Clamping jaw combining mechanism of automobile part clamping hand air cylinder

Abstract

The utility model is suitable for the technical field of automobile parts, and provides an automobile part clamping hand air cylinder clamping jaw combining mechanism which comprises an air cylinder body. The positioning blocks are arranged on two sides of the cylinder; the first bearing seats are rotationally arranged on the two sides of the positioning block; and clamping plates are rotationally matched with the sides, away from the positioning blocks, of the two first bearing seats correspondingly. The elastic components are arranged on the outer sides of the two clamping plates; the connecting mechanism is arranged on a telescopic shaft of the cylinder body; high precision and stability of clamping action are guaranteed, strict requirements for clamping position and force are met, flexible clamping and protection of parts are achieved through ingenious application of the elastic assembly and the fastening pad, and damage caused by improper clamping force is avoided; and meanwhile, due to the real-time monitoring and self-adaptive adjusting functions of the pressure sensor, the clamping precision and reliability are further improved, the clamping jaw combining mechanism can automatically adjust the clamping force according to the characteristics and requirements of different parts, and it is ensured that the clamping process is safe and efficient.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, and particularly relates to a combined mechanism for clamping jaws of a clamping cylinder of automobile parts. Background Art

[0002] With the rapid development of the automobile industry, the requirements for the precision, quality and production efficiency of automobile parts in automobile manufacturing are increasing day by day. On the automated production line, the clamping cylinder jaws, as the actuators directly participating in key links such as part grasping, handling and assembly on the automated production line, their performance directly reflects on the overall efficiency of the production line and the stability of product quality; however, when dealing with the high standards of current and future automobile manufacturing, the traditional jaw mechanism exposes various limitations:

[0003] 1. Insufficient clamping precision: In the manufacturing of automobile parts with high precision requirements, the traditional jaw mechanism often fails to meet the clamping precision requirements for different sizes, thus unable to meet the needs of high-precision manufacturing;

[0004] 2. Poor stability: However, during long-term and high-frequency clamping processes, the traditional jaw mechanism is prone to problems such as mechanical wear, loosening, vibration, etc., resulting in unstable phenomena such as uneven clamping force and offset of the clamping position, thereby affecting the smooth operation of the production line and the consistency of product quality;

[0005] 3. High risk of damage to parts: During the clamping and handling processes, the direct contact between the jaw mechanism and the parts often causes a certain degree of damage to the part surface, such as scratches, indentations, etc.; these damages not only affect the appearance quality of the parts, but may also have an adverse impact on the functionality of the parts; due to the lack of effective buffering and protection mechanisms, the traditional jaw mechanism is prone to generate excessive impact force or clamping force during the clamping process, thereby increasing the risk of damage to the parts. Content of the Utility Model

[0006] The utility model provides a combined mechanism for clamping jaws of a clamping cylinder of automobile parts, aiming to solve the problem that when the traditional jaw mechanism faces the high standards of automobile manufacturing, its most significant limitation lies in the insufficient comprehensive performance, specifically manifested as difficult to guarantee the clamping precision, poor stability leading to production fluctuations, and high risk of damage to parts. These comprehensive factors jointly restrict the further improvement of production efficiency and product quality.

[0007] The utility model is implemented as follows: a cylinder jaw merging mechanism for gripping hand of automobile parts, comprising a cylinder body; a group of positioning blocks arranged on both sides of the cylinder; a group of first receiving seats rotating on both sides of the positioning blocks; two first receiving seats are rotatably matched with a clamping plate on one side away from the positioning blocks; an elastic component arranged on the outside of the two clamping plates; a connecting mechanism arranged on the telescopic shaft of the cylinder body; wherein the connecting mechanism comprises: a mounting head arranged on the telescopic shaft; a group of first rotating shafts are arranged on one side of the mounting head away from the cylinder body; a group of first connecting rods rotating at the two first rotating shafts; two groups of connecting plates symmetrically arranged at the lower positions of the two clamping plates; a same guide shaft is slidably matched between two adjacent connecting plates in each group; the two guide shafts are rotatably matched with the corresponding first rotating shafts respectively;

[0008] A group of first return springs is arranged between the two guide shafts and the adjacent receiving seats, and a damper is integrated in the first return spring.

[0009] Preferably, the connection mechanism further comprises: two groups of transverse plates symmetrically arranged on both sides of the positioning block; a group of second return springs are arranged between the two groups of transverse plates and adjacent receiving seats, and a damper is integrated in the second return springs.

[0010] Preferably, the elastic component comprises: a plurality of third return springs arranged on the outer side of the clamping plate; a damper is integrated in each of the plurality of return springs; and a same fastening pad is arranged on the side of the plurality of return springs away from the clamping plate.

