CN219123114U

CN219123114U - Key structure of machine tool

Info

Publication number: CN219123114U
Application number: CN202223199202.2U
Authority: CN
Inventors: 马静; 孙川
Original assignee: Wuxi Lihu Casting Industry Co ltd
Current assignee: Wuxi Lihu New Quality Energy Saving Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-02
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a key structure of a machine tool, which comprises a control panel arranged on a machine tool main body, wherein two keys are arranged on the front surface of the control panel, each key comprises a cylindrical mounting seat penetrating through a control panel shell, the inner side of the front end of each mounting seat is coaxially fixed with a guide sleeve, the inner side of each guide sleeve is coaxially and slidably connected with a trigger rod, two conductive contacts are arranged on the inner side wall of the tail end of each mounting seat, a conductive sheet fixed with the trigger rod is arranged between each conductive contact and each guide sleeve, a locking piece is further arranged on each mounting seat, a push rod is connected onto each locking piece, and each push rod penetrates through the shell of the control panel. According to the utility model, the key is locked by the locking piece, so that an operator needs to control the locking piece to unlock by one hand and can press the key by the other hand at the same time when operating the machine tool, so that the operator needs to operate the machine tool by both hands, and both hands of the operator leave the part when the machine tool is started, the risk of clamping the hands of the operator is reduced, and the safety of the machine tool is improved.

Description

Key structure of machine tool

Technical Field

The utility model belongs to the technical field of machine tools, and particularly relates to a key structure of a machine tool.

Background

The machine tool is a machine tool for turning a rotating workpiece with a turning tool. The lathe can also be used for corresponding machining by using a drill bit, a reamer, a tap, a die, a knurling tool and the like. Lathes are used primarily for machining shafts, discs, sleeves and other workpieces having surfaces of revolution, and are the most widely used type of machine tools in machinery manufacturing and repair facilities.

When the existing machine tool is used, an operator is required to manually take down a machined part and put the part to be machined, in the process of clamping the part by a hydraulic clamp of the machine tool, the operator usually holds the part by one hand in order to prevent the part from displacement or toppling over, the key is controlled by one hand to start the machine tool, and the hand holding the part is released after the hydraulic clamp clamps the part, so that the risk of clamping injury exists in the hand holding the part in the process, and therefore the machine tool is required to solve the problems.

Disclosure of Invention

The utility model aims to provide a key structure of a machine tool, which aims to solve the technical problem that hands are easy to be clamped and injured due to the fact that an operator holds parts by hand when the existing machine tool is used.

In order to achieve the above purpose, the key structure of the machine tool of the present utility model has the following specific technical scheme:

the utility model provides a button structure of lathe, includes the control panel of installing on the lathe main part, two buttons are openly installed to the control panel, the button is including running through the tubular mount pad that the control panel casing set up, the inboard coaxial guide pin bushing that is fixed with of mount pad front end, the inboard coaxial sliding connection of guide pin bushing has the trigger lever, be provided with two conductive contacts on the terminal inside wall of mount pad, conductive contact with be provided with between the guide pin bushing with the fixed conducting strip of trigger lever, still be provided with the locking piece on the mount pad, be connected with the push rod on the locking piece, the push rod runs through control panel's casing sets up, the locking piece lock time with the terminal face butt of push rod, the locking piece unlock time with the terminal face dislocation of push rod.

Preferably, in order to improve the convenience of mount pad installation, circumference is provided with annular flange on the front end periphery of mount pad, there is the nut through threaded connection on the periphery of mount pad.

Preferably, in order to improve the sealing performance of the key, an elastic sealing cover is further arranged at the front end of the mounting seat, and the edge of the opening of the sealing cover is circumferentially arranged between the flange and the shell of the control panel.

Preferably, in order to reduce the pressure of the trigger lever on the finger, the pressing comfort is improved, the front end of the trigger lever is located inside the sealing cover, and a disc-shaped extension part is arranged at the front end of the trigger lever.

