CN219766492U

CN219766492U - Precise machining device

Info

Publication number: CN219766492U
Application number: CN202321077634.8U
Authority: CN
Inventors: 余雄文
Original assignee: Wuhan Feng Machinery Manufacturing Co ltd
Current assignee: Wuhan Feng Machinery Manufacturing Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-09-29
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a precision machining device, and relates to the technical field of precision machining; the automatic feeding device comprises a workbench, wherein the top end of the workbench is fixedly connected with symmetrically distributed sliding rods, a fixed plate is fixedly connected between the top ends of the sliding rods, a hydraulic cylinder is fixedly arranged at the top end of the fixed plate, a piston rod of the hydraulic cylinder is fixedly connected with a sliding plate, and the sliding plate is slidably clamped on the outer side of the sliding rod; through setting up protection machanism, when carrying out punching press processing to the work piece, utilize the pneumatic cylinder to promote the slide along the outside downwardly sliding of slide bar, drive the dwang simultaneously and move down to drive L type pole and rotate around the bottom of montant, and then drive the push rod and rotate to one side of punching press seat, push away staff's hand, avoid the staff to lead to misoperation because of the distraction easily, place the hand in the below of clamp plate, lead to the problem that the hand was pressed from both sides, security when further having improved punching press processing operation has ensured staff life safety.

Description

Precise machining device

Technical Field

The utility model relates to the technical field of precision machining, in particular to a precision machining device.

Background

Precision machining is a process in which the external dimensions or properties of a workpiece are changed by a machining machine. The workpiece to be processed is classified into cold processing and hot processing according to the temperature state of the workpiece.

At present, when the precision machine is used for stamping, the hydraulic lifting mode is mainly adopted, but most of traditional precision machine stamping devices lack a hand clamping prevention mechanism, when the stamping device works, workers easily cause misoperation due to distraction, hands are placed below a pressing plate, the hands are clamped, certain potential safety hazards exist, and aiming at the problems, the inventor proposes a precision machining device for solving the problems.

Disclosure of Invention

The problem that a traditional precision mechanical stamping processing device lacks a hand clamping prevention mechanism is solved; the utility model aims to provide a precision machining device.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a precision machining device, includes the workstation, the slide bar of the top fixedly connected with symmetric distribution of workstation, fixedly connected with fixed plate between the top of slide bar, the top fixed mounting of fixed plate has the pneumatic cylinder, the piston rod fixedly connected with slide of pneumatic cylinder, slide slip card is established in the outside of slide bar, one side of slide bar is provided with protection machanism, the bottom of slide is provided with buffer gear.

Preferably, the protection machanism includes the dead lever of symmetric distribution, dead lever fixed connection is in one side of slide bar, fixedly connected with diaphragm between the one end that the slide bar was kept away from to the dead lever, the bottom middle part fixedly connected with montant of diaphragm, one side that the montant is close to the slide rotates and is connected with L type pole, the bottom fixedly connected with push rod of L type pole, one side that the slide is close to L type pole rotates and is connected with the dwang, the one end that the slide was kept away from to the dwang is kept away from to the one end that the push rod was kept away from to the L type pole rotates with the L type pole and is connected.

Preferably, the buffer gear includes the telescopic link that the symmetry set up, the telescopic link sets up on the top of slide, the equal fixedly connected with stopper in top of telescopic link, the bottom of telescopic link all moves about and runs through the slide, fixedly connected with clamp plate between the bottom of telescopic link, be provided with the spring between the bottom of slide and the top of clamp plate, the outside at the telescopic link is established to the spring movable sleeve, the bottom middle part fixedly connected with punching press head of slide, the top middle part fixed mounting of workstation has the punching press seat, the center of punching press head and punching press seat corresponds, the identical logical groove with the punching press seat has been seted up to the bottom of clamp plate, one side that the push rod is close to the punching press seat is provided with the protection pad.

Preferably, the two ends of the sliding plate are fixedly provided with vertical bearings, and the vertical bearings are movably sleeved on the outer side of the sliding rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up protection machanism, when carrying out punching press processing to the work piece, utilize the pneumatic cylinder to promote the slide and slide downwards along the outside of slide bar, drive the dwang simultaneously and remove downwards to drive L type pole and rotate around the bottom of montant, and then drive the push rod and rotate to one side of punching press seat, push away staff's hand, avoid the staff to lead to misoperation because of the distraction easily, place the hand in the below of clamp plate, lead to the problem that the hand was pressed from both sides, further improved the security when punching press processing was operated, ensured staff life safety;

2. through setting up buffer gear, when the bottom surface of clamp plate contacts with the top surface of workstation, the slide continues to move down, drives telescopic link relative slide upwards and slides to the extrusion spring, utilizes the clamp plate to press from both sides tightly spacingly to the work piece, then stretches out the punching press head to the junction of the bottom of logical groove and punching press seat, punches the work piece, sets up the stopper simultaneously, prevents that the telescopic link from the inside roll-off of slide, has further improved precision machining's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a side view of the present utility model.

