CN218452603U

CN218452603U - Safety limiting protection device

Info

Publication number: CN218452603U
Application number: CN202222704254.4U
Authority: CN
Inventors: 武华文; 马璐瑶; 苗鹏杰; 吴业北; 刘泽锋; 候玉勇; 吕亮亮
Original assignee: Xinjiang Institute Of Technology
Current assignee: Xinjiang Institute Of Technology
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-02-07
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a safety limit protection device, concretely relates to spacing protection field of lathe, including lathe housing, lathe housing's inner wall fixedly connected with supporting shoe, one side outer wall swing joint of supporting shoe has three-jaw chuck. The utility model discloses an operating panel control side of lathe casing front end moves the cutter frame and removes at the outer wall of slide, thereby the whole leading wheel that adopts the bottom of the removal cutter frame of control one side slides, near removing three-jaw chuck on the slide rail when removing the cutter frame, when leaning on horizontal limit switch, three-jaw chuck stall, thereby can control this lathe and carry out automatic parking when the operation and handle, very convenient safety, when using at the later stage simultaneously, the machined part can park through automatic shutdown's limit switch, cooperate between spacing safeguard measure and the rubber pad, can realize stop device elastic connection soft contact, the security of operation has been improved.

Description

Safety limiting protection device

Technical Field

The utility model relates to a spacing protection field of lathe, more specifically say, the utility model relates to a safety limit protection device.

Background

The lathe is a machine tool which mainly uses a lathe tool to carry out turning processing on a rotating workpiece, the lathe is the most main one of metal cutting machine tools, before the cutting machine tool is started, the numerical control lathe is subjected to comprehensive and detailed inspection, the numerical control lathe comprises an operation panel, a guide rail surface, a clamping jaw, a tailstock, a tool rest, a tool and the like, the operation is carried out after the confirmation is correct, the safe and civilized production is ensured, and the lathe must be stopped for processing when abnormal conditions such as workpiece jumping, shaking, abnormal sound, clamp loosening and the like occur in the operation;

through search, the prior patent (publication number: CN 204927257U) discloses a safety stopper, comprising: the inner part of the cylindrical sleeve is provided with a semi-stepped hole, the upper end of the cylindrical sleeve is provided with a flange, the semi-stepped hole enables the inner part of the cylindrical sleeve to be in a semi-stepped shape, and the front surface and the rear surface of the cylindrical sleeve are respectively provided with a bulge which is an upper limit position and a lower limit position; the bolt is inserted into the semi-stepped hole of the cylindrical sleeve, and the bottom of the bolt is provided with a left limiting lug and a right limiting lug which are used for limiting the bolt at the upper limit position and the lower limit position of the cylindrical sleeve; one end of the spring is fixed on the plug pin, and the other end of the spring is fixed on the flange of the cylindrical sleeve; the cylindrical sleeve, the plug pin and the spring are of an integral structure. The utility model discloses, it is spacing to mutually support through cylinder sleeve, bolt and spring combination an organic whole, can be spacing on the shallow with moving work piece frame safe and reliable ground, effectively ensures staff's safety and the quality of product. Effectively prevent the sleeve and drop, have better practical application value and spreading value to using the spacing of movable structure for a long time.

The inventor discovers that the prior art has the following problems in the process of realizing the utility model: in the production process of the existing lathe, when an abnormal condition occurs or after the production is finished, manual operation is needed for manual stop, the safety problem of the lathe in the production process cannot be well guaranteed, potential safety hazards may exist in later use, and therefore a safety limiting protection device needs to be additionally installed;

therefore, a safety limit protection device is provided for the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a safety limit protection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safety limit protection device, includes lathe housing, lathe housing's inner wall fixedly connected with supporting shoe, one side outer wall swing joint of supporting shoe has the three-jaw chuck, there is the fixing base top of supporting shoe through bolted connection, the top fixedly connected with support frame of fixing base, one side outer wall swing joint of support frame has the drive shaft, the outer wall through connection of drive shaft has the protection casing, the slide is installed in the inner wall through connection of supporting shoe, one side fixedly connected with limit switch of slide.

Preferably, the outer wall of the front end of the lathe shell is movably connected with an operation panel, one side of the operation panel is provided with a main shaft speed change handle, and one side of the main shaft speed change handle is movably connected with a supporting block.

Preferably, the protective cover forms a rotating structure through the driving shaft, the supporting frame and the driving motor, and the motor is 68KTYZ in model number.

Preferably, the outer wall block of slide is connected with the removal knife rest, and for running through the installation between slide and the supporting shoe, the lead screw is run through to the one side of supporting shoe near the slide and installs.