Preferably, in order to realize the locking and unlocking function to the trigger lever, the locking piece includes the perpendicular to the slide bar that the trigger lever set up, the cover is equipped with the sliding sleeve on the slide bar, be provided with the stopper on the slide bar, the stopper with the terminal end butt of push rod, still the cover is equipped with the spring on the slide bar, the both ends of spring are connected respectively the stopper with the sliding sleeve, the push rod with the slide bar is coaxial to be set up, just the first end of slide bar with the first end of push rod is fixed.

Preferably, in order to ensure the sealing performance of the control panel, the second end of the push rod penetrates through the shell on the side surface of the control panel, a sealing sleeve is installed on the side surface of the control panel, the push rod penetrates through the sealing sleeve, and the outer peripheral surface of the push rod is abutted to the inner peripheral surface of the sealing sleeve to form sealing.

Preferably, in order to promote the stability that the stopper used to make the stopper can promote the triggering lever and reset, promote the convenience that the lathe used, the middle part of stopper is columnar structure, the both ends of stopper are the toper structure, the stopper with the slide bar is coaxial to be set up.

Preferably, in order to promote the convenience of sliding sleeve dismouting, also be convenient for simultaneously adjust the sliding sleeve position, be fixed with annular fixing base on the sliding sleeve, the fixing base cover is established on the mount pad periphery, the fixing base is located the nut with between control panel's the casing.

Preferably, in order to realize the linkage of the two trigger rods, the operation of the machine tool is more convenient, the two push rods are coaxially arranged, and the second ends of the two push rods are fixed through the connecting rods.

The key structure of the machine tool has the following advantages: through locking piece pinning button, when making operating personnel operate the lathe, need the unblock of one hand control locking piece, the button can be pressed to the other hand just simultaneously, makes operating personnel need both hands operation lathe, and when making the lathe start, operating personnel's both hands all leave the part, have reduced operating personnel's hand by the risk of damaging by the clamp, have promoted the security of lathe.

Drawings

FIG. 1 is a schematic view of the machine tool of the present utility model;

FIG. 2 is a cross-sectional view of a control panel of the present utility model;

FIG. 3 is a schematic diagram of a connection structure between a key and a locking member according to the present utility model;

FIG. 4 is a schematic diagram of a key structure according to the present utility model;

the figure indicates: 1. a main body; 2. a control panel; 3. a push rod; 4. a key; 5. a connecting rod; 6. a locking member; 7. sealing the sleeve; 41. a sealing cover; 42. a trigger lever; 43. an extension; 44. a nut; 45. a conductive contact; 46. a conductive sheet; 47. a mounting base; 48. guide sleeve; 49. a flange; 61. a sliding sleeve; 62. a limiting block; 63. a spring; 64. a slide bar; 65. a fixing seat.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, a key structure of a machine tool according to the present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, 2 and 4, a key structure of a machine tool comprises a control panel 2 arranged on a machine tool main body 1, two keys 4 are arranged on the front surface of the control panel 2, the two keys are respectively used for starting and stopping the machine tool, each key 4 comprises a cylindrical mounting seat 47 vertically penetrating through a shell of the control panel 2, a flange 49 is arranged on the periphery of the front end of each mounting seat 47, nuts 44 are connected on the periphery of the front end of each mounting seat through threads, the nuts 44 and the flanges 49 are respectively abutted against the inner side and the outer side of the shell of the control panel 2, the mounting seats 47 are fixedly arranged, a guide sleeve 48 is coaxially fixed on the inner side of the front end of each mounting seat 47, the length of each guide sleeve 48 is smaller than that of each mounting seat 47, the front end of each guide sleeve 48 is fixedly connected with the front end of each mounting seat 47, a trigger rod 42 is coaxially and slidably connected on the inner side of each guide sleeve 48, the front end of the trigger rod 42 is provided with a disc-shaped extension part 43, the pressure generated by the trigger rod 42 to fingers is reduced, two conductive contacts 45 are arranged on the inner side wall at the tail end of the mounting seat 47, a circular conductive sheet 46 is arranged on the trigger rod 42, the conductive sheet 46 is positioned between the guide sleeve 48 and the conductive contacts 45, the tail end of the mounting seat 47 is provided with a slide rod 64, the axis of the slide rod 64 is perpendicular to and intersected with the axis of the mounting seat 47, a sliding sleeve 61 is sleeved on the slide rod 64, a limiting block 62 is arranged on the slide rod 64, the limiting block 62 is abutted with the tail end face of the push rod 3, a spring 63 is sleeved on the slide rod 64, two ends of the spring 63 are respectively connected with the limiting block 62 and the sliding sleeve 61, the push rod 3 and the slide rod 64 are coaxially arranged, a first end of the slide rod 64 is fixed with a first end of the push rod 3, and a second end of the push rod 3 penetrates through a shell on the side face of the control panel 2.

