CN212265231U

CN212265231U - Hydraulic clamping device for numerical control machine tool

Info

Publication number: CN212265231U
Application number: CN201922079702.4U
Authority: CN
Inventors: 王文虎; 张骐; 王齐星
Original assignee: Xuzhou University of Technology
Current assignee: Xuzhou University of Technology
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2021-01-01
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a fluid pressure type clamping device for digit control machine tool, including the device main part, the bottom of device main part is equipped with the base, and the top middle part of base is equipped with the spout, installs the locator in the spout, and the one end of locator is equipped with the hydraulic pressure vaulting pole. In the utility model, the designated part of the workpiece to be processed is fixed on the two sliders, the hydraulic support rod is pushed to the sliders to move forwards, when the sliders touch the collision sensor, the controller stops the work of the hydraulic support rod, so that the workpiece to be processed can move to a designated place to be clamped and fixed, the defect that the workpiece to be processed is positioned manually in the traditional technology is overcome, the error is reduced, and the working efficiency and the product quality are improved; the pressure sensor can transmit the force applied to the workpiece by the hydraulic rod to the controller, and the controller judges whether the workpiece is clamped and fixed, so that the adverse condition that the workpiece is not clamped or is excessively clamped is avoided.

Description

Hydraulic clamping device for numerical control machine tool

Technical Field

The utility model belongs to the technical field of digit control machine tool clamping device, particularly, relate to a fluid pressure type clamping device for digit control machine tool.

Background

A numerical control machine tool (Computer numerical control machine tools) is a short name for a numerical control machine tool, and is an automatic machine tool equipped with a program control system, and is capable of operating the machine tool and machining a part according to a programmed program. Integrates the latest technologies of machinery, automation, computers, measurement, microelectronics and the like. The basic components comprise a processing program carrier, a numerical control device, a servo driving device, a machine tool main body and other auxiliary devices, wherein the other auxiliary devices comprise clamping devices which can fix parts to be processed, so that the smooth processing of workpieces can be ensured; however, the existing clamping device has the following defects:

1. the existing clamping device calibrates the positioning of a large-part workpiece through manual work, and in the process, because mechanical equipment on a machine tool is more, the activity space of a worker is narrow, the workpiece is not convenient to calibrate the position of a machined part, the workpiece is positioned manually, and the workpiece is greatly influenced by external environmental factors (light and the like), so that the positioning error is easily caused.

2. The existing clamping device can not judge whether the clamped workpiece is clamped or not, so that the clamping is not carried out, the workpiece is deviated in the machining process to influence the machining effect, or the workpiece is too large to be machined, and the workpiece to be machined is damaged.

Therefore in order to solve the above problem, the utility model provides a fluid pressure type clamping device for digit control machine tool.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluid pressure type clamping device for digit control machine tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic clamping device for a numerical control machine tool comprises a device main body, wherein a base is arranged at the bottom end of the device main body, a sliding groove is formed in the middle of the top end of the base, a positioner is installed in the sliding groove, a hydraulic support rod is arranged at one end of the positioner, one end of the hydraulic support rod is fixedly connected with one end of the sliding groove through a bolt, a first sliding block is fixedly installed at the other end of the hydraulic support rod, a first limiting plate is fixedly installed on one side of the top end of the first sliding block, a first sliding plate is installed on the other side of the top end of the first sliding block, a second sliding block is arranged on one side of the first sliding block, the first sliding block and the second sliding block are fixedly connected in a penetrating mode through a connecting fixing rod, a second limiting plate is fixedly installed on one side of the top end of the second sliding block, a second sliding plate is installed on, the inside other end fixed mounting of spout has the collision inductor, top one side fixed mounting of base has hydraulic clamp holder, pressure sensors is installed to top one side of hydraulic clamp holder.

Furthermore, the bottom of the first sliding plate and the bottom of the second sliding plate are both fixedly provided with movable blocks, and the movable blocks are connected with the first guide rail and the second guide rail in a sliding manner.

Furthermore, threaded connection has first fixing bolt on the first slide, threaded connection has second fixing bolt on the second slide, the equal fixed mounting in both ends of connecting the dead lever has first fixing base.

Further, the bottom of hydraulic pressure holder is equipped with the second fixing base, the second fixing base with the bottom fixed connection of base, the top fixed mounting of second fixing base has telescopic cylinder, telescopic cylinder's top fixed mounting has L shape fixed plate, one side fixed mounting of L shape fixed plate has the hydraulic stem, the one end fixed mounting of hydraulic stem has the holding piece, pressure sensors with holding piece fixed connection.

Further, the top opposite side fixed mounting of base has the third limiting plate, bottom one side of third limiting plate is equipped with the recess, the size of recess with first limiting plate with the size of second limiting plate is slightly big.

Furthermore, a control switch and a controller are fixedly mounted on the top end surface of the base, the model of a main controller of the controller is KYS, and the model of a display of the controller is MAM-.

