Cylinder-driven pitch changing mechanism

Abstract

The utility model discloses an air cylinder driven pitch changing mechanism which comprises a push rod assembly and a sliding block mechanism. The push rod assembly is provided with a power part and a push rod in driving connection with the power part, and the push rod is driven to do linear motion in the first direction; the sliding block mechanism is provided with a support and a plurality of sets of sliding block assemblies which are installed on the support and can movably move in the first direction, the push rod and the sliding block assemblies form an abutting structure in the first direction, when the push rod is pushed outwards, the sliding block assemblies can be unfolded in a variable-pitch mode, and a reset structure is arranged between every two adjacent sets of sliding block assemblies. The cylinder-driven pitch changing mechanism is simple in structure and convenient to install, debug and maintain. The cylinder-driven variable-pitch mechanism is suitable for various types of products. According to the cylinder-driven pitch changing mechanism, the production efficiency can be improved, the pitch changing action of the sliding block is more accurate and quicker through an accurate guiding system and a stable limiting and resetting mechanism, and the takt of feeding pitch changing and pitch changing disc changing is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of automation equipment technology, specifically to a cylinder-driven variable pitch mechanism. Background Technology

[0002] In today's era of rapid advancements in modern manufacturing technology, automated production is becoming increasingly sophisticated. With the continuous expansion of production scale and the accelerating pace of production, the demand for variable-pitch feeding and variable-pitch tray changing operations in automated production is growing exponentially. To precisely meet the stringent requirements of high-efficiency production and achieve continuous improvement in production efficiency, variable-pitch feeding and variable-pitch tray changing technologies have been widely applied in the field of automated equipment, becoming a key link in improving the level of automated production. However, it is undeniable that existing variable-pitch mechanisms have gradually revealed numerous shortcomings in actual operation, such as complex structures, slow response, and poor accuracy. Faced with complex and dynamically changing production process demands, these traditional variable-pitch mechanisms are inadequate and unable to cope effectively, severely restricting further improvements in production efficiency and product quality.

[0003] Therefore, it is evident that developing a high-performance, highly adaptable variable pitch mechanism that can flexibly cope with diverse production scenarios has become an urgent task that needs to be addressed in the industry, and has extremely important practical significance and value. Utility Model Content

[0004] This utility model aims to provide a cylinder-driven pitch-changing mechanism, which enables the slider mechanism to achieve precise guidance under the drive of the push rod mechanism, using linear bearings and guide rods, and to provide limiting force and reset force with the help of pull rods and tension springs, thereby achieving stable pitch change of the slider to meet the diverse feeding pitch change and pitch change disc changing process requirements in automated equipment.

[0005] To solve the above technical problems, this utility model provides the following solution: A cylinder-driven pitch-changing mechanism of this utility model includes:

[0006] A push rod assembly having a power unit and a push rod drivenly connected to the power unit, the push rod being driven to move linearly in a first direction;

[0007] The slider mechanism has a bracket and multiple slider assemblies mounted on the bracket and movable along a first direction. The push rod forms an abutment structure with each slider assembly in the first direction, and when the push rod is pushed outward, it can cause each slider assembly to expand with a variable pitch. A reset structure is provided between each pair of adjacent slider assemblies.

[0008] Furthermore, the push rod and a connecting block form an L-shaped structural component, and the connecting block is connected to the drive end of the power unit.

[0009] Furthermore, the power unit is a cylinder, the drive shaft of which is connected to the push rod, and the housing of the cylinder is fixed to the bracket.

[0010] 4. Further, the cylinder housing is provided with an air connector and a speed regulating valve is provided on the air connector.

[0011] Furthermore, sensors for sensing the position of the drive shaft are installed at both the front and rear ends of the cylinder's drive shaft.

[0012] Furthermore, the bracket is provided with an elongated hole and a guide rod in the first direction, and multiple sets of slider assemblies are sleeved on the guide rod through linear bearings and the multiple sets of slider assemblies are restricted to move within the area of ​​the elongated hole.

[0013] Furthermore, the slider assembly includes:

[0014] A slider is arranged along a second direction, wherein the second direction is perpendicular to the first direction, and a vacuum cavity is provided at the lower end of the slider;

[0015] A vacuum suction cup is installed at the lower end of the slider and communicates with the first end of the vacuum chamber;

[0016] A quick-connect air connector is located on the side of the slider and communicates with the second end of the vacuum chamber.

