CN215547222U - Tool setting device of horizontal machining center - Google Patents

Abstract

The utility model discloses a tool setting device of a horizontal machining center, which aims at the problem that the tool setting process of the existing tool setting device is complicated, and comprises a detection rod, a tool post and a tool post, wherein the detection rod is arranged on a spindle box and can move along the advancing or retreating direction of a tool bit; the telescopic driving component is connected with the spindle box and drives the detection rod to move towards the tool bit or the workpiece; the calibration plate is detachably and vertically arranged at the detection end of the detection rod; the pressure sensor is arranged on the detection rod, is used for controlling the detection rod to stop moving towards the tool bit when the calibration plate is pressed against the tool bit, and is used for detecting whether the detection rod moves to a workpiece or not; and the timer starts to time when the detection rod moves towards the workpiece, stops time when the detection rod moves towards the workpiece, and displays the time. The whole device can be suitable for cutters of any shape and size, and has strong applicability. The numerical value of the dial indicator does not need to be observed for many times, the tool setting device does not need to be adjusted repeatedly, the tool setting efficiency is improved, the feeding precision is reliably guaranteed, and the production efficiency is improved.

Description

Tool setting device of horizontal machining center

Technical Field

The utility model relates to the field of measuring devices on machine tools, in particular to a tool setting device of a horizontal machining center.

Background

When a part is machined in the machining center, a machining standard needs to be determined and serves as an original point of a machining program, and the part can be machined according to the program after the cutter determines the machining original point. Therefore, a machining origin, namely a tool setting point, needs to be found on the numerical control machining center. The tool setting point can be arranged on a part, a clamp or a machine tool, and the tool setting point is coincident with the cutting point of the tool when the tool is set, which is important for the processing precision. The tool setting device is a tool used for helping a machining center to determine a tool setting point. A horizontal machining center is provided in a numerical control machining center, and a tool feeding process is completed by driving a tool to move towards a direction close to a workpiece by a spindle box.

At present, chinese patent application No. 201710869919.8 discloses a lathe cutter tool setting device, and it includes the device base of being made by magnetic material, sets up the trompil on the device base, and the measuring stick of amesdial sets up to the structure that can pass the trompil, and fastening screw on the device base sets up to the structure that can extend to in the trompil, and when the device base adsorbs on the lathe body, the measuring head of amesdial sets up to the structure that can support and lean on the cutter body.

When the tool setting device is installed in a horizontal machining center, the tool feeding size of a tool body can be conveniently and quickly adjusted, but when the tool is changed, the length of the tool is different, the shape of the tool bit is different, and the tool is deformed to a certain extent after being used for a period of time, so that the original machining original point is possibly changed, the machining precision is influenced, the numerical value of a dial gauge needs to be concerned at all times in the tool setting process, the tool setting process is complicated, the tool setting is needed after each machining process is finished, the tool setting device is adjusted, time and labor are consumed, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the tool setting device of the horizontal machining center, which has the advantages of accurate tool setting, automatic tool setting and no need of frequent assembly and disassembly.

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

a tool setting device of a horizontal machining center comprises

A detection rod mounted on the main spindle box and capable of moving along the forward or backward direction of the tool bit;

the telescopic driving component is connected with the spindle box and drives the detection rod to move towards the tool bit or the workpiece;

the calibration plate is detachably and vertically arranged at the detection end of the detection rod;

the pressure sensor is arranged on the detection rod, is used for controlling the detection rod to stop moving towards the tool bit when the calibration plate is pressed against the tool bit, and is used for detecting whether the detection rod moves to a workpiece or not;

and the timer starts to time when the detection rod moves towards the workpiece, stops time when the detection rod moves towards the workpiece, and displays the time.

By adopting the technical scheme, the calibration plate is vertically arranged at the detection end of the detection rod, so that when the calibration plate is in contact with the tool bit of the tool, the detection end surface of the detection rod and the tool tip of the tool are ensured to be positioned on the same vertical plane, and the calibration precision of the tool tip is ensured. The detection rod arranged on the spindle box can move forward or backward along the feed direction of the tool bit under the driving of the telescopic driving component, so that the detection rod can touch a workpiece and the calibration plate touches the tool. When needing the calibration, under telescopic drive assembly's drive, the gauge rod drives the calibration board and moves towards the knife tip direction that is close to the cutter, when the calibration board touches the knife tip, the change of pressure is sensed to the pressure sensor on the gauge rod, and send the signal of stopping moving to telescopic drive assembly, telescopic drive assembly stops moving the gauge rod, dismantle the calibration board, and open the time-recorder, telescopic drive assembly drives the gauge rod and continues to move towards the work piece, the time-recorder begins the timing this moment, until gauge rod and work piece contact, pressure sensor senses the change of pressure, and send the signal of stopping moving to telescopic drive assembly, telescopic drive assembly stops moving the gauge rod, the signal of telescopic drive assembly stop moving is received to the time-recorder simultaneously, the time-recorder stops timing, and show the time of timing. And the operator can obtain the distance of the tool to be fed according to the moving time and speed of the detection rod. Need not observe the amesdial repeatedly, the use is convenient and fast.