Further, be equipped with external power supply in the device main part, external power supply with control switch electric connection, control switch with hydraulic pressure vaulting pole, collision inductor, telescopic cylinder, pressure sensors, hydraulic stem and controller electric connection, collision inductor with pressure sensors with the controller passes through the signal line and connects, the controller with the hydraulic pressure vaulting pole with the hydraulic stem passes through the signal line and connects.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, fix on two sliders through the assigned position that will wait to process the work piece, have the hydraulic pressure vaulting pole to push away the slider and move forward, when the slider runs into the collision inductor, stop the work of hydraulic pressure vaulting pole by the controller, and then make and wait to process the work piece and can move to the assigned place and carry out the centre gripping fixed, solved the shortcoming of going on fixing a position by the manual work among the traditional art, still reduced the error, improved work efficiency and product quality.

2. The pressure sensor can transmit the force applied to the workpiece by the hydraulic rod to the controller, and the controller judges whether the workpiece is clamped and fixed, so that the adverse condition that the workpiece is not clamped or is excessively clamped is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the three-dimensional structure of the present invention

FIG. 2 is a schematic view of the locator of the present invention

FIG. 3 is a structural view of the hydraulic clamp holder of the present invention

Fig. 4 is a flowchart of the present invention.

Reference numerals:

1. a device main body; 2. a base; 3. a chute; 4. a positioner; 401. a hydraulic stay bar; 402. a first slider; 403. a first limit plate; 404. a first slide plate; 405. a first fixing bolt; 406. a second slider; 407. a second limiting plate; 408. a second slide plate; 409. a second fixing bolt; 410. connecting a fixed rod; 411. a first fixed seat; 412. a collision sensor; 413. a first guide rail; 414. a second guide rail; 5. a hydraulic clamp holder; 501. a second fixed seat; 502. a telescopic cylinder; 503. an L-shaped fixing plate; 504. a hydraulic lever; 505. a clamping piece; 506. a pressure sensor; 6. a control switch; 7. a controller; 8. and a third limiting plate.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-4, a hydraulic clamping device for a numerical control machine according to an embodiment of the present invention includes a device main body 1, a base 2 is disposed at a bottom end of the device main body 1, a sliding groove 3 is disposed at a middle portion of a top end of the base 2, a positioner 4 is installed in the sliding groove 3, a hydraulic stay 401 is disposed at one end of the positioner 4, one end of the hydraulic stay 401 is fixedly connected to one end of the sliding groove 3 through a bolt, a first slider 402 is fixedly installed at the other end thereof, a first limiting plate 403 is fixedly installed at one side of a top end of the first slider 402, a first sliding plate 404 is installed at the other side of the top end thereof, a first guide rail 413 is disposed at the top end of the first slider 402, a second slider 406 is disposed at one side of the first slider 402, the first slider 402 and the second slider 406 are fixedly connected through a connecting fixing rod 410, top one side fixed mounting of second slider 406 has second limiting plate 407, and second slide 408 is installed to its top opposite side, the top of second slider 406 is equipped with second guide rail 414, the inside other end fixed mounting of spout 3 has collision inductor 412, top one side fixed mounting of base 2 has hydraulic pressure holder 5, pressure sensors 506 are installed to top one side of hydraulic pressure holder 5.

Through the above scheme of the present invention, the bottom ends of the first sliding plate 404 and the second sliding plate 408 are both fixedly mounted with a movable block, and are slidably connected with the first guide rail 413 and the second guide rail 414 through the movable block; a first fixing bolt 405 is connected to the first sliding plate 404 through a thread, a second fixing bolt 409 is connected to the second sliding plate 408 through a thread, and first fixing seats 411 are fixedly mounted at two ends of the connecting fixing rod 410; a second fixed seat 501 is arranged at the bottom end of the hydraulic clamp holder 5, the second fixed seat 501 is fixedly connected with the bottom end of the base 2, a telescopic cylinder 502 is fixedly installed at the top end of the second fixed seat 501, an L-shaped fixed plate 503 is fixedly installed at the top end of the telescopic cylinder 502, a hydraulic rod 504 is fixedly installed at one side of the L-shaped fixed plate 503, a clamping piece 505 is fixedly installed at one end of the hydraulic rod 504, and the pressure sensor 506 is fixedly connected with the clamping piece 505; a third limiting plate 8 is fixedly mounted on the other side of the top end of the base 2, a groove is formed in one side of the bottom end of the third limiting plate 8, and the size of the groove is slightly larger than that of the first limiting plate 403 and the second limiting plate 407; the top end surface of the base 2 is fixedly provided with a control switch 6 and a controller 7, the model of a main controller of the controller 7 is KY02S, and the model of a display of the controller is MAM-100; be equipped with external power supply on the device main part 1, external power supply with control switch 6 electric connection, control switch with hydraulic pressure vaulting pole 401, collision inductor 412, telescopic cylinder 502, pressure sensors 506, hydraulic stem 504 and controller 7 electric connection, collision inductor 412 with pressure sensors 506 with controller 7 passes through the signal line and connects, controller 7 with hydraulic pressure vaulting pole 401 with hydraulic stem 504 passes through the signal line and connects.

