CN220881571U - Automatic lifting front guard rail device of numerical control vertical type groove planer - Google Patents

Abstract

The utility model belongs to the technical field of grooving machines and provides an automatic lifting front guard rail device of a numerical control vertical grooving machine, which comprises an automatic lifting front guard rail component, wherein the automatic lifting front guard rail component comprises a lifting front guard rail component, a limiting guide component, an induction positioning component and an adjusting type buffer component, the left side of the lower end of the lifting front guard rail component is fixedly connected with the limiting guide component, the lower end of the limiting guide component is fixedly connected with the induction positioning component, the lower end of the limiting guide component is fixedly connected with the adjusting type buffer component, the lower end of the lifting front guard rail component moves downwards to shield the front end of the grooving machine, the limiting guide component limits and guides the lifting front guard rail component, the induction positioning component senses the lower end position of the lifting front guard rail component and closes the lifting front guard rail component when the lower end of the lifting front guard rail component moves to a required position, and the adjusting type buffer component buffers the limiting guide component and the lifting front guard rail component.

Description

Automatic lifting front guard rail device of numerical control vertical type groove planer

Technical Field

The utility model belongs to the technical field of grooving machines, and particularly relates to an automatic lifting front guard rail device of a numerical control vertical grooving machine.

Background

The numerical control grooving machine is suitable for grooving of various plates, mainly adopts a diamond coating cutter, and rapidly cuts a workpiece into uniform notches through the cutter, so that the numerical control grooving machine is suitable for use requirements.

Chinese patent CN213732170U proposes a numerical control plate grooving machine, through setting up processing box and installing the cutter inside the box, at box front end installation shield door, prevent through box and shield door that the piece that produces from flying out when fluting from causing the injury to the staff, when needing to overhaul or change the cutter, open the shield door and can overhaul the cutter.

However, when the grooving operation is carried out in the above patent, the shielding door still needs to be manually opened and closed, is too complicated, and still needs to be manually supported by hands when the shielding door is opened, so that the shielding door is prevented from being automatically closed, the maintenance work of a cutter is very influenced, and the shielding door of the patent is not provided with a fixing device, and the situation that the shielding door shakes to make noise and damage the shielding door possibly occurs when the grooving machine works.

Based on the above, the utility model designs an automatic lifting front guard rail device of a numerical control vertical type router to solve the above problems.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides an automatic lifting front guard rail device of a numerical control vertical type grooving machine.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

An automatic lifting front guard rail device of a numerical control vertical type groove planer comprises an automatic lifting front guard rail assembly;

The automatic lifting front guard rail assembly comprises a lifting front guard rail assembly, a limiting guide assembly, an induction positioning assembly and an adjusting type buffer assembly, wherein the left side fixedly connected with the lower end of the lifting front guard rail assembly is used for limiting and guiding the lower end of the lifting front guard rail assembly, the lower end of the limiting guide assembly is fixedly connected with the induction positioning assembly which is used for sensing the lower end position of the lifting front guard rail assembly and controlling the switch of the lifting front guard rail assembly, and the lower end of the limiting guide assembly is fixedly connected with the adjusting type buffer assembly which is used for buffering the lifting front guard rail assembly.

Still further, over-and-under type place ahead guardrail subassembly includes cylinder upper bracket, cylinder joint, preceding rail guard, transparent organic glass and cylinder lower carriage, all fixedly connected with cylinder joint on the preceding lateral wall of both ends downside about the front rail guard, and the front end that the cylinder connects all rotates through the pivot to be connected with the cylinder lower carriage, and the top that the cylinder connects all is fixed with the cylinder, the equal fixedly connected with cylinder upper bracket in top of cylinder, the inner fixedly connected with transparent organic glass of preceding rail guard.

