CN217121819U

CN217121819U - Drilling machine tool for processing bearing roller through hole

Info

Publication number: CN217121819U
Application number: CN202220735967.4U
Authority: CN
Inventors: 周庆恩; 纪成斌; 苏学贤
Original assignee: Dalian Dongxin Large Scale Bearing Roller Co ltd
Current assignee: Dalian Dongxin Large Scale Bearing Roller Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-05
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to a processing bearing roller drilling machine tool for through-hole, including work platform, work platform's one end is provided with the chuck, and work platform's the other end is provided with the tailstock, still is provided with the motor between chuck and the tailstock, and the slide in the vestibule of tailstock has cup jointed the sleeve, and the tail end of tailstock is fixed and is provided with the pneumatic cylinder, the piston rod of pneumatic cylinder with sleeve tail end connection, the sleeve front end is connected with the motor, and the drill bit is installed to the motor shaft tip of motor. The sleeve on its through pneumatic cylinder drive tailstock drives the motor and removes when drilling, and the machining precision is high.

Description

Drilling machine tool for processing bearing roller through hole

Technical Field

The utility model relates to the technical field of machine tools, especially, relate to processing bearing roller drilling machine tool for through-hole.

Background

When the bearing roller needs to process an inner hole, a lathe is usually used for drilling the bearing roller; when the drilling machine is used, a drill bit is arranged in a sliding sleeve on a tailstock, a part is clamped on a chuck of a lathe spindle, the chuck is driven to rotate by the lathe spindle, and the drill bit moves back and forth to perform drilling operation. The back-and-forth movement of drill bit needs rely on the hand wheel on the artifical rotatory tailstock, and after drilling processing was accomplished, the hand wheel on the artifical rotatory tailstock withdraws from the drill bit, and artifical intensity of labour is big, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a processing bearing roller is drilling machine tool for through-hole to prior art not enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

processing bearing roller drilling machine tool for through-hole, including work platform, work platform's one end is provided with the chuck, and work platform's the other end is provided with the tailstock, still is provided with the motor between chuck and the tailstock, and sliding sleeve has been cup jointed in the vestibule of tailstock, and the tail end of tailstock is fixed and is provided with the pneumatic cylinder, the piston rod of pneumatic cylinder with sleeve trailing end connection, the sleeve front end is connected with the motor, and the drill bit is installed to the motor shaft tip.

Furthermore, an electromagnetic valve for controlling the telescopic motion of the piston rod is arranged on a hydraulic loop of the hydraulic cylinder; a tool retracting switch and a stop switch are arranged on one side of the hydraulic cylinder, and the tool retracting switch and the stop switch are respectively electrically connected with the electromagnetic valve; still including being used for triggering the tool retracting switch with stop switch's trigger mechanism, trigger mechanism hits the piece and is located including the tool retracting that is used for triggering the tool retracting switch the guide arm that the stop switch was hit to the piece, is used for triggering stop switch the tool retracting switch with the stop switch top, the one end of guide arm is passed through connecting piece and sleeve front end fixed connection, and the other end extends to pneumatic cylinder one side along telescopic direction of motion, the tool retracting hit the piece with stop hitting the piece interval and setting up on the guide arm.

Furthermore, the guide rod is positioned above the retracting switch and the stopping switch, the retracting collision block is positioned on one side close to the sleeve, and the stopping collision block is positioned on one side far away from the sleeve.

Furthermore, the tool retracting collision block and the tool stopping collision block are respectively arranged on the guide rod through a clamping assembly with adjustable distance, and the clamping assembly comprises a clamping block and a pressing bolt arranged on the clamping block.

Furthermore, a clamping cavity matched with the guide rod is arranged on the clamping block, a threaded hole matched with the compression bolt is formed in the side wall of the clamping cavity, and the front end of the compression bolt is screwed into the clamping cavity and abuts against the guide rod.

Furthermore, the upper end of the tool retracting block and the upper end of the stopping block are respectively fixed on the respective clamping blocks, the lower end of the tool retracting block is provided with an outer arc surface for abutting against the tool retracting switch, and the lower end of the stopping block is provided with an outer arc surface for abutting against the stopping switch.

Furthermore, the tool retracting switch and the stop switch are arranged in parallel and fixed on the outer side of the cylinder body of the hydraulic cylinder through a support plate.