Preferably, the rear part of the lathe shell is welded and connected with a baffle, and the inner wall of the baffle is fixedly connected with a supporting block.

Preferably, one side of the outer wall of the supporting block, which is close to the three-jaw chuck, is fixedly connected with a rubber pad, and a driving motor is fixedly connected below the supporting block.

Preferably, the shield is symmetrical to a central axis of the three-jaw chuck, and an outer portion of the shield is formed in a bent shape.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, through the supporting shoe, the three-jaw chuck, remove the knife rest, the slide, limit switch, the relation between the rubber pad, when using in later stage, can move the knife rest through the outer wall of lathe casing front end's operating panel control one side, thereby the removal knife rest of control one side wholly adopts the leading wheel of bottom to slide, near removing the three-jaw chuck when removing the knife rest on the slide rail, when leaning on horizontal limit switch, three-jaw chuck stall, thereby can control this lathe and carry out automatic parking when the operation and handle, very convenient safety, simultaneously when using in later stage, the machined part can park through automatic parking's limit switch, cooperate between limit protection measure and the rubber pad, can realize stop device elastic connection soft contact, the security of operation has been improved.

2. Compared with the prior art, through the support frame, the protection casing, the drive shaft, a fixed base, relation between the driving motor, when using in the later stage, can drive the rotation control of drive shaft control protection casing on the outer wall of support frame through driving motor, the fixing base wholly plays the supporting role to the protection casing, after touching limit switch, when the protection casing presents the open mode, the lathe can't start for safety, just can normal operating when the protection casing closed state lathe, improve the security of processing, it is very convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side sectional structure view of the support block of the present invention.

Fig. 3 is a schematic structural view of the three-jaw chuck of the present invention.

Fig. 4 is a schematic view of the safety limiting structure of the present invention.

Fig. 5 is a schematic view of the protective cover of the present invention.

The reference signs are: 1. a lathe housing; 2. an operation panel; 3. a support block; 4. a main shaft speed change handle; 5. a support frame; 6. a protective cover; 7. a drive shaft; 8. a fixed seat; 9. a three-jaw chuck; 10. moving the tool rest; 11. a baffle plate; 12. a screw rod; 13. a slideway; 14. a limit switch; 15. a rubber pad; 16. the motor is driven.

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.

Example one

The safety limiting protection device shown in the attached figures 1 to 5 comprises a lathe shell 1, wherein a supporting block 3 is fixedly connected to the inner wall of the lathe shell 1, a three-jaw chuck 9 is movably connected to the outer wall of one side of the supporting block 3, a fixed seat 8 is connected to the upper portion of the supporting block 3 through a bolt, a supporting frame 5 is fixedly connected to the upper portion of the fixed seat 8, a driving shaft 7 is movably connected to the outer wall of one side of the supporting frame 5, a protective cover 6 is connected to the outer wall of the driving shaft 7 in a penetrating mode, a slide 13 is installed on the inner wall of the supporting block 3 in a penetrating mode, and a limiting switch 14 is fixedly connected to one side of the slide 13.

This embodiment, lathe housing 1's front end outer wall swing joint has operating panel 2, one side of operating panel 2 is provided with main shaft gear shift handle 4, one side swing joint of main shaft gear shift handle 4 has supporting shoe 3, and the during operation adopts operating panel 2 and main shaft gear shift handle 4 to cooperate to can carry out the speed regulation to the operation of lathe fast, adjust more accurately according to the scale on the main shaft gear shift handle 4, it is more convenient to operate.

In the embodiment, the protective cover 6 is a rotary structure formed by the driving shaft 7, the supporting frame 5 and the driving motor 16, the motor is 68KTYZ in model, the protective cover 6 can rotate through the driving shaft 7, when the abnormal conditions such as workpiece jumping, shaking, abnormal sound and clamp loosening occur in the operation and the parking is needed, the protective cover 6 is pulled open, the machine tool cannot be started for safety, emergency is responded, and the protective cover 6 is added with the safety in operation.

This embodiment, slide 13's outer wall block is connected with removes knife rest 10, and for running through the installation between slide 13 and the supporting shoe 3, one side that one side of supporting shoe 3 is close to slide 13 runs through and installs lead screw 12, adopt slide 13 and remove and cooperate between knife rest 10 and the lead screw 12, before not adorning the work piece, idle running primary program, see the procedure can go on smoothly, whether the cutter and anchor clamps installation is reasonable, there is not overrun phenomenon, the machine has adopted four lathe tools commonly used of four rotatory knife rest installations simultaneously, it can the tool changing to open the hasp and turn gently.

