A knife sheath 90° flipping mechanism

Abstract

This utility model relates to the technical field of CNC machine tools and automated machining equipment, and in particular to a 90° tool holder flipping mechanism, comprising: a chain link; a tool mechanism including a rotating block, a tool holder disposed at one end of the rotating block and a sliding component at the other end, a rotating shaft rotatably connected to the rotating block, and the rotating shaft rotatably connected to the chain link; a driving mechanism including a driving component and a tool-reversing block connected to the output end of the driving component; the tool-reversing block has a tool-reversing edge, the sliding component is accommodated in the tool-reversing edge, the driving component pushes and pulls the tool-reversing block, the tool-reversing block pushes and pulls the sliding component, and drives the tool holder to rotate around the rotating shaft. This utility model connects the tool-reversing block to the output end of the driving component, and the action of pushing the tool-reversing block is transmitted to the sliding component, causing the rotating shaft to rotate, driving the tool holder to flip smoothly and stably around the rotating shaft. The tool holder can perform a precise 90° flip when needed, optimizing the tool management process and meeting the higher requirements of modern CNC equipment for operational speed and precision.

Description

Technical Field

[0001] This utility model relates to the technical field of CNC machine tools and automated processing equipment, and in particular to a tool holder 90° flipping mechanism. Background Technology

[0002] With the development of CNC machining equipment and the improvement of intelligent manufacturing levels, modern machining centers are increasingly relying on tool magazines as a key component to store and manage various tools. During the machining process, tool magazines not only need to efficiently complete the task of storing tools, but also need to be able to quickly and accurately exchange and transfer tools, thereby meeting the efficiency and accuracy requirements of the machining process.

[0003] In existing technologies, the relative movement of the cutting tool and the robotic arm creates a 90° positional relationship. Adjusting this positional relationship requires a mechanism that can change the tool's position. However, limitations imposed by the workspace in the production workshop, the positions of the cutting tool and the robotic arm, and the positions of the tool magazine and external machine tools prevent the installation of the tool position changing mechanism in existing technologies, thus hindering the movement of the tool holder. Therefore, there is an urgent need for a mechanism that can flip the tool holder to achieve a change in the direction of the cutting tool within a limited space, thus achieving a 90° flip. Utility Model Content

[0004] In view of at least one of the above technical problems, the present invention provides a 90° flipping mechanism for a blade sheath, which adopts an improvement in the blade feeding structure to achieve a 90° angle flipping.

[0005] According to a first aspect of this utility model, a 90° flipping mechanism for a blade sheath is provided, comprising: Chain link; The cutting tool mechanism includes a rotating block, a tool sleeve disposed at one end of the rotating block and a sliding assembly at the other end, and a rotating shaft rotatably connected to the rotating block, the rotating shaft being rotatably connected to the chain link; The driving mechanism includes a driving component and a reversing block connected to the output end of the driving component; The reversed blade block has a reversed cutting edge, the sliding assembly is housed within the reversed cutting edge, the driving member pushes and pulls the reversed blade block, the reversed blade block pushes and pulls the sliding assembly, and drives the blade sleeve to rotate around the rotating shaft.

[0006] In some embodiments of this utility model, the reverse cutting block includes a connecting plate connected to the output end of the drive component, a reverse cutting plate connected to the connecting plate and having a bent portion, the bent portion being arranged parallel to the connecting plate, and a reverse cutting edge being formed between the connecting plate and the reverse cutting plate.

[0007] In some embodiments of this utility model, the connecting plate at the chamfered edge has a chamfered end face away from the chamfered edge.

[0008] In some embodiments of this utility model, the chamfered blade at the chamfered edge has a chamfered end face away from the chamfered edge.

[0009] In some embodiments of this utility model, the rotating block has an extension arm at one end of the sliding component, and one end of the extension arm extends into the cutting edge.

[0010] In some embodiments of this utility model, the sliding component includes a roller, which is rotatably connected to one end of the extension arm and slides in contact with the cutting edge.

[0011] In some embodiments of this utility model, the extension arm includes a circular segment extending into the blade opening, and a tightening segment connected to the circular segment.

[0012] In some embodiments of this utility model, the diameter of the roller is larger than that of the circular segment.

[0013] In some embodiments of this invention, the outer periphery of the roller has a wear-resistant layer.

[0014] In some embodiments of this invention, a gasket is also provided between the rotating block and the chain link.

