CN213734371U - Jade ultrasonic engraving machine - Google Patents

Abstract

The utility model discloses a jade ultrasonic engraving machine, including frame, conveyor, ultrasonic engraving device and work piece feeding device, conveyor includes the rolling disc, rotary driving mechanism, the annular equipartition of rolling disc has a plurality of frock slotted holes, rotary driving mechanism is connected with the rolling disc transmission, ultrasonic engraving device includes the carving head, work piece feeding device includes ejector pin spare, electronic ruler, counter weight mechanism, stop gear and controller, the carving head is relative to setting up on the frock slotted hole rotation orbit downside from top to bottom with ejector pin spare, counter weight mechanism is connected with ejector pin spare transmission, the electronic ruler is used for the position of real-time detection ejector pin spare in upper and lower direction; the limiting mechanism comprises an electric control limiting driving assembly which can be in transmission connection with the ejector rod piece, and the controller is configured to be used for receiving signals of the electronic ruler and then controlling the electric control limiting driving assembly to operate. Real-time processing progress can be fed back through the electronic ruler, and meanwhile required pressure in processing is set through the counterweight mechanism.

Description

Jade ultrasonic engraving machine

Technical Field

The utility model relates to a field of jade processing equipment, in particular to jade ultrasonic engraving machine.

Background

With the development of science and technology, the application of ultrasonic waves in the aspect of machinery is wider and wider. In the jade course of working, because the too big very easy breakage of the material problem atress of jade itself, the weak vibrations that prior art generally adopted the ultrasonic wave to arouse can prevent that jade from producing the damage in engraving process, current ultrasonic engraving machine generally includes processing feeding device, ultrasonic engraving device, work piece conveyor, wherein for improving machining efficiency, work piece conveyor generally carries the jade through the mode of rolling disc, it lays a plurality of frock positions to be the annular on the rolling disc promptly, and ultrasonic equipment is the downside of arranging the upside in frock position with processing feeding device respectively about being, add man-hour, the jade is placed in the frock position in proper order, it carries to between ultrasonic equipment and the processing feeding device to follow the rolling disc rotation, thereby realize continuous processing. The following problems arise in use: the rotating positioning of the rotating disc is easy to deviate due to long operating time and acting force during processing, so that deviation is generated between a tool position and an engraving head, and the rejection rate of processed jade is high; the processing feeding device of the existing ultrasonic engraving machine has no processing progress feedback, no stable processing pressure and can not realize data control, so that the processing progress of jade processing is checked by frequently stopping and taking down the jade in the processing process, and the jade is excessively processed and even damaged easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a jade ultrasonic engraving machine to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The utility model provides a solution of its technical problem is:

the technical scheme adopted for solving the technical problems is as follows:

a jade ultrasonic engraving machine, which comprises: the ultrasonic engraving device comprises ultrasonic equipment and an engraving head, wherein the ultrasonic equipment is connected with the engraving head, the engraving head is arranged above the rotation track of the tool slot hole, and the ultrasonic equipment is arranged on the machine base; the workpiece feeding device comprises a top rod piece, an electronic ruler, a counterweight mechanism, a limiting mechanism and a controller, wherein the top rod piece can slide up and down relative to the base, the top rod piece is provided with a top moving end arranged on the upper part and a connecting end arranged on the lower part, the top moving end is arranged below the rotating track of a tool slotted hole, the engraving head and the top moving end are oppositely arranged up and down, the top moving end can penetrate through the tool slotted hole upwards, the top rod piece is fixedly connected with a first limiting block, the counterweight mechanism is provided with a counterweight driving end which is in transmission connection with the connecting end and drives the top rod piece to move upwards, the electronic ruler is installed on the base in a vertically extending mode and is connected with the top rod piece, and the electronic ruler is used for detecting the position of the top rod piece in the vertical direction in real time; the limiting mechanism comprises an electric control limiting driving assembly and a second limiting block, the second limiting block is arranged above the first limiting block, the upper portion of the first limiting block can be abutted to the lower portion of the second limiting block, the electric control limiting driving assembly is provided with a limiting driving end which is in transmission connection with the second limiting block and enables the second limiting block to move up and down, the controller is simultaneously electrically connected with the electronic ruler and the electric control limiting driving assembly, and the controller is configured to be used for receiving signals of the electronic ruler and then controlling the electric control limiting driving assembly to drive the second limiting block to move up and down.