Still further, spacing direction subassembly includes guide rail seat, guide rail, slider and slider seat, and the equal fixedly connected with slider seat of one end that the cylinder lower carriage kept away from each other, equal fixedly connected with slider on the lateral wall that the slider seat kept away from each other, the equal sliding connection of one end that the slider kept away from each other has the guide rail, and the equal fixedly connected with guide rail seat of one end that the slider was kept away from to the guide rail.

Still further, the response locating component includes proximity switch support, bottom dead center position induction device and response support, and the upper end fixedly connected with response support of slider seat is connected with proximity switch support on the preceding lateral wall of guide rail seat in response support the place ahead, fixedly connected with bottom dead center position induction device on the proximity switch support in response support the place ahead, and bottom dead center position induction device passes proximity switch support, and bottom dead center position induction device is connected with digit control machine tool control end electricity.

Still further, regulation formula buffering subassembly includes C shape support frame, the threaded rod, buffering slider, spring and adjusting bolt, equal fixedly connected with C shape support frame on the lateral wall that guide rail seat lower extreme is close to the slider seat, equal fixedly connected with threaded rod between the upper and lower diaphragm front and back both ends of C shape support frame, the middle part sliding connection of threaded rod has buffering slider, be connected with the spring between buffering slider and the C shape support frame bottom plate, the spring parcel threaded rod, equal threaded connection has adjusting bolt on the threaded rod of buffering slider top, adjusting bolt's bottom is connected with buffering slider's top contact, the spring belongs to compression deformation state all the time.

Further, when the sensing bracket moves to the rear of the bottom dead center position sensing device and is sensed, the bottom of the sliding block seat contacts the buffering sliding block.

Furthermore, the joint of the induction bracket and the sliding block seat is connected by adopting a strip hole and a bolt.

Furthermore, a chute can be arranged at the joint of the bottom dead center position sensing device and the proximity switch bracket, and the bottom dead center position sensing device is slidably connected in the chute.

Furthermore, the end that the cylinder upper bracket kept away from each other is all fixedly connected with knife rest crossbeam side guard plate, and the lateral wall that the guide rail seat kept away from the guide rail is all fixedly connected with on the lateral wall that knife rest crossbeam side guard plate is close to each other.

Further, the upper ends of the two groups of knife rest beam side protection plates are fixedly connected with the left end and the right end of the knife rest beam panel, and the bottom of the knife rest beam side protection plates is fixedly connected with a knife rest device.

Advantageous effects

When the grooving machine is to work, the lifting front guardrail component is started, the lower end of the lifting front guardrail component moves downwards to shield the front end of the grooving machine blade, so that scraps generated during the work of the grooving machine can not fly out and separate a worker from the blade, the safety of the worker is guaranteed, the lifting front guardrail component is limited and guided through the limiting guide component when the lower end of the lifting front guardrail component moves downwards, the lifting front guardrail component can only vertically move downwards and cannot deviate and shake, the shielding is perfect, the lower end of the lifting front guardrail component is not easy to break, the lower end of the lifting front guardrail component is sensed through the sensing positioning component when the lower end of the lifting front guardrail component moves downwards, the lifting front guardrail component is closed when the lower end of the lifting front guardrail component moves to a required position, the positioning of the lifting front guardrail component is realized, manual operation is not needed, the positioning is accurate, the limiting guide component is driven to contact the adjusting buffer component through the limiting guide component, and the lifting front guardrail component is prevented from moving vertically downwards, and the front guardrail is prevented from being damaged by the adjusting component when the lower end of the lifting front guardrail component moves downwards, and the front guardrail component is prevented from being damaged by the adjusting the front end of the lifting front guardrail component.

