CN211758520U

CN211758520U - Locking mechanism of automatic lathe

Info

Publication number: CN211758520U
Application number: CN202020302374.XU
Authority: CN
Inventors: 王�琦
Original assignee: Dongguan Solya Hardware Products Co ltd
Current assignee: Dongguan Solya Hardware Products Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-10-27
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a locking mechanism of an automatic lathe, which comprises a turnover protective door arranged on the lathe, a reversing pulley, a spring winder arranged on the turnover protective door, a movable handle and a locking rod, wherein the spring winder is connected with the turnover protective door through a stay cord, one end of the stay cord is arranged on the spring winder, the other end of the stay cord bypasses the reversing pulley and is arranged at the opening side of the turnover protective door, one end of the locking rod is provided with a locking fluted disc, one side of the spring winder is provided with a driven fluted disc meshed with the locking fluted disc, the locking rod slides axially and is circumferentially and fixedly arranged on the turnover protective door, the movable handle is connected with the locking fluted disc through an axial transmission component, the locking rod and the locking fluted disc are driven to reciprocate through the movable handle and the axial transmission component, and the locking and the activity of the spring winder are realized through the, thereby realizing the locking of the opening position of the turnover protection door.

Description

Locking mechanism of automatic lathe

Technical Field

The embodiment of the utility model provides an automatic lathe technical field, concretely relates to automatic lathe's locking mechanism.

Background

The automatic lathe is mainly used for turning metal parts, and an anti-skidding cover is installed at the position of a tool bit on the lathe to prevent scraps from splashing outwards when the parts are machined, and meanwhile, the tool bit and nearby personnel are protected to eliminate potential safety hazards.

Generally, a protective cover of an automatic lathe is a cover body slidably mounted on the lathe, but the protective cover is not suitable for lathes with small size, such as a micro numerically controlled lathe, which can be placed on a worktable for turning small parts due to its small size, has high machining efficiency, and is widely used for machining various small parts.

When the turnover type protective door is opened, only one side of the turnover type protective door is movably supported on the lathe, a person is required to hold the turnover type anti-sliding door, the turnover type protective door is prevented from being closed when in operation, and the turnover type protective door is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an automatic locking mechanism of lathe to among the solution prior art, because the inconvenient problem that the open position of convertible guard gate can't keep fixed and lead to.

In order to achieve the above object, the embodiment of the present invention discloses the following technical solutions:

the utility model provides an automatic locking mechanism of lathe, is including installing upset guard gate, switching-over pulley on the lathe, installing spring winder, activity handle and the locking lever on the upset guard gate, the spring winder with the upset guard gate passes through the stay cord to be connected, the one end of stay cord is pressed and is installed on the spring winder, and the other end is walked around the switching-over pulley is installed the opening side of upset guard gate, the locking fluted disc is installed to locking lever one end, spring winder one side install with locking fluted disc engaged with driven fluted disc, locking lever axial slip and circumference fixed mounting are in on the upset guard gate, the activity handle with connect through axial transmission subassembly between the locking fluted disc.

Further, the axial transmission assembly comprises a handle rotating shaft and a driving sleeve which is coaxially installed on the handle rotating shaft and provided with an internal thread, the locking rod is connected in the driving sleeve in an inserting mode relative to one end of the locking fluted disc, and an external thread meshed with the driving sleeve is arranged on the outer wall of the locking rod.

Furthermore, an axle seat matched with the handle rotating shaft is installed on the turnover protective door, the movable handle is installed on the axle seat through the handle rotating shaft, and the handle rotating shaft is connected with the axle seat through a handle reset torsion spring.

Further, install first dust cover on the upset protective door outer wall, stay cord, spring winder, locking fluted disc and driven fluted disc are all installed in the first dust cover.

Furthermore, a plurality of guide pulleys matched with the pull rope are installed on the inner wall of the first dust cover.

Furthermore, install both ends open-ended second dust cover on the upset guard gate, locking pole, drive sleeve, locking fluted disc and driven fluted disc are all installed in the second dust cover.

Furthermore, a guide sleeve is arranged on the inner wall of the second dust cover and sleeved on the locking rod.

Furthermore, a key groove is formed in the inner wall of the guide sleeve, and a long key in sliding fit with the key groove is installed on the side wall of the locking rod.