FIG. 3 is a schematic view of the structure of the buffer mechanism and the skateboard of the present utility model.

Fig. 4 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a work table; 2. a slide bar; 3. a fixing plate; 4. a hydraulic cylinder; 5. a slide plate; 6. a protective mechanism; 61. a fixed rod; 62. a cross plate; 63. a vertical rod; 64. an L-shaped rod; 65. a push rod; 66. a rotating lever; 7. a buffer mechanism; 71. a telescopic rod; 72. a spring; 73. a pressing plate; 74. a through groove; 75. stamping a base; 76. punching heads; 8. a protective pad; 9. a vertical bearing; 10. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-4, the utility model provides a precision machining device, which comprises a workbench 1, wherein slide bars 2 which are symmetrically distributed are fixedly connected to the top end of the workbench 1, a fixed plate 3 is fixedly connected between the top ends of the slide bars 2, a hydraulic cylinder 4 is fixedly arranged at the top end of the fixed plate 3, a slide plate 5 is fixedly connected to a piston rod of the hydraulic cylinder 4, the slide plate 5 is slidably clamped on the outer side of the slide bar 2, a protection mechanism 6 is arranged on one side of the slide bar 2, and a buffer mechanism 7 is arranged at the bottom end of the slide plate 5.

The protection machanism 6 includes symmetrical distribution's dead lever 61, dead lever 61 fixed connection is in one side of slide bar 2, fixedly connected with diaphragm 62 between the one end that slide bar 2 was kept away from to dead lever 61, the bottom middle part fixedly connected with montant 63 of diaphragm 62 shown, one side that montant 63 is close to slide 5 rotates and is connected with L type pole 64, the bottom fixedly connected with push rod 65 of L type pole 64, one side that slide 5 is close to L type pole 64 rotates and is connected with dwang 66, the one end that slide 5 was kept away from to dwang 66 and the one end that push rod 65 was kept away from to L type pole 64 rotate and be connected.

Through adopting above-mentioned technical scheme, when carrying out punching press processing to the work piece, when the piston rod extension of pneumatic cylinder 4, promote slide 5 and slide downwards along the outside of slide bar 2, drive dwang 66 simultaneously and move downwards, utilize L type pole 64 to the spacing effect of dwang 66, drive L type pole 64 simultaneously and rotate around the bottom of montant 63, and then drive push rod 65 and rotate to the one side of keeping away from dwang 66, open staff's hand push, prevent that the staff from leading to the hand to be pressed from both sides because of work error.

The buffer gear 7 includes the telescopic link 71 that the symmetry set up, the telescopic link 71 sets up on the top of slide 5, the bottom of telescopic link 71 all activity runs through slide 5, fixedly connected with clamp plate 73 between the bottom of telescopic link 71, be provided with spring 72 between the bottom of slide 5 and the top of clamp plate 73, the outside at telescopic link 71 is established to the movable cover of spring 72, the bottom middle part fixedly connected with punching press head 76 of slide 5, the top middle part fixed mounting of workstation 1 has punching press seat 75, the center of punching press head 76 and punching press seat 75 corresponds, the logical groove 74 identical with punching press seat 75 has been seted up to the bottom of clamp plate 73, the equal fixedly connected with stopper 10 in top of telescopic link 71.

Through adopting above-mentioned technical scheme, when pneumatic cylinder 4 promotes slide 5 so that the bottom surface of clamp plate 73 and the top surface of workstation 1 contact, continue to promote slide 5 and remove downwards, drive telescopic link 71 and upwards slide relatively slide 5 simultaneously, and squeeze spring 72, it is spacing to press from both sides the clamp to press from both sides the work piece with clamp plate 73, then stretch out the punching press head 76 to the junction of the bottom of logical groove 74 and punching press seat 75, punch a press to the work piece, when pneumatic cylinder 4 piston rod shrink, utilize the elasticity effect of spring 72, make the position of clamp plate 73 reset, utilize stopper 10 simultaneously, prevent telescopic link 71 from the inside roll-off of slide 5.

Two ends of the sliding plate 5 are fixedly provided with vertical bearings 9, and the vertical bearings 9 are movably sleeved on the outer side of the sliding rod 2.