In specific application, firstly, whether each structure on the device main body 1 can work normally is checked, after the normal work can be ensured, a workpiece to be machined is placed on the first sliding block 402 and the second sliding block 406, the first sliding block 404 and the second sliding block 408 fix the workpiece through the first fixing bolt 405 and the second fixing bolt 409 respectively, then the workpiece can move through the action of the hydraulic support rod 401, the workpiece is supported by manpower in the moving process to avoid the inclination of the workpiece, when the second sliding block 406 collides with the collision sensor 412, the workpiece is described to have moved to a specified place, the collision sensor 412 transmits data information to the controller 7, the controller 7 controls the hydraulic support rod 401 to stop working, then the clamping piece 505 and the third limiting plate 8 work together to fix the workpiece through the telescopic action of the hydraulic rod 504, in the process that the hydraulic rod 504 controls the clamping piece 505 to clamp and fix the workpiece, the pressure sensor 506 can transmit pressure information to the controller 7 in real time, and when the controller 7 judges that the workpiece is clamped, the controller controls the hydraulic rod 504 to stop working, so that the workpiece is prevented from being damaged due to overlarge force of the workpiece.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fluid pressure type clamping device for digit control machine tool, a serial communication port, including device main part (1), the bottom of device main part (1) is equipped with base (2), the top middle part of base (2) is equipped with spout (3), install locator (4) in spout (3), the one end of locator (4) is equipped with hydraulic pressure vaulting pole (401), the one end of hydraulic pressure vaulting pole (401) pass through the bolt with the one end fixed connection of spout (3), its other end fixed mounting has first slider (402), top one side fixed mounting of first slider (402) has first limiting plate (403), and first slide (404) are installed to its top opposite side, the top of first slider (402) is equipped with first guide rail (413), one side of first slider (402) is equipped with second slider (406), first slider (402) with through fixed connection dead lever (410) between the second slider (406) run through fixed connection The utility model discloses a hydraulic pressure sensor, top one side fixed mounting of second slider (406) has second limiting plate (407), and second slide (408) are installed to its top opposite side, the top of second slider (406) is equipped with second guide rail (414), the inside other end fixed mounting of spout (3) has collision inductor (412), top one side fixed mounting of base (2) has hydraulic pressure holder (5), pressure inductor (506) are installed to top one side of hydraulic pressure holder (5).

2. The hydraulic clamping device for the numerical control machine according to claim 1, wherein the bottom ends of the first sliding plate (404) and the second sliding plate (408) are fixedly provided with movable blocks, and are slidably connected with the first guide rail (413) and the second guide rail (414) through the movable blocks.

3. The hydraulic clamping device for the numerical control machine according to claim 1, wherein a first fixing bolt (405) is threadedly connected to the first sliding plate (404), a second fixing bolt (409) is threadedly connected to the second sliding plate (408), and a first fixing seat (411) is fixedly mounted at both ends of the connecting fixing rod (410).

4. The hydraulic clamping device for the numerical control machine according to claim 1, wherein a second fixed seat (501) is arranged at the bottom end of the hydraulic clamp holder (5), the second fixed seat (501) is fixedly connected with the bottom end of the base (2), a telescopic cylinder (502) is fixedly installed at the top end of the second fixed seat (501), an L-shaped fixed plate (503) is fixedly installed at the top end of the telescopic cylinder (502), a hydraulic rod (504) is fixedly installed at one side of the L-shaped fixed plate (503), a clamping piece (505) is fixedly installed at one end of the hydraulic rod (504), and the pressure sensor (506) is fixedly connected with the clamping piece (505).

5. The hydraulic clamping device for the numerical control machine according to claim 1, wherein a third limiting plate (8) is fixedly installed on the other side of the top end of the base (2), a groove is formed in one side of the bottom end of the third limiting plate (8), and the size of the groove is slightly larger than that of the first limiting plate (403) and that of the second limiting plate (407).

6. The hydraulic clamping device for the numerical control machine tool as claimed in claim 4, characterized in that the top surface of the base (2) is fixedly provided with a control switch (6) and a controller (7), the controller (7) has a master model of KY02S and a display model of MAM-100.

7. The hydraulic clamping device for the numerical control machine according to claim 6, wherein an external power supply is arranged on the device main body (1), the external power supply is electrically connected with the control switch (6), the control switch is electrically connected with the hydraulic support rod (401), the collision sensor (412), the telescopic cylinder (502), the pressure sensor (506), the hydraulic rod (504) and the controller (7), the collision sensor (412) and the pressure sensor (506) are connected with the controller (7) through signal lines, and the controller (7) is connected with the hydraulic support rod (401) and the hydraulic rod (504) through signal lines.