A milling machine tool clamping device

By designing multiple storage platforms and clamping structures on the milling machine, and using springs and transmission components to achieve synchronous clamping of the milling cutter in three directions, combined with cylinder drive to achieve automatic and neat placement and storage of the tools, the problem of inconvenient milling cutter replacement is solved, and work efficiency is improved.

CN224373402UActive Publication Date: 2026-06-19KUNSHAN LIHESHI PRECISION IND CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN LIHESHI PRECISION IND CO LTD
Filing Date
2025-07-11
Publication Date
2026-06-19

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  • Figure CN224373402U_ABST
    Figure CN224373402U_ABST
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Abstract

This utility model relates to a milling machine tool clamping device, including a mounting plate, a storage platform, a storage component, and a clamping mechanism. Multiple storage platforms are fixedly mounted on the top of the mounting plate. A clamping component for quick tool clamping is provided on the top of each storage platform. The tool base is inserted into three clamping plates, the tops of which are inclined, allowing the three clamping plates to be pushed away from each other. When the bottom of the tool is inserted into the circular groove on the top of the disc, the protrusions on the surface of the clamping plates insert into the annular groove on the surface of the tool. During the movement of the clamping plates, the clamping plates move together with the connecting rod, and the push rod swings, causing the adjusting seat to move vertically, resulting in spring deformation. In its natural state, the spring pushes the adjusting seat downwards, clamping the tool with the three clamping plates. A lever is fixedly mounted on the surface of the adjusting seat, one end of which passes through the storage platform. Pushing the lever upwards moves the adjusting seat upwards, causing the three clamping plates to move away from each other, allowing the tool to be removed.
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Description

Technical Field

[0001] This utility model relates to the field of milling machine tool technology, specifically a milling machine tool clamping device. Background Technology

[0002] Milling cutters are mainly used on milling machines to machine planes, steps, grooves, shaped surfaces, and cut off workpieces. They play a vital role in the machining process of mechanical equipment. Milling cutters wear out very quickly and need to be replaced frequently. However, when replacing milling cutters, workers need to search for them. Sometimes, if milling cutters cannot be found, it will greatly affect the workers' work efficiency, especially if unused tools are not stored properly.

[0003] When storing cutting tools, there is a lack of clamping and fixing effect for multiple cutting tools. As mentioned above, the cutting tools are not stored properly, and the disorderly placement makes it inconvenient to change tools and makes it impossible to arrange the tools neatly. Therefore, we need to provide a milling machine cutting tool clamping device. Utility Model Content

[0004] The purpose of this utility model is to provide a milling machine tool clamping device. The mounting plate is provided with multiple storage platforms, and the storage platforms are provided with clamping structures that can clamp the tool surface in three directions. When the tool is placed on the storage platform for fixation, the tool can be directly inserted. This device can neatly arrange unused tools for easy retrieval next time, thus solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a milling machine tool clamping device, comprising:

[0006] The mounting plate includes a mounting plate, storage platform, storage unit, and clamping mechanism. Multiple storage platforms are fixedly mounted on the top of the mounting plate. Clamping units for quick fixing of tools are provided on the top of each storage platform. A storage unit is provided on one side of the mounting plate to store and protect the tools fixed on the storage platforms.

[0007] The clamping mechanism includes a disc body, clamping plates, and a transmission component. The disc body is fixed to the top of the storage platform, and three evenly distributed clamping plates are provided on the top. The transmission component is installed inside the storage platform and is used to drive the three clamping plates synchronously to fix the tool.

[0008] Preferably, the transmission component includes a spring, an adjusting seat, a push rod, and a connecting rod. The spring is installed between the bottom of the disc and the top of the adjusting seat. Three push rods are hinged to the surface of the adjusting seat, and a connecting rod is hinged to the top of each of the three push rods. The upper end of the connecting rod passes through the top of the disc and is fixed to the clamping plate.

[0009] Preferably, the disc body has a groove for the movement of the connecting rod, and an insert rod is fixedly installed in the groove, with the surface of the insert rod slidably installed in the connecting rod.

[0010] Preferably, a circular groove for storing the upper end of the spring is provided at the bottom axis of the disc body, and a collar is fixedly installed on the top of the adjusting seat, the collar being movably sleeved on the surface of the spring.

