Cylinder telescopic rod group

Abstract

The utility model relates to an air cylinder telescopic rod group in the technical field of air cylinder ejection, which comprises a mounting rack, a driving air cylinder and a telescopic rod, the surface of the driving air cylinder is connected with a needle seat, the surface of the needle seat is provided with a steel needle, and the needle seat is used for driving the steel needle to move; according to the utility model, the steel needles are used for inserting and taking, the needle seat is used for fixing, and the driving cylinder is matched for stable pushing, so that the effects of consistent movement and consistent feeding speed are achieved, the telescopic rod is matched for keeping surface attachment, the effect of preventing force overload is achieved, and the mode of increasing the quantity of the steel needles is adopted, so that more stable increase and better grabbing force are achieved; meanwhile, the device is small, exquisite and light, so that a user can carry the device conveniently; the driving air cylinders are installed at the two ends of the installation frame respectively, so that the weight and the load of the whole structure can be evenly distributed, local stress concentration is avoided, and the stability of structure operation is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cylinder ejection technical field especially is a kind of cylinder telescopic rod group. BACKGROUND

[0002] Cylinder is also called driving cylinder or pneumatic cylinder, which is a device that generates linear reciprocating motion using compressed air as power source. Cylinder telescopic rod is a key component in pneumatic system, usually used with cylinder to realize linear reciprocating motion. It uses compressed air as power source to push or pull load, and is widely used in automation equipment, industrial machinery, robotics and other fields.

[0003] In the prior art, although cylinder telescopic rod group has been widely used in automation equipment, industrial machinery and robotics and other fields, there are still some significant defects:

[0004] 1. It is unstable to insert and extract. The existing insertion and extraction device usually relies on single or small amount of steel needles for operation, which leads to positional deviation during insertion and extraction, affecting operation precision.

[0005] 2. Inconsistent feed speed. Due to lack of effective fixation and driving mechanism, the existing insertion and extraction device is difficult to maintain consistent feed speed, and the inconsistency is more obvious during slow or variable speed operation.

[0006] 3. Local stress concentration. The existing design usually installs driving cylinder in one position, which causes the weight and load of the entire structure to concentrate on a certain part, easily causing local stress concentration and increasing the risk of structural damage. It is prone to laboring phenomenon during use, and the structure needs to be processed and improved again, which increases the process and reduces work efficiency. Therefore, the present inventor proposes a cylinder telescopic rod group to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0007] The utility model is aimed at providing a technical solution to solve the above problems.

[0008] A cylinder telescopic rod group, comprising a mounting frame, a driving cylinder and a telescopic rod, the driving cylinder is installed at both ends of the mounting frame, the mounting frame is located between the two adjacent driving cylinders, the surface of the telescopic rod is connected with a rod sleeve, a buffer spring for reducing impact force is arranged between the telescopic rod and the rod sleeve, the buffer spring is located on the outer surface of the telescopic rod and is coaxially arranged with the telescopic rod, one end of the telescopic rod extends into the interior of the mounting frame, a matching hole for pairing with the telescopic rod is formed in the interior of the mounting frame, the matching hole penetrates the surface of the mounting frame, a needle holder is connected to the surface of the driving cylinder, a steel needle is installed on the surface of the needle holder, and the needle holder is used to drive the steel needle to move.

[0009] The structure adopts steel needles for insertion, is fixed through a needle seat, and is stably pushed by cooperating with a driving cylinder, so that the movement is consistent, the feeding speed is consistent, in addition, the telescopic rod adopts a retaining surface to be attached, plays a role in preventing power overload, adopts a way of increasing the amount of steel needles, plays a role in increasing more stability, better grabbing force, and larger total load, and also has the advantages of being small and light, so as to facilitate the user to carry.

[0010] The driving cylinder is respectively installed at both ends of the mounting frame, so that the weight and load of the whole structure can be evenly distributed, local stress concentration is avoided, the stability and durability of the whole structure are enhanced, the mounting frame serves as an intermediate support structure, the rigidity of the structure is increased, bending or twisting phenomena that may occur during work are reduced, the stability of the structure in operation is ensured.

[0011] The design of the buffer spring not only reduces the impact force, but also reduces the friction between the telescopic rod and the rod sleeve, prolongs the service life of the assembly, improves the smoothness of the movement, effectively absorbs and disperses the impact force when the telescopic rod is quickly extended and retracted, protects the structure from excessive impact, improves the safety and reliability of the equipment, provides dynamic balance during movement, reduces vibration caused by sudden start or stop, ensures the stability of the structure in operation, and when the driving cylinder is powered on, the needle seat is pushed by the driving cylinder, so that the steel needle is moved, thereby completing the extension and pushing process.