[0011] Preferably, the outer surface of the fastening pad is provided with irregular anti-slip patterns.

[0012] Preferably, a guide groove for sliding of the guide shaft is formed on one opposite side of each two adjacent connecting plates.

[0013] Preferably, a pressure sensor is provided on the outer wall of the clamping plate.

[0014] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0015] First, this device converts the linear motion of the telescopic shaft into the opening and closing motion of the clamping plate through a connecting mechanism. This design ensures the high precision of the clamping action and can meet the strict requirements on the clamping position and force. The use of the guide shaft enhances the stability and directionality of the entire mechanism, reduces deviation and shaking during movement, thereby improving the stability and reliability of the clamping. The double reset mechanism improves the response speed and reset accuracy of the mechanism, reduces impact and vibration, and further improves the stability and service life of the mechanism.

[0016] Second: By setting the elastic component, the device reduces the initial impact force of the clamping plate on the automotive parts during the clamping process, avoiding damage to the parts caused by excessive instantaneous clamping force, achieving flexible clamping. The irregular anti-slip patterns on the fastening pad not only increase the friction force, ensuring the stability of the parts during the clamping process, but also enhance the wear resistance of the fastening pad and extend its service life, thereby protecting the parts from wear.

[0017] Third: The real-time monitoring function of the pressure sensor in this device can accurately measure the clamping force exerted by the clamping plate on the automotive parts, ensuring that the clamping force is neither too large nor too small, thereby protecting the parts and improving the stability and reliability of clamping. This intelligent monitoring mechanism enables the jaw closing mechanism to have a certain self-adaptive adjustment ability, which can automatically adjust the clamping force according to the different characteristics and clamping requirements of the parts to achieve a more precise clamping effect. Description of the Drawings

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a front view of the present utility model;

[0020] Figure 3 is a structural schematic diagram of the elastic component of the present utility model;

[0021] Figure 4 is the present utility model Figure 1 is an enlarged structural schematic diagram of part A;

[0022] In the figure: 1. Cylinder body; 2. Positioning block; 3. First receiving seat; 4. Clamping plate; 5. Mounting head; 6. First rotating shaft; 7. First connecting rod; 8. Connecting plate; 9. Guide shaft; 10. First return spring; 11. Cross plate; 12. Second return spring; 13. Third return spring; 14. Fastening pad; 15. Guide groove; 16. Pressure sensor. Detailed Embodiments

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above description of the drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.

[0024] Reference to "embodiments" in this document means that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0025] An embodiment of the present utility model provides a combined mechanism for clamping jaws of a clamping cylinder for automotive parts, as Figures 1-4 shown, including a cylinder body 1; a set of positioning blocks 2 provided on both sides of the cylinder; a set of first receiving seats 3 rotatably arranged on both sides of the positioning blocks 2; clamping plates 4 rotatably fitted on one side of each of the two first receiving seats 3 away from the positioning blocks 2; an elastic component provided on the outer sides of the two clamping plates 4; a connecting mechanism provided on the telescopic shaft of the cylinder body 1; wherein, the connecting mechanism includes: a mounting head 5 provided on the telescopic shaft; a set of first rotating shafts 6 provided on the side of the mounting head 5 away from the cylinder body 1; a set of first connecting rods 7 rotatably arranged at the first rotating shafts 6; two sets of connecting plates 8 symmetrically arranged at the lower positions of the two clamping plates 4; the same guiding shaft 9 is slidably fitted between each set of adjacent two connecting plates 8; the two guiding shafts 9 are respectively in rotational fit with the corresponding first rotating shafts 6; a set of first return springs 10 are provided between the two guiding shafts 9 and the adjacent receiving seats, and a damper is integrated in the first return springs 10.

[0026] It should be noted that since the most significant limitation of traditional clamping mechanisms in the face of high standards in automotive manufacturing is the lack of comprehensive performance, specifically manifested as difficult to guarantee clamping accuracy, poor stability leading to production fluctuations, and high risk of damage to parts, these comprehensive factors jointly restrict the further improvement of production efficiency and product quality. This solution integrates high-precision clamping, flexible protection, and intelligent adjustment, significantly improving the comprehensive performance of the clamping operation; its design ensures the high precision of the clamping action and meets the strict requirements for position and force; at the same time, through the cooperation of the guiding shaft 9 and the double reset mechanism, the stability and reset accuracy of the mechanism are enhanced, reducing motion deviation, shaking, impact, and vibration, thereby improving the stability and reliability of clamping and extending the service life of the mechanism; in addition, the ingenious application of the elastic component and the fastening pad 14 realizes the flexible clamping and protection of automotive parts, avoiding damage during the clamping process and extending the service life of the fastening pad 14; most importantly, the real-time monitoring and intelligent adjustment function of the pressure sensor 16 endows the clamping jaw combination mechanism with self-adaptive ability, which can automatically adjust the clamping force according to the characteristics and clamping requirements of different parts to achieve precise clamping, further improving the operation efficiency and clamping effect.