The utility model discloses an embodiment has following advantage:

detain movable handle, movable handle passes through axial drive assembly and drives the locking pole to one side horizontal motion of movable handle, the locking fluted disc that makes locking pole one end breaks away from with the driven fluted disc on the spring winder, then the opening side of guard gate that will overturn upwards lifts up, and simultaneously, the torsional spring of spring winder drives the bobbin and rotates, with the stay cord on the bobbin of spring winder, after suitable aperture is opened to the guard gate that overturns, loosen movable handle, the reengagement of locking fluted disc and driven fluted disc, thereby will lock the spring winder bobbin of being connected with the driven fluted disc and die the guard gate that will overturn and lock, the same thing, when needs close the upset guard gate, detain movable handle, under the effect of the effect resistance of spring winder, the upset guard gate can be more steady fall down, its simple structure is reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

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

In the figure:

1-turning over the protective door; 2-a spring reel; 3-a movable handle; 4-a locking lever; 5-pulling a rope; 6-locking fluted disc; 7-a driven fluted disc; 8-handle spindle; 9-a drive sleeve; 10-shaft seat; 11-handle return torsion spring; 12-a first dust cover; 13-a guide pulley; 14-a second dust cover; 15-a guide sleeve; 16-diverting pulley.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

As shown in figure 1, the utility model discloses a locking mechanism of an automatic lathe, which comprises a turning protective door 1 arranged on the lathe, a reversing pulley 16, a spring winder 2 arranged on the turning protective door 1, a movable handle 3 and a locking rod 4, wherein the spring winder 2 is connected with the turning protective door 1 through a pull rope 5, one end of the pull rope 5 is arranged on the spring winder 2, and the other end is walked around reverse pulley 16 and is installed at the opening side of upset guard gate 1, and movable handle 3 rotates through the pivot and installs on 1 opening side outer wall of upset guard gate, and locking fluted disc 6 is installed to 4 one ends of locking pole, and spring winder 2 one side is installed and is engaged with locking fluted disc 6 driven fluted disc 7 mutually, and 4 endwise slip of locking pole and circumference fixed mounting are connected through axial drive assembly on upset guard gate 1 between movable handle 3 and the locking fluted disc 6.

One side of the turnover protective door 1 is arranged on a lathe through a door hinge, when the turnover protective door 1 is opened, a movable handle 3 is firstly buckled, the movable handle 3 drives a locking rod 4 to horizontally move towards one side of the movable handle 3 through an axial transmission component, so that a locking fluted disc 6 at one end of the locking rod 4 is separated from a driven fluted disc 7 on a spring winder 2, then the opening side of the turnover protective door 1 is lifted upwards, meanwhile, a torsion spring of the spring winder 2 drives a winding drum to rotate, a pull rope 5 is wound on the winding drum of the spring winder 2, after the turnover protective door 1 is opened to a proper opening degree, the movable handle 3 is loosened, the axial transmission component drives the locking rod 4 and the locking fluted disc 6 to reset, the locking fluted disc 6 is re-meshed with the driven fluted disc 7, so that the winding drum of the spring winder 2 connected with the driven fluted disc 7 is locked, and the length of the pull rope, thereby locking the roll-over protection door 1. In a similar way, when the upset guard gate 1 is closed to needs, detain movable handle 3, under the effect of the action resistance of spring spooler, upset guard gate 1 can be more steady fall down, and after upset guard gate 1 closed, unclamp movable handle 3, will overturn guard gate 1 lock again and die.

Axial drive assembly includes handle pivot 8 to and coaxial arrangement is equipped with internal screw thread drive sleeve 9 in handle pivot 8, and locking pole 4 pegs graft in drive sleeve 9 for the one end of locking fluted

disc

6, and 4 outer walls of locking pole are equipped with the external screw thread that meshes mutually with drive sleeve 9.

The movable handle 3 is installed on the turnover protective door 1 through the handle rotating shaft 8, and when the movable handle 3 is buckled, the movable handle 3 drives the rotating shaft and the driving sleeve 9 to rotate, so that the locking rod 4 meshed with the driving sleeve 9 horizontally moves towards one side of the driving sleeve 9, and the locking fluted disc 6 and the driven fluted disc 7 are separated.

