A blade quick-change mounting structure

Abstract

The utility model belongs to the blade installation technical field especially relates to blade quick change mounting structure, including tool bit, briquetting, locking piece, spring and blade, one side of tool bit is equipped with recess, recess extends to the end of tool bit, tool bit is equipped with the first guide groove and the second guide groove through its both sides, and the first guide groove and the second guide groove are formed on the two side walls of recess, and the first guide groove and the second guide groove are obliquely arranged with the groove bottom of recess, briquetting is located in recess, the inside of briquetting is equipped with the pressing surface, and the both sides of briquetting are equipped with the first limit lever of the first guide groove and the second limit lever of the second guide groove, one side of briquetting is equipped with the installation site, locking piece is pivoted in the installation site, one end of locking piece is equipped with the pressing portion, the other end is equipped with the clamping hook, one side of tool bit is equipped with the clamping groove with the clamping hook cooperation, compression spring is located between pressing portion and briquetting.

Description

Technical Field

[0001] This utility model belongs to the field of conduit processing technology, and in particular relates to a quick-change blade installation structure. Background Technology

[0002] Hose, wire, and similar materials often require being cut to a fixed length during processing into finished products. This fixed-length cutting of pipes and wires requires the use of a blade. For example, Chinese utility model patent document CN213614465U discloses a slitting device for an automatic copper busbar heat shrink tubing circumferential cutting machine. This device includes a frame, an operating table on the frame, a fixed frame on the operating table, a circumferential cutting mechanism on the fixed frame, an operating port on the fixed frame, and a slitting mechanism below the operating table. The slitting mechanism includes a slitting cylinder mounted on the fixed frame. A fixed seat is located at the front end of the slitting cylinder, and a sliding block that moves vertically within the fixed seat. A slitting guide rod is mounted on the sliding block, and a detachable slitting blade is mounted on the slitting guide rod. A slitting guide with a stepped structure is located at the operating port. A receiving groove for placing the slitting blade is provided within the slitting guide rod. The slitting blade is fixed to the slitting guide rod by bolts.

[0003] The technical solution disclosed in the aforementioned patent documents uses screws to fix the blade in the receiving groove. Using screws for tightening results in a small force-bearing surface for the blade, which can cause the blade to break off from the locking hole during cutting. Furthermore, using screws for blade installation and removal leads to inconvenience when changing blades in confined spaces. Utility Model Content

[0004] The purpose of this utility model is to provide a quick-change blade installation structure to solve the problems of inconvenient blade replacement in existing circumferential cutting mechanisms, as well as the small locking force surface, which leads to breakage from the locking position.

[0005] To achieve the above objectives, this utility model provides a quick-change blade mounting structure, including a blade head, a pressure block, a locking member, a spring, and a blade. The blade head has a groove on one side extending to the end of the blade head. The blade head has a first guide groove and a second guide groove penetrating both sides of the blade head, and the first and second guide grooves are formed on the side walls of the groove, with the first and second guide grooves inclined to the bottom of the groove. The pressure block is disposed within the groove, and a pressing surface is provided on the inner side of the pressure block. A first limiting rod extending into the first guide groove and a second limiting rod extending into the second guide groove are provided on both sides of the pressure block. A mounting position is provided on one side of the pressure block, and the locking member is pivotally connected to the mounting position. One end of the locking member has a pressing part, and the other end has a hook. A groove cooperating with the hook is provided on one side of the blade head. The spring is disposed between the pressing part and the pressure block.

[0006] Furthermore, limiting holes are provided on the inner side of the pressing part and the outer side of the pressing block, and the two ends of the spring are limited within the two limiting holes.

[0007] Furthermore, the two side walls of the groove are provided with clearance notches, which extend to the second guide groove and are used to clear the second limiting rod.

[0008] Furthermore, the clearance notch is connected to the front end of the second guide groove, and the rear ends of the first guide groove and the second guide groove are closer to the bottom of the groove.

[0009] Furthermore, the groove is provided with two limiting posts, and one end of the blade is provided with a limiting groove that cooperates with the two limiting posts.

[0010] Furthermore, the quick-change blade mounting structure also includes a blade holder, one end of which is provided with a mounting groove, and the blade head is detachably mounted in the mounting groove.

[0011] Furthermore, one side of the tool holder is provided with a screw hole that communicates with the mounting groove, and the screw hole is used to connect a locking screw.

