CN212043640U

CN212043640U - Workpiece machining and positioning mechanism of numerical control machine tool

Info

Publication number: CN212043640U
Application number: CN202020527242.7U
Authority: CN
Inventors: 曹浩; 徐伟; 尤伟; 吴小兵
Original assignee: Changzhou Transcend Cnc Machine Tool Co ltd
Current assignee: Changzhou Transcend Cnc Machine Tool Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-12-01
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a workpiece processing and positioning mechanism of a numerical control machine tool, which comprises a mechanism body, wherein the mechanism body comprises a bottom plate, the left side of the bottom plate is fixedly provided with an installation cavity, the upper surface of the bottom plate is provided with a first groove, and a rotating shaft is arranged in the first groove in a rotating manner; the first motor, the second motor and the third motor are controlled by the controller, and the two clamping plates simultaneously move in opposite directions by the second motor to clamp and fix the workpiece, so that the clamp is suitable for various workpieces; the first motor drives the supporting seat to rotate, so that the device can conveniently process workpieces in different directions; by arranging the limiting rod, the second spring and the pressing block, a certain buffering effect is achieved when the sliding sleeve moves up and down, and the sliding sleeve is prevented from being damaged; when the processing mechanism adds man-hour to the work piece downwards and can produce the impact force, through mutually supporting of sleeve, first spring, stopper and buffer lever, avoid causing the damage to the processing platform because of the impact force is too big.

Description

Workpiece machining and positioning mechanism of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is work piece processing positioning mechanism of digit control machine tool.

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, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.

Numerically-controlled machine tool often needs to use the holder to come to carry out the centre gripping to the work piece that is processed, nevertheless because the work piece of processing is various, the various work pieces of unable fine adaptation of single kind anchor clamps, if change suitable anchor clamps, bolted connection's anchor clamps are changed more troublesome to the holder can't rotate, leads to subsequent processing needs adjustment many times, can't fine the needs that satisfy the use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a workpiece machining positioning mechanism of digit control machine tool has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the workpiece processing and positioning mechanism of the numerical control machine tool comprises a mechanism body, wherein the mechanism body comprises a bottom plate, a mounting cavity is fixedly arranged on the left side of the bottom plate, a first groove is formed in the upper surface of the bottom plate, a rotating shaft is rotatably arranged in the middle of the inside of the first groove, a first motor is fixedly arranged in the first groove and positioned on the left side of the rotating shaft, a driving gear is fixedly sleeved on an output shaft of the first motor, a driven gear meshed with the driving gear is fixedly sleeved on the rotating shaft, a controller is fixedly arranged on the right side of the rotating shaft of the first groove, the top end of the rotating shaft extends to the upper side of the bottom plate and is fixedly connected with a supporting seat, a group of rollers are symmetrically arranged on two sides of the rotating shaft at the bottom of the supporting seat respectively, the rollers are slidably arranged in the first groove, the inside equidistance of second recess is provided with a plurality of buffer gear, the fixed processing platform that is provided with in buffer gear top, the symmetry is provided with a set of horizontal pole around the upper surface of processing platform, the cavity has been seted up to the inside of horizontal pole, the inside rotation of cavity is provided with the bull stick, the one end of bull stick extends to the right-hand member outside and the fixed cover of horizontal pole are equipped with the runner, one of them the left end of bull stick extends to the outside and the transmission in left side of horizontal pole are connected with the second motor, the second motor fixed set up in the left side portion that lies in the second recess on the supporting seat, be provided with a set of opposite direction's first external screw thread and second external screw thread on the bull stick, two thread bush is equipped with a.

Preferably, the two rotating wheels are connected through a synchronous belt.

Preferably, buffer gear including fixed set up in the inside sleeve of second recess, the bottom is fixed in the sleeve and is provided with first spring, the fixed stopper that is provided with in top of first spring, the fixed buffer beam that is provided with in top of stopper, the top of buffer beam extend to sleeve top and with the bottom fixed connection of processing platform.

