic rod 3 of the cylinder 2 is fixed to the needle base 4 via the connecting rod nut 5. To prevent deflection between the needle base 4 and the telescopic rod 3, the end of the telescopic rod 3 is non-circular, i.e., cut to form a flat surface, while the external thread mates normally with the connecting rod nut 5. The shaped hole on the needle base 4 mates with the end of the telescopic rod 3, preventing relative rotation after insertion. Locking with the connecting rod nut 5 ensures a secure and stable connection.
[0017] A mounting guide rod 13 is fixed on the base bracket 1 at the fixed plane 10. A limit nut 15 is provided at the end of the mounting guide rod 13. A sliding guide sleeve 14 is provided on the mounting guide rod 13. A spring 16 is sleeved on the mounting guide rod 13 between the sliding guide sleeve 14 and the base bracket 1. The sliding guide sleeve 14 has external threads and two mounting nuts 17 are provided on the sliding guide sleeve 14. Since the entire device is assembled on a robotic arm, to avoid inaccurate positioning during the process of the robotic arm moving down to make the gripping plane 12 contact the foam board, thereby causing compression and damage to the foam board, the mounting guide rod 13 is set on the fixed plane 10, the end of the mounting guide rod 13 is provided with a limit nut 15, and the sliding guide sleeve 14 is provided on the mounting guide rod 13. The robotic arm can be sleeved on the sliding guide sleeve 14 and locked and fixed by the two mounting nuts 17, realizing the connection between the robotic arm and the sliding guide sleeve 14. A spring 16 is fitted onto the mounting guide rod 13 between the sliding guide sleeve 14 and the base bracket 1, allowing the sliding guide sleeve 14 to move along the mounting guide rod 13. During descent, when the gripping plane 12 contacts the foam board, as the robot continues to move downwards a certain distance, the sliding guide sleeve 14 can overcome the pressure of the spring 16 and move a certain distance along the mounting guide rod 13, thus preventing the base bracket 1 from exerting excessive pressure on the foam board and causing damage. When the robot lifts, the sliding guide sleeve 14 slides to the uppermost end of the mounting guide rod 13, where it is limited by the limit nut 15 to prevent it from falling off, ensuring stable and reliable operation of the device.
[0018] The cylinder 2 is a bidirectional cylinder 2. Air pipes are provided at both ends of the cylinder 2, so that the extension rod 3 of the cylinder 2 is operated by high-pressure gas during the extension and retraction process, and the operation is fast and stable.
[0019] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" 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. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0020] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the interaction relationship between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0021] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0022] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simplification, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A needle-piercing grasping device, characterized in that: The device includes a base support, the upper end of which is a horizontal fixed plane, and the two sides of the fixed plane are inclined mounting planes. The bottom surface of the base support is a horizontal gripping plane. An assembly cavity is formed inside the base support between each mounting plane and the gripping plane. A cylinder is inclinedly arranged on each mounting plane. The telescopic rod of the cylinder extends through the base support into the corresponding assembly cavity. A needle base is fixed on the telescopic rod of the cylinder in the assembly cavity. A row of needles is arranged at intervals on each needle base. A needle hole is provided on the base support at the tip of the needle. The central axis of the needle hole coincides with the central axis of the needle and extends through to the gripping plane.
2. The needle-piercing gripping device according to claim 1, characterized in that: in The needle base has multiple mounting holes arranged in an array. The needle is inserted into the mounting holes. A screw hole is provided on the side of each mounting hole of the needle base. A fixing bolt is provided in the screw hole. The fixing bolt abuts against the needle and is used to fix the needle in the mounting hole.
3. The needle-piercing gripping device according to claim 1, characterized in that: The cylinder's telescopic rod has an external thread at its end, and an inner concave plane on the telescopic rod at the external thread. A shaped hole is provided on the needle base, and the shaped hole is engaged with the telescopic rod at the corresponding position of the inner concave plane and fixedly connected by a connecting rod nut.
4. A needle-piercing gripping device according to claim 1, 2, or 3, characterized in that: A mounting guide rod is fixed on the base bracket at the fixed plane. A limit nut is provided at the end of the mounting guide rod. A sliding guide sleeve is provided on the mounting guide rod. A spring is sleeved on the mounting guide rod between the sliding guide sleeve and the base bracket. The sliding guide sleeve is provided with external threads. Two mounting nuts are provided on the sliding guide sleeve.
5. The needle-piercing gripping device according to claim 1, characterized in that: The cylinder is a two-way cylinder.