CN216829689U - PLC (programmable logic controller) control-based turning tool handle locking device of boring and milling machining center - Google Patents

Abstract

The utility model discloses a turning tool shank locking device of a boring and milling machining center based on PLC control, which comprises a tool shank, a chuck, a nut and a tool shank seat. The locking mechanism is connected with the nut. The turning tool holder locking device of the boring and milling machining center can lock and fix the collet with the inner wall of the nut in the horizontal and vertical directions at the same time through the set locking mechanism, so as to avoid the mutual friction between the collet and the inner wall of the nut during the working process. The collet shakes. After the collet is fixed, insert the shank into one end of the collet, and connect the nut to the shank seat by thread, so that the shank seat can adjust the tightness of the collet to match the fixing of the tool shank. When replacing or cleaning, the staff can quickly unlock the collet and the nut through the locking mechanism, so that the staff can easily remove the collet, which is convenient for disassembly and reduces the labor intensity of the staff.

Description

A Turning Tool Holder Locking Device Based on PLC Control for Boring and Milling Machining Center

technical field

The utility model relates to the technical field of boring and milling machining centers, in particular to a turning tool shank locking device of a boring and milling machining center based on PLC control.

Background technique

With the continuous development of industrialization, the requirements for machining production efficiency of workpieces are getting higher and higher, which puts forward higher new requirements for machining equipment, which not only requires high machining accuracy of machining equipment, but also requires machining The equipment can complete the processing of multi-station steps as soon as possible. CNC technology and CNC equipment are an important basis for the modernization of the manufacturing industry. CNC machine tools are a typical CNC equipment that uses CNC technology to improve processing accuracy and efficiency. The machining center has a revolutionary impact on the industry. The machining center is a highly automated multi-function CNC machine tool with a tool magazine and an automatic tool changer. Common machining centers have many functions such as turning, milling, and boring.

Some existing boring and milling machining centers use the spring chuck to lock the tool holder, but when fixing the spring chuck, most of the spring chucks are clamped on the inner wall of the nut by pressing, and the nut and the tool holder are clamped. The seat is connected to make the spring collet fix the tool handle. The spring collet will rub against the inner wall of the nut during operation. Long-term friction will cause the gap between the spring collet and the inner wall of the nut to increase, causing the tool handle to shake when working. Affect the machining accuracy and even cause the tool holder to break. To this end, we propose a turning tool holder locking device for boring and milling machining centers based on PL control.

Utility model content

The purpose of the present utility model is to provide a turning tool holder locking device of a boring and milling machining center based on PL control, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a turning tool shank locking device of a boring and milling machining center based on PL control, comprising a tool shank, a collet, a nut and a tool shank seat, and the outer side of the collet is provided with a tool holder. There are a plurality of communication grooves, the inner wall of the communication grooves is provided with a locking mechanism capable of locking the collet in the horizontal and vertical directions at the same time, and the locking mechanism is connected with the nut.

Preferably, the locking mechanism includes a locking block arranged on the inner wall of the communication groove, one end of the locking block penetrates the inner wall of the nut to communicate with the outside world, and a limit block is provided on both sides of the locking block, and the nut The inner wall is provided with a limit slot 1 that can be slidably connected with a limit block, one end of the limit block is provided with a return spring 1, and one end of the return spring is connected with the limit slot 1, and the inner wall of the locking block is A communication hole is provided, and the inner wall of the communication hole is provided with a locking member capable of locking the chuck in the vertical direction.

Preferably, the locking member includes a pressing block disposed on the inner wall of the communication hole, two limit blocks are respectively provided on both sides of the pressing block, and the inner wall of the communication hole is provided with a limit groove that can be slidably connected with the second limit block Second, a compression spring is arranged under the pressing block, the compression spring is connected with the inner wall of the communication hole, grooves are respectively provided on both sides of the pressing block, a clamping block is arranged on the outside of the groove, and the inner wall of the communication groove is There is a clip slot that can be clipped with the clip block, the two sides of the clip block are respectively provided with a limit block three, and the inner wall of the communication hole is provided with a limit slot three that can be slidably connected with the limit block three, so Two reset springs are arranged on three sides of the limit block, and one end of the two reset springs is connected with the inner wall of the third limit slot.

Preferably, the shape of the groove is a trapezoid, and one end of the engaging block near the groove is a trapezoid.

Preferably, an oblique end is provided at one end of the locking block close to the communication groove.

Compared with the prior art, the beneficial effects of the present utility model are:

When the utility model is in use, the staff puts the clamping end of the collet into the inner wall of the nut, and the collet can be locked and fixed with the inner wall of the nut in the horizontal and vertical directions at the same time through the provided locking mechanism, thereby avoiding the need for the collet. During the working process, friction with the inner wall of the nut causes the collet to shake. After the collet is fixed, insert the shank into one end of the collet, and thread the nut and the shank seat, so that the shank seat can adjust the tightness of the collet to match the tool shank. Fixing, and when the collet needs to be replaced or cleaned, the staff can quickly unlock the collet and the nut through the locking mechanism, so that the staff can easily remove the collet, and the disassembly is convenient, reducing the staff's burden. Labor intensity.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Figure 2 is a schematic side sectional view of the structure of the utility model;

FIG. 3 is a schematic cross-sectional side view of a structural communication groove of the present invention;

Fig. 4 is the front sectional schematic diagram of the structural locking mechanism of the present invention;

FIG. 5 is a schematic top-view cross-sectional view of the structural locking member of the present invention.

