CN214109594U - Anti-falling device for magnetic seat drilling machine head - Google Patents

Abstract

The utility model provides a device is prevented deviating from by magnetic drill head, including frame, swing joint aircraft nose in the frame, the drive mechanism who drives the aircraft nose and go up and down in the frame, but the aircraft nose passes through the connection of drive mechanism oscilaltion in the frame, drive mechanism including decide the guide rail, move guide rail, rocker gear shaft and with the gear engagement's of rocker gear shaft rack, the activity of rocker gear shaft is located in the frame, the rack is installed at the aircraft nose, the rack be the whole gear hobbing structure in one side, install the locating part at the position of rack end position detachable. The utility model has the advantages that: the utility model discloses a be connected with the detachable locating part in rack end position for the guide rail installation is convenient more, swift, and this locating part adopts the screw simultaneously, and its structure realizes easily, only needs on moving the guide rail processing screw hole can.

Description

Anti-falling device for magnetic seat drilling machine head

Technical Field

The utility model belongs to the technical field of the machine tool that drills, especially, relate to a magnetic base rig.

Background

The up-and-down movement of the machine head in the magnetic seat drilling machine structure is realized by driving a rocker gear shaft to rotate through a rocker handle to drive a rack to move up and down, and the like products in the current market are characterized in that: most of the parts do not have the function of preventing the rack from falling off at the lifting limit position of the machine head; some limit functions are to lengthen the rack and leave a section for non-hobbing limit.

The method has the following defects: 1) the machine head can be separated from the rack when the machine head is shaken to the limit position without the limiting function of the lifting limit position of the machine head.

2) The guide rail is difficult to assemble by lengthening the rack and leaving a section without hobbing. The fixed guide rail is installed and fixed firstly, the movable guide rail cannot be installed, the movable guide rail cannot be meshed with the gear from the head of the rack, the rack on the movable guide rail needs to be avoided from the head without hobbing, the gear is meshed into the movable guide rail, the movable guide rail is matched with the fixed guide rail, the movable guide rail can cover the screw hole of the fixed guide rail, the movable guide rail also needs to move up and down, and the screw can be screwed when the screw hole of the fixed guide rail is exposed. The guide rail is difficult to disassemble, and the guide rail cannot be disassembled by shaking the rack by the rocker. The assembly and disassembly are extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a device is prevented deviating from by magnetic drill head convenient to dismouting is provided.

The utility model discloses a realize through following technical scheme:

the magnetic-base drilling machine head anti-disengaging device comprises a rack, a machine head movably connected to the rack, and a transmission mechanism driving the machine head to ascend and descend on the rack, wherein the machine head can ascend and descend through the transmission mechanism and is connected to the rack, the transmission mechanism comprises a fixed guide rail, a movable guide rail, a rocker gear shaft and a rack meshed with a gear of the rocker gear shaft, the rocker gear shaft is movably arranged on the rack, the rack is installed on the machine head and is of a whole hobbing structure on one side, and a limiting part is detachably installed at the tail end position of the rack.

Preferably, the end head of the limiting part protrudes out of the end face of the tooth end of the rack after the limiting part is installed.

Preferably, the limiting member is a screw.

Preferably, the rack is installed on the movable guide rail, the movable guide rail is movably clamped and matched with the fixed guide rail, and the limiting part is installed on the movable guide rail located at the tail end of the rack.

Preferably, the two fixed guide rails are symmetrically fixed on the rack, a gap for the movement of the rack is formed between the two fixed guide rails, the movable guide rail is arranged between the two fixed guide rails, and the rack is arranged between the gap between the two fixed guide rails.

Preferably, a dovetail groove for preventing the horizontal displacement of the movable guide rail is formed between the two movable guide rails or between the two movable guide rails and the rack, and a dovetail structure clamped into the dovetail groove of the fixed guide rail is arranged on the outer side of the corresponding movable guide rail.

Preferably, the machine head is fixed on the movable guide rail through a clamping block and a screw.

The utility model has the advantages that: the utility model discloses a be connected with the detachable locating part in rack end position for the guide rail installation is convenient more, swift, and this locating part adopts the screw simultaneously, and its structure realizes easily, only needs on moving the guide rail processing screw hole can.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a partial cross-sectional view of the present invention.

Detailed Description

The present invention will be further described with reference to the following examples.