Install on the upset guard gate 1 with handle pivot 8 matched with axle bed 10, activity handle 3 is installed on axle bed 10 through handle pivot 8, handle pivot 8 passes through handle reset torsion spring 11 with axle bed 10 and is connected, reset torsion spring cover is established on handle pivot 8, reset torsion spring's both ends are connected with reset torsion spring and axle bed 10 respectively, loosen the activity handle 3 back, activity handle 3 resets under the effect of reset torsion spring restoring force, thereby make locking fluted disc 6 and driven fluted disc 7 automatic meshing, avoid upset guard gate 1 when opening and locking activity handle 3 take place to rotate and take place danger.

Install first dust cover 12 on the 1 outer wall of upset guard gate, stay cord 5, spring winder 2, locking fluted disc 6 and driven fluted disc 7 are all installed in first dust cover 12, are favorable to keeping the cleanness of each spare part, prolong its life to, install in the first dust cover 12 with stay cord 5 matched with a plurality of guide pulley 13, guide pulley 13 installs on the inner wall of first dust cover 12 top and bottom, reduces the wearing and tearing of stay cord 5.

Similarly, the second dust cover 14 with two open ends is installed on the turnover protective door 1, and the locking rod 4 and the driving sleeve 9 are both installed in the second dust cover 14, so as to keep the parts clean, prolong the service life of the parts, and facilitate the overall beauty.

Install the uide bushing 15 that the cover was established on locking pole 4 on the 14 inner walls of second dust cover, lead locking pole 4 through uide bushing 15, and, be equipped with the keyway on the 15 inner walls of uide bushing, install on the 4 lateral walls of locking pole with keyway sliding fit's long key, prevent that locking pole 4 from taking place to rotate and leading to locking fluted disc 6 to become invalid to the fixed effect of driven fluted disc 7 circumference, guaranteed the locking effect of locking pole 4 to 2 bobbins of spring winder, thereby ensured the fixed of upset guard gate 1 in the locking position.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The locking mechanism of the automatic lathe is characterized by comprising a turnover protective door (1) installed on the lathe, a reversing pulley (16), a spring winder (2) installed on the turnover protective door (1), a movable handle (3) and a locking rod (4), wherein the spring winder (2) is connected with the turnover protective door (1) through a pull rope (5), one end of the pull rope (5) is installed on the spring winder (2), the other end of the pull rope bypasses the reversing pulley (16) and is installed on the opening side of the turnover protective door (1), a locking fluted disc (6) is installed at one end of the locking rod (4), a driven fluted disc (7) meshed with the locking fluted disc (6) is installed on one side of the spring winder (2), the locking rod (4) slides axially and is circumferentially and fixedly installed on the turnover protective door (1), the movable handle (3) is connected with the locking fluted disc (6) through an axial transmission assembly.

2. The locking mechanism of an automatic lathe according to claim 1, characterized in that the axial transmission assembly comprises a handle rotating shaft (8) and a driving sleeve (9) which is coaxially mounted on the handle rotating shaft (8) and provided with internal threads, one end of the locking rod (4) opposite to the locking fluted disc (6) is inserted into the driving sleeve (9), and the outer wall of the locking rod (4) is provided with external threads meshed with the driving sleeve (9).

3. The locking mechanism of an automatic lathe according to claim 2, wherein the turning protection door (1) is provided with a shaft seat (10) matched with the handle rotating shaft (8), the movable handle (3) is arranged on the shaft seat (10) through the handle rotating shaft (8), and the handle rotating shaft (8) is connected with the shaft seat (10) through a handle reset torsion spring (11).

4. The locking mechanism of an automatic lathe according to claim 1, wherein a first dust cover (12) is installed on the outer wall of the turnover protection door (1), and the pull rope (5), the spring winder (2), the locking fluted disc (6) and the driven fluted disc (7) are all installed in the first dust cover (12).

5. The locking mechanism of an automatic lathe according to claim 4, wherein a plurality of guide pulleys (13) matched with the pull rope (5) are arranged on the inner wall of the first dust cover (12).

6. The locking mechanism of an automatic lathe according to claim 1, wherein a second dust cover (14) with two open ends is mounted on the turnover guard door (1), and the locking rod (4), the driving sleeve (9), the locking toothed disc (6) and the driven toothed disc (7) are mounted in the second dust cover (14).

7. The locking mechanism of an automatic lathe according to claim 6, wherein a guide sleeve (15) sleeved on the locking rod (4) is installed on the inner wall of the second dustproof cover (14).

8. The automatic lathe locking mechanism as claimed in claim 7, wherein a keyway is formed on the inner wall of the guide sleeve (15), and a long key which is in sliding fit with the keyway is installed on the side wall of the locking rod (4).