Preferably, the fixed third motor that is provided with of bottom in the installation cavity, the output shaft transmission of third motor is connected with the lead screw, the top of lead screw pass through the bearing rotate set up in the installation cavity, threaded sleeve is equipped with the sliding sleeve on the lead screw, the fixed spliced pole that is provided with in right side of sliding sleeve, the one end of spliced pole extends to the outside and the fixedly connected with processing agency mounting panel of installation cavity, the third motor with controller electric connection.

Preferably, the installation cavity is internally provided with a limiting rod fixedly arranged on the left side wall of the screw rod, and the limiting rod is arranged in the sliding sleeve in a sliding manner.

Preferably, the top and the bottom of gag lever post all are equipped with the second spring, the one end of second spring with the top and the bottom fixed connection of gag lever post, second spring other end fixedly connected with briquetting, the briquetting slip cap is located on the gag lever post.

Preferably, the first motor and the second motor are both electrically connected with the controller.

The utility model discloses possess following beneficial effect:

1. according to the workpiece processing and positioning mechanism of the numerical control machine tool, the first motor, the second motor and the third motor are controlled through the controller, a workpiece to be processed is placed on the processing table, the second motor drives the two rotating rods to rotate, and because the rotating rods are engraved with opposite external threads, the two clamping plates move in opposite directions simultaneously to clamp and fix the workpiece, so that the workpiece processing and positioning mechanism is suitable for various workpieces; the rotating shaft of the first motor rotates to drive the supporting seat to rotate, and the supporting seat drives the roller to rotate in the first groove, so that the device can process workpieces in different directions conveniently.

2. According to the workpiece processing and positioning mechanism of the numerical control machine tool, the limiting rod, the second spring and the pressing block are arranged, so that a certain buffering effect is achieved when the sliding sleeve moves up and down, and the sliding sleeve is prevented from being damaged; when the processing mechanism downwards processes the workpiece, impact force can be generated, the impact force is relieved through mutual matching of the sleeve, the first spring, the limiting block and the buffer rod, and damage to the processing table due to overlarge impact force is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the processing table of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a mounting cavity; 3. a first groove; 4. a rotating shaft; 5. a first motor; 6. a driving gear; 7. a driven gear; 8. a controller; 9. a supporting seat; 10. a roller; 11. a second groove; 12. a buffer mechanism; 121. a sleeve; 122. a first spring; 123. a limiting block; 124. a buffer rod; 13. a processing table; 14. a cross bar; 15. a cavity; 16. a rotating rod; 17. a rotating wheel; 18. a second motor; 19. a first external thread; 20. a second external thread; 21. a splint; 22. a third motor; 23. a screw rod; 24. a sliding sleeve; 25. connecting columns; 26. a machining mechanism mounting plate; 27. a limiting rod; 28. a second spring; 29. and (7) briquetting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, a workpiece processing and positioning mechanism of a numerical control machine tool comprises a mechanism body, the mechanism body comprises a bottom plate 1, a mounting cavity 2 is fixedly arranged at the left side of the bottom plate 1, a first groove 3 is arranged on the upper surface of the bottom plate 1, a rotating shaft 4 is rotatably arranged in the middle of the first groove 3, a first motor 5 is fixedly arranged at the left side of the rotating shaft 4 in the first groove 3, a driving gear 6 is fixedly sleeved on an output shaft of the first motor 5, a driven gear 7 engaged with the driving gear 6 is fixedly sleeved on the rotating shaft 4, a controller 8 is fixedly arranged at the right side of the rotating shaft 4 in the first groove 3, the top end of the rotating shaft 4 extends to the upper side of the bottom plate 1 and is fixedly connected with a supporting seat 9, a group of rollers 10 are symmetrically arranged at the two sides of the rotating shaft 4 at the bottom of the supporting seat 9 respectively, inside equidistance of second recess 11 is provided with a plurality of buffer gear 12, the fixed processing platform 13 that is provided with in buffer gear 12 top, the symmetry is provided with a set of horizontal pole 14 around the upper surface of processing platform 13, cavity 15 has been seted up to horizontal pole 14 inside, the inside rotation of cavity 15 is provided with bull stick 16, the one end of bull stick 16 extends to the right-hand member outside of horizontal pole 14 and fixed cover is equipped with runner 17, the left end of one of them bull stick 16 extends to the left side outside of horizontal pole 14 and the transmission is connected with second motor 18, second motor 18 is fixed to be set up and is located the left side portion of second recess 11 on supporting seat 9, be provided with a set of opposite direction's first external screw thread 19 and second external screw thread 20 on the bull stick 16, the thread cover is equipped.