[0027] Specifically, in this embodiment, the solution mainly includes a cylinder body 1; the cylinder body 1 serves as the power source of the jaw merging mechanism, and drives the telescopic shaft inside it to perform precise linear motion by controlling the change of air pressure; on the outer side wall of the cylinder, a positioning block 2 is installed, and its main function is to fix and support the subsequent connecting mechanism to ensure the stability and accuracy of the entire mechanism during operation; two clamping plates 4 are designed to directly clamp automotive parts, and they are respectively connected to the outer sides of two first receiving seats 3 in a rotational mating manner, such a design enables the clamping plates 4 to flexibly open and close when receiving the transmission force; in order to enhance the performance of the device, elastic components are also equipped on the outer sides of the two clamping plates 4; during the clamping process, the flexible components can also play a role in buffering and shock absorption to protect the automotive parts from impact;

[0028] The first rotating shaft 6 of the connecting mechanism is installed on the side of the mounting head 5 away from the cylinder body 1 and serves as the rotation center of the first connecting rod 7; two groups of first connecting rods 7 are respectively rotatably installed on the first rotating shaft 6, and their function is to cleverly convert the linear motion of the telescopic shaft into the opening and closing motion of the clamping plates 4; in order to achieve this conversion, connecting plates 8 are symmetrically arranged at the lower positions of the two clamping plates 4 and are fixedly connected to the clamping plates 4; in this way, when the first connecting rod 7 rotates, its rotational force can be transmitted to the clamping plates 4 through the connecting plates 8;

[0029] In order to ensure the stability and directionality of the connecting plates 8 during the transmission process, the same guide shaft 9 is slidably fitted between every two adjacent connecting plates 8 in each group; these guide shafts 9 not only provide a stable motion trajectory for the connecting plates 8, but also enhance the rigidity and reliability of the entire mechanism;

[0030] In addition, a first return spring 10 and a damper are integrated between the guide shaft 9 and the adjacent receiving seat; when the clamping plates 4 open, the first return spring 10 will provide sufficient return force to enable the clamping plates 4 to quickly and accurately return to the initial position; and the damper plays an important role in adjusting the return speed, reducing impact and vibration during this process, further improving the stability and service life of the mechanism;

[0031] The entire clamping and releasing process is as follows: When the cylinder body 1 receives an intake signal, the telescopic shaft extends forward, and through the action of the connecting mechanism, it is converted into the approaching movement of the two clamping plates 4; during this process, the first return spring 10 is gradually compressed, and at the same time, the damper absorbs part of the energy to reduce the impact; as the clamping plates 4 get closer and closer, they finally clamp the automotive parts; conversely, when the telescopic shaft of the cylinder body 1 retracts backward, under the action of the restoring force of the first return spring 10, the two clamping plates 4 begin to open outward; at this time, the damper comes into play again, slowing down the opening speed of the clamping plates 4, making the release process smoother; finally, the automotive parts are successfully released, and the clamping plates 4 also quickly return to the initial position under the combined action of the return spring and the damper, ready for the next clamping operation.

[0032] In a further preferred embodiment of the present utility model, as Figures 1-2 shown, the connecting mechanism further includes: two groups of cross plates 11 symmetrically arranged on both sides of the positioning block 2; a group of second return springs 12 are arranged between each of the two groups of cross plates 11 and the adjacent receiving seat, and dampers are integrated in the second return springs 12.

[0033] In this embodiment, when the clamping plate 4 performs the opening and closing movement, the second return springs 12 together ensure that the clamping plate 4 can quickly and smoothly return to the initial position after release. This double return mechanism improves the response speed and return accuracy of the mechanism. In addition, dampers are also integrated in the second return springs 12. The function of the damper is to adjust the return speed and reduce the impact and vibration generated by rapid return. During the opening or closing process of the clamping plate 4, the damper can absorb part of the energy, making the whole movement smoother and protecting the internal components of the mechanism from damage.

[0034] In a further preferred embodiment of the present utility model, as Figures 1-3 shown, the elastic component includes: several third return springs 13 arranged outside the clamping plate 4; dampers are integrated in each of the several return springs; the same fastening pad 14 is arranged on the side of the several return springs away from the clamping plate 4.

