CN209288305U - A tool holding device - Google Patents

Abstract

The utility model discloses a tool clamping device, which comprises a fixed base plate of a machine tool. Both ends of the top of the fixed base plate of the machine tool close to the right side are rotatably connected with an anti-slip fine-tuning rod, and the top of the anti-slip fine-adjustment rod penetrates through and is threadedly connected with a fine-tuning threaded rod. The top of the fine-tuning threaded rod is fixedly connected with the lower clamping plate, and the top of the lower clamping plate is provided with an installation inner groove. There is a general controller, the top of the upper clamping plate and the right side of the general controller are fixedly connected with an indicator light, the bottom end of the driving screw is connected to the lower contact pressure plate, and the bottom end of the lower contact pressure plate is fixedly connected to a pressure sensor. The utility model relates to the technical field of machine tools. The tool clamping device achieves the uniformity of tool clamping force, improves the accuracy and safety of tool setting, enhances tool processing effect, and reduces the manpower consumed by tool clamping.

Description

A tool holding device

technical field

The utility model relates to the technical field of machine tools, in particular to a tool clamping device.

Background technique

A machine tool refers to a machine that manufactures a machine, also known as a machine tool or a tool machine, and is customarily referred to as a machine tool. Generally divided into metal cutting machine tools, forging machine tools and woodworking machine tools. There are many ways to process mechanical parts in modern machinery manufacturing: in addition to cutting, there are also casting, forging, welding, stamping, extrusion, etc. The final machining is done by cutting on the machine tool. Machine tools play an important role in the modernization of the national economy.

A lathe is a machine tool that mainly uses a turning tool to turn a rotating workpiece. Drills, reamers, reamers, taps, dies and knurling tools can also be used for corresponding processing on the lathe. Lathes are mainly used to process shafts, discs, sleeves and other workpieces with rotating surfaces, and are the most widely used machine tools in machinery manufacturing and repair factories.

At present, the puller on the lathe is directly clamped on the mounting frame. To fix the tool, three bolts need to be tightened. The strength of each bolt tightened manually is different, which affects the stability of the tool during processing, and the tool setting is passed through. The addition of shims is completed, and the accuracy of tool setting is low.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a tool clamping device, which solves the problem of being directly clamped on the mounting frame on the current lathe, and three bolts need to be fastened to fix the tool, each of which is manually fastened. The bolt strength is different, which affects the stability of the tool during processing, and the tool setting of the tool is completed by adding shims, and the accuracy of the tool setting is low.

(2) Technical solutions

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a tool clamping device, including a machine tool fixed base plate, the two ends of the machine tool fixed base plate near the right side are rotatably connected with anti-skid fine-tuning rods, the anti-skid The top inside the fine-tuning rod runs through and is threaded with a fine-tuning threaded rod. The top of the fine-tuning threaded rod is fixedly connected with a lower clamping plate, and the top of the lower clamping plate is provided with an installation inner groove. The left side is rotatably connected with an upper clamping plate, the left side of the top of the upper clamping plate is fixedly connected with a master controller, and the top of the upper clamping plate is fixedly connected with an indicator light on the right side of the master controller. The top of the master controller runs through evenly and is rotatably connected with a driving internal threaded rod. The bottom end of the driving internal threaded rod penetrates through and is threadedly connected with a driving screw. The bottom end of the driving screw is rotatably connected with a lower contact pressure plate. The bottom end of the lower contact plate is fixedly connected with a pressure sensor.

Preferably, a restricting sleeve is fixedly connected to the inner top of the upper clamping plate and close to the driving internal threaded rod, and a movable inserting rod is fixedly connected to the top of the lower contact pressure plate and close to the restricting sleeve, and the movable inserting The outer surface of the rod penetrates and is slidably connected to the inside of the restriction sleeve.

Preferably, the tops of the driving internal threaded rods are fixedly connected with output gears, and the top of the upper clamping plate is rotatably connected with a supporting shaft at the center position between the driving internal threaded rods, and the top of the supporting rotating shaft is fixed A transmission gear is connected, and the transmission gear is meshed with the supporting rotating shaft.