[0017] Furthermore, each slider has a protrusion at its upper end, and the lower side of the push rod has multiple protrusions, each protrusion abutting against each protrusion in a first direction.

[0018] Furthermore, the reset structure includes:

[0019] A pull rod fixed to the upper end of each slider;

[0020] Multiple tension springs are used, with each pair of adjacent tension rods connected by a tension spring.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] 1. The cylinder-driven pitch-changing mechanism of this utility model has a simple structure: The overall structure of the cylinder-driven pitch-changing mechanism of this utility model is simple and clear, and the connection and cooperation between the components are clear, which facilitates installation, debugging and maintenance, and reduces the overall cost and maintenance difficulty of the equipment.

[0023] 2. This utility model's cylinder-driven pitch-changing mechanism is applicable to a wide range of products: through reasonable structural design and parameter adjustment, it can adapt to various products of different sizes, shapes, and weights for loading pitch-changing and pitch-changing disc-changing operations, greatly improving the equipment's versatility and applicability.

[0024] 3. This utility model's cylinder-driven pitch-changing mechanism can improve production efficiency: the precise guiding system and stable limiting and resetting mechanisms make the slider's pitch-changing action more accurate and faster, effectively improving the cycle time of loading pitch change and pitch-changing disc changing. At the same time, the stable gripping and pitch-changing process can reduce product damage during operation, improve product yield, and thus significantly improve production efficiency. Attached Figure Description

[0025] Figure 1 This is a structural diagram of the cylinder-driven pitch-changing mechanism of this utility model.

[0026] Figure 2 This is a structural diagram of the push rod assembly of this utility model.

[0027] Figure 3 This is a structural diagram of the slider mechanism of this utility model.

[0028] The attached diagram is labeled as follows: bracket 1, guide rod 2, linear bearing 3, slider 4, vacuum suction cup 5, quick air connector 6, pull rod 7, tension spring 9, cylinder 10, sensor 12, speed control valve 13, connecting block 14, push rod 15, protrusion 41, protrusion 151, push rod assembly 100, slider mechanism 200. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0031] Example 1: The specific structure of this utility model is as follows:

[0032] Please refer to Figure 3. The present invention provides a cylinder-driven variable pitch mechanism, which includes a push rod assembly 100 and a slider mechanism 200.

[0033] The push rod assembly 100 has a power unit and a push rod 15 drivenly connected to the power unit, the push rod 15 being driven to move linearly in a first direction.

[0034] The power unit is a cylinder 10, and the drive shaft of the cylinder 10 is connected to the push rod 15 via a connecting block 14, ensuring that the push rod 15 can move linearly under the precise control of the cylinder 10. The push rod 15 and the connecting block 14 are connected to form an L-shaped structure, achieving a stable connection and ensuring that power can be effectively transmitted.

[0035] The cylinder 10 has an air connector on its housing and a speed control valve 13 on the air connector. The speed control valve 13 controls the movement speed of the piston rod of the cylinder 10.

[0036] Sensors 12 for sensing the position of the drive shaft are installed at both the front and rear ends of the drive shaft of the cylinder 10.

[0037] The slider mechanism 200 has a bracket 1 and multiple slider assemblies mounted on the bracket 1 and movable along a first direction. The push rod 15 forms an abutment structure with each slider assembly in the first direction, and when the push rod 15 is pushed outward, it can cause each slider assembly to expand with a variable pitch. A reset structure is provided between each pair of adjacent slider assemblies. The housing of the cylinder 10 is fixed to the bracket 1.

[0038] The bracket 1 has an elongated hole and a guide rod 2 in a first direction. Multiple sets of slider assemblies are sleeved on the guide rod 2 via linear bearings 3, and the multiple sets of slider assemblies are restricted to move within the area of ​​the elongated hole. The linear bearings 3 slide smoothly on the guide rod 2, ensuring the linear accuracy of the slider mechanism 200's movement.

[0039] The slider assembly includes:

[0040] A slider 4 is arranged along a second direction, wherein the second direction is perpendicular to the first direction, and a vacuum cavity is provided at the lower end of the slider 4;

[0041] Vacuum suction cup 5 is installed at the lower end of the slider 4 and communicates with the first end of the vacuum chamber;

[0042] A quick-connect air connector 6 is located on the side of the slider 4 and communicates with the second end of the vacuum chamber.