[0012] Further, the driving cylinder is internally provided with a top rod and a support rod, the length of the support rod is less than the length of the top rod, the top rod is arranged obliquely in the driving cylinder, and one end is attached to the surface of the mounting frame, one end of the support rod abuts against the surface of the needle seat, and the support rod is used to drive the needle seat to move;

[0013] The top rod effectively disperses the force applied by the driving cylinder, avoids local stress concentration, and enhances the stability and durability of the structure, and the support rod serves to support the needle seat. Since the length of the support rod is less than the length of the top rod, the support rod has a corresponding travel distance when it moves, and when the driving cylinder generates a driving force, the support rod is pushed by the driving force, so that the support rod drives the needle seat and the steel needle to move.

[0014] Further, one end of the driving cylinder is provided with a base for supporting, a plurality of mounting holes are formed on the surface of the base, locking bolts are connected to the surface of the mounting holes, and the locking bolts are used for fixing the mounting position of the driving cylinder and the base; the driving cylinder is fixed on the surface of the base through the mounting holes, so that the stability of the structure is ensured, the design can effectively prevent displacement or loosening of the driving cylinder during operation, and the mounting mode of the mounting holes and the locking bolts makes the installation of the driving cylinder simple and fast, and the dismounting process can be completed by only removing the locking bolts.

[0015] Further, a limiting ring for limiting the active stroke of the rod sleeve is mounted on the surface of the telescopic rod, and the limiting ring and the telescopic rod are in an integral forming structure; the integral forming mode can ensure that the position and size of the limiting ring are highly consistent, thereby providing more accurate limiting function; the structure helps to ensure smooth operation of the rod sleeve within the predetermined stroke range, improves the operation accuracy, effectively limits the active range of the rod sleeve, prevents the rod sleeve from exceeding the predetermined stroke range during the telescoping process, thereby avoiding unnecessary collision or damage, and due to the integrated design of the limiting ring and the telescopic rod, the friction is reduced, sliding of the limiting ring is avoided, and smooth movement of the rod sleeve during the telescoping process is ensured.

[0016] Further, the number of steel needles is four, and the arrangement mode of the four steel needles is two on the left and two on the right; the use of four steel needles can more evenly distribute the applied force during the inserting and taking process, reduce the pressure borne by a single steel needle, and avoid damage or failure caused by excessive local stress.

[0017] Further, the number of steel needles is eight, and the arrangement mode of the eight steel needles is four on the left and four on the right; the eight steel needles jointly bear the working load and share the wear degree of each steel needle, thereby prolonging the overall service life, reducing the replacement frequency and maintenance cost, and the design of the eight steel needles helps to disperse possible errors and reduce the influence of inaccurate positioning of a single steel needle, thereby ensuring the consistency and reliability of operation.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. Steel needles are used for inserting and taking, fixed through needle holders, and stably pushed by cooperating with driving cylinders, so that the activity is consistent, and the feeding speed is consistent.

[0020] 2. The telescopic rod is kept in surface adhesion, which plays a role in preventing force overload; the number of steel needles is increased, which plays a role in increasing stability, better grabbing force and larger total load; and the telescopic rod is small and light, so as to be convenient for users to carry.

[0021] 3、The driving cylinder is installed at both ends of the mounting frame, so that the weight and load of the whole structure can be evenly distributed, avoiding local stress concentration, enhancing the stability and durability of the overall structure, and the mounting frame serves as an intermediate support structure, increasing the rigidity of the structure, reducing the bending or twisting phenomenon that may occur during operation, and ensuring the smoothness of the structure operation. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of a cylinder telescopic rod group.

[0023] Figure 2 It is a perspective view of a cylinder telescopic rod group.

[0024] Figure 3 It is another perspective view of a cylinder telescopic rod group.

[0025] Figure 4 It is a perspective exploded view of a cylinder telescopic rod group.

[0026] Figure 5 It is another perspective exploded view of a cylinder telescopic rod group.

[0027] Figure 6 It is an axial exploded view of a cylinder telescopic rod group.

[0028] Figure 7 It is another axial exploded view of a cylinder telescopic rod group.

[0029] Figure 8 It is a solid modeling reference drawing in embodiment one of a cylinder telescopic rod group.

[0030] Figure 9 It is another solid modeling reference drawing in embodiment one of a cylinder telescopic rod group.

[0031] Figure 10 It is a solid modeling reference drawing in embodiment two of a cylinder telescopic rod group.