In the figure: 1-tool holder; 2- chuck; 3-nut; 4-tool holder; 5-connecting groove; 6-locking mechanism; 60-locking block; 61-limiting block one; 62-limiting Position slot one; 63-return spring one; 64-connecting hole; 65-locking piece; 66-pressing block; 67-limiting block two; 68-limiting slot two; 69-compression spring; 6A-groove; 6B-clamping block; 6C-clamping slot; 6D-limiting block three; 6E-limiting slot three; 6F-return spring two; 6G-oblique end.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-5 , the present utility model provides a technical solution: a turning tool shank locking device for a boring and milling machining center based on PLC control, comprising a tool shank 1 , a chuck 2 , a nut 3 and a tool shank seat 4 , a plurality of communication grooves 5 are provided on the outside of the collet 2, and the inner wall of the communication groove 5 is provided with a locking mechanism 6 that can lock the collet 2 in the horizontal and vertical directions at the same time, and the locking mechanism 6 is connected with the nut 3. When in use, the staff puts the clamping end of the collet 2 into the inner wall of the nut 3, and the collet 2 can be locked and fixed with the inner wall of the nut 3 in the horizontal and vertical directions at the same time through the provided locking mechanism 6, so as to avoid clamping. During the working process, the head 2 and the inner wall of the nut 3 rub against each other, causing the chuck 2 to shake. After the chuck 2 is fixed, insert the shank 1 into one end of the chuck 2, and thread the nut 3 and the shank seat 4, so that the shank seat 4 Adjust the tightness of the collet 2 to match the fixing of the tool handle 1, and when the collet 2 needs to be replaced or cleaned, the staff can quickly unlock the collet 2 and the nut 3 through the locking mechanism 6, so that the staff The chuck 2 can be easily removed, the disassembly is convenient, and the labor intensity of the staff is reduced.

The locking mechanism 6 includes a locking block 60 that is slidably connected to the inner wall of the communication groove 5. One end of the locking block 60 close to the communication groove 5 is provided with an oblique end 6G. The two sides of the block 60 are respectively fixedly connected with a limit block one 61, the inner wall of the nut 3 is provided with a limit groove one 62 which can be connected with the limit block one 61 and slidingly, and the end of the limit block one 61 is fixedly connected with a return spring one 63, reset One end of the spring one 63 is fixedly connected with the limiting groove one 62, the inner wall of the locking block 60 is provided with a communication hole 64, and the inner wall of the communication hole 64 is provided with a locking member 65 that can lock the collet 2 in the vertical direction. When the head 2 is installed, the staff puts the clamping end of the collet 2 into the inner wall of the nut 3. With the movement of the collet 2, the clamping end of the collet 2 squeezes the oblique end 6G of the locking block 60 to lock the lock. The tightening block 60 moves upward along the inner wall of the nut 3, and the movement of the locking block 60 drives the limiting block 1 61 to slide along the inner wall of the limiting groove 1 62 and compress the return spring 1 63. When the locking block 60 moves to the corresponding position of the communicating groove 5 When in position, the reset spring one 63 resets and pushes the limit block one 61 to slide along the inner wall of the limit slot one 62, and the limit block one 61 drives the locking block 60 to slide down the inner wall of the nut 3 and engage with the inner wall of the communication slot 5, thus completing the Fix the collet 2 in the horizontal direction, and at the same time, the locking member 65 works to cooperate with the vertical direction of the collet 2, so as to lock the collet 2 and the nut 3, and prevent the inner wall of the collet 2 and the nut 3 from interacting with each other. The friction causes the collet 2 to shake. When the collet 2 is disassembled, the vertical fixation of the collet 2 is first released by the locking member 65, and then the staff pulls the locking block 60 up, and the locking block 60 moves along the vertical direction. The inner wall of the nut 3 slides upwards and separates from the inner wall of the communication groove 5 to release the fixing of the collet 2 in the horizontal direction, so that the user can easily remove the collet 2 and reduce the labor intensity of the staff.