Furthermore, the telescopic driving component is connected with a sliding component which is used for driving the telescopic driving component to move close to or far away from the workpiece, and the sliding component is connected with a spindle box of the machine tool.

By adopting the technical scheme, the sliding component connected to the spindle box drives the detection rod connected to the telescopic driving component to slide on the spindle box, so that the detection rod is close to a workpiece when the tool is required to be adjusted, and the tool adjustment is completed; when the tool is not required to be adjusted, the tool is far away from the workpiece, a processing operation space is made for the tool and the workpiece, the processing is not influenced, repeated assembly and disassembly are not required, and the tool is convenient to use.

Further, the subassembly that slides includes that the confession flexible drive assembly who rotates to connect in the headstock winds cutter pivoted first gear, and first gear engagement has the second gear that rotates to connect in the headstock, the second gear is connected with the driving motor that slides who is fixed in the headstock, driving motor that slides provides rotary power source for the second gear.

By adopting the technical scheme, the sliding driving motor fixed on the spindle box drives the second gear to rotate on the spindle box, so that the rotation of the second gear is realized, and the second gear is meshed with the first gear, so that the rotation of the first gear is realized. Under the drive of the first gear rotationally connected to the spindle box, the telescopic driving assembly rotates around the cutter on the spindle box, and the telescopic driving assembly drives the detection rod to be close to or far away from the workpiece.

Further, flexible drive assembly is including the shell that is used for isolated external pollution, the inside fixedly connected with of shell is along the guide arm that the feed direction set up, the guide arm slides and is connected with the slide, the slide be close to one side and the probe rod fixed connection of work piece, the inside fixedly connected with of shell is used for driving the slide along the slide drive assembly that the feed direction removed.

Adopt above-mentioned technical scheme, the shell is isolated outside flexible drive assembly with external pollution, avoids pollutants such as horizontal machining center's dust, iron fillings and greasy dirt to get into flexible drive assembly inside to influence the removal precision of gauge rod. A guide bar fixedly attached to the housing is disposed along the feed direction to provide support for the slide plate and to guide the slide plate to slide along the feed direction, thereby guiding the probe bar fixed to the side of the slide plate adjacent to the workpiece to move along the feed direction. The slide plate driving component drives the slide plate to slide, so that the detection rod moves along the feed direction.

Further, the sliding plate driving assembly comprises a screw rod which is rotatably connected to a shell and is arranged along the feeding direction, the screw rod is meshed with a slide block nut fixedly connected with the sliding plate, and a detection driving force source for driving the screw rod to rotate is fixedly connected to the shell.

By adopting the technical scheme, the detection driving source fixed on the shell provides rotating power for the rotation of the screw rod, the rotation of the screw rod fixed on the shell is realized, the external thread of the screw rod is meshed with the internal thread of the screw rod nut, the relative rotation of the screw rod nut and the screw rod is realized, the sliding plate fixedly connected with the screw rod nut slides along the feed direction under the guide of the guide rod, and the movement of the sliding plate along the feed direction is realized.

Further, the side of calibration plate that is close to the cutter is provided with the boss of taking the shrinkage pool, the shrinkage pool is used for holding the laminating with the detection of gauge rod, the sunken terminal surface of shrinkage pool is located the coplanar with the side of calibration plate that is close to the cutter, the sunken terminal surface of shrinkage pool is perpendicular with the inner cylinder face of shrinkage pool, the calibration plate along the axis direction of boss is provided with the screw hole that supplies the screw to pass.

Adopt above-mentioned technical scheme, the boss on the calibration plate sets up towards the detection terminal surface of gauge rod, has the shrinkage pool on the boss, and during the shrinkage pool can be packed into to the detection end of gauge rod, the sunken terminal surface of shrinkage pool was perpendicular with the inner cylinder face of shrinkage pool, after the gauge rod stretched into the shrinkage pool, gauge rod and calibration plate kept vertically position relation. The sunken terminal surface of shrinkage pool and the side that is close to the cutter of calibration board are located the coplanar, make the detection end of probe rod and the side that is close to the cutter of calibration board be located the coplanar, realize after the calibration board touches the cutter tip, the detection end and the cutter tip of probe rod are located the coplanar. The calibration plate is provided with a threaded hole along the axis direction of the boss, and the threaded hole can be penetrated by a screw.