The utility model has the advantages that: when the tool is used, workpieces to be machined are sequentially placed on the plurality of tool slotted holes, before machining, the limiting driving end on the electric control limiting driving assembly drives the second limiting block to move downwards, and the second limiting block pushes the ejector rod piece to move downwards to an initial position through the first limiting block; when a workpiece is engraved, the rotary driving mechanism drives the rotary disc to rotate around the central axis of the rotary driving mechanism, so that the workpiece to be machined rotates to a machining position, namely between the engraving head and the jacking end on the ejector rod piece, then the electric control limit driving assembly drives the second limiting block to move upwards, the ejector rod piece also pushes the workpiece to be machined upwards under the driving of the counterweight mechanism, when the ejector rod piece pushes the workpiece to be clamped with the engraving head, the ejector rod piece is forced to stop moving, the electronic ruler detects the position of the ejector rod piece and sets the position as an original position, then the ultrasonic equipment operates and machines the workpiece through the engraving head, meanwhile, the counterweight mechanism drives the ejector rod piece to move upwards, the controller sets the machining schedule of the workpiece and receives a signal of the real-time position of the ejector rod piece transmitted from the electronic ruler, when the electronic ruler detects that the distance between the position of the ejector rod piece and the original position is equal to the machining schedule, at the moment, the processing is finished, the controller controls the electric control limit driving assembly to drive the second limit block to move downwards, the ejector rod piece is pushed downwards to the initial position, then the rotary driving mechanism drives the rotary disc to rotate again, the next workpiece is continuously rotated to the processing position, and the operation is repeated, so that the continuous engraving processing of the workpiece is realized. Real-time processing progress can be fed back out through the electronic ruler to this embodiment, still sets for required pressure in the processing simultaneously through counter weight mechanism to avoid causing the processing excessively to the work piece.

As a further improvement of the above technical scheme, the conveying device further comprises a positioning mechanism, the positioning mechanism comprises a first clamping portion, a second clamping portion and an elastic clutch component, the number of the first clamping portion corresponds to the number of the tooling slotted holes one by one, and the first clamping portion is arranged in an annular interval mode by taking the central axis of the rotating disc as the center of a circle, the first clamping portion is fixedly arranged relative to the rotating disc, the second clamping portion is installed on the machine base through the elastic clutch component, and the elastic clutch component is connected with the second clamping portion in a movable transmission mode and enables the second clamping portion to be clamped or separated from the elastic clutch driving end of the first clamping portion.

When the rotating disc rotates to enable the corresponding tool slot hole to rotate to the machining position, at the moment, the elastic clutch driving end on the elastic clutch component can push the second clamping portion to be clamped with the corresponding first clamping portion, so that the tool slot hole corresponding to the first clamping portion just keeps being fixed at the machining position, deviation between the tool slot hole and the engraving head caused by rotation of the rotating disc during machining can be avoided, the precision of workpiece engraving is improved, the rejection rate is reduced, and when the next workpiece needs to be machined, the second clamping portion is separated from the first clamping portion under the elastic action of the elastic clutch component.

As a further improvement of the above technical scheme, positioning mechanism still includes the location carousel, the location carousel with the coaxial relatively fixed setting of rolling disc is a plurality of first joint portion annular equipartition and the periphery of location carousel, the elastic clutch component includes fixing base, swing piece, elastic component, the fixing base is fixed in on the frame, the swing piece has hinged end and free end, the hinged end be about the articulated shaft that extends through the axis with the fixing base is articulated, the swing piece sets up in the side of location carousel periphery, second joint portion set up in on the free end, the elastic component sets up between fixing base and swing piece, the elastic component is used for promoting the free end winds the articulated shaft swing makes second joint portion with first joint portion chucking.