Furthermore, a guide plate is arranged at the tail end of the cylinder body of the hydraulic cylinder, and one end, far away from the sleeve, of the guide rod penetrates through a through hole of the guide plate.

Further, the tool retracting switch and the stop switch are both microswitches.

Further, a pair of slide rails is arranged on the working platform, slide grooves matched with the slide rails are formed in the motor and the tailstock, and the chuck is installed on the working platform through a fixing box.

Compared with the prior art, the utility model beneficial effect be:

the utility model provides a processing bearing roller drilling machine tool for through-hole, including work platform, work platform's one end is provided with the chuck, and work platform's the other end is provided with the tailstock, still is provided with the motor between chuck and the tailstock, and the slide in the vestibule of tailstock has cup jointed the sleeve, and the tail end of tailstock is fixed and is provided with the pneumatic cylinder, the piston rod of pneumatic cylinder with sleeve tail end connection, the sleeve front end is connected with the motor, and the drill bit is installed to the motor shaft tip. The sleeve on its through pneumatic cylinder drive tailstock drives the motor and removes when drilling, and the machining precision is high.

Drawings

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

fig. 2 is a schematic front view of the embodiment of the present invention;

fig. 3 is a schematic top view of an embodiment of the present invention;

fig. 4 is a schematic diagram of a right-view structure of an embodiment of the present invention.

In the figure: 1. the device comprises a working platform, 2, a tailstock, 3, a hydraulic cylinder, 4, a motor, 5, a sleeve, 6, a drill bit, 7, a tool retracting switch, 8, a stop switch, 9, a supporting plate, 10, a tool retracting collision block, 11, a stop collision block, 12, a guide rod, 13, a connecting plate, 14, a guide plate, 15, a clamping block, 16, a compression bolt, 17, a chuck, 18, a fixed box, 19, a slide rail, 20, a connecting sleeve, 21 and a roller.

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.

Example 1

As shown in fig. 1-4, the drilling machine tool for processing the through hole of the bearing roller comprises a working platform 1, wherein one end of the working platform 1 is provided with a chuck 17, the chuck 17 is used for clamping the bearing roller 21 to be drilled, and specifically, the chuck 17 is installed on the working platform 1 through a fixing box 18. It should be noted that the chuck 17 is not moved during the drilling process in this embodiment. The chuck 17 may be a hydraulic chuck 17 or an air chuck 17, and the chuck 17 in this embodiment is an air chuck 17.

The other end of work platform 1 is provided with tailstock 2, still is provided with motor 4 between chuck 17 and tailstock 2, and is specific, is provided with a pair of slide rail 19 on the work platform 1, all be provided with on motor 4 and the tailstock 2 bottom surface with slide rail 19 assorted spout. Sleeve 5 has been slided to cup joint in the vestibule of tailstock 2, and the tail end of tailstock 2 is fixed and is provided with pneumatic cylinder 3, and the piston rod and the 5 trailing end connection of sleeve of pneumatic cylinder 3, sleeve 5 front end are connected with motor 4, and drill bit 6 is installed to motor shaft end of motor 4. A piston rod of the hydraulic cylinder 3 stretches and retracts to drive the motor 4 to move on the working platform 1 through the sleeve 5.

The motor shaft of the embodiment is fixedly connected with the drill bit 6 through a connecting sleeve 20. The center axis of the chuck 17, the center axis of the shaft of the motor 4, and the center axis of the sleeve 5 are collinear.

The hydraulic circuit of the hydraulic cylinder 3 of the embodiment is provided with an electromagnetic valve for controlling the telescopic motion of the piston rod; a tool retracting switch 7 and a stop switch 8 are arranged on one side of the hydraulic cylinder 3, and the tool retracting switch 7 and the stop switch 8 are respectively electrically connected with the electromagnetic valve; specifically, the tool retracting switch 7 and the stop switch 8 are arranged in parallel and fixed on the outer side of the cylinder body of the hydraulic cylinder 3 through a support plate 9. The retracting switch 7 and the stop switch 8 of the present embodiment are both micro switches.