The locking member 65 includes a pressing block 66 slidably connected to the inner wall of the communication hole 64 , the two sides of the pressing block 66 are respectively fixedly connected to the second limit block 67 , and the inner wall of the communication hole 64 is provided with a limit groove that can be slidably connected to the second limit block 67 . 268, a compression spring 69 is fixedly connected under the pressing block 66, and the compression spring 69 is fixedly connected with the inner wall of the communication hole 64. The two sides of the pressing block 66 are respectively provided with grooves 6A, and the outer side of the groove 6A is slidably connected with a clamping block 6B. The shape of the slot 6A is a trapezoid, the shape of one end of the clamping block 6B close to the groove 6A is a trapezoid, and the inner wall of the communication slot 5 is provided with a clamping slot 6C that can be clamped with the clamping block 6B. Block three 6D, the inner wall of the communication hole 64 is provided with a limit groove three 6E that can be slidably connected with the limit block three 6D, one side of the limit block three 6D is fixedly connected with a return spring two 6F, and one end of the return spring two 6F is connected with the limit groove The inner wall of the 36E is fixedly connected. When the collet 2 is installed, the staff presses down the pressing block 66, the pressing block 66 slides along the inner wall of the communication groove 5 and squeezes the compression spring 69, and the pressing block 66 moves to drive the limit block 267 Slide along the inner wall of the second limit slot 68, the pressing block 66 drives the groove 6A to slide to the corresponding position of the clamping block 6B, and the compressed return spring 2 6F pushes the limit block 3 6D to slide along the inner wall of the limit slot 3 6E, The limiting block 3 6D drives the clamping block 6B to slide to the inner wall of the groove 6A so that the clamping block 6B shrinks into the inner wall of the communication hole 64. When the locking block 60 slides to the inner wall of the communication groove 5, the staff releases the pressing block 66. The compression spring 69 in the compressed state pushes the pressing block 66 to slide upward, the pressing block 66 drives the groove 6A to slide upward, and the groove 6A slides upward so that the hypotenuse of the inner wall of the groove 6A presses the hypotenuse of the clamping block 6B, and the clamping block 6B is squeezed and slides outward along the inner wall of the communication hole 64 and is clamped with the clamping slot 6C. The clamping block 6B moves to drive the limiting block 3 6D to slide along the inner wall of the limiting slot 6E and compress the return spring 2 6F to complete the operation. To fix the collet 2 in the vertical direction, when the collet 2 is disassembled, the staff presses down the pressing block 66, the pressing block 66 slides along the inner wall of the communication groove 5 and squeezes the compression spring 69, and the pressing block 66 moves to drive the limit The second block 67 slides along the inner wall of the second limit groove 68, the pressing block 66 drives the groove 6A to slide to the corresponding position of the clamping block 6B, and the compressed return spring 2 6F pushes the limit block 3 6D along the limit groove 3. The inner wall of 6E slides, and the limiting block 3 6D drives the clamping block 6B to slide to the inner wall of the groove 6A, so that the clamping block 6B is separated from the inner wall of the clamping groove 6C, thereby releasing the vertical fixation of the collet 2 .

It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

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

Claims (5)

1. The utility model provides a boring and milling machining center's lathe tool handle locking device based on PLC control, includes handle of a knife (1), chuck (2), nut (3) and handle of a knife seat (4), its characterized in that: the clamping head is characterized in that a plurality of communicating grooves (5) are formed in the outer side of the clamping head (2), locking mechanisms (6) capable of locking the clamping head (2) in the horizontal direction and the vertical direction are arranged on the inner walls of the communicating grooves (5), and the locking mechanisms (6) are connected with the nuts (3).

2. The turning tool shank locking device of the boring and milling machining center based on the PLC control as claimed in claim 1, wherein: locking mechanism (6) are including setting up latch segment (60) at intercommunication groove (5) inner wall, nut (3) inner wall and external intercommunication are worn out to latch segment (60) one end, latch segment (60) both sides are equipped with stopper (61) respectively, nut (3) inner wall be equipped with can with stopper (61) with sliding connection's spacing groove (62), stopper (61) end is equipped with reset spring (63), reset spring (63) one end is connected with spacing groove (62), latch segment (60) inner wall is equipped with intercommunicating pore (64), intercommunicating pore (64) inner wall is equipped with retaining member (65) that can lock chuck (2) vertical direction.

3. The turning tool shank locking device of the boring and milling machining center based on the PLC control as claimed in claim 2, wherein: the locking part (65) comprises a pressing block (66) arranged on the inner wall of a communicating hole (64), two sides of the pressing block (66) are respectively provided with a second limiting block (67), the inner wall of the communicating hole (64) is provided with a second limiting groove (68) capable of being connected with the second limiting block (67) in a sliding manner, a compression spring (69) is arranged below the pressing block (66), the compression spring (69) is connected with the inner wall of the communicating hole (64), two sides of the pressing block (66) are respectively provided with a groove (6A), the outer side of the groove (6A) is provided with a clamping block (6B), the inner wall of the communicating groove (5) is provided with a clamping groove (6C) capable of being clamped with the clamping block (6B), two sides of the clamping block (6B) are respectively provided with a third limiting block (6D), and the inner wall of the communicating hole (64) is provided with a third limiting groove (6E) capable of being connected with the third limiting block (6D) in a sliding manner, and one side of the third limiting block (6D) is provided with a second reset spring (6F), and one end of the second reset spring (6F) is connected with the inner wall of the third limiting groove (6E).

4. The turning tool shank locking device of the boring and milling machining center based on the PLC control as claimed in claim 3, wherein: the shape of the groove (6A) is trapezoidal, and the shape of one end, close to the groove (6A), of the clamping block (6B) is trapezoidal.

5. The turning tool shank locking device of the boring and milling machining center based on the PLC control as claimed in claim 2, wherein: one end of the locking block (60) close to the communicating groove (5) is provided with an inclined end (6G).

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