[0012] The quick-change blade mounting structure provided in this embodiment of the utility model has at least the following technical effects: This quick-change blade installation structure allows for rapid blade replacement. By pressing the pressing part to overcome the spring force, the hook disengages from the slot, allowing the pressure block to slide within the groove. Because the first and second guide grooves are inclined to the bottom of the groove, the distance between the pressure block and the bottom of the groove increases when the pressure block slides. This allows the blade to be removed from the groove and replaced with a new one. After replacement, the blade is locked, the pressure block is pushed back, and again, with the first and second limit rods engaging, the pressure surface of the pressure block presses the blade firmly into the groove. The locking hook engages in the slot, limiting the pressure block's position. This achieves rapid blade replacement, improving efficiency. Furthermore, the pressure surface of the pressure block presses the blade firmly into the groove, increasing the pressure area and preventing concentrated force on the blade during cutting, thus avoiding breakage. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, 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 of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a structural diagram showing the quick-change blade mounting structure provided in this embodiment of the utility model, which is mounted on the blade holder.

[0015] Figure 2 A structural diagram of the quick-change blade mounting structure provided in this embodiment of the utility model.

[0016] Figure 3 A cross-sectional view of the blade quick-change mounting structure provided in an embodiment of this utility model.

[0017] Figure 4 This is a structural diagram of the blade head with a quick-change mounting structure provided in an embodiment of the present utility model.

[0018] Figure 5 A structural diagram of the pressure block for the quick-change mounting structure of the blade provided in this embodiment of the utility model.

[0019] Figure 6 This is a structural diagram of the blade holder in the quick-change mounting structure provided in this embodiment of the utility model. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of this utility model, and should not be construed as limiting the utility model.

[0021] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0023] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0024] In one embodiment of the quick-change blade mounting structure of this utility model, please refer to... Figures 2 to 6 The quick-change blade installation structure is used in conduit or wire circumferential cutting equipment for circumferential cutting of pipes or wires. Specifically, this quick-change blade installation structure includes a blade head 100, a pressure block 200, a locking element 300, a spring 400, and a blade 500. A groove 101 is provided on one side of the blade head 100, extending to the end of the blade head 100. The blade head 100 has a first guide groove 102 and a second guide groove 103 penetrating its two sides, and the first guide groove 102 and the second guide groove 103 are formed on the two side walls of the groove 101. The first guide groove 102 and the second guide groove 103 are inclined to the bottom of the groove 101. The pressure block 200 is disposed within the groove 101. A pressing surface 201 is provided on the inner side of the pressure block 200. A first limiting rod 210 extending into the first guide groove 102 and a second limiting rod 220 extending into the second guide groove 103 are provided on both sides of the pressure block 200. A mounting position 202 is provided on one side of the pressure block 200, and the locking member 300 is pivotally connected to the mounting position 202. One end of the locking member 300 is provided with a pressing part 301, and the other end is provided with a hook 302. One side of the blade head 100 is provided with a groove 104 that mates with the hook 302. A spring 400 is provided between the pressing part 301 and the pressure block 200. The blade is pressed between the pressure block 200 and the bottom of the groove 101.

[0025] Specifically, in this embodiment, when replacing the blade 500, the quick-change mounting structure allows the pressing part 301 to overcome the elastic force of the spring 400, causing the hook 302 to disengage from the slot 104, and the pressure block 200 to slide within the groove 101. Because the first guide groove 102 and the second guide groove 103 are inclined to the bottom of the groove 101, when the pressure block 200 slides, the first limiting rod 210 engages with the first guide groove 102, and the second limiting rod 220 engages with the second guide groove 103. This increases the distance between the pressure block 200 and the bottom of the groove 101, allowing the blade 500 to be removed from the groove 101 and replaced with a new blade 500. After replacement, the blade 500 is locked, and the pressure block 200 is pushed back. Again, with the first limiting rod 210 engaging with the first guide groove 102, and the second limiting rod 220 engaging with the second guide groove 103, the pressing surface 201 of the pressure block 200 presses the blade 500 firmly into the groove 101. Under the elastic force of the spring 400, the hook 302 of the locking member 300 engages in the slot 104, limiting the pressure block 200. Therefore, the blade 500 can be quickly replaced, improving replacement efficiency. Furthermore, by using the pressing surface 201 of the pressure block 200 to press the blade 500 into the groove 101, the force-bearing area of ​​the blade 500 is increased, preventing concentrated force on the blade during cutting and thus avoiding breakage.