[0015] The beneficial effects of this utility model are as follows: The drive component of this utility model is connected to the tool-reversing block through the output end. The tool-reversing edge provided on the tool-reversing block is used to accommodate the sliding component. When the drive component is started, the action of pushing the tool-reversing block is transmitted to the sliding component, which rotates through the rotating shaft, thereby driving the tool holder to rotate smoothly and stably around the rotating shaft. The tool holder can be precisely rotated 90° when needed, which optimizes the tool management process and meets the higher requirements of modern CNC equipment for operation speed and precision. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the 90° flipping mechanism of the blade sheath in an embodiment of this utility model; Figure 2 This is a structural schematic diagram from one perspective of the flipping process in the 90° flipping mechanism of the blade sheath in an embodiment of this utility model; Figure 3 This is a structural schematic diagram of the 90° flipping mechanism of the blade sheath in an embodiment of the present invention, from another perspective of the flipping process; Figure 4 This is a schematic diagram of the structure of the 90° flipping mechanism of the blade sheath in this embodiment of the present invention when the blade sheath is pushed out; Figure 5 As an embodiment of this utility model Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0018] Reference numerals: 1. Chain link; 11. Washer; 2. Tool mechanism; 21. Rotating block; 21a. Extension arm; 21a1. Circular segment; 21a2. Tightening segment; 22. Tool holder; 23. Sliding assembly; 23a. Roller; 24. Rotating shaft; 3. Drive mechanism; 31. Drive component; 32. Reverse tool block; 32a. Reverse tool edge; 32b. Connecting plate; 32c. Reverse tool plate; 32c1. Bending part; 32d. Chamfer. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] like Figures 1 to 5 The 90° flipping mechanism for the tool holder shown includes: Chain link 1. It should be noted that chain link 1 can come in many forms, and can be of different shapes and specifications.

[0023] The cutting tool mechanism 2 includes a rotating block 21, a tool sleeve 22 disposed at one end of the rotating block 21 and a sliding component 23 disposed at the other end, and a rotating shaft 24 rotatably connected to the rotating block 21, the rotating shaft 24 being rotatably connected to the chain link 1.

[0024] The drive mechanism 3 includes a drive element 31 and a reversing block 32 connected to the output end of the drive element 31. It should be noted that the drive element 31 can take many forms, such as hydraulic drive, pneumatic drive, or other driveable structures.

[0025] The reverse cutting block 32 has a reverse cutting edge 32a, and the sliding component 23 is housed in the reverse cutting edge 32a. The driving component 31 pushes and pulls the reverse cutting block 32, and the reverse cutting block 32 pushes and pulls the sliding component 23, thereby driving the tool sleeve 22 to rotate around the rotating shaft 24.

[0026] like Figure 2 , Figure 3 As shown, in the actual operation of the tool holder 2290° flipping mechanism of this utility model, firstly, the chain link 1 provides basic mechanical support and position fixation, making the overall structure relatively stable in the tool magazine. When the tool on the chain link 1 moves to the position where it needs to be deployed or deployed, the drive mechanism 3 is activated and provides a linear push-pull motion. The output of the drive mechanism 3 is transmitted through the tool reversing block 32. Driven by the drive member 31, the tool reversing block 32 begins to push and pull in its axial direction. As the tool reversing block 32 moves, the sliding component 23 in the tool reversing edge 32a is pushed and pulled, and the resulting force is transmitted to the rotating block 21 of the entire tool mechanism 2. The rotating block 21 rotates around the rotating shaft 24 connected to the chain link 1, driving the tool holder 22 to perform the required flipping action, ensuring that the flipping angle reaches 90°, so that the tool can be adjusted in different positions and directions to cooperate with the gripping of the robot arm. Similarly, during the process of the tool holder 22 picking up the tool and sending it back to the tool magazine, the drive mechanism 3 pulls the sliding component 23 to rotate, thereby driving the tool holder 22 on the other end of the rotating block 21 back to its initial position. This cycle is repeated to achieve the picking up and sending of the tool on the tool holder 22.

[0027] The drive unit 31 of this utility model is connected to the tool-reversing block 32 through the output end. The tool-reversing edge 32a provided on the tool-reversing block 32 is used to accommodate the sliding component 23. When the drive unit 31 is started, the action of pushing the tool-reversing block 32 is transmitted to the sliding component 23, which rotates through the rotating shaft 24, thereby driving the tool holder 22 to rotate smoothly and stably around the rotating shaft 24. The tool holder 22 can be precisely rotated 90° when needed, which optimizes the tool management process and meets the higher requirements of modern CNC equipment for operation speed and precision.

