CN218224665U - Repeated positioning device for electric tool rest of numerical control machine tool - Google Patents

Abstract

The utility model relates to a digit control machine tool technical field just discloses a repeated positioner for digit control machine tool electric knife rest, including motor and knife rest base, the shaft coupling fixedly connected with worm of motor, the one end that the motor was kept away from to the worm runs through knife rest base's outer wall through first bearing and rotates with knife rest base's inner wall one side through the second bearing to be connected, knife rest base's top is provided with the bull stick. Through starting to rotate the knife rest body, when knife rest body rotates ninety degrees every turn, the sliding block can once contradict with pressure sensor, and the start-up of electric telescopic handle is controlled to the response number of times through setting up pressure sensor, after the number of times that the sliding block slided to pressure sensor reached the number of times that sets up, can start electric telescopic handle and start to drive the movable plate and move down, make the sliding block fall into the fixed slot, thereby fix the knife rest body, reach the purpose that improves the precision of knife rest body location.

Description

Repeated positioning device for electric tool rest of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a repeated positioner who is used for digit control machine tool electric knife rest.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, which are represented by coded numbers, which are input to the numerical control device via the information carrier. After operation processing, a numerical control device sends out various control signals to control the action of a machine tool, and parts are automatically machined according to the shape and the size required by a drawing, wherein an electric tool rest is arranged on the numerical control machine, and after a numerical control system of the machine tool sends out a tool selection instruction, the electric tool rest rotates.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a repeated positioner for digit control machine tool electric knife rest reaches the problem of mentioning in solving above-mentioned background.

In order to achieve the above purpose, the utility model provides a following technical scheme: a repeated positioner for digit control machine tool electric knife rest, including motor and knife rest base, the shaft coupling fixedly connected with worm of motor, the one end that the motor was kept away from to the worm runs through knife rest base's outer wall through first bearing and rotates through second bearing and knife rest base's inner wall one side to be connected, knife rest base's top is provided with the bull stick, and the bull stick runs through knife rest base's top through the third bearing and extends to knife rest base's inside, the bottom fixedly connected with worm wheel of bull stick, the top fixedly connected with carousel of bull stick, the top of carousel is provided with the knife rest body, knife rest base's top fixedly connected with fixing device, fixing device includes fixed slot, electric telescopic handle, movable plate, pressure sensor, movable rod, first thread groove, sliding block, first bolt, the fixed slot is seted up in knife rest base's top one side, electric telescopic handle fixed connection is in the inner wall bottom of fixed slot, movable plate fixed connection is at electric telescopic handle's top, and the inner wall sliding connection of movable plate and bolt and sliding block, pressure sensor fixed mounting is at the top at the movable plate, movable rod fixed mounting is at the top of movable rod, the bottom of movable rod and first thread groove, first bolt and first thread groove.

Preferably, the worm is in meshed connection with the worm wheel, and the worm is meshed with the worm wheel to enable the worm to rotate to drive the rotating rod to rotate so as to drive the tool rest body to rotate.

Preferably, the quantity of movable rod is four, four the movable rod is fixed respectively in the bottom four corners of knife rest body, sets up to four through the quantity with the movable rod, is in order to make knife rest body every rotate ninety degrees, and the movable rod just passes over pressure sensor once.

Preferably, the top fixedly connected with installation device of carousel, installation device includes inserted bar, jack, second thread groove, second bolt, inserted bar fixed connection is at the top of carousel, the bottom at the knife rest body is seted up to the jack, the top at the inserted bar is seted up to the second thread groove, second bolt and second thread groove threaded connection are through setting up installation device, are for conveniently installing or dismantling the knife rest body.

Preferably, the number of the mounting devices is four, the four mounting devices are distributed at the top of the turntable, and the number of the mounting devices is four, so that the mounting of the tool rest base and the tool rest body is more stable.

Preferably, the inner wall of the jack is provided with a sealing rubber sleeve; and the inner wall of the sealing rubber sleeve is connected with the outer wall of the inserted bar in a sliding manner, and the sealing rubber sleeve is arranged so as to fill the gap between the inserted bar and the jack, so that the mounting device is more stable.