Preferably, a motor is fixedly connected to the top of the upper clamping plate and close to the transmission gear, a drive gear is fixedly connected to the output shaft of the motor, and the drive gear is engaged with the transmission gear.

Preferably, the output end of the pressure sensor is connected to the general controller, and the output end of the general controller is connected to the indicator light.

(3) Beneficial effects

The utility model provides a tool clamping device. Has the following beneficial effects:

The tool clamping device, by placing the turning tool on the top of the installation inner groove, adjusts the extension of the turning tool, and rotates the anti-slip fine-tuning rod, which drives the lower clamping plate to move in the vertical direction through the fine-tuning threaded rod, realizing The tool setting between the turning tool and the workpiece is controlled by powering on the motor. The motor drives the transmission gear to rotate through the drive gear, so that the transmission gear drives the output gear to rotate at the same time, thereby driving the inner threaded rod to rotate and drive the drive screw to move downward to realize the lower contact. The pressure plate and the lower clamping plate evenly squeeze the fixed turning tool, and a triangle is formed on the surface of the turning tool between the three lower contact pressure plates. The pressure sensor senses the extrusion force of the turning tool and is driven and transmitted to the master controller. The master controller controls the instruction The color of the light changes. When the indicator light turns red, the tool clamping force is the best, which achieves the uniformity of the tool clamping force, improves the accuracy and safety of the tool setting tool, enhances the tool processing effect, and reduces the tool clamping force. To maintain the purpose of expending manpower.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the structural diagram of knot A place of the present utility model;

Fig. 3 is a partial schematic diagram of the top view of the upper clamping plate of the utility model;

Fig. 4 is a structural block diagram of the sensing element of the present invention.

In the figure: 1 fixed base plate of machine tool, 2 anti-slip fine-tuning rod, 3 fine-tuning threaded rod, 4 lower clamping plate, 5 installation inner groove, 6 upper clamping plate, 7 master controller, 8 indicator light, 9 driving internal threaded rod, 10 driving screw, 11 lower contact pressure plate, 12 pressure sensor, 13 limit sleeve block, 14 movable plunger, 15 output gear, 16 supporting shaft, 17 transmission gear, 18 electric motor, 19 driving gear.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a tool clamping device, including a machine tool fixed base plate 1, the two ends of the machine tool fixed base plate 1 near the right side are rotatably connected with anti-slip fine-tuning rods 2, anti-skid The top of the fine-tuning rod 2 runs through and is threaded with a fine-tuning threaded rod 3, the top of the fine-tuning threaded rod 3 is fixedly connected with the lower clamping plate 4, the top of the lower clamping plate 4 is provided with an installation inner groove 5, and the top of the machine tool base 1 is fixed The left side of the upper clamping plate 6 is rotatably connected with the upper clamping plate 6, the left side of the top of the upper clamping plate 6 is fixedly connected with the master controller 7, and the top of the upper clamping plate 6 and the right side of the master controller 7 are fixedly connected with an indicator light 8 , the top of the master controller 7 runs through evenly and is rotatably connected with a driving internal threaded rod 9, the bottom end of the driving internal threaded rod 9 penetrates inside and is threadedly connected with a driving screw 10, and the bottom end of the driving screw 10 is rotatably connected with a lower contact platen 11. The bottom end of the lower contact plate 11 is fixedly connected with a pressure sensor 12 . The inner top of the upper clamping plate 6 and the position close to the driving internal threaded rod 9 are fixedly connected with a limiting sleeve 13, and the position of the lower contact pressing plate 11 top and close to the limiting sleeve 13 is fixedly connected with a movable inserting rod 14, and the position of the movable inserting rod 14 The outer surface penetrates and is slidably connected to the inside of the limiting sleeve block 13 . The tops of the driving internal threaded rods 9 are all fixedly connected with output gears 15, the top of the upper clamping plate 6 and located at the center position between the driving internal threaded rods 9 are rotatably connected with a supporting shaft 16, and the tops of the supporting rotating shafts 16 are fixedly connected with a transmission The gear 17 and the transmission gear 17 are engaged with the supporting rotating shaft 16 . A motor 18 is fixedly connected to the top of the upper clamping plate 6 and close to the transmission gear 17 . The output shaft of the motor 18 is fixedly connected to a drive gear 19 , and the drive gear 19 is engaged with the transmission gear 17 . The output end of the pressure sensor 12 is connected with the general controller 7 , and the output end of the general controller 7 is connected with the indicator light 8 .