Through adopting above-mentioned technical scheme, through setting up vertical bearing 9, the slide 5 of being convenient for slides along the outside of slide bar 2 better.

The side of the push rod 65 near the punching seat 75 is provided with a protection pad 8.

Through adopting above-mentioned technical scheme, through setting up protection pad 8, more comfortable when contacting with the people's arm.

Working principle: when a workpiece is punched, when a piston rod of the hydraulic cylinder 4 stretches, the sliding plate 5 is pushed to slide downwards along the outer side of the sliding rod 2, meanwhile, the rotating rod 66 is driven to move downwards, the limiting effect of the L-shaped rod 64 on the rotating rod 66 is utilized, meanwhile, the L-shaped rod 64 is driven to rotate around the bottom end of the vertical rod 63, and then the push rod 65 is driven to rotate towards one side of the punching seat 75, so that a worker is pushed to open by hand, and the worker is prevented from being clamped by the hand due to work errors;

when the hydraulic cylinder 4 pushes the sliding plate 5 to enable the bottom surface of the pressing plate 73 to be in contact with the top surface of the workbench 1, the sliding plate 5 is pushed to move downwards continuously, meanwhile, the telescopic rod 71 is driven to slide upwards relative to the sliding plate 5 and extrude the spring 72, the pressing plate 73 is used for clamping and limiting a workpiece, then the stamping head 76 is extended to the joint of the bottom end of the through groove 74 and the stamping seat 75 to stamp the workpiece, when the piston rod of the hydraulic cylinder 4 is contracted, the position of the pressing plate 73 is reset under the elastic force of the spring 72, and meanwhile, the limiting block 10 is used for preventing the telescopic rod 71 from sliding out of the sliding plate 5, so that the working efficiency is further improved.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A precision machining device, comprising a workbench (1), characterized in that: the automatic lifting device is characterized in that a sliding rod (2) is fixedly connected to the top end of the workbench (1) and symmetrically distributed, a fixing plate (3) is fixedly connected between the top ends of the sliding rods (2), a hydraulic cylinder (4) is fixedly arranged at the top end of the fixing plate (3), a sliding plate (5) is fixedly connected to a piston rod of the hydraulic cylinder (4), the sliding plate (5) is slidably clamped on the outer side of the sliding rod (2), a protection mechanism (6) is arranged on one side of the sliding rod (2), and a buffer mechanism (7) is arranged at the bottom end of the sliding plate (5).

2. The precision machining device according to claim 1, wherein the protection mechanism (6) comprises symmetrically distributed fixing rods (61), the fixing rods (61) are fixedly connected to one side of the sliding rod (2), transverse plates (62) are fixedly connected between one ends of the fixing rods (61) far away from the sliding rod (2), vertical rods (63) are fixedly connected to the middle parts of the bottom ends of the transverse plates (62), one side of each vertical rod (63) close to the sliding plate (5) is rotationally connected with an L-shaped rod (64), the bottom end of each L-shaped rod (64) is fixedly connected with a push rod (65), one side of each sliding plate (5) close to each L-shaped rod (64) is rotationally connected with a rotating rod (66), and one end of each rotating rod (66) far away from each sliding plate (5) is rotationally connected with one end of each L-shaped rod (64) far away from each push rod (65).

3. The precision machining device according to claim 2, wherein the buffer mechanism (7) comprises symmetrically arranged telescopic rods (71), the telescopic rods (71) are arranged at the top ends of the sliding plates (5), the bottom ends of the telescopic rods (71) are movably penetrated through the sliding plates (5), pressing plates (73) are fixedly connected between the bottom ends of the telescopic rods (71), springs (72) are arranged between the bottom ends of the sliding plates (5) and the top ends of the pressing plates (73), and the springs (72) are movably sleeved on the outer sides of the telescopic rods (71).

4. A precision machining device according to claim 3, characterized in that a punching head (76) is fixedly connected to the middle of the bottom end of the sliding plate (5), a punching seat (75) is fixedly installed at the middle of the top end of the workbench (1), the punching head (76) corresponds to the center of the punching seat (75), and a through groove (74) which is matched with the punching seat (75) is formed in the bottom end of the pressing plate (73).

5. A precision machining device according to claim 4, characterized in that the side of the push rod (65) close to the punching seat (75) is provided with a protective pad (8).

6. A precision machining device as claimed in claim 3, characterised in that the two ends of the slide plate (5) are fixedly provided with vertical bearings (9), the vertical bearings (9) being movably sleeved on the outer side of the slide rod (2).

7. A precision machining device according to claim 3, characterized in that the top ends of the telescopic rods (71) are fixedly connected with limiting blocks (10).