[0028] Existing technologies suffer from problems such as complex structure, large space occupation, and unstable operation or insufficient accuracy due to uneven force distribution or excessively long transmission paths during actual operation. Figure 4 , Figure 5 As shown, the reversing block 32 includes a connecting plate 32b connected to the output end of the drive member 31, and a reversing plate 32c connected to the connecting plate 32b and having a bent portion 32c1. The bent portion 32c1 is arranged parallel to the connecting plate 32b, and the reversing edge 32a is between the connecting plate 32b and the reversing plate 32c. The direct connection between the connecting plate 32b and the drive member 31 simplifies the power transmission path, allowing the driving force to be transmitted to the reversing plate 32c quickly and efficiently. The reversing edge 32a between the connecting plate 32b and the reversing plate 32c is used to accommodate the sliding component 23, which is the core of the entire system for performing the flipping action. Due to the presence of the bent portion 32c1, it remains parallel to the connecting plate 32b, which helps to stabilize the position of the sliding component 23 during operation and reduces the shaking phenomenon during the flipping process. This not only reduces complexity but also saves space through structural compactness.

[0029] To ensure the smooth execution of the entire flipping motion, such as Figure 5 As shown, the connecting plate 32b at the chamfer 32a has a chamfer 32d on its end face away from the chamfer 32a. When the sliding assembly 23 enters the working position through the chamfer 32a, the chamfer 32d provides a smooth transition area, transforming the sharp friction that might have been caused by direct contact into smooth sliding. This not only protects the sliding assembly 23 from excessive mechanical stress but also reduces physical wear caused by the interaction between components, significantly improving the overall durability of the structure.

[0030] Continue to refer to Figure 5 As shown, the chamfered blade 32c at the chamfered edge 32a has a chamfered corner 32d on its end face away from the chamfered edge 32a. The chamfered corner 32d provides a transition buffer area for the sliding component 23, effectively dispersing the mechanical wear that would otherwise be caused by the adsorption of sharp angles or straight edges, thereby increasing the smoothness between the sliding component 23 and the chamfered blade 32c.

[0031] The sliding component 23 on the other end of the rotating block 21, under the push of the drive mechanism 3, in order to prevent the sliding component 23 from leaving the cutting edge 32a, as follows: Figure 2 , Figure 3 , Figure 4As shown, the rotating block 21 has an extension arm 21a at one end of the sliding component 23, with one end of the extension arm 21a extending into the chamfer 32a. The extension arm 21a provides additional support and stability to the sliding component 23, making its movement within the chamfer 32a smoother. The design of the extension arm 21a extending into the chamfer 32a effectively prevents unnecessary lateral displacement or swaying of the sliding component 23 during operation, ensuring the accuracy of the movement path. The extended structure of the extension arm 21a increases the contact area with the chamfer 32a, providing greater force support for the sliding component 23, which not only alleviates local pressure during movement but also provides a more balanced force distribution and power transmission.

[0032] Traditional sliding components 23 typically employ direct contact or planar sliding structures, which may lead to less smooth operation due to increased friction along the sliding path, and also exacerbate component wear, thus affecting the long-term performance of the system. For example... Figure 5 As shown, the sliding component 23 includes a roller 23a, which is rotatably connected to one end of the extension arm 21a. The roller 23a slides within the chamfer 32a. The roller 23a replaces the traditional planar friction contact with rolling contact, effectively reducing resistance during sliding. The rolling mechanism reduces the coefficient of friction between the sliding component 23 and the chamfer 32a, making the movement of the component smoother, reducing wear, and extending the service life of both the chamfer 32a and the sliding component 23. The roller 23a, rotatably connected to one end of the extension arm 21a and forming a direct sliding engagement with the chamfer 32a, provides precise guidance and support for the sliding component 23, enabling it to run along a predetermined trajectory during the flipping motion, avoiding deviation or wobbling, and improving the accuracy and reliability of the flipping action.