When the grooving machine is to work, the air cylinder is started, the air cylinder drives the front guard rail and the transparent organic glass to move downwards under the support of the air cylinder upper support and the air cylinder lower support through the air cylinder connector, so that the front guard rail and the transparent organic glass shield the front end opening of the grooving machine, fragments generated during the machining of the grooving machine can not fly out, workers can be prevented from approaching to the grooving machine blade, the safety of the workers is ensured, the air cylinder lower support moves downwards under the guide support of the guide rail seat and the guide rail through the slide block seat when moving downwards, the air cylinder connector only moves downwards vertically, the front guard rail and the transparent organic glass only move downwards vertically, the front guard rail and the transparent organic glass shield the front end of the grooving machine more accurately, the front guard rail is prevented from being deviated, and the transparent organic glass is prevented from being broken, when the slide block seat moves downwards, the induction bracket is driven to move downwards, when the induction bracket moves downwards to the rear of the bottom dead center position induction device, the bottom dead center position induction device induces the induction bracket under the support of the proximity switch bracket, at the moment, the bottom dead center position induction device transmits information to the control end of the numerical control machine, the control end of the numerical control machine controls the cylinder to enable the cylinder to be closed, thereby realizing the automatic closing when the cylinder drives the front guard rail to a specific position, avoiding the situation that the cylinder is excessively operated to damage the front guard rail and the transparent organic glass, and automatically positioning and closing without manual switch, being simple and convenient, when the slide block seat moves downwards to the bottom dead center position induction device to control the cylinder to be closed, the cylinder output end moves downwards for a distance when the cylinder is closed, at the moment, the slide block seat contacts with the buffer slide block and drives the buffer slide block to move downwards, the buffer slide block moves downwards under the limit support of the C-shaped support frame and the threaded rod and extrudes the spring, the spring is extruded to deform, so that the spring restoring force extrudes the buffer slide block upwards, the buffer slide block extrudes the slide block seat upwards, so that the slide block seat is buffered, the lower support of the air cylinder, the air cylinder connector and the front protective guard are buffered, the front protective guard and the transparent organic glass are prevented from being damaged due to sudden stop of the air cylinder, when the stop position of the slide block seat needs to be changed, the adjusting bolt is rotated, the adjusting bolt drives the buffer slide block to move up and down under the limit of the threaded rod, the adjustment of the stop position of the buffer slide block is realized, the front protective guard and the stop position of the transparent organic glass can be finely adjusted, and the front protective guard and the transparent organic glass can be blocked at the front end of the grooving machine more perfectly, the automatic lifting front guard rail component and the knife rest beam panel are supported by the knife rest beam side guard plate, the front upper end of the automatic lifting front guard rail component is shielded by the knife rest beam panel, the front end of the knife rest beam side guard plate below the knife rest beam panel is blocked by the automatic lifting front guard rail component, so that the knife rest beam panel is positioned in the wrapping of the knife rest beam side guard plate, the knife rest beam panel and the automatic lifting front guard rail component, chips can not fly out when the knife rest beam panel is processed, in addition, the position of the adjusting bolt in the strip hole is used for realizing the fine adjustment of the position of the induction bracket, further realizing the fine adjustment of the stop position of the sliding block seat, leading the front end of the grooving machine to be better sealed, the position of the bottom dead center position induction device in the sliding groove on the proximity switch bracket is adjusted, the fine adjustment of the induction positioning position of the bottom dead center position induction device is realized.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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 is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram illustrating installation of an automatic lifting front guard rail device of a numerical control vertical router according to an embodiment of the present utility model;

FIG. 2 is a perspective view of an automatic lifting front guard rail device of a numerical control vertical router according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a part of an automatic lifting front guard rail device of a numerical control vertical router according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

Fig. 5 is a schematic diagram of a buffer structure of an automatic lifting front guard rail device of a numerical control vertical router according to an embodiment of the present utility model.

In the accompanying drawings: 1. tool post beam side shield 2, tool post beam panel 3, auto-lift front rail assembly 31, lift front rail assembly 311, cylinder upper bracket 312, cylinder 313, cylinder joint 314, front rail 315, clear plexiglas 316, cylinder lower bracket 32, limit guide assembly 321, rail seat 322, rail 323, slider 324, slider seat 33, induction positioning assembly 331, proximity switch bracket 332, bottom dead center position induction device 333, induction bracket 34, adjustment bumper assembly 341, C-shaped support bracket 342, threaded rod 343, bumper slider 344, spring 345, adjustment bolt 4, tool post device.