During the use, the installation and separation between nut 44 and mount pad 47 can realize the dismouting of mount pad 47 on control panel 2, when needs start or stop the lathe through button 4, need press push rod 3 with one hand at first, promote slide bar 64 through push rod 3, make stopper 62 remove from the terminal surface department of trigger bar 42, realize the unblock of trigger bar 42, afterwards, the other hand presses trigger bar 42, make conducting strip 46 and two conductive contact 45 all contact, realize switching on of two conductive contact 45, but connect the wire on the conductive contact 45, the control module of wire connection to the lathe, when two conductive contact 45 switch on, can send the signal to control module, make control module control lathe operation or stop, in the operation lathe in-process of operating the operating personnel need press push rod 3 all the time, the other hand operation trigger bar 42, make the lathe start or stop in-process, operating personnel all leave the lathe, prevent that the hand from being pressed from damaging, promote the security of lathe, during the button resets, the operating personnel both hands loosen, afterwards hand is to outside with trigger bar 42 pull out and realize manual reset, afterwards spring 63 promotes slide bar 64 reset, make stopper 62 reset to trigger bar 42 and realize the both hands of butt against trigger bar 42.

When the key 4 is reset, the trigger rod 42 needs to be pulled manually to reset, and the operation is inconvenient, so as shown in fig. 3, the middle part of the limiting block 62 is in a columnar structure, both ends of the limiting block 62 are in a conical structure, the limiting block 62 and the sliding rod 64 are coaxially arranged, the sliding sleeves 61 are symmetrically arranged about the trigger rod 42, and a spring 63 is arranged between the two sliding sleeves 61 and the limiting block 62;

during the use, two sliding sleeve 61 slide bar 64 can promote the firmness of slide bar 64, and the middle part of stopper 62 is columnar structure, makes slide bar 64 take place even rotate, and stopper 62 also can support the contact all the time and send out the pole 42 tip, realizes the locking to trigger lever 42, promotes equipment's reliability, and the stopper 62 tip of toper structure makes stopper 62 reset in-process simultaneously, and stopper 62 can promote trigger lever 42 to control panel 2 outside removal, realizes the automatic re-setting of trigger lever 42, promotes the convenience that button 4 used.

When the key is used, the sealing performance is also particularly important so as to ensure the sealing effect of the control panel 2, the front end of the mounting seat 47 is also provided with an elastic sealing cover 41, the edge of the opening of the sealing cover 41 is circumferentially arranged between the flange 49 and the shell of the control panel 2, the front end of the triggering rod 42 is positioned at the inner side of the sealing cover 41, the side surface of the control panel 2 is provided with a sealing sleeve 7, the push rod 3 penetrates through the sealing sleeve 7, and the outer peripheral surface of the push rod 3 is in butt joint with the inner peripheral surface of the sealing sleeve 7 to form sealing.

When the sealing sleeve 7 is used, the guiding and supporting effect on the push rod 3 can be realized, the sealing between the push rod 3 and the shell of the control panel 2 is realized, meanwhile, the sealing cover 41 covers the front end part of the mounting seat 47, the sealing cover 41 can be a rubber sealing cover 41, the edge of the opening of the sealing cover 41 is circumferentially arranged between the flange 49 and the shell of the control panel 2, the sealing effect between the flange and the shell of the control panel 2 can be improved, the sealing cover 41 covers the front end of the mounting seat 47, the sealing effect is further guaranteed, and the sealing performance of the key 4 is further guaranteed.