[0011] Preferably, each of the three clamping plates has a protrusion fixedly installed on one side of each other. The protrusion and the top of the clamping plate are both provided with a beveled surface. The protrusion is adapted to the annular groove on the surface of the tool, and the top of the disc is provided with a groove for placing the tool base.

[0012] Preferably, the storage component includes a base frame, a driver, a storage plate, and a storage slot. The mounting plate is rotatably installed inside the base frame at both ends. A storage plate with a storage slot is fixedly installed on one side of the mounting plate. The number of storage slots corresponds to the number of storage platforms and is distributed accordingly. The driver is used to drive the mounting plate to rotate so that the clamped tool can rotate into the storage slot.

[0013] Preferably, the actuator includes a cylinder and a connecting rod, the bottom of the cylinder is hinged to the surface of the base frame, and the top is hinged to the connecting rod, which is fixed to the surface of the mounting plate.

[0014] Preferably, the storage slot is provided with a sponge layer.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This utility model has multiple storage platforms on the mounting plate, and each storage platform has a clamping structure that can clamp the tool surface in three directions. When placing the tool on the storage platform for fixation, the tool can be inserted directly. Unused tools can be neatly arranged for easy retrieval next time. Users only need to insert the tool vertically into the storage platform. Without complicated adjustments, the clamping structure can automatically clamp the tool synchronously from three directions, avoiding the cumbersome tightening or positioning steps of traditional clamps and greatly shortening the tool change time. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2 This is a perspective view of the transmission component of this utility model;

[0019] Figure 3 This is a three-dimensional sectional view of the storage platform of this utility model;

[0020] Figure 4 This is a perspective view of the driver of this utility model.

[0021] In the diagram: 1. Mounting plate; 2. Storage platform; 3. Storage component; 31. Base frame; 32. Driver; 321. Cylinder; 322. Connecting rod; 33. Storage plate; 34. Storage slot; 4. Clamping mechanism; 41. Disc body; 42. Clamping plate; 43. Transmission component; 431. Spring; 432. Adjustment seat; 433. Push rod; 434. Connecting rod; 5. Groove; 6. Insert rod; 7. Circular groove; 8. Collar; 9. Protrusion. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution: a milling machine tool clamping device, comprising:

[0024] Mounting plate 1, storage platform 2, storage component 3 and clamping mechanism 4. Multiple storage platforms 2 are fixedly installed on the top of the mounting plate 1. The top of the storage platform 2 is equipped with a clamping component for quick fixation of the tool. The storage component 3 is provided on one side of the mounting plate 1 to store and protect the tool fixed on the storage platform 2.

[0025] The clamping mechanism 4 includes a disc body 41, clamping plates 42 and a transmission component 43. The disc body 41 is fixed on the top of the storage platform 2, and three evenly distributed clamping plates 42 are provided on the top. The transmission component 43 is installed in the storage platform 2 and is used to drive the three clamping plates 42 synchronously to fix the tool.

[0026] Specifically, the mounting plate 1 is equipped with multiple storage platforms 2, and each storage platform 2 has a clamping structure that can clamp the tool surface in three directions. When placing the tool on the storage platform 2 for fixation, the tool can be inserted directly. Unused tools can be neatly arranged for easy retrieval next time. Users only need to insert the tool vertically into the storage platform 2. Without complicated adjustments, the clamping structure can automatically clamp the tool synchronously from three directions, avoiding the cumbersome tightening or positioning steps of traditional clamps and greatly shortening the tool change time.

[0027] The transmission component 43 includes a spring 431, an adjusting seat 432, a push rod 433, and a connecting rod 434. The spring 431 is installed between the bottom of the disc body 41 and the top of the adjusting seat 432. Three push rods 433 are hinged to the surface of the adjusting seat 432. The top of each of the three push rods 433 is hinged to a connecting rod 434. The upper end of the connecting rod 434 passes through the top of the disc body 41 and is fixed to the clamping plate 42.

[0028] Furthermore, the spring 431 is made of high-elasticity stainless steel and is installed between the bottom of the disc 41 and the top of the adjusting seat 432. An annular collar 8 is fixedly installed on the top of the adjusting seat 432. The collar 8 is movably sleeved on the surface of the spring 431. A circular groove 7 is opened at the bottom axis of the disc 41 for the upper end of the spring 431 to be embedded. The depth of the circular groove 7 is adapted to the height of the spring 431 after compression. When the tool is inserted, the clamping plate 42 drives the connecting rod 434 to move horizontally. The push rod 433 swings around the hinge point and pushes the adjusting seat 432 to squeeze the spring 431. The push rod 433 and the connecting rod 434 make the three clamping plates 42 clamp the tool synchronously.