Description of the embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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.

The utility model is further described below with reference to examples.

Examples

Referring to fig. 1-5 of the drawings, an automatic lifting front guard rail device of a numerical control vertical type router comprises an automatic lifting front guard rail assembly 3;

The automatic lifting front guard rail assembly 3 comprises a lifting front guard rail assembly 31, a limiting guide assembly 32, an induction positioning assembly 33 and an adjusting type buffer assembly 34, wherein the left side of the lower end of the lifting front guard rail assembly 31 is fixedly connected with the limiting guide assembly 32 for limiting and guiding the lower end of the lifting front guard rail assembly 31, the lower end of the limiting guide assembly 32 is fixedly connected with the induction positioning assembly 33 for inducing the lower end position of the lifting front guard rail assembly 31 and controlling the opening and closing of the lifting front guard rail assembly 31, and the lower end of the limiting guide assembly 32 is fixedly connected with the adjusting type buffer assembly 34 for buffering the lifting front guard rail assembly 31;

When the grooving machine is to work, the lifting front guardrail assembly 31 is started, the lower end of the lifting front guardrail assembly 31 moves downwards to shield the front end of the grooving machine blade, so that scraps generated during the grooving machine work do not fly out and the working personnel are isolated from the blade, the safety of the working personnel is guaranteed, the lifting front guardrail assembly 31 is limited and guided by the limiting guide assembly 32 during the lower end of the lifting front guardrail assembly 31 moves downwards, the lifting front guardrail assembly 31 can only vertically move downwards and cannot deviate and shake, the shielding is perfected, the lower end of the lifting front guardrail assembly 31 is not easy to break, the lower end of the lifting front guardrail assembly 31 is sensed by the sensing positioning assembly 33 during the lower end of the lifting front guardrail assembly 31 moves downwards, the lifting front guardrail assembly 31 is closed when the lower end of the lifting front guardrail assembly 31 moves to a required position, the lifting front guardrail assembly 31 is positioned and closed, manual operation is not needed, the positioning is accurate, the lifting front guardrail assembly 31 is driven to move vertically downwards, the lifting front guardrail assembly 31 is adjusted to be more perfected, and the front guardrail assembly 34 is adjusted to be more damaged by the fact that the lifting front guardrail assembly 31 is adjusted by the fact that the lifting front guardrail assembly 32 is in a certain degree, and the front guardrail assembly is adjusted to be more perfected, and the front guardrail assembly 31 is adjusted to be more stable.

The lifting front guardrail assembly 31 comprises an air cylinder upper bracket 311, an air cylinder 312, an air cylinder joint 313, a front protective fence 314, transparent organic glass 315 and an air cylinder lower bracket 316, wherein the air cylinder joint 313 is fixedly connected to the front side wall of the lower side of the left end and the right end of the front protective fence 314, the air cylinder lower bracket 316 is rotatably connected to the front end of the air cylinder joint 313 through a rotating shaft, the air cylinder 312 is fixedly arranged at the top of the air cylinder joint 313, the air cylinder upper bracket 311 is fixedly connected to the top of the air cylinder 312, and the transparent organic glass 315 is fixedly connected to the inner end of the front protective fence 314;

the limit guide assembly 32 comprises a guide rail seat 321, a guide rail 322, a sliding block 323 and a sliding block seat 324, wherein the sliding block seat 324 is fixedly connected to one end, far away from each other, of the lower cylinder bracket 316, the sliding block 323 is fixedly connected to the side wall, far away from each other, of the sliding block seat 324, the guide rail 322 is fixedly connected to one end, far away from each other, of the sliding block 323, and the guide rail seat 321 is fixedly connected to one end, far away from the sliding block 323, of the guide rail 322;