[0032] In the figure: mounting frame-1, driving cylinder-2, telescopic rod-3, rod sleeve-4, buffer spring-5, matching hole-6, needle seat-7, steel needle-8, ejector pin-9, support rod-10, base-11, locking bolt-12, limiting ring-13, mounting hole-14. DETAILED DESCRIPTION

[0033] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0034] Embodiment one:

[0035] Please refer to Figures 1-9A telescopic rod group of a cylinder telescopic rod assembly, comprising a mounting frame 1, a driving cylinder 2 and a telescopic rod 3, the driving cylinder 2 is respectively installed at both ends of the mounting frame 1, the mounting frame 1 is located between the two adjacent driving cylinders 2, the surface of the telescopic rod 3 is connected with a rod sleeve 4, the telescopic rod 3 and the rod sleeve 4 are provided with a buffer spring 5 for reducing impact force, the buffer spring 5 is located on the outer surface of the telescopic rod 3 and is coaxially arranged with the telescopic rod 3, one end of the telescopic rod 3 extends to the inside of the mounting frame 1, the inside of the mounting frame 1 is provided with a matching hole 6 for pairing with the telescopic rod 3, the matching hole 6 penetrates the surface of the mounting frame 1, the surface of the driving cylinder 2 is connected with a needle seat 7, the surface of the needle seat 7 is installed with a steel needle 8, the needle seat 7 is used to drive the steel needle 8 to move;

[0036] The structure adopts the steel needle 8 to be inserted and extracted, is fixed through the needle seat 7, is stably pushed in cooperation with the driving cylinder 2, so that the activity is consistent, the feeding speed is consistent, in addition, the telescopic rod 3 adopts the surface to be kept to be attached, plays a role in preventing power overload, adopts the mode of increasing the needle amount of the steel needle 8, plays a role in increasing more stability, better grabbing force and larger total load, and also has the advantages of being small and light, so as to be convenient for the user to carry;

[0037] The driving cylinder 2 is respectively installed at both ends of the mounting frame 1, so that the weight and load of the whole structure can be evenly distributed, local stress concentration is avoided, and the stability and durability of the overall structure are enhanced, and the mounting frame 1 serves as an intermediate support structure, increases the rigidity of the structure, reduces the bending or twisting phenomenon that may occur in the working process, and ensures the stability of the structure operation;

[0038] The design of the buffer spring 5 not only reduces the impact force, but also reduces the friction between the telescopic rod 3 and the rod sleeve 4, prolongs the service life of the assembly, improves the smoothness of the movement, can effectively absorb and disperse the impact force when the telescopic rod 3 quickly extends and retracts, protects the structure from excessive impact, improves the safety and reliability of the equipment, provides dynamic balance in the movement process, reduces the vibration caused by sudden starting or stopping, ensures the stability of the structure operation, when the driving cylinder 2 is powered on and operates, the needle seat 7 is pushed by the driving cylinder 2, so that the needle seat 7 drives the steel needle 8 to move, so as to complete the extension and pushing process.

[0039] The inside of the driving cylinder 2 is provided with a top rod 9 and a supporting rod 10, the length of the supporting rod 10 is less than the length of the top rod 9, the top rod 9 is obliquely arranged in the inside of the driving cylinder 2, and one end is attached to the surface of the mounting frame 1, one end of the supporting rod 10 abuts against the surface of the needle seat 7, and the supporting rod 10 is used to drive the needle seat 7 to move;

[0040] The top rod 9 plays a role of effectively dispersing the force applied by the driving cylinder 2, avoids local stress concentration, and enhances the stability and durability of the structure, and the support rod 10 plays a role of supporting the needle seat 7; since the length of the support rod 10 is smaller than that of the top rod 9, when the support rod 10 moves, the support rod 10 has a corresponding moving stroke distance; when the driving cylinder 2 generates a driving force, the driving force pushes the support rod 10, so that the support rod 10 drives the needle seat 7 and the steel needle 8 to move.

[0041] One end of the driving cylinder 2 is provided with a base 11 for supporting; the surface of the base 11 is provided with a plurality of mounting holes 14; the surface of the mounting hole 14 is connected with a locking bolt 12; the locking bolt 12 is used for fixing the mounting position of the driving cylinder 2 and the base 11; the locking bolt 12 fixes the driving cylinder 2 on the surface of the base 11 through the mounting hole 14, so as to ensure the stability of the structure; the design can effectively prevent the driving cylinder 2 from moving or loosening during operation; the mounting mode of the mounting hole 14 and the locking bolt 12 makes the installation of the driving cylinder 2 simple and fast; when disassembling, the locking bolt 12 is only needed to be dismounted to complete the dismounting process.

[0042] The surface of the telescopic rod 3 is provided with a limiting ring 13 for limiting the moving stroke of the rod sleeve 4; the limiting ring 13 and the telescopic rod 3 are in an integrated structure; the integrated mode can ensure that the position and size of the limiting ring 13 are highly consistent, so as to provide more accurate limiting function; the structure helps to ensure that the rod sleeve 4 stably operates in the predetermined stroke range, improves the operation accuracy, and simultaneously, the limiting ring 13 effectively limits the moving range of the rod sleeve 4, prevents the telescopic rod 3 from exceeding the predetermined stroke range, so as to avoid unnecessary collision or damage; since the limiting ring 13 and the telescopic rod 3 are in an integrated design, the friction force is reduced, the limiting ring 13 is prevented from sliding, and the smooth movement of the rod sleeve 4 in the telescopic process is ensured.