Furthermore, the detecting rod is cylindrical, the cylindrical surface of the detecting rod is perpendicular to the detecting end surface of the detecting rod, and the detecting end of the detecting rod is provided with a threaded hole coaxial with the threaded hole of the calibrating plate.

By adopting the technical scheme, the cylindrical detection rod is matched with the concave hole of the calibration plate, so that the detection rod is tightly attached to the calibration plate, and the connection is stable and reliable. The detection end face of the detection rod is perpendicular to the cylindrical surface of the detection rod, the end face of the detection rod is tightly attached to the recessed end face of the concave hole of the calibration plate, the axis of the detection rod is perpendicular to the side face of the calibration plate, and the tool point position of the tool is accurately calibrated. The screw hole of the detection terminal surface of probe rod is coaxial with the screw hole of calibration plate, makes the screw pass calibration plate and probe rod threaded connection, realizes the relatively fixed between calibration plate and the probe rod, makes the calibration plate when the contact cutter, can not fall out from the probe rod, has the security.

In conclusion, the utility model has the following beneficial effects:

1. the numerical value of the dial indicator does not need to be observed for many times, and the tool setting device does not need to be adjusted repeatedly, so that the tool setting efficiency is improved, the tool feeding precision is reliably ensured, and the production efficiency is improved;

2. when the tool setting is needed, the sliding component slides the detection rod to the position near the workpiece, and when the tool setting is not needed, the sliding component slides the detection rod to the position far away from the workpiece, so that the tool setting device is not needed to be disassembled repeatedly, the use is convenient, and the time is saved;

3. the distance between the tip and the surface of the workpiece is accurately measured. The cutter is suitable for cutters of any shape and size, and has strong applicability.

Drawings

FIG. 1 is a schematic structural diagram of a tool setting device of a horizontal machining center;

FIG. 2 is a cross-sectional view of a telescopic driving assembly of a tool setting device of a horizontal machining center;

fig. 3 is a schematic structural view of a sliding assembly of a tool setting device of a horizontal machining center.

In the figure: 1. a probe rod; 2. a telescopic drive assembly; 21. a housing; 22. mounting a plate; 23. a fixing plate; 24. a guide bar; 25. a slide plate; 26. a linear bearing; 27. a sled drive assembly; 271. a screw rod; 272. a slider nut; 273. detecting a drive motor; 274. a first detection gear; 275. a second detection gear; 3. a calibration plate; 4. a pressure sensor; 5. a timer; 6. a slipping component; 61. a first gear; 62. a second gear; 63. a slip drive motor; 64. a driven wheel; 65. a driving wheel; 66. a belt.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

A tool setting device of a horizontal machining center is shown in figure 1 and comprises a detection rod 1, a calibration plate 3, a pressure sensor 4, a timer 5, a telescopic driving assembly 2 and a sliding assembly 6. The detection rod 1 is connected with the telescopic driving component 2, the telescopic driving component 2 is connected with the sliding component 6, and the sliding component 6 is connected with the spindle box, so that the detection rod 1 is driven by the sliding component 6 to move on the spindle box.

Referring to fig. 1 and 3, the sliding assembly 6 comprises a first gear 61 and a second gear 62, the first gear 61 is rotatably connected to the main spindle box through a bearing, and the axis of the first gear 61 is aligned with the axis of the cutter shaft. The position, close to the tooth surface, of the end face of the first gear 61 facing the workpiece is connected with the telescopic driving assembly 2, the first gear 61 is meshed with the second gear 62, the second gear 62 is rotatably connected to a spindle box through a bearing, a driven wheel 64 is fixedly connected to the end face, close to the spindle box, of the second gear 62, a driving wheel 65 is fixedly connected to the spindle box, a belt 66 is meshed with the driving wheel 65 and the driven wheel 64, and the center of the circle of the driving wheel 65 is fixedly connected with the output end of a sliding driving motor 63. The slip driving motor 63 drives the driving wheel 65 to rotate, the driving wheel 65 drives the belt 66 to rotate, the belt 66 drives the driven wheel 64 to rotate, the driven wheel 64 drives the second gear 62 to rotate, the second gear 62 is meshed with the first gear 61, the first gear 61 is enabled to rotate, and the first gear 61 drives the telescopic driving assembly 2 to rotate around the cutter.