The utility model provides a repeated positioner for digit control machine tool electric knife rest. The method has the following beneficial effects:

(1) The utility model discloses a start the rotating tool rest body, when the knife rest body rotates ninety degrees every turn, the sliding block can once contradict with pressure sensor, through the start that sets up pressure sensor's response number of times controlled electric telescopic handle, after the number of times that slides pressure sensor when the sliding block reaches the number of times that sets up, can start electric telescopic handle and start to the drive movable plate moves down, makes the sliding block fall into the fixed slot, thereby fixes the knife rest body, reaches the purpose that improves the precision of knife rest body location.

(2) The utility model discloses a set up inserted bar and jack, second thread groove and second bolt, make carousel and knife rest body fix, make things convenient for the knife rest body to install or dismantle.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a motor; 2. a tool holder base; 3. a worm; 4. a rotating rod; 5. a worm gear; 6. a turntable; 7. a tool holder body; 8. a fixing device; 801. fixing grooves; 802. an electric telescopic rod; 803. moving the plate; 804. a pressure sensor; 805. a movable rod; 806. a first thread groove; 807. a slider; 808. a first bolt; 9. a mounting device; 901. inserting a rod; 902. a jack; 903. a second thread groove; 904. and a second bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a repeated positioning device for an electric tool rest of a numerical control machine tool comprises a motor 1 and a tool rest base 2, wherein a shaft coupling of the motor 1 is fixedly connected with a worm 3, one end, far away from the motor 1, of the worm 3 penetrates through the outer wall of the tool rest base 2 through a first bearing and is rotatably connected with one side of the inner wall of the tool rest base 2 through a second bearing, a rotating rod 4 is arranged at the top of the tool rest base 2, the rotating rod 4 penetrates through the top of the tool rest base 2 through a third bearing and extends into the tool rest base 2, a worm wheel 5 is fixedly connected to the bottom of the rotating rod 4, the worm 3 is meshed with the worm wheel 5 so that the rotating rod 4 can be driven to rotate by the rotation of the worm 3, and therefore the tool rest body 7 is driven to rotate, a rotary disc 6 is fixedly connected to the top of the rotating rod 4, a tool rest body 7 is arranged at the top of the rotary disc 6, and a fixing device 8 is fixedly connected to the top of the tool rest base 2, the fixing device 8 comprises a fixing groove 801, an electric telescopic rod 802, a moving plate 803, a pressure sensor 804, a movable rod 805, a first thread groove 806, a sliding block 807 and a first bolt 808, the fixing groove 801 is arranged at one side of the top of the tool rest base 2, the electric telescopic rod 802 is fixedly connected to the bottom of the inner wall of the fixing groove 801, the moving plate 803 is fixedly connected to the top of the electric telescopic rod 802, the moving plate 803 is slidably connected with the inner wall of the fixing groove 801, the pressure sensor 804 is fixedly arranged at the top of the moving plate 803, the movable rod 805 is fixedly connected to the bottom of the tool rest body 7, the number of the movable rods 805 is four, the four movable rods 805 are respectively fixed at four corners of the bottom of the tool rest body 7, the number of the movable rods 805 is four, so that the movable rods 805 pass through the pressure sensor 804 once every time when the tool rest body 7 rotates ninety degrees, the first thread groove 806 is arranged at the bottom of the movable rod 805, the sliding block 807 is movably connected with the bottom of the movable rod 805, the first bolt 808 is fixedly connected with the top of the sliding block 807, the first bolt 808 is in threaded connection with the first threaded groove 806, the top of the rotary table 6 is fixedly connected with the mounting devices 9, the number of the mounting devices 9 is four, the four mounting devices 9 are distributed on the top of the rotary table 6, the number of the mounting devices 9 is four, so that the tool rest base 2 and the tool rest body 7 can be more stably mounted, the mounting devices 9 comprise inserting rods 901, inserting holes 902, second threaded grooves 903 and second bolts 904, the inserting rods 901 are fixedly connected with the top of the rotary table 6, the inserting holes 902 are formed in the bottom of the tool rest body 7, and the inner walls of the inserting holes 902 are provided with sealing rubber sleeves; and the inner wall of sealing rubber sleeve and the outer wall sliding connection of inserted bar 901, through setting up the sealing rubber sleeve, be in order to fill the gap between inserted bar 901 and the jack 902 to make installation device 9 more stable, second thread groove 903 is seted up at the top of inserted bar 901, second bolt 904 and second thread groove 903 threaded connection, through setting up installation device 9, be for the convenience to install or dismantle knife rest body 7.