The push rods 3 corresponding to the two keys 4 are respectively connected to the side walls of the two sides of the control panel 2, the corresponding push rods 3 need to be respectively operated when the two keys 4 are operated, and the operation is inconvenient, so that an annular fixing seat 65 is fixed on the sliding sleeve 61, the fixing seat 65 is sleeved on the periphery of the mounting seat 47, the fixing seat 65 is positioned between the nut 44 and the shell of the control panel 2, the two push rods 3 are coaxially arranged, and the second ends of the two push rods 3 are fixed through the connecting rod 5.

The linkage of the two push rods 3 is realized through the connecting rod 5, so that an operator can randomly operate one push rod 3 according to the position of the operator, and the simultaneous unlocking of the two keys 4 can be realized, so that the convenience of operation is greatly improved.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a button structure of lathe, includes control panel (2) of installing on lathe main part (1), two button (4), its characterized in that are installed in control panel (2) front:

the button (4) is including running through tubular mount pad (47) that control panel (2) casing set up, the inboard coaxial guide pin bushing (48) that is fixed with of mount pad (47) front end, the inboard coaxial sliding connection of guide pin bushing (48) has trigger lever (42), be provided with two conductive contacts (45) on the terminal inside wall of mount pad (47), conductive contacts (45) with be provided with between guide pin bushing (48) with conducting strip (46) that trigger lever (42) is fixed, still be provided with locking piece (6) on mount pad (47), be connected with push rod (3) on locking piece (6), push rod (3) run through the casing setting of control panel (2), locking piece (6) lock time with push rod (3) terminal end butt, locking piece (6) when unblock with push rod (3) terminal end dislocation.

2. The key structure of a machine tool according to claim 1, wherein an annular flange (49) is circumferentially provided on the outer periphery of the front end of the mount (47), and a nut (44) is screwed on the outer periphery of the mount (47).

3. The key structure of a machine tool according to claim 2, characterized in that the front end of the mounting seat (47) is further provided with an elastic sealing cover (41), and the edge of the opening of the sealing cover (41) is circumferentially arranged between the flange (49) and the housing of the control panel (2).

4. A key structure of a machine tool according to claim 3, characterized in that the front end of the trigger lever (42) is located inside the sealing cap (41), the front end of the trigger lever (42) being provided with a disc-shaped extension (43).

5. The key structure of a machine tool according to claim 2, wherein the locking piece (6) comprises a sliding rod (64) perpendicular to the trigger rod (42), a sliding sleeve (61) is sleeved on the sliding rod (64), a limiting block (62) is arranged on the sliding rod (64), the limiting block (62) is abutted to the end face of the tail end of the push rod (3), a spring (63) is further sleeved on the sliding rod (64), two ends of the spring (63) are respectively connected with the limiting block (62) and the sliding sleeve (61), the push rod (3) and the sliding rod (64) are coaxially arranged, and a first end of the sliding rod (64) is fixed with a first end of the push rod (3).

6. The key structure of a machine tool according to claim 5, wherein the second end of the push rod (3) penetrates through a shell on the side face of the control panel (2), a sealing sleeve (7) is installed on the side face of the control panel (2), the push rod (3) penetrates through the sealing sleeve (7), and the outer peripheral surface of the push rod (3) is abutted against the inner peripheral surface of the sealing sleeve (7) to form a seal.

7. The key structure of a machine tool according to claim 5, wherein the middle part of the limiting block (62) is of a columnar structure, both ends of the limiting block (62) are of a conical structure, and the limiting block (62) and the sliding rod (64) are coaxially arranged.

8. The key structure of a machine tool according to claim 5, wherein an annular fixing seat (65) is fixed on the sliding sleeve (61), the fixing seat (65) is sleeved on the periphery of the mounting seat (47), and the fixing seat (65) is located between the nut (44) and the shell of the control panel (2).

9. The key structure of a machine tool according to claim 5, characterized in that two of said push rods (3) are coaxially arranged, the second ends of both push rods (3) being fixed by means of a connecting rod (5).