Examples

The device for preventing the head 7 of the magnetic drill from falling out as shown in fig. 1-3 comprises a frame 6, a head 7 movably connected to the frame 6, and a transmission mechanism for driving the head 7 to ascend and descend on the frame 6, wherein the head 7 is connected to the frame 6 through the transmission mechanism in a way of ascending and descending up and down, the transmission mechanism comprises a fixed guide rail 5, a movable guide rail 10, a rocker gear shaft 2 and a rack 9 meshed with a gear of the rocker gear shaft 2, the two fixed guide rails 5 are fixed on the frame 6 through first screws 4, the rocker gear shaft 2 is movably arranged on the frame 6, specifically, two shaft sleeves 3 are arranged in holes at two sides of the frame 6, the rocker gear shaft 2 is arranged in the shaft sleeves 3, and is fixed on the frame 6 through a snap spring 8. The rack 9 is fixed on the movable guide rail 10 by a second screw 11, wherein one end of the rocker gear shaft 2 is connected with a plurality of rocker handles 1 which are convenient for driving the rocker gear shaft 2 to rotate, the rocker gear shaft 2 is radially provided with a toothed structure or is sleeved with a gear on the shaft, the rocker gear shaft 2 is inserted into the frame 6 when being installed, and the tooth position of the rocker gear shaft 2 is aligned with the rack 9 position of the machine head 7, it is worth noting that the rack 9 is a whole hobbing structure on one side, a limiting part 12 is detachably installed at the tail position of the rack 9, the rack 9 is installed on the movable guide rail 10, the movable guide rail 10 is movably clamped and matched with the fixed guide rail 5, and the limiting part 12 is installed on the movable guide rail 10 at the tail position of the rack 9. In the embodiment, all the gear hobbing on one side of the rack 9 can realize that the movable guide rail 10 provided with the rack 9 is inserted from the end of the fixed guide rail 5, and the limiting part is installed after the insertion, so that the whole guide rail is convenient and quick to install and easy to realize.

For the limiting part can be better play limiting displacement, in this embodiment, after the limiting part is installed, the end head protrudes out of the end face of the toothed end of the rack 9. This ensures that the gear does not pass over the limit stop when it moves to the end of the rack 9. In this embodiment, the limiting member is a screw, a through hole with a thread is processed at a corresponding position of the movable guide rail 10 in this embodiment, and the screw is installed from the front end of the movable guide rail 10.

In order to realize the directional sliding between the movable guide rail 10 and the fixed guide rail 5 and to enable the rack 9 to be meshed with the gear, in this embodiment, the two fixed guide rails 5 are symmetrically fixed on the frame 6, a gap for the movement of the rack 9 is formed between the two fixed guide rails 5, the movable guide rail 10 is arranged between the two fixed guide rails 5, and the rack 9 is arranged between the gap between the two fixed guide rails 5. Dovetail grooves for preventing the movable guide rails 10 from horizontally moving are formed between the two movable guide rails 10 or between the two movable guide rails 10 and the rack 6, and dovetail structures clamped in the dovetail grooves of the fixed guide rails 5 are arranged on the outer sides of the corresponding movable guide rails 10. The rack 9 is located in the gap between the two fixed guide rails 5, and the tooth position of the rocker gear shaft 2 is also located in the gap, so that the rack 9 is meshed with the teeth of the rocker gear shaft 2.

The head 7 described in this embodiment is fixed to the movable rail 10 by means of a clamping block 13 and a third screw 14.

In this embodiment, the rocker gear drives the rack 9 to move up and down by rocking the rocker handle 1. The limiting piece is arranged on the movable guide rail 10 and at the end position of the rack 9. When the rocker is rocked to the limit position of the rack 9, the gear of the rocker is blocked by the limiting piece, so that the gear cannot be meshed with the rack 9 to be out of the way, and the rack 9 cannot be separated.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.

Claims (7)

1. Magnetic base rig head anticreep device, including frame, swing joint aircraft nose in the frame, the drive mechanism who drives aircraft nose lift in the frame, but the aircraft nose passes through the connection of drive mechanism oscilaltion in the frame, drive mechanism including decide the guide rail, move the guide rail, rocker gear shaft and with the rack of the gear engagement of rocker gear shaft, the activity of rocker gear shaft is located in the frame, the rack is installed in overhead its characterized in that: the rack is of a whole hobbing structure on one side, and a limiting part is detachably arranged at the tail end of the rack.

2. The magnetic drill head anti-drop-out device of claim 1, wherein: after the limiting part is installed, the end head protrudes out of the end face of the rack tooth end.

3. The magnetic drill head anti-drop-out device of claim 2, wherein: the limiting piece is a screw.

4. A magnetic drill head anti-drop out device as claimed in claim 1, 2 or 3, wherein: the rack is installed on moving the guide rail, moves movable joint cooperation between guide rail and the fixed guide rail, and the locating part is installed on the guide rail that moves that is located rack tip position.

5. The magnetic drill head anti-drop-out device of claim 4, wherein: the fixed guide rails are symmetrically fixed on the rack, a gap for the movement of the rack is formed between the two fixed guide rails, the movable guide rail is arranged between the two fixed guide rails, and the rack is arranged between the two fixed guide rails.

6. The magnetic drill head anti-drop-out device of claim 5, wherein: dovetail grooves for preventing the movable guide rails from horizontally moving are formed between the two movable guide rails or between the two movable guide rails and the rack, and dovetail structures clamped into the dovetail grooves of the fixed guide rails are arranged on the outer sides of the corresponding movable guide rails.

7. The magnetic drill bit anti-drop out device of claim 6, wherein: the machine head is fixed on the movable guide rail through the clamping block and the screw.

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