Referring to fig. 1, 2 and 3, the telescopic driving assembly 2 includes a mounting plate 22 bolted to the first gear 61 and a sliding plate driving assembly 27, the mounting plate 22 is welded with a housing 21, a fixing plate 23 perpendicular to the feeding direction is welded inside the housing 21, a guide rod 24 is arranged inside the housing 21, one end of the guide rod 24 is welded to the side surface of the housing 21 close to the workpiece, the other end of the guide rod 24 is welded to the fixing plate 23, and the length direction of the guide rod 24 is parallel to the feeding direction. The guide rod 24 is slidably provided with a linear bearing 26, the linear bearing 26 is fixedly connected with a sliding plate 25, the plate surface of the sliding plate 25 is perpendicular to the length direction of the guide rod 24, the side surface of the sliding plate 25 close to the workpiece is fixedly connected with a pressure sensor 4, the other end of the pressure sensor 4 is fixedly connected with a detection rod 1, and the length direction of the detection rod 1 is parallel to the length direction of the guide rod 24. The pressure sensor 4 is electrically connected to the detection drive motor 273. The slide plate driving assembly 27 comprises a slide block nut 272 with an internal thread, the slide plate 25 is fixedly connected with the slide block nut 272, the internal thread of the slide block nut 272 is meshed with a lead screw 271, one end of the lead screw 271 is rotatably connected with the side surface of the shell 21 close to the workpiece through a bearing, the other end of the lead screw 271 is rotatably connected with the fixed plate 23 through a bearing, and the length direction of the lead screw 271 is parallel to the length direction of the guide rod 24. One side of the fixing plate 23, which is far away from the workpiece, is provided with a first detection gear 274, one end of the screw rod 271, which is far away from the workpiece, is fixedly connected to the circle center of the first detection gear 274, the axis of the first detection gear 274 and the axis of the screw rod 271 are located on the same straight line, the first detection gear 274 is engaged with a second detection gear 275, the second detection gear 275 is fixedly connected with a detection driving motor 273, the output shaft of the detection driving motor 273 is fixedly connected to the circle center of the second detection gear 275, and the detection driving motor 273 is fixedly connected with the housing 21. The detection driving motor 273 drives the second detection gear 275 to rotate, the second detection gear 275 is meshed with the first detection gear 274 to rotate, the first detection gear 274 drives the screw rod 271 to rotate, the screw rod 271 is meshed with the slider nut 272 to move, the slider nut 272 drives the sliding plate 25 to move along the guide rod 24, and the sliding plate 25 drives the detection rod 1 to move along the feed direction.

Referring to fig. 1, the terminal surface threaded connection that is close to the work piece of gauge rod 1 has calibration board 3, is equipped with the shrinkage pool on the calibration board 3, and the shrinkage pool is used for holding the laminating with the detection of gauge rod 1, and the sunken terminal surface of shrinkage pool and the side that is close to the cutter of calibration board 3 are located the coplanar, and the sunken terminal surface of shrinkage pool is perpendicular with the inner cylinder face of shrinkage pool, along of calibration board 3 the axis direction of boss is provided with the screw hole that supplies the screw to pass for the face perpendicular to gauge rod 1's of calibration board 3 length direction.

Referring to fig. 1 and 2, a timer 5 is screwed to the housing 21, and the timer 5 is electrically connected to the detection drive motor 273. The timer 5 is provided with a timing display screen.

Referring to fig. 1, 2 and 3, when tool setting is needed, the sliding driving motor 63 drives the driving wheel 65 to rotate, the driving wheel 65 drives the driven wheel 64 to rotate through the belt 66, the driven wheel 64 drives the second gear 62 to rotate, the second gear 62 drives the first gear 61 to rotate, the telescopic driving component 2 fixed on the second gear 62 rotates around the tool, and the rotation is stopped until the telescopic driving component rotates to a position close to a workpiece. The detection driving motor 273 sequentially drives the second detection gear 275, the first detection gear 274 and the lead screw 271 rotate, the lead screw 271 drives the sliding plate 25 to move along the guide rod 24, the sliding plate 25 drives the detection rod 1 to move towards the direction of the workpiece, when the detection rod 1 exceeds the position of a cutter tip, the extension is stopped, the detection end face of the detection rod 1 is provided with the calibration plate 3, the detection driving motor 273 is started, the detection driving motor 273 is reversed, the detection rod 1 moves towards the direction of the workpiece, the calibration plate 3 is touched to the cutter tip slightly, the pressure sensor 4 senses the pressure change, the output signal is output, the detection driving motor 273 stops rotating after receiving the signal, and the cutter calibration is completed. The calibration plate 3 is disassembled, the timer 5 is started, the detection driving motor 273 is started, the detection rod 1 continues to move towards the workpiece, meanwhile, the timer 5 receives a signal driven by the detection driving motor 273, timing is started until the detection rod 1 touches the surface of the workpiece, the pressure sensor 4 sends a signal, the detection driving motor 273 receives the signal to stop rotating, the detection driving motor 273 sends a rotation stop signal, the timer 5 receives the signal to stop timing, and time is displayed, namely the time for the detection rod 1 to move towards the workpiece from the cutter point position.