[0029] The disc body 41 has a groove 5 for the movement of the connecting rod 434, and a plug rod 6 is fixedly installed in the groove 5. The surface of the plug rod 6 is slidably installed in the connecting rod 434.

[0030] It is worth noting that the side wall of the connecting rod 434 that contacts the groove 5 is provided with a polytetrafluoroethylene wear-resistant layer to reduce sliding friction resistance; this structure keeps the connecting rod 434 stable when moving vertically and avoids lateral displacement from affecting the synchronization of the clamping plate 42.

[0031] A circular groove 7 for storing the upper end of the spring 431 is provided at the bottom axis of the disc body 41, and a collar 8 is fixedly installed on the top of the adjusting seat 432, which is movably sleeved on the surface of the spring 431.

[0032] It should be noted that an annular collar 8 is fixedly installed on the top of the adjusting seat 432. The collar 8 is movably sleeved on the surface of the spring 431. A circular groove 7 is provided at the bottom axis of the disc body 41 for the upper end of the spring 431 to be embedded. The depth of the circular groove 7 is adapted to the height of the spring 431 after compression, thereby protecting the spring 431.

[0033] Each of the three clamping plates 42 has a protrusion 9 fixedly installed on one side of each other. The protrusion 9 and the top of the clamping plate 42 are both provided with a beveled part. The protrusion 9 is adapted to the annular groove on the surface of the tool. The top of the disc body 41 is provided with a groove for placing the tool base.

[0034] Specifically, each of the three clamping plates 42 has a protrusion 9 fixedly installed on one side of each other. The protrusion 9 and the top of the clamping plate 42 are both provided with a 45-degree bevel. The protrusion 9 is made of cemented carbide. The protrusion 9 and the annular groove on the surface of the tool are interference fit. When the tool is inserted, the bevel guides the clamping plate 42 to expand outward. The protrusion 9 is precisely embedded in the annular groove to prevent the tool from loosening.

[0035] The storage component 3 includes a base frame 31, a driver 32, a storage plate 33, and a storage slot 34. The mounting plate 1 is rotatably installed inside the base frame 31 at both ends. A storage plate 33 with a storage slot 34 is fixedly installed on one side of the mounting plate 1. The number of storage slots 34 corresponds to the number of storage platforms 2 and they are distributed accordingly. The driver 32 is used to drive the mounting plate 1 to rotate so that the clamped tool can rotate into the storage slot 34.

[0036] Furthermore, by activating cylinder 321 to push connecting rod 322, and connecting rod 322 is fixedly installed with mounting plate 1, the mounting plate 1 and storage platform 2 can be rotated, which can rotate the clamped tool into storage slot 34 for storage. The storage slot 34 is provided with a sponge layer to protect the surface of the tool.

[0037] The driver 32 includes a cylinder 321 and a connecting rod 322. The bottom of the cylinder 321 is hinged to the surface of the base frame 31, and the top is hinged to the connecting rod 322. The connecting rod 322 is fixed to the surface of the mounting plate 1.

[0038] The cylinder 321 is activated to push the connecting rod 322, which is fixedly installed with the mounting plate 1, thereby enabling the rotation of the mounting plate 1 and the storage platform 2. The cylinder 321 is designed with two stages: the extension stage rotates the mounting plate 1 90 degrees, and the retraction stage places the mounting plate 1 horizontally. The air inlet and outlet of the cylinder 321 are connected to throttle valves, which can adjust the rotation speed of the mounting plate 1. The cylinder 321 is controlled by a PLC controller to achieve the 90-degree rotation and horizontal reset of the mounting plate 1.

[0039] To protect the knife, a sponge layer is provided inside the storage slot 34.

[0040] The cylinder 321 involved in this application is implemented using existing mature technology and is connected to an external PLC controller and power supply. This is a conventional technical means in this field, so its specific circuit connection, control logic and working process will not be described in detail.