This embodiment, lathe housing 1's rear welded connection has baffle 11, baffle 11's inner wall fixedly connected with supporting shoe 3, baffle 11 can have reached the effect that better prevents indiscriminate spattering of iron fillings, prevents the interference of other lathe when the operation, and lathe transform rotational speed should stop the lathe and rotate the rear and can change, and the lathe tool will slowly be close the work piece in order to avoid the bits foam to collapse the injury people or damage the work piece, and iron fillings are clear away to the later stage, uses brush or special hook.

This embodiment, one side fixedly connected with rubber pad 15 that the outer wall of supporting shoe 3 is close to three-jaw chuck 9, and the below fixedly connected with driving motor 16 of supporting shoe 3 must confirm that three-jaw chuck 9 presss from both sides tight back to the work piece and just can start the lathe, measures, touches the work piece when prohibiting the work piece rotation strictly, and three-jaw chuck 9 commonality is good, and what part can all press from both sides, is applicable to the unit use that big work piece, product process time are longer and frequent change the product.

In the embodiment, the protective cover 6 is symmetrical to the central axis of the three-jaw chuck 9, the protective cover 6 is bent, the chuck is firmly fixed, the wrench cannot be left on the chuck or the chuck when the machine is started, the high-precision four-jaw chuck can be installed, and the workpiece can be firmly clamped regardless of whether the workpiece is round or square.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working process of the utility model is as follows:

firstly, when the device is used at the later stage, the three-jaw chuck 9 is arranged at one side of the supporting block 3, parts to be processed are fixed at one sides of the three-jaw chuck 9 and the movable tool rest 10, the operation is carried out through the operation panel 2 on the outer wall of the lathe shell 1, the baffle 11 at one side of the lathe shell 1 can prevent chips from being splashed to other areas in a mess manner, the speed for processing the parts is regulated and controlled by the spindle speed changing handle 4, the driving motor 16 drives the screw rod 12 to rotate to push the movable tool rest 10 to move on the slideway 13, when the movable tool rest 10 transversely moves to the limit switch 14, when the movable tool rest 10 transversely moves to the vicinity of the three-jaw chuck 9, the three-jaw chuck 9 can also stop rotating along with the transverse limit switch 14, the driving shaft 7 at one side of the supporting frame 5 on the fixed seat 8 rotates to drive the protective cover 6 to be integrally opened and closed, when the lathe is opened, the lathe can be started only when the lathe is closed, the three-jaw chuck 9 on the supporting block 3 can rotate, the limit protective measures are matched with the rubber pad 15, and the safety of the operation is improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 safety limit protection device, includes lathe casing (1), its characterized in that: the inner wall fixedly connected with supporting shoe (3) of lathe housing (1), one side outer wall swing joint of supporting shoe (3) has three-jaw chuck (9), there are fixing base (8) top of supporting shoe (3) through bolted connection, top fixedly connected with support frame (5) of fixing base (8), one side outer wall swing joint of support frame (5) has drive shaft (7), the outer wall through connection of drive shaft (7) has protection casing (6), slide (13) are installed in the inner wall through connection of supporting shoe (3), one side fixedly connected with limit switch (14) of slide (13).

2. The safety stop protection device according to claim 1, wherein: the lathe is characterized in that an operation panel (2) is movably connected to the outer wall of the front end of the lathe shell (1), a main shaft speed changing handle (4) is arranged on one side of the operation panel (2), and a supporting block (3) is movably connected to one side of the main shaft speed changing handle (4).

3. The safety stop protection device according to claim 1, wherein: the protective cover (6) forms a rotating structure through the driving shaft (7), the supporting frame (5) and the driving motor (16), and the model of the motor is 68KTYZ.

4. The safety stop protection device according to claim 1, wherein: the outer wall block of slide (13) is connected with removal knife rest (10), and for running through the installation between slide (13) and supporting shoe (3), screw rod (12) are run through to the one side that one side of supporting shoe (3) is close to slide (13) and installs.

5. A safety line limiter protection device as in claim 2 wherein: the rear side welded connection of lathe casing (1) has baffle (11), the inner wall fixedly connected with supporting shoe (3) of baffle (11).

6. The safety stop protection device according to claim 5, wherein: one side of the outer wall of the supporting block (3) close to the three-jaw chuck (9) is fixedly connected with a rubber pad (15), and a driving motor (16) is fixedly connected below the supporting block (3).

7. A safety bump guard as claimed in claim 3, in which: the protective cover (6) is symmetrical to the central axis of the three-jaw chuck (9), and the outer structure of the protective cover (6) is bent.