The working principle is as follows: by starting the motor 1, the motor 1 drives the worm 3 to rotate, the worm 3 drives the rotating rod 4 to rotate through the worm wheel 5, so as to drive the rotating disc 6 to rotate, so as to drive the knife rest body 7 to rotate, when the knife rest body 7 rotates by ninety degrees, the sliding block 807 arranged at the bottom of the movable rod 805 can be abutted against the pressure sensor 804 once, the starting of the electric telescopic rod 802 is controlled through the induction times of the pressure sensor 804, when the sliding block 807 slides to the pressure sensor 804 to reach the set times, the electric telescopic rod 802 is started, so as to drive the movable plate 803 to move downwards, so that the sliding block 807 falls into the fixed groove 801, so as to fix the knife rest body 7, and thus the positioning precision of the knife rest body 7 is improved; the insertion rod 901, the insertion hole 902, the second thread groove 903 and the second bolt 904 are arranged, so that the rotary disc 6 and the tool rest body 7 are fixed, and the tool rest body 7 is convenient to mount or dismount.

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

Claims (6)

1. A repeated positioner for digit control machine tool electric knife rest, including motor (1) and knife rest base (2), its characterized in that: the coupling of motor (1) fixedly connected with worm (3), the one end that motor (1) was kept away from to worm (3) runs through the outer wall of knife rest base (2) through first bearing and is connected with the inner wall one side rotation of knife rest base (2) through the second bearing, the top of knife rest base (2) is provided with bull stick (4), and bull stick (4) runs through the top of knife rest base (2) through the third bearing and extends to the inside of knife rest base (2), the bottom fixedly connected with worm wheel (5) of bull stick (4), the top fixedly connected with carousel (6) of bull stick (4), the top of carousel (6) is provided with knife rest body (7), the top fixedly connected with fixing device (8) of knife rest base (2), fixing device (8) include fixed slot (801), electric telescopic handle (802), movable plate (803), pressure sensor (804), movable rod (805), first thread groove (806), sliding block (807), first bolt (808), fixed slot (801) is seted up in knife rest base (2), the fixed slot (802) is connected in the top one side of fixed slot (802), the fixed connection is at the electric telescopic handle (802), the top of telescopic handle (802), and the movable plate (803) is in sliding connection with the inner wall of the fixed groove (801), the pressure sensor (804) is fixedly mounted at the top of the movable plate (803), the movable rod (805) is fixedly connected at the bottom of the tool rest body (7), the first thread groove (806) is formed in the bottom of the movable rod (805), the sliding block (807) is in movable connection with the bottom of the movable rod (805), the first bolt (808) is fixedly connected at the top of the sliding block (807), and the first bolt (808) is in threaded connection with the first thread groove (806).

2. The repetitive positioning device for electric tool post of numerical control machine tool according to claim 1, characterized in that: the worm (3) is meshed with the worm wheel (5).

3. The repetitive positioning device for electric tool post of numerical control machine tool according to claim 2, characterized in that: the number of the movable rods (805) is four, and the four movable rods (805) are respectively fixed at four corners of the bottom of the knife rest body (7).

4. The repetitive positioning device for electric tool post of numerical control machine tool according to claim 3, characterized in that: the top fixedly connected with installation device (9) of carousel (6), installation device (9) are including inserted bar (901), jack (902), second thread groove (903), second bolt (904), inserted bar (901) fixed connection is at the top of carousel (6), jack (902) are seted up in the bottom of knife rest body (7), the top at inserted bar (901) is seted up in second thread groove (903), second bolt (904) and second thread groove (903) threaded connection.

5. The device for the repeated positioning of the electric tool post of the numerical control machine according to claim 4, characterized in that: the number of the mounting devices (9) is four, and the four mounting devices (9) are distributed at the top of the rotary table (6).

6. The device for the repeated positioning of the electric tool post of the numerical control machine according to claim 5, characterized in that: the inner wall of the jack (902) is provided with a sealing rubber sleeve, and the inner wall of the sealing rubber sleeve is connected with the outer wall of the inserted rod (901) in a sliding mode.

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