[0035] In this embodiment, the third return springs 13 can slow down the initial impact force when the clamping plate 4 clamps the automotive parts, thus avoiding potential damage to the parts caused by excessive clamping force instantaneously. This buffering force makes the clamping action softer and protects the integrity of the parts. At the same time, the damper works in coordination with the third return spring 13 to adjust the speed during its return process. When the clamping plate 4 needs to release the parts and return, the damper can slow down the release speed of the elastic force of the return spring, preventing the clamping plate 4 from suddenly bouncing open and further reducing the potential impact on the parts;

[0036] The fastening pad 14 is used to increase the frictional force between the part and the clamping plate 4, which helps to maintain stable contact between the part and the clamping plate 4 during the clamping process.

[0037] In a further preferred embodiment of the present utility model, as Figures 1-2 shown, the outer surface of the fastening pad 14 is provided with irregular anti-slip patterns.

[0038] In this embodiment, the anti-slip patterns can enhance the wear resistance of the surface of the fastening pad 14. During long-term use, the fastening pad 14 may be subjected to pressure and friction from the return spring or other components. The irregular anti-slip patterns can disperse these forces, reduce single-point wear, and thus extend the service life of the fastening pad 14.

[0039] In a further preferred embodiment of the present utility model, as Figures 1-4 shown, on the opposite sides of every two adjacent connecting plates 8, guiding grooves 15 for the sliding of the guiding shaft 9 are provided.

[0040] In this embodiment, the design of the guiding grooves 15 is to enable the guiding shaft 9 to slide smoothly and stably therein. When the cylinder body 1 drives the telescopic shaft to perform a linear motion, this linear motion is converted into the opening and closing motion of the clamping plate 4 through the connecting mechanism, and the sliding fit between the guiding shaft 9 and the guiding grooves 15 ensures the accuracy and stability of this conversion process.

[0041] In a further preferred embodiment of the present utility model, as Figures 1-2 shown, a pressure sensor 16 is provided on the outer wall of the clamping plate 4.

[0042] In this embodiment, the pressure sensor 16 (CX-YY6) can monitor in real time the clamping force exerted by the clamping plate 4 on the automotive part. By accurately measuring the magnitude of the clamping force, it can be ensured that the clamping force is neither too large to cause damage to the part nor too small to cause the part to loosen or fall off, which is crucial for protecting the part and improving the clamping stability and reliability.

[0043] Working principle: The cylinder body 1 of this device serves as the power source of the entire jaw closing mechanism and drives the telescopic shaft inside it to perform a linear motion; this linear motion is the original power source for the opening and closing motion of the clamping plate 4; on the outer side wall of the cylinder, a positioning block 2 is installed, and its main function is to fix and support the subsequent connecting mechanism; the stability of the positioning block 2 is crucial for ensuring the stability and accuracy of the entire mechanism during operation;

[0044] The first rotating shaft 6 of the connecting mechanism is installed on the side of the mounting head 5 away from the cylinder body 1 and serves as the rotation center of the first connecting rod 7. Two groups of first connecting rods 7 are respectively rotatably installed on the first rotating shaft 6. Their key function is to convert the linear motion of the telescopic shaft into the opening and closing motion of the clamping plate 4. To achieve this conversion, the connecting plate 8 is symmetrically arranged at the lower positions of the two clamping plates 4 and is fixedly connected to the clamping plate 4. When the first connecting rod 7 rotates, its rotational force is effectively transmitted to the clamping plate 4 through the connecting plate 8 to drive them to perform the opening and closing actions.

[0045] To ensure the stability and directionality of the connecting plate 8 during the transmission process, the same guiding shaft 9 is slidably fitted between every two adjacent connecting plates 8 in each group. The guiding shaft 9 not only provides a stable motion trajectory for the connecting plate 8 but also enhances the rigidity and reliability of the entire mechanism. In addition, a first return spring 10 and a damper are integrated between the guiding shaft 9 and the adjacent receiving seat. The first return spring 10 provides a return force when the clamping plate 4 opens to ensure that the clamping plate 4 can quickly and accurately return to the initial position. The damper adjusts the return speed, reduces impact and vibration, and improves the stability and service life of the mechanism.