The inductive positioning assembly 33 comprises a proximity switch bracket 331, a bottom dead point position inductive device 332 and an inductive bracket 333, the upper end of the sliding block seat 324 is fixedly connected with the inductive bracket 333, the front side wall of the guide rail seat 321 in front of the inductive bracket 333 is fixedly connected with the proximity switch bracket 331, the bottom dead point position inductive device 332 is fixedly connected with the proximity switch bracket 331 in front of the inductive bracket 333, the bottom dead point position inductive device 332 penetrates through the proximity switch bracket 331, and the bottom dead point position inductive device 332 is electrically connected with the control end of the numerical control machine;

The adjustable buffer assembly 34 comprises a C-shaped supporting frame 341, a threaded rod 342, a buffer sliding block 343, a spring 344 and an adjusting bolt 345, wherein the lower end of a guide rail seat 321 is close to the side wall of the sliding block seat 324, the C-shaped supporting frame 341 is fixedly connected with the side wall of the lower end of the C-shaped supporting frame 341, the threaded rod 342 is fixedly connected between the front end and the rear end of an upper transverse plate and a lower transverse plate of the C-shaped supporting frame 341, the middle part of the threaded rod 342 is slidably connected with the buffer sliding block 343, the spring 344 is connected between the buffer sliding block 343 and a bottom plate of the C-shaped supporting frame 341, the spring 344 wraps the threaded rod 342, the threaded rod 342 above the buffer sliding block 343 is connected with the adjusting bolt 345 in a threaded manner, the bottom of the adjusting bolt 345 is in contact connection with the top of the buffer sliding block 343, and the spring 344 always belongs to a compression deformation state;

When the grooving machine is to work, the cylinder 312 is started, the cylinder 312 drives the front guard rail 314 and the transparent organic glass 315 to move downwards under the support of the cylinder upper support 311 and the cylinder lower support 316 through the cylinder joint 313, so that the front guard rail 314 and the transparent organic glass 315 shield the front end opening of the grooving machine, chips generated during the grooving machine are prevented from flying out and workers are prevented from approaching to the grooving machine blade, the safety of the workers is ensured, the cylinder lower support 316 moves downwards under the guide support of the guide rail seat 321 and the guide rail 322 through the slider seat 324, the cylinder joint 313 only moves downwards vertically, the front guard rail 314 and the transparent organic glass 315 only move downwards vertically, the front end of the grooving machine is shielded by the front guard rail 314 and the transparent organic glass 315 more accurately, the condition that the front guard rail 314 is deviated to cause the transparent organic glass 315 to be broken can not occur, the sliding block seat 324 drives the induction bracket 333 to move downwards when moving downwards, the induction bracket 333 is induced by the bottom dead center position induction device 332 under the support of the proximity switch bracket 331 when moving downwards to the rear of the bottom dead center position induction device 332, the bottom dead center position induction device 332 transmits information to the control end of the numerical control machine, the control end of the numerical control machine controls the air cylinder 312 to enable the air cylinder 312 to be closed, thereby realizing the automatic closing when the air cylinder 312 drives the front guard rail 314 to a specific position, avoiding the occurrence of the condition that the air cylinder 312 is excessively operated to damage the front guard rail 314 and the transparent organic glass 315, and automatically positioning and closing without manual switching, being simple and convenient, when the sliding block seat 324 moves downwards to the bottom dead center position induction device 332 to control the air cylinder 312 to be closed, because the cylinder 312 output can also move a section distance down when closing, this moment the slider seat 324 contacts the buffering slider 343 and drives buffering slider 343 down motion, buffering slider 343 is at the spacing support of C shape support frame 341 and threaded rod 342 down motion and extrusion spring 344, spring 344 is extrudeed and is taken place deformation, thereby make spring 344 restoring force upwards extrude buffering slider 343, buffering slider 343 upwards extrudees slider seat 324, thereby make slider seat 324 obtain buffering, thereby make cylinder lower carriage 316, cylinder joint 313 and preceding rail guard 314 obtain buffering, and then make preceding rail guard 314 and transparent organic glass 315 can not receive the damage because of the scram of cylinder 312, rotate adjusting bolt 345 when slider seat 324 stop position needs to change, adjusting bolt 345 drives buffering slider 343 up-and-down motion under the spacing of threaded rod 342, the regulation to buffering slider 343 stop position has been realized, thereby can finely tune preceding rail guard 314 and transparent organic glass stop position, and make preceding rail guard 314 and transparent organic glass to the shutoff of groover front end more perfect.