The present embodiment further includes a trigger mechanism for triggering the retracting switch 7 and the stop switch 8, and the trigger mechanism includes a retracting striking block 10 for triggering the retracting switch 7, a stop striking block 11 for triggering the stop switch 8, and a guide rod 12 disposed above the retracting switch 7 and the stop switch 8. One end of the guide rod 12 is fixedly connected with the front end of the sleeve 5 through a connecting plate 13, the other end of the guide rod extends to one side of the hydraulic cylinder 3 along the moving direction of the sleeve 5, and specifically, the connecting plate 13 is arranged in the axial direction of the vertical sleeve 5. The connecting plate 13 is welded and fixed with the guide rod 12 and the sleeve 5 respectively.

In order to increase the stability of the guide rod 12, a guide plate 14 is arranged at the tail end of the cylinder body of the hydraulic cylinder 3, the guide plate 14 is arranged perpendicular to the axial direction of the hydraulic cylinder 3, one end of the guide plate 14 is welded and fixed with the cylinder body of the hydraulic cylinder, a through hole is formed in one end, away from the hydraulic cylinder 3, of the guide plate 14, and one end, away from the sleeve 5, of the guide rod 12 penetrates through the through hole of the guide plate 14 and extends outwards. The guide rods 12 in this embodiment are clearance fit with the through holes of the guide plate 14.

The tool retracting collision block 10 and the stopping collision block 11 are arranged on the guide rod 12 along the axial direction of the guide rod 12 in a front-back direction, and are arranged along the radial direction of the guide rod 12 in a left-right staggered manner, the tool retracting switch 7 and the stopping switch 8 which are arranged in parallel are positioned between the tool retracting collision block 10 and the stopping collision block 11, specifically, the tool retracting collision block 10 is positioned on one side close to the sleeve 5, and the stopping collision block 11 is positioned on one side far away from the sleeve 5.

The tool retracting collision block 10 and the stopping collision block 11 of the present embodiment are respectively mounted on the guide rod 12 through a clamping assembly with adjustable distance, wherein the clamping assembly comprises a clamping block 15 and a pressing bolt 16 arranged on the clamping block 15. Specifically, the clamping block 15 is provided with a clamping hole matched with the guide rod 12, a threaded hole matched with the compression bolt 16 is formed in the side wall of the clamping hole, and when clamping is performed, the front end of the compression bolt 16 is screwed into the clamping hole to abut against the guide rod 12. It should be noted that the distance between the tool retracting collision block 10 and the stopping collision block 11 can be adjusted by the clamping assembly, so as to facilitate the processing of holes with different depths.

In this embodiment, the upper end of the tool retracting block 10 and the upper end of the stopping block 11 are respectively fixed on the respective clamping blocks 15, the lower end of the tool retracting block 10 is provided with an outer arc surface for abutting against the tool retracting switch 7, and the lower end of the stopping block 11 is provided with an outer arc surface for abutting against the stopping switch 8. It should be noted that the switch is convenient to trigger by arranging the outer arc surface, and meanwhile, the switch is prevented from being damaged by a collision block.

This embodiment still includes the feed switch with solenoid valve electric connection.

When the tool retracting device is used, an operator presses a feed switch, the electromagnetic valve controls a piston rod of the hydraulic cylinder 3 to extend out, the sleeve 5 drives the drill bit 6 and the guide rod 12 on the motor 4 to move towards the direction close to the bearing roller 21 under the pushing of the piston rod, when the drill bit 6 is machined to a preset depth, the tool retracting collision block 10 automatically triggers the tool retracting switch 7 under the driving of the guide rod 12, after the tool retracting switch 7 is triggered, the electromagnetic valve controls the piston rod of the hydraulic cylinder 3 to retract, the sleeve 5 drives the drill bit 6 and the guide rod 12 on the motor 4 to move towards the direction far away from the bearing roller 21 under the pulling of the piston rod, when the drill bit 6 retracts to an initial position, the stopping collision block 11 automatically triggers the stopping switch 8 under the driving of the guide rod 12, and after the stopping switch 8 is triggered, the electromagnetic valve controls the piston rod of the hydraulic cylinder 3 to stop moving.