[0046] The clamping plates 4 are the components that directly contact the automotive parts. They are connected to the outside of the two first receiving seats 3 in a rotational fit manner. Such a design enables the clamping plates 4 to flexibly open and close when receiving the transmission force. To further enhance the clamping performance, elastic components including a third return spring 13 and a damper are provided on the outside of the clamping plates 4. The third return spring 13 can slow down the initial impact force when the clamping plates 4 clamp the automotive parts and prevent damage to the parts caused by excessive clamping force instantaneously. The damper works in coordination with the third return spring 13 to adjust the return speed and make the clamping and releasing processes smoother. In addition, a fastening pad 14 is arranged in the area where the clamping plate 4 contacts the parts to increase the friction between the parts and the clamping plate 4 and ensure that the parts can be stably held on the clamping plate 4 during the clamping process. The outer surface of the fastening pad 14 is also designed with irregular anti-slip patterns to enhance its wear resistance and stability.

[0047] The entire clamping and releasing process is as follows: When the cylinder body 1 receives an intake signal, the telescopic shaft extends forward. Through the transmission of the connecting mechanism, it is converted into the relative movement of the two clamping plates 4. During this process, the first return spring 10 and the third return spring 13 are gradually compressed, and at the same time, the damper absorbs part of the energy to reduce the impact. As the clamping plates 4 get closer and closer, they finally clamp the automotive parts. On the contrary, when the telescopic shaft of the cylinder body 1 retracts backward, under the restoring force of the first return spring 10 and the third return spring 13, the two clamping plates 4 begin to open outward. At this time, the damper comes into play again, slowing down the opening speed of the clamping plates 4, making the releasing process smoother. Finally, the automotive parts are successfully released, and the clamping plates 4 also quickly return to their initial positions under the combined action of the return springs and the damper, ready for the next clamping operation.

[0048] During the whole process, the pressure sensor 16 monitors in real time the clamping force exerted by the clamping plates 4 on the automotive parts, ensuring that the clamping force is neither too large nor too small, so as to protect the parts and improve the stability and reliability of clamping.

[0049] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present utility model is not limited by the described action sequence, because according to the present utility model, certain steps may be adopted in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present utility model.

[0050] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the above division of units can be divided in other ways in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the shown or discussed coupling or communication connection between each other can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.

[0051] The units described as separate components above may or may not be physically separated. The components shown as units may or may not be physical units, that is, they can be located in one place, or they can be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0052] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the invention. Obviously, the described embodiments are only partial embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict and without making creative efforts, combine, add or delete the features in the embodiments of the present invention according to the circumstances or make other adjustments, so as to obtain different technical solutions that essentially do not depart from the concept of the present invention, and these technical solutions also fall within the scope of protection of the present invention.

Claims

1. A clamping mechanism for the clamping jaws of a car part clamping cylinder, characterized in that, Comprising: Cylinder body; A set of positioning blocks arranged on both sides of the cylinder; A set of first receiving seats rotatable on both sides of the positioning blocks; Clamping plates are rotatably fitted on the sides of the two first receiving seats away from the positioning blocks; Elastic components arranged on the outer sides of the two clamping plates; A connecting mechanism arranged on the telescopic shaft of the cylinder body; Wherein, the connecting mechanism includes: A mounting head arranged on the telescopic shaft; A set of first rotating shafts is arranged on the side of the mounting head away from the cylinder body; A set of first connecting rods rotatable at the two first rotating shafts; Two sets of connecting plates symmetrically arranged at the lower positions of the two clamping plates; The same guiding shaft is slidably fitted between every two adjacent connecting plates of each set; The two guiding shafts are rotatably fitted with the corresponding first rotating shafts respectively; A set of first return springs is arranged between the two guiding shafts and the adjacent receiving seats, and a damper is integrated in the first return spring.

2. The combined mechanism of the clamping jaws of the clamping cylinder for automotive parts according to claim 1, characterized in that, The connecting mechanism further includes: Two sets of horizontal plates symmetrically arranged on both sides of the positioning blocks; A set of second return springs is arranged between the two sets of horizontal plates and the adjacent receiving seats, and a damper is integrated in the second return spring.

3. The combined mechanism of the clamping jaws of the clamping cylinder for automotive parts according to claim 1, characterized in that, The elastic components include: A number of third return springs arranged on the outer sides of the clamping plates; A damper is integrated in each of the number of return springs; The same fastening pad is arranged on the sides of the number of return springs away from the clamping plates; 4. The combined mechanism of the clamping jaws of the clamping cylinder for automotive parts according to claim 3, characterized in that Irregular anti-slip lines are arranged on the outer surface of the fastening pad.

5. The combined mechanism of the clamping jaws of the clamping cylinder for automotive parts according to claim 1, characterized in that, A guiding groove for the sliding of the guiding shaft is formed on the opposite side of every two adjacent connecting plates.

6. The combined mechanism of the clamping jaws of the clamping cylinder for automotive parts according to claim 3, characterized in that, A pressure sensor is arranged on the outer wall of the clamping plate.

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