[0041] This device inserts the tool base into three clamping plates 42, the tops of which are inclined, allowing the three clamping plates 42 to be pressed apart. When the bottom of the tool is inserted into the circular groove 7 at the top of the disc 41, the protrusions 9 on the surface of the clamping plates 42 will insert into the annular grooves on the surface of the tool. During the movement of the clamping plates 42, the clamping plates 42 and the connecting rod 434 move together, and the push rod 433 swings, causing the adjusting seat 432 to move vertically, resulting in the deformation of the spring 431. In its natural state, the spring 431 pushes the adjusting seat 432 downward, and the three clamping plates 42 clamp the tool. A lever is fixedly installed on the surface of the storage platform 2. One end of the lever passes through the storage platform 2. By pushing the lever upward, the adjusting seat 432 can be moved upward, and the three clamping plates 42 can be moved away, so that the knife can be taken out. By starting the cylinder 321, the connecting rod 322 is pushed. The connecting rod 322 is fixedly installed with the mounting plate 1, so that the mounting plate 1 and the storage platform 2 can be rotated. The cylinder 321 is set in two stages. The extension section rotates the mounting plate 1 ninety degrees, and the retraction section places the mounting plate 1 horizontally, which can rotate the clamped knife into the storage slot 34 for storage. The storage slot 34 is equipped with a sponge layer to protect the surface of the knife.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A milling machine tool clamping device, characterized in that, include: The mounting plate (1), storage platform (2), storage component (3) and clamping mechanism (4) are provided. Multiple storage platforms (2) are fixedly installed on the top of the mounting plate (1). A clamping component for quick fixing of the cutting tool is provided on the top of the storage platform (2). A storage component (3) is provided on one side of the mounting plate (1) to store and protect the cutting tool fixed on the storage platform (2). The clamping mechanism (4) includes a disc body (41), clamping plates (42) and a transmission component (43). The disc body (41) is fixed on the top of the storage platform (2), and three evenly distributed clamping plates (42) are provided on the top. The transmission component (43) is installed inside the storage platform (2) and is used to drive the three clamping plates (42) synchronously to fix the tool.

2. A cutter clamping device for a milling machine according to claim 1, characterized in that: The transmission component (43) includes a spring (431), an adjusting seat (432), a push rod (433), and a connecting rod (434). The spring (431) is installed between the bottom of the disc body (41) and the top of the adjusting seat (432). Three push rods (433) are hinged to the surface of the adjusting seat (432). The top of each of the three push rods (433) is hinged to a connecting rod (434). The upper end of the connecting rod (434) passes through the top of the disc body (41) and is fixed to the clamping plate (42).

3. A cutter clamping device for a milling machine according to claim 2, wherein: The disc body (41) has a groove (5) for the movement of the connecting rod (434), and a plug rod (6) is fixedly installed in the groove (5). The surface of the plug rod (6) is slidably installed in the connecting rod (434).

4. A milling machine tool clamping device according to claim 2, characterized in that: The bottom axis of the disc (41) is provided with a circular groove (7) for storing the upper end of the spring (431), and a collar (8) is fixedly installed on the top of the adjusting seat (432). The collar (8) is movably sleeved on the surface of the spring (431).

5. A milling machine tool clamping device according to claim 2, characterized in that: Each of the three clamping plates (42) has a protrusion (9) fixedly installed on one side of each other. The protrusion (9) and the top of the clamping plate (42) are both provided with a beveled surface. The protrusion (9) is adapted to the annular groove on the surface of the tool. The top of the disc body (41) is provided with a groove for placing the tool base.

6. A milling machine tool clamping device according to claim 1, characterized in that: The storage component (3) includes a base frame (31), a driver (32), a storage plate (33) and a storage slot (34). The mounting plate (1) is rotatably installed inside the base frame (31) at both ends. A storage plate (33) with a storage slot (34) is fixedly installed on one side of the mounting plate (1). The number of storage slots (34) corresponds to the number of storage platforms (2) and they are distributed accordingly. The driver (32) is used to drive the mounting plate (1) to rotate so that the clamped tool can rotate into the storage slot (34).

7. A milling machine tool clamping device according to claim 6, characterized in that: The driver (32) includes a cylinder (321) and a connecting rod (322). The bottom of the cylinder (321) is hinged to the surface of the base frame (31), and the top is hinged to the connecting rod (322). The connecting rod (322) is fixed to the surface of the mounting plate (1).

8. A milling machine tool clamping device according to claim 6, characterized in that: The storage slot (34) is provided with a sponge layer.