[0043] The number of the steel needles 8 is four; the arrangement mode of the four steel needles 8 is that two steel needles are arranged on the left and two steel needles are arranged on the right; the four steel needles 8 can more uniformly distribute the applied force in the inserting and taking process, reduce the pressure borne by a single steel needle 8, and avoid damage or failure caused by excessive local stress.

[0044] The design points of the utility model are as follows: the structure adopts the steel needles 8 to insert and take, is fixed through the needle seat 7, and is stably pushed through cooperation of the driving cylinder 2, so that the moving consistency and the feeding speed consistency are achieved; in addition, the telescopic rod 3 adopts the face sticking mode, plays a role of preventing force overload, adopts the mode of increasing the number of the steel needles 8, plays a role of increasing stability, better grabbing force, and larger total load, and simultaneously has the advantages of small size, light weight, and portability, so as to be convenient for the user to carry.

[0045] Embodiment Two:

[0046] Please refer to Figures 1-8 and Figure 10 A cylinder telescopic rod group of the specific implementation, including mounting frame 1, drive cylinder 2 and telescopic rod 3, the drive cylinder 2 is installed at the two ends of mounting frame 1 respectively, mounting frame 1 is located between the adjacent two drive cylinders 2, the surface of telescopic rod 3 is connected with rod sleeve 4, the buffer spring 5 for reducing impact force is arranged between telescopic rod 3 and rod sleeve 4, the buffer spring 5 is located on the outer surface of telescopic rod 3, and is coaxially arranged with telescopic rod 3, one end of telescopic rod 3 extends to the inside of mounting frame 1, the inside of mounting frame 1 is provided with a matching hole 6 used in pairs with telescopic rod 3, the matching hole 6 penetrates the surface of mounting frame 1, the surface of drive cylinder 2 is connected with needle holder 7, the surface of needle holder 7 is provided with steel needle 8, and needle holder 7 is used to drive steel needle 8 to move;

[0047] The number of steel needles 8 is eight, and the arrangement mode of the eight steel needles 8 is four on the left and four on the right, so that the eight steel needles 8 jointly bear the working load, share the wear degree of each steel needle 8, prolong the overall service life, reduce the replacement frequency and maintenance cost, and the design of the eight steel needles 8 helps to disperse possible errors, reduces the influence of inaccurate positioning of a single steel needle 8, ensures the consistency and reliability of operation, and changes the number of steel needles 8 to obtain the effect of dispersing force and increasing connection stability.

[0048] The above is a further detailed description of the utility model in combination with specific preferred embodiments, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as the protection scope of the utility model.

Claims

1. A cylinder telescopic rod assembly, comprising a mounting bracket, a drive cylinder, and a telescopic rod, characterized in that: The drive cylinders are respectively installed at both ends of the mounting frame, and the mounting frame is located between two adjacent drive cylinders. The surface of the telescopic rod is connected to a rod sleeve. A buffer spring for reducing impact force is provided between the telescopic rod and the rod sleeve. The buffer spring is located on the outer surface of the telescopic rod and is coaxially arranged with the telescopic rod. One end of the telescopic rod extends into the interior of the mounting frame. The interior of the mounting frame is provided with a mating hole for use with the telescopic rod. The mating hole penetrates the surface of the mounting frame. A needle seat is connected to the surface of the drive cylinder. A steel needle is installed on the surface of the needle seat. The needle seat is used to drive the steel needle to move.

2. The cylinder telescopic rod assembly according to claim 1, characterized in that: The drive cylinder has a push rod and a support rod inside. The length of the support rod is less than the length of the push rod. The push rod is arranged obliquely inside the drive cylinder, and one end is in contact with the surface of the mounting bracket. One end of the support rod abuts against the surface of the needle seat. The support rod is used to drive the needle seat to move.

3. The cylinder telescopic rod assembly according to claim 1, characterized in that: One end of the drive cylinder is equipped with a support base. The surface of the base has several mounting holes, and locking bolts are connected to the surface of the mounting holes. The locking bolts are used to fix the installation position of the drive cylinder and the base.

4. A cylinder telescopic rod assembly according to any one of claims 1-3, characterized in that: The surface of the telescopic rod is fitted with a limiting ring to limit the movement of the rod sleeve. The limiting ring and the telescopic rod are integrally formed.

5. A cylinder telescopic rod assembly according to any one of claims 1-3, characterized in that: The number of steel needles is four.

6. A cylinder telescopic rod assembly according to any one of claims 1-3, characterized in that: The number of steel needles is eight.

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