Compared with the prior art, the embodiment has the beneficial effects that:

this embodiment drives sleeve 5 on the tailstock 2 and drives motor 4 and remove through pneumatic cylinder 3 drive when drilling, and the machining precision is high. In addition, in the embodiment, the hydraulic cylinder 3 drives the sleeve 5 on the tailstock 2 to perform telescopic motion, and the sleeve 5 drives the tool retracting striking block 10 and the stopping striking block 11 on the trigger mechanism to automatically trigger the tool retracting switch 7 and the stopping switch 8 while moving, so that the tool feeding depth of the drill bit 6 on the sleeve 5 during drilling and the tool retracting position after drilling are automatically controlled, and the processing efficiency is high.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

In the description of the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Processing bearing roller drilling machine tool for through-hole, its characterized in that: the drilling machine comprises a working platform, wherein a chuck is arranged at one end of the working platform, a tailstock is arranged at the other end of the working platform, a motor is further arranged between the chuck and the tailstock, a sleeve is sleeved in a hole cavity of the tailstock in a sliding mode, a hydraulic cylinder is fixedly arranged at the tail end of the tailstock, a piston rod of the hydraulic cylinder is connected with the tail end of the sleeve in a tail end connecting mode, the front end of the sleeve is connected with the motor, and a drill bit is installed at the end portion of a motor shaft of the motor.

2. The drilling machine tool for machining a bearing roller through hole according to claim 1, characterized in that: an electromagnetic valve for controlling the telescopic motion of the piston rod is arranged on a hydraulic loop of the hydraulic cylinder; a tool retracting switch and a stop switch are arranged on one side of the hydraulic cylinder, and the tool retracting switch and the stop switch are respectively electrically connected with the electromagnetic valve; still including being used for triggering move back the sword switch with stop switch's trigger mechanism, trigger mechanism is including being used for triggering move back the sword of moving back the sword switch hits the piece, is used for triggering stop switch's the stopping hits the piece and is located move back the sword switch with the guide arm of stop switch top, the one end of guide arm pass through the connecting piece with sleeve front end fixed connection, the other end of guide arm is followed telescopic direction of motion to pneumatic cylinder one side extends, move back the sword hit the piece with the stopping hits a setting of interval and is in on the guide arm.

3. The drilling machine tool for machining a bearing roller through hole according to claim 2, characterized in that: the guide rod is positioned above the retracting switch and the stopping switch, the retracting collision block is positioned on one side close to the sleeve, and the stopping collision block is positioned on one side far away from the sleeve.

4. The drilling machine tool for machining a bearing roller through hole according to claim 2, characterized in that: the tool retracting collision block and the tool stopping collision block are respectively arranged on the guide rod through a clamping assembly with adjustable distance, and the clamping assembly comprises a clamping block and a pressing bolt arranged on the clamping block.

5. The drilling machine tool for machining a bearing roller through hole according to claim 4, characterized in that: the clamping block is provided with a clamping hole matched with the guide rod, the side wall of the clamping hole is provided with a threaded hole matched with the compression bolt, and the front end of the compression bolt is screwed into the clamping hole and abuts against the guide rod.

6. The drilling machine tool for machining a bearing roller through hole according to claim 2, characterized in that: the upper end of the tool retracting block and the upper end of the stopping block are respectively fixed on the respective clamping blocks, the lower end of the tool retracting block is provided with an outer arc surface used for abutting against the tool retracting switch, and the lower end of the stopping block is provided with an outer arc surface used for abutting against the stopping switch.

7. The drilling machine tool for machining a bearing roller through hole according to claim 2, characterized in that: the tool retracting switch and the stop switch are arranged in parallel and fixed on the outer side of the cylinder body of the hydraulic cylinder through the supporting plate.

8. The drilling machine tool for machining a bearing roller through hole according to claim 2, characterized in that: the tail end of the cylinder body of the hydraulic cylinder is provided with a guide plate, and one end, far away from the sleeve, of the guide rod penetrates through a through hole of the guide plate.

9. The drilling machine tool for machining a bearing roller through hole according to claim 2, characterized in that: the tool retracting switch and the stop switch are both microswitches.

10. The drilling machine tool for machining a bearing roller through hole according to any one of claims 1 to 9, characterized in that: the working platform is provided with a pair of slide rails, the motor and the tailstock are provided with slide grooves matched with the slide rails, and the chuck is installed on the working platform through a fixing box.