Wherein, two runners 17 are connected through the hold-in range, are convenient for drive another runner 16 to rotate when one of them runner 16 rotates.

Wherein, buffer gear 12 is including fixed setting up in the inside sleeve 121 of second recess 11, the fixed first spring 122 that is provided with of bottom in sleeve 121, the fixed stopper 123 that is provided with in top of first spring 122, the fixed buffer beam 124 that is provided with in top of stopper 123, the top of buffer beam 124 extend to sleeve 121 top and with the bottom fixed connection of processing platform 13, when using through setting up buffer gear 12, can produce the impact force when processing mechanism adds the work piece downwards, through sleeve 121, first spring 122, stopper 123 and buffer beam 124 mutually support and alleviate the impact force, avoid causing the damage because of the impact force is too big to processing platform 13.

Wherein, the fixed third motor 22 that is provided with of bottom in installation cavity 2, the output shaft transmission of third motor 22 is connected with lead screw 23, the top of lead screw 23 is passed through the bearing and is rotated and set up in installation cavity 2, threaded sleeve is equipped with sliding sleeve 24 on the lead screw 23, the fixed spliced pole 25 that is provided with in right side of sliding sleeve 24, the one end of spliced pole 25 extends to the outside and the fixedly connected with processing agency mounting panel 26 of installation cavity 2,

third motor

22 and 8 electric connection of controller, be convenient for drive processing agency mounting panel 26 through setting up third motor 22 and reciprocate.

Wherein, the inside left side wall that is located lead screw 23 of installation cavity 2 is fixed and is provided with gag lever post 27, and gag lever post 27 slides and sets up in the inside of sliding sleeve 24, through setting up gag lever post 27 restriction sliding sleeve 24's home range.

Wherein, the top and the bottom of gag lever post 27 all are equipped with second spring 28, the one end of second spring 28 and the top and the bottom fixed connection of gag lever post 27, and second spring 28 other end fixedly connected with briquetting 29, briquetting 29 slip cap are located on gag lever post 27, through setting up second spring 28 and briquetting 29, play certain cushioning effect when sliding sleeve 24 reciprocates, avoid causing the damage to sliding sleeve 24.

Wherein, the first motor 5 and the second motor 18 are both electrically connected with the controller 8.