The upper ends of the two groups of tool rest beam side protection plates 1 are fixedly connected with the left and right ends of the tool rest beam panel 2, and the bottom of the tool rest beam side protection plate 1 is fixedly connected with a tool rest device 4;

The automatic lifting front protective guard assembly 3 and the automatic lifting front protective guard assembly 2 are supported through the knife rest beam side protective guard 1, the front upper end of the automatic lifting front protective guard assembly 3 is shielded through the knife rest beam panel 2, and the front end of the knife rest beam side protective guard 1 below the knife rest beam panel 2 is plugged through the automatic lifting front protective guard assembly 3, so that the knife rest beam panel 2 is positioned in the package of the knife rest beam side protective guard 1, the knife rest beam panel 2 and the automatic lifting front protective guard assembly 3, and chips can not fly out when the knife rest beam panel 2 is processed.

Examples

2-5, As a preferred embodiment of the present utility model, the bottom of the slider seat 324 contacts the buffer slider 343 when the sensing bracket 333 moves behind the bottom dead center position sensing device 332 and is sensed.

Examples

On the basis of embodiment 2, as shown in fig. 2-4, as a preferred embodiment of the present utility model, the connection between the sensing bracket 333 and the slider seat 324 is connected by using a long hole and a bolt, and a chute may be formed at the connection between the bottom dead center position sensing device 332 and the proximity switch bracket 331, and the bottom dead center position sensing device 332 is slidably connected in the chute.

Through adjusting the position of bolt in rectangular downthehole to realized the fine setting to inductive bracket 333 position, and then realized the fine setting to the stop position of slider seat 324, thereby make the groover front end sealed better, through adjusting bottom dead center position induction device 332 in the inside position of spout on proximity switch support 331, realized the fine setting to bottom dead center position induction device 332 induction positioning position.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a rail guard device before automatic rising of vertical keyway planer of numerical control, includes rail guard subassembly (3), its characterized in that before automatic rising:

Automatic preceding rail guard subassembly (3) of going up and down include preceding guardrail subassembly (31) of over-and-down, spacing direction subassembly (32), response locating component (33) and regulation formula buffer subassembly (34), the lower extreme left side fixedly connected with of preceding guardrail subassembly (31) of over-and-down is used for carrying out spacing direction's spacing direction subassembly (32) to preceding guardrail subassembly (31) lower extreme of over-and-down, the lower extreme fixedly connected with of spacing direction subassembly (32) is used for responding to preceding guardrail subassembly (31) lower extreme position of over-and-down and control the response locating component (33) of preceding guardrail subassembly (31) switch of over-and-down, the lower extreme fixedly connected with of spacing direction subassembly (32) is used for carrying out regulation formula buffer subassembly (34) of buffering to preceding guardrail subassembly (31) of over-and-down.

2. The automatic lifting front guard rail device of the numerical control vertical type channeling machine according to claim 1, characterized in that the lifting front guard rail assembly (31) comprises an air cylinder upper bracket (311), an air cylinder (312), an air cylinder joint (313), a front guard rail (314), transparent organic glass (315) and an air cylinder lower bracket (316), the air cylinder joint (313) is fixedly connected to the front side wall of the lower side of the left end and the right end of the front guard rail (314), the air cylinder lower bracket (316) is rotatably connected to the front end of the air cylinder joint (313) through a rotating shaft, the air cylinder (312) is fixedly arranged at the top of the air cylinder joint (313), the air cylinder upper bracket (311) is fixedly connected to the top of the air cylinder (312), and the transparent organic glass (315) is fixedly connected to the inner end of the front guard rail (314).