When the positioning turntable rotates for a set angle, the corresponding first clamping part rotates to a position clamped with the second clamping part, and at the moment, under the action of the elastic force of the elastic part, the elastic part pushes the swinging block to swing around the hinged shaft, so that the second clamping part is clamped with the first clamping part, and the positioning and fixing of the positioning turntable are realized; and when next frock position needs to be rotated, rotary drive mechanism drive rolling disc rotates to drive the location carousel and rotate together, at this moment location carousel pivoted dynamics is greater than the elasticity of elastic component, and then second joint portion can separate with first joint portion, later rotates when next first joint portion arrives the position of chucking, and the elastic component continues to promote swing piece and the chucking of the first joint portion that corresponds.

As a further improvement of the above technical scheme, the first clamping portion is a clamping groove formed in the peripheral wall of the positioning rotary table, the second clamping portion is a clamping angle structure formed in the free end of the swinging block, and the clamping groove and the clamping angle structure are matched and clamped with each other.

The scheme realizes clamping through the matching clamping of the clamping angle structure and the clamping groove, and the separation between the clamping angle structure and the clamping groove can be determined according to different rotary driving forces, one side of the clamping groove is obliquely arranged, so that under the rotation of the positioning turntable, the elastic force of the elastic piece can be overcome by the acting force between the clamping angle structure and the clamping groove, and the swinging of the swinging block can be promoted.

As a further improvement of the above technical solution, the rotating disc is fixedly connected with a rotating shaft, the rotating disc is rotatably connected with the base through the rotating shaft, the rotary driving mechanism includes a driven gear, a driving gear and a rotary driving unit, the driven gear is fixedly connected with the rotating shaft, the driving gear is engaged with the driven gear, and the rotary driving unit is in transmission connection with the driving gear.

When the rotating disc needs to be rotated, the rotating driving unit drives the driving gear to rotate, the driving gear drives the rotating shaft to rotate through the driven gear, the rotating disc can be driven to rotate, and the precision of the rotating angle of the rotating disc can be improved through the meshing of the driving gear and the driven gear.

As a further improvement of the above technical scheme, the counter weight mechanism includes counter weight rack, counter weight gear, counter weight carousel, connection lines, balancing weight, the counter weight rack is the extension of upper and lower is fixed in the link, the counter weight gear through be the level extend the pivot that sets up with the frame rotationally connects, the counter weight gear with the meshing of counter weight rack is connected, the counter weight carousel with the coaxial relatively fixed setting of counter weight gear, the connection lines around in on the counter weight carousel, the upper end of connection lines with counter weight carousel fixed connection, the lower extreme and the balancing weight fixed connection of connection lines.

When compressing tightly the work piece and adding man-hour, the lower extreme of connecting the lines is come the pulling through the gravity of balancing weight, applys a pivoted power for the counter weight carousel can drive the counter weight rack and rotate, under counter weight rack and counter weight rack meshing, drives ejector pin spare and up moves, can keep the stability of counter weight mechanism output power, makes ejector pin spare keep invariable to the pressure of work piece, when the pressure of processing is changed to needs, the weight of adjustable balancing weight. Through the meshing transmission of the balance weight rack and the balance weight gear, the moving stability and precision of the ejector rod piece can be improved, and the phenomenon of slipping is avoided.

As a further improvement of the above technical solution, the electrically controlled limiting driving assembly includes a lifting screw, a lifting nut seat, and a limiting rotation motor, the lifting screw extends up and down, the limiting rotation motor is fixedly mounted on the base, an output end of the limiting rotation motor is in transmission connection with the lifting screw, the limiting rotation motor is electrically connected with the controller, the lifting nut seat is slidably mounted on the base up and down, the lifting nut seat is in threaded transmission connection with the lifting screw, and the lifting nut seat is connected with the second limiting block.