[0033] The extension arm 21a typically has a single straight-line shape, failing to adequately consider the precise fit within the chamfer 32a and the force distribution during the sliding process. (Continue to refer to...) Figure 5 As shown, the extension arm 21a includes a circular segment 21a1 that extends into the cutting edge 32a, and a tightening segment 21a2 connected to the circular segment 21a1. The curve of the circular segment 21a1 better resists the effects of lateral impacts or uneven forces, thereby ensuring the stability of the sliding assembly 23 during operation and providing more stable and precise support for the entire flipping mechanism. The tightening segment 21a2 connected to the circular segment 21a1 further optimizes the force transmission and the positioning effect of the sliding assembly 23, enabling the extension arm 21a and the sliding assembly 23 to form a tight connection. Its structure gradually converges, providing higher fitting accuracy for the connection and sliding of the roller 23a.

[0034] like Figure 5As shown, the diameter of roller 23a is larger than that of circular segment 21a1. The large diameter of roller 23a reduces the coefficient of friction between sliding component 23 and blade edge 32a. The roller surface makes rolling rather than sliding contact, which converts friction into more efficient rolling friction, reducing energy loss and ensuring smooth and energy-saving sliding motion.

[0035] As a crucial component of the sliding assembly 23, the roller 23a's outer peripheral surface directly contacts the chamfer 32a, undertaking the critical tasks of stable sliding and force transmission. However, in high-frequency, long-term operating environments, traditional rollers 23a, due to insufficient surface wear resistance, are prone to wear from intense friction or repetitive motion, leading to decreased accuracy and even affecting the overall structural stability and service life. In some embodiments of this invention, the outer periphery of the roller 23a has a wear-resistant layer. After covering the outer periphery of the roller 23a with wear-resistant material, even with repeated sliding contact within the chamfer 32a, its surface can still maintain good anti-friction performance, reducing surface depressions or unevenness caused by wear and ensuring smooth rolling contact.

[0036] As the core component of the tool mechanism 2, the quality of the connection between the rotating block 21 and the chain link 1 directly affects the stability of the flipping action and the overall mechanical performance. For example... Figure 4 As shown, a shim 11 is also provided between the rotating block 21 and the chain link 1. As an intermediate buffer layer, the shim 11 can withstand the pressure generated by the two during operation and disperse the friction force. It not only protects the surface of the connecting parts from wear, but also avoids the noise caused by direct metal contact, making the flipping operation quieter and smoother.

[0037] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A 90° flipping mechanism for a blade sheath, characterized in that, include: Chain link; The cutting tool mechanism includes a rotating block, a tool sleeve disposed at one end of the rotating block and a sliding assembly at the other end, and a rotating shaft rotatably connected to the rotating block, the rotating shaft being rotatably connected to the chain link; The driving mechanism includes a driving component and a reversing block connected to the output end of the driving component; The reversed blade block has a reversed cutting edge, the sliding assembly is housed within the reversed cutting edge, the driving member pushes and pulls the reversed blade block, the reversed blade block pushes and pulls the sliding assembly, and drives the blade sleeve to rotate around the rotating shaft.

2. The 90° flipping mechanism for the blade sheath according to claim 1, characterized in that, The reverse cutting block includes a connecting plate connected to the output end of the drive component, and a reverse cutting plate connected to the connecting plate and having a bent portion. The bent portion is arranged parallel to the connecting plate, and the reverse cutting edge is between the connecting plate and the reverse cutting plate.

3. The 90° flipping mechanism for the blade sheath according to claim 2, characterized in that, The connecting plate at the chamfered edge has a chamfered end face away from the chamfered edge.

4. The 90° flipping mechanism for the blade sheath according to claim 2, characterized in that, The chamfered blade at the chamfered edge has a chamfered end face away from the chamfered edge.

5. The 90° flipping mechanism for the blade sheath according to claim 2, characterized in that, The rotating block has a sliding component at one end and an extension arm at one end, with one end of the extension arm extending into the cutting edge.

6. The 90° flipping mechanism for the blade sheath according to claim 5, characterized in that, The sliding assembly includes a roller rotatably connected to one end of the extension arm, and the roller slides in contact within the cutting edge.

7. The 90° flipping mechanism for the blade sheath according to claim 6, characterized in that, The extension arm includes a circular segment that extends into the blade opening, and a tightening segment connected to the circular segment.

8. The 90° flipping mechanism for the blade sheath according to claim 7, characterized in that, The diameter of the roller is larger than that of the circular segment.

9. The 90° flipping mechanism for the blade sheath according to claim 8, characterized in that, The outer periphery of the roller has a wear-resistant layer.

10. The 90° flipping mechanism for the blade sheath according to claim 1, characterized in that, A gasket is also provided between the rotating block and the chain link.

Images