3. The automatic lifting front guard rail device of the numerical control vertical type channeling machine according to claim 2, characterized in that the limit guiding component (32) comprises a guide rail seat (321), a guide rail (322), a sliding block (323) and a sliding block seat (324), wherein one ends of the lower cylinder support (316) far away from each other are fixedly connected with the sliding block seat (324), the side walls of the sliding block seat (324) far away from each other are fixedly connected with the sliding block (323), one ends of the sliding block (323) far away from each other are fixedly connected with the guide rail (322), and one ends of the sliding rail (322) far away from the sliding block (323) are fixedly connected with the guide rail seat (321).

4. The automatic lifting front guard rail device of the numerical control vertical type channeling machine according to claim 3, wherein the inductive positioning assembly (33) comprises a proximity switch bracket (331), a bottom dead center position inductive device (332) and an inductive bracket (333), the upper end of the sliding block seat (324) is fixedly connected with the inductive bracket (333), the proximity switch bracket (331) is fixedly connected to the front side wall of the guide rail seat (321) in front of the inductive bracket (333), the bottom dead center position inductive device (332) is fixedly connected to the proximity switch bracket (331) in front of the inductive bracket (333), the bottom dead center position inductive device (332) penetrates through the proximity switch bracket (331), and the bottom dead center position inductive device (332) is electrically connected with the control end of the numerical control machine tool.

5. The automatic lifting front guard rail device of the numerical control vertical type groove planing machine according to claim 4, wherein the adjusting buffer assembly (34) comprises a C-shaped supporting frame (341), a threaded rod (342), a buffer sliding block (343), a spring (344) and an adjusting bolt (345), the lower end of the guide rail seat (321) is close to the side wall of the sliding block seat (324) and fixedly connected with the C-shaped supporting frame (341), the threaded rod (342) is fixedly connected between the front end and the rear end of an upper transverse plate and the rear end of the C-shaped supporting frame (341), the buffer sliding block (343) is slidingly connected with the middle part of the threaded rod (342), a spring (344) is connected between the buffer sliding block (343) and the bottom plate of the C-shaped supporting frame (341), the threaded rod (342) is wrapped by the spring (344), the adjusting bolt (345) is connected with the threaded rod (342) above the buffer sliding block (343) in an equal threaded mode, the bottom of the adjusting bolt (345) is in contact with the top of the buffer sliding block (343), and the spring (344) always belongs to a compression deformation state.

6. The automatic lifting front guard rail device of a numerical control vertical router according to claim 5, wherein the bottom of the slide block seat (324) contacts the buffer slide block (343) when the sensing bracket (333) moves to the rear of the bottom dead center position sensing device (332) and is sensed.

7. The automatic lifting front guard rail device of the numerical control vertical router of claim 6, wherein the connection of the sensing bracket (333) and the slide block seat (324) is connected by using a long strip hole and a bolt.

8. The automatic lifting front guard rail device of the numerical control vertical type channeling machine of claim 6 or 7, characterized in that the connection part of the bottom dead center position sensing device (332) and the proximity switch bracket (331) can be provided with a chute, and the bottom dead center position sensing device (332) is slidingly connected in the chute.

9. The automatic lifting front guard rail device of the numerical control vertical type channeling machine of claim 8, wherein the end of the upper cylinder bracket (311) far away from each other is fixedly connected with a tool rest beam side guard plate (1), and the side wall of the guide rail seat (321) far away from the guide rail (322) is fixedly connected with the side wall of the tool rest beam side guard plate (1) close to each other.

10. The automatic lifting front guard rail device of the numerical control vertical type channeling machine according to claim 9, characterized in that the upper ends of the two groups of knife rest beam side guard plates (1) are fixedly connected with the left and right ends of the knife rest beam panel (2), and the bottom of the knife rest beam side guard plates (1) is fixedly connected with a knife rest device (4).