[0026] Furthermore, refer to Figure 3 Limiting holes are provided on the inner side of the pressing part 301 and the outer side of the pressing block 200, and the two ends of the spring 400 are limited within the two limiting holes. The two limiting holes limit the two ends of the spring 400, preventing the spring from leaving the movable space formed by the pressing part 301 and the pressing block 200.

[0027] Furthermore, refer to Figure 4 The two side walls of the groove 101 are also provided with clearance notches 105, which extend to the second guide groove 103. The clearance notches 105 are used to clear the second limiting rod 220. In this embodiment, when the pressure block 200 is assembled with the cutter head 100, the second limiting rod 220 can be inserted from the clearance notch 105 into the second guide groove 103. Then, the first limiting rod 210 passes through the first guide groove 102 and the pressure block 200, so that the pressure block 200 and the cutter head 100 are assembled as one unit. In addition, when installing or changing the cutter, the second limiting rod 220 can be slid to the position of the clearance notch 105, and then the second limiting rod 220 can be removed from the clearance notch 105. The pressure block 200 can rotate around the first limiting rod 210 and slide in the first guide groove 102, which makes it easier to install the blade 500.

[0028] Furthermore, the clearance notch 105 is connected to the front end of the second guide groove 103, and the rear ends of the first guide groove 102 and the second guide groove 103 are closer to the bottom of the groove 101. When the pressure block 200 retracts within the groove 101, it presses the blade 500 within the groove 101; when it is pushed forward, it releases the blade 500.

[0029] Furthermore, refer to Figure 4 and Figure 6 The groove 101 is also provided with two limiting posts 110, and one end of the blade 500 is provided with a limiting groove 501 that cooperates with the two limiting posts 110. In this embodiment, when the blade 500 is positioned in the groove 101, the limiting posts 110 and the limiting groove 501 cooperate to achieve the positioning and engagement of the blade 500.

[0030] Furthermore, refer to Figure 1 The quick-change blade mounting structure also includes a tool holder 600, one end of which has a mounting groove in which the blade head 100 is detachably mounted. The tool holder 600 is connected to the drive mechanism to realize tool feed and retraction.

[0031] Furthermore, refer to Figure 1 The tool holder 600 has a screw hole on one side that communicates with the mounting slot. The screw hole is used to connect a locking screw. After the tool head 100 is installed into the mounting slot, the locking screw engages with the screw hole to lock the tool head 100 onto the tool holder 600, making the tool holder 600 replaceable.

[0032] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-change blade mounting structure, characterized in that, The device includes a cutting head, a pressure block, a locking element, a spring, and a blade. The cutting head has a groove on one side extending to its end. The cutting head also has a first guide groove and a second guide groove penetrating both sides of the groove, with the first and second guide grooves formed on the side walls of the groove. The first and second guide grooves are inclined to the bottom of the groove. The pressure block is disposed within the groove, with a pressing surface on its inner side. The pressure block has a first limiting rod extending into the first guide groove and a second limiting rod extending into the second guide groove on both sides. A mounting position is provided on one side of the pressure block, and the locking element is pivotally connected to this mounting position. One end of the locking element has a pressing part, and the other end has a hook. A groove on one side of the cutting head engages with the hook. The spring is located between the pressing part and the pressure block. The blade is located between the pressure block and the bottom of the groove.

2. The blade quick-change mounting structure according to claim 1, characterized in that: The inner side of the pressing part and the outer side of the pressing block are both provided with limiting holes, and the two ends of the spring are limited within the two limiting holes.

3. The blade quick-change mounting structure according to claim 1, characterized in that: The two side walls of the groove are also provided with clearance notches, which extend to the second guide groove. The clearance notches are used to allow the second limiting rod to pass through.

4. The quick-change blade mounting structure according to claim 3, characterized in that: The clearance notch is connected to the front end of the second guide groove, and the rear ends of the first guide groove and the second guide groove are closer to the bottom of the groove.

5. The blade quick-change mounting structure according to any one of claims 1 to 4, characterized in that: The groove is also provided with two limiting posts, and one end of the blade is provided with a limiting groove that cooperates with the two limiting posts.

6. The blade quick-change mounting structure according to claim 1, characterized in that: It also includes a tool holder, one end of which is provided with a mounting groove, and the tool head is detachably disposed in the mounting groove.

7. The blade quick-change mounting structure according to claim 6, characterized in that: The tool holder has a screw hole on one side that communicates with the mounting groove, and the screw hole is used to connect a locking screw.

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