Referring to fig. 1 and 3, when the tool setting is not needed, the sliding driving motor 63 drives the driving wheel 65 to rotate, the driving wheel 65 drives the driven wheel 64 to rotate through the belt 66, the driven wheel 64 drives the second gear 62 to rotate, the second gear 62 drives the first gear 61 to rotate, the telescopic driving assembly 2 fixed on the second gear 62 rotates around the tool, and the rotation is stopped until the telescopic driving assembly rotates to a position far away from the workpiece.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (7)

1. The utility model provides a horizontal machining center's tool setting device which characterized in that: comprises that

A detection rod (1) which is arranged on the main spindle box and can move along the advancing or retreating direction of the tool bit;

the telescopic driving component (2) is connected to the spindle box and drives the detection rod (1) to move towards a tool bit or a workpiece;

the calibration plate (3) is detachably and vertically arranged at the detection end of the detection rod (1);

the pressure sensor (4) is arranged on the detection rod (1), is used for controlling the detection rod (1) to stop moving towards the tool bit when the calibration plate (3) is pressed against the tool bit, and is used for detecting whether the detection rod (1) moves to a workpiece or not;

and the timer (5) starts to time when the detection rod (1) moves towards the workpiece, stops time when the detection rod (1) moves towards the workpiece, and displays the time.

2. The tool setting device of the horizontal machining center according to claim 1, characterized in that: the telescopic driving component (2) is connected with a sliding component (6) which is used for driving the telescopic driving component (2) to move close to or far away from a workpiece, and the sliding component (6) is connected with a spindle box of a machine tool.

3. The tool setting device of the horizontal machining center according to claim 2, characterized in that: slip subassembly (6) including rotate connect in the confession of headstock flexible drive assembly (2) are around cutter pivoted first gear (61), first gear (61) meshing has second gear (62) of rotation connection in the headstock, second gear (62) are connected with and are fixed in slip driving motor (63) of headstock, slip driving motor (63) do second gear (62) provide rotary power source.

4. The tool setting device of the horizontal machining center according to claim 1, characterized in that: flexible drive assembly (2) is including shell (21) that is used for isolated external pollution, the inside fixedly connected with of shell (21) is along guide arm (24) that the direction of feed set up, guide arm (24) slide and are connected with slide (25), slide (25) be close to one side of work piece with probe rod (1) fixed connection, the inside fixedly connected with of shell (21) is used for the drive slide (25) are along slide drive assembly (27) that the direction of feed removed.

5. The tool setting device of the horizontal machining center according to claim 4, characterized in that: the sliding plate driving assembly (27) comprises a screw rod (271) which is rotatably connected to the shell (21) and arranged along the feeding direction, a slider nut (272) fixedly connected with the sliding plate (25) is meshed with the screw rod (271), and a detection driving force source for driving the screw rod (271) to rotate is fixedly connected to the shell (21).

6. The tool setting device of the horizontal machining center according to claim 1, characterized in that: the side of being close to the cutter of calibration plate (3) is provided with the boss of taking the shrinkage pool, the shrinkage pool be used for with the detection end laminating of gauge rod (1), the sunken terminal surface of shrinkage pool with the side of being close to the cutter of calibration plate (3) is located the coplanar, the sunken terminal surface of shrinkage pool is perpendicular with the interior cylinder face of shrinkage pool, the along of calibration plate (3) the axis direction of boss is provided with the screw hole that supplies the screw to pass.

7. The tool setting device of the horizontal machining center according to claim 6, characterized in that: the detection rod (1) is cylindrical, the cylindrical surface of the detection rod (1) is perpendicular to the detection end surface of the detection rod (1), and the detection end of the detection rod (1) is provided with a threaded hole coaxial with the threaded hole of the calibration plate (3).

Images