[0043] The vacuum suction cup 5 uses a vacuum chamber to pick up products. In actual operation, the vacuum source is connected to the vacuum suction cup 5 through the quick air connector 6, the vacuum system is started, and the vacuum suction cup 5 can pick up the products.

[0044] Each slider 4 has a protrusion 41 at its upper end, and the lower side of the push rod 15 has multiple protrusions 151 distributed thereon, with each protrusion 151 abutting against each protrusion 41 in a first direction. The multiple protrusions 151 can be evenly or unequally distributed, depending on actual needs. When the cylinder 10 drives the push rod 15 to move outward, the push rod 15 can unfold each slider 4 with a variable distance.

[0045] The reset structure includes:

[0046] A pull rod 7 is fixed to the upper end of each slider 4;

[0047] Multiple tension springs 9 are used to connect every two adjacent tension rods 7.

[0048] When the cylinder 10 drives the push rod 15 to retract, each slider 4 is reset by the return force of the tension spring 9.

[0049] In summary, the cylinder-driven pitch-changing mechanism of this utility model has a simple structure: its overall design is concise and clear, with clear connections and coordination between components, facilitating installation, debugging, and maintenance, thus reducing overall equipment costs and maintenance difficulty. This cylinder-driven pitch-changing mechanism is applicable to a wide range of products: through reasonable structural design and parameter adjustment, it can adapt to various sizes, shapes, and weights for loading pitch-changing and pitch-changing disc-changing operations, greatly improving the equipment's versatility and applicability. This cylinder-driven pitch-changing mechanism improves production efficiency: the precise guiding system and stable limit and reset mechanisms make the slider's pitch-changing action more accurate and faster, effectively increasing the cycle time for loading pitch-changing and pitch-changing disc-changing. Simultaneously, the stable gripping and pitch-changing process reduces product damage during operation, improving product yield and thus significantly enhancing production efficiency.

[0050] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A cylinder drive variable pitch mechanism characterized by, The application relates to a push rod assembly (100) and a slider mechanism (200). The push rod (15) and a connecting block (14) form an L-shaped structure, the connecting block (14) is connected with a driving end of the power part. The power part is a cylinder (10), a driving shaft of the cylinder (10) is connected with the push rod (15), and a shell of the cylinder (10) is fixed to the support (1).

2. A cylinder drive variable stroke mechanism according to claim 1, characterized in that The shell of the cylinder (10) is provided with a gas joint, and a speed regulating valve (13) is arranged on the gas joint.

3. A cylinder drive variable stroke mechanism according to claim 1, wherein The driving shaft of the cylinder (10) is provided with sensors (12) at front and rear ends of the driving shaft.

4. A cylinder drive variable stroke mechanism according to claim 3, wherein The support (1) is provided with a long hole and a guide rod (2) in the first direction, a plurality of slider assemblies are sleeved with linear bearings (3) on the guide rod (2), and the plurality of slider assemblies are limited to move in the long hole region.

5. A cylinder drive variable stroke mechanism according to claim 3, wherein The slider assembly comprises:

6. A cylinder drive variable stroke mechanism according to claim 1, wherein A slider (4) arranged in a second direction, wherein the second direction is perpendicular to the first direction, and the lower end of the slider (4) is provided with a vacuum cavity.

7. A cylinder drive variable stroke mechanism according to claim 6, wherein A vacuum chuck (5) is arranged on the lower end of the slider (4) and is communicated with a first end of the vacuum cavity. A quick gas joint (6) is arranged on the side of the slider (4) and is communicated with a second end of the vacuum cavity. The upper end of each slider (4) is provided with a protrusion (41), and the lower side of the rod body of the push rod (15) is distributed with a plurality of protrusions (151), each protrusion (151) is one-to-one abutted with each protrusion (41) in the first direction. The reset structure comprises:

8. A cylinder drive variable stroke mechanism according to claim 7, wherein A pull rod (7) fixed to the upper end of each slider (4); 9. A cylinder drive variable stroke mechanism according to claim 7, wherein A plurality of tension springs (9) are arranged between every two adjacent pull rods (7). ​ ​

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