During use, by placing the turning tool on the top of the installation inner groove 5, adjust the extension of the turning tool, and rotate the anti-slip fine-tuning rod 2, the anti-slip fine-tuning rod 2 drives the lower clamping plate 4 to move in the vertical direction through the fine-tuning threaded rod 3 To realize the tool setting between the turning tool and the workpiece, the control motor 18 is energized, and the motor 18 drives the transmission gear 17 to rotate through the drive gear 19, so that the transmission gear 17 drives the output gear 15 to rotate at the same time, thereby driving the inner threaded rod 9 to rotate and drive the drive The screw rod 10 moves downward to realize that the lower contact pressure plate 11 and the lower clamping plate 4 evenly squeeze and fix the turning tool, and a triangle is formed on the surface of the turning tool between the three lower contact pressure plates 11, and the pressure sensor 12 senses the extrusion force of the turning tool , drivenly transmitted to the main controller 7, the main controller 7 controls the color change of the indicator light 8, when the indicator light 8 turns red, it means that the tool clamping force is the best, which achieves the uniformity of the tool clamping force and improves the The accuracy and safety of tool setting, enhance the tool processing effect, and reduce the manpower consumed by tool clamping.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. without further restrictions. The phrase "the inclusion of an element defined by ... does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising said element".

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A tool clamping device, comprising a machine tool fixed base plate (1), is characterized in that: both ends of the machine tool fixed base plate (1) top near the right are rotatably connected with anti-slip fine-tuning rods (2), and the anti-skid The top inside the fine-tuning rod (2) runs through and is threaded with a fine-tuning threaded rod (3), and the top of the fine-tuning threaded rod (3) is fixedly connected with a lower clamping plate (4), and the lower clamping plate (4) The top of the top is provided with an installation inner groove (5), and the left side of the fixed base plate (1) top of the machine tool is connected with an upper clamping plate (6) for rotation, and the left side of the top of the upper clamping plate (6) is fixedly connected with a The master controller (7), the top of the upper clamping plate (6) and the right side of the master controller (7) are fixedly connected with an indicator light (8), the top of the master controller (7) runs through evenly and A driving internal threaded rod (9) is rotatably connected, the inside of the bottom end of the driving internal threaded rod (9) penetrates and is threadedly connected with a driving screw rod (10), and the bottom end of the driving screw rod (10) is rotatably connected with a lower A contact pressing plate (11), the bottom end of the lower contact pressing plate (11) is fixedly connected with a pressure sensor (12). 2. A tool clamping device according to claim 1, characterized in that: the inner top of the upper clamping plate (6) is fixedly connected with a limiting sleeve (13) at a position close to the driving internal threaded rod (9) ), the top of the lower contact pressure plate (11) and the position close to the limit sleeve block (13) are fixedly connected with a movable insertion rod (14), and the outer surface of the movable insertion rod (14) is connected with the inside of the restriction sleeve block (13) Through and sliding connection. 3. A tool clamping device according to claim 1, characterized in that: the top of the driving internal threaded rod (9) is fixedly connected with an output gear (15), and the upper clamping plate (6) The top and the central position between the driving internal threaded rods (9) are rotatably connected with a support shaft (16), and the top of the support shaft (16) is fixedly connected with a transmission gear (17), and the transmission gear (17) Engaged with the support shaft (16). 4. A tool clamping device according to claim 3, characterized in that: a motor (18) is fixedly connected to the top of the upper clamping plate (6) and close to the transmission gear (17), the A drive gear (19) is fixedly connected to the output shaft of the motor (18), and the drive gear (19) is engaged with the transmission gear (17). 5. A tool holding device according to claim 1, characterized in that: the output end of the pressure sensor (12) is connected to the master controller (7), and the output end of the master controller (7) Connect with indicator light (8).