When the device is used, the controller 8 controls the first motor 5, the second motor 18 and the third motor 22, a workpiece to be machined is placed on the machining table 13, the second motor 18 is started to drive, the second motor 18 drives the two rotating rods 16 to rotate, and the rotating rods 16 are engraved with opposite external threads, so that the two clamping plates 21 move in opposite directions simultaneously to clamp and fix a machined part, and the device is suitable for various workpieces; the driving gear 6 is driven to rotate by the first motor 5, then the rotating shaft 4 is driven to rotate by the driven gear 7, the supporting seat 9 is driven to rotate by the rotating shaft 4, the roller 10 is driven to rotate in the first groove 3 by the rotating of the supporting seat 9, and the device is convenient for processing workpieces in different directions; the third motor 22 drives the screw rod 23 to rotate, the screw rod 23 drives the sliding sleeve 24 and the machining mechanism mounting plate 26 to move up and down to machine a workpiece, and the limiting rod 27, the second spring 28 and the pressing block 29 are arranged to play a certain buffering role when the sliding sleeve 24 moves up and down, so that the sliding sleeve 24 is prevented from being damaged; when the processing mechanism processes a workpiece downwards, impact force is generated, and the sleeve 121, the first spring 122, the limiting block 123 and the buffer rod 124 are matched with each other to reduce the impact force, so that the processing table 13 is prevented from being damaged due to overlarge impact force.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. Workpiece machining positioning mechanism of digit control machine tool, including the mechanism body, its characterized in that: the mechanism body comprises a bottom plate (1), a mounting cavity (2) is fixedly arranged on the left side of the bottom plate (1), a first groove (3) is formed in the upper surface of the bottom plate (1), a rotating shaft (4) is arranged in the middle of the inside of the first groove (3) in a rotating mode, a first motor (5) is fixedly arranged on the left side of the rotating shaft (4) in the inside of the first groove (3), a driving gear (6) is fixedly sleeved on an output shaft of the first motor (5), a driven gear (7) meshed with the driving gear (6) is fixedly sleeved on the rotating shaft (4), a controller (8) is fixedly arranged on the right side of the rotating shaft (4) in the first groove (3), the top end of the rotating shaft (4) extends to the upper portion of the bottom plate (1) and is fixedly connected with a supporting seat (9), a group of idler wheels (10) are symmetrically arranged on two sides of the rotating shaft (4) in the, the utility model discloses a processing device of a motor vehicle, including first recess (3), gyro wheel (10), buffer mechanism (12), processing platform (13), gyro wheel (10) slide set up in first recess (3), second recess (11) have been seted up to the upper surface of supporting seat (9), the inside equidistance of second recess (11) is provided with a plurality of buffer gear (12), the fixed processing platform (13) that is provided with in buffer gear (12) top, the symmetry is provided with a set of horizontal pole (14) around the upper surface of processing platform (13), cavity (15) have been seted up to the inside of horizontal pole (14), the inside rotation of cavity (15) is provided with bull stick (16), the one end of bull stick (16) extends to the right-hand member outside of horizontal pole (14) and fixed cover is equipped with runner (17), one of which the left end of bull stick (16) extends to the left side outside of horizontal pole (14) and transmission is connected with, a set of first external threads (19) and second external threads (20) which are opposite in direction are arranged on the rotating rods (16), and a set of clamping plates (21) are sleeved between the rotating rods (16) in a threaded mode.

2. The workpiece processing and positioning mechanism of the numerical control machine tool according to claim 1, characterized in that: the two rotating wheels (17) are connected through a synchronous belt.

3. The workpiece processing and positioning mechanism of the numerical control machine tool according to claim 1, characterized in that: buffer gear (12) including fixed set up in inside sleeve (121) of second recess (11), the bottom is fixed in sleeve (121) and is provided with first spring (122), the fixed stopper (123) that is provided with in top of first spring (122), the fixed buffer beam (124) that is provided with in top of stopper (123), the top of buffer beam (124) extend to sleeve (121) top and with the bottom fixed connection of processing platform (13).

4. The workpiece processing and positioning mechanism of the numerical control machine tool according to claim 1, characterized in that: the fixed third motor (22) that is provided with of bottom in installation cavity (2), the output shaft transmission of third motor (22) is connected with lead screw (23), the top of lead screw (23) pass through the bearing rotate set up in installation cavity (2), threaded sleeve is equipped with sliding sleeve (24) on lead screw (23), the fixed spliced pole (25) that is provided with in right side of sliding sleeve (24), the one end of spliced pole (25) extends to outside and the fixedly connected with processing mechanism mounting panel (26) of installation cavity (2), third motor (22) with controller (8) electric connection.

5. The workpiece processing and positioning mechanism of the numerical control machine tool according to claim 4, characterized in that: the mounting cavity (2) is internally provided with a limiting rod (27) fixedly arranged on the left side wall of the screw rod (23), and the limiting rod (27) is arranged in the sliding sleeve (24) in a sliding manner.

6. The workpiece processing and positioning mechanism of the numerical control machine tool according to claim 5, characterized in that: the top and the bottom of gag lever post (27) all are equipped with second spring (28), the one end of second spring (28) with the top and the bottom fixed connection of gag lever post (27), second spring (28) other end fixedly connected with briquetting (29), briquetting (29) slip cap is located on gag lever post (27).

7. The workpiece processing and positioning mechanism of the numerical control machine tool according to claim 1, characterized in that: the first motor (5) and the second motor (18) are both electrically connected with the controller (8).