When the second limiting block needs to be driven to move up and down, the limiting rotation motor drives the lifting screw rod to rotate, the lifting nut seat can be driven to move up and down under the threaded transmission of the lifting nut seat and the lifting screw rod, the second limiting block can be driven to move up and down, the moving precision of the second limiting block can be improved through the threaded fit of the lifting nut seat and the lifting screw rod, and data control is facilitated.

As a further improvement of the above technical solution, the ultrasonic engraving apparatus further includes a lifting adjustment mechanism, the ultrasonic device is mounted on the base in a vertically slidable manner, and the lifting adjustment mechanism has a lifting driving end which is in transmission connection with the ultrasonic device and enables the ultrasonic device to move up and down relative to the base.

According to the thickness of the jade of difference, the upper and lower height of ultrasonic equipment is adjusted to accessible lift adjustment mechanism, is the upper and lower height of adjusting the carving head promptly, and lift adjustment mechanism in this scheme can be for being drive structures such as vertical electric putter, hydraulic stem, perhaps be lead screw and nut screw thread transmission's lift drive structure again.

As a further improvement of the technical scheme, the base is provided with a workbench top which is horizontally arranged, the rotating disc is arranged on the upper side of the workbench top, the rotary driving mechanism, the positioning mechanism, the electronic ruler, the counterweight mechanism and the limiting mechanism are all arranged on the lower side of the workbench top, and the workbench top is provided with a feeding through hole for the ejector rod piece to pass through and a rotating through hole for the rotary driving end to pass through.

Because can a lot of dusts at the in-process to jade sculpture, table surface can make the processing region of table surface top keep apart with table surface's below, can avoid the dust to influence the transmission part of table surface below, improve equipment operation's stability, reduce the fault rate.

As a further improvement of the technical scheme, a protective shell is installed on the upper side of the working table, the rotating disc is arranged in the protective shell, a processing through hole for the engraving head to penetrate through is formed in the protective shell, a horn-shaped protective cover is connected to the outer side of the jacking end, the outer diameter of the protective cover gradually increases from top to bottom, the protective cover and the jacking rod piece are coaxially arranged, a protective sleeve is connected to the lower surface of the rotating disc, and the protective sleeve and the rotating disc are coaxially arranged.

The protective housing mainly plays dirt-proof effect, avoids the produced dust of processing to fly upward, also protects the workman simultaneously, and the protection casing can avoid the dust directly to fall to feeding between through-hole and the ejector pin spare, and protective sleeve can avoid the dust directly to fall to rotating in the through-hole.

Drawings

The present invention will be further explained with reference to the drawings and examples;

FIG. 1 is a schematic structural diagram of an embodiment of the ultrasonic jade carving machine, wherein two arrows respectively show upward and downward directions;

fig. 2 is a schematic structural diagram of an embodiment of a conveying device and a workpiece feeding device provided by the present invention;

fig. 3 is a schematic structural diagram of an embodiment of a workpiece feeding device according to the present invention, wherein two arrows respectively indicate upward direction and downward direction;

fig. 4 is a schematic structural diagram of an embodiment of a workpiece feeding device according to the present invention;

fig. 5 is a schematic structural diagram of an embodiment of a conveying device provided by the present invention;

fig. 6 is a partial enlarged view a in fig. 5;

fig. 7 is an exploded view of an embodiment of a delivery device provided by the present invention;

fig. 8 is a partial enlarged view B in fig. 7.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of the present invention are shown in the attached drawings, and the function of the attached drawings is to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 8, the ultrasonic jade carving machine of the present invention comprises the following embodiments:

the ultrasonic jade carving machine of the embodiment mainly comprises a machine base 100, a conveying device, an ultrasonic carving device and a workpiece feeding device 400.

As shown in fig. 5 to 8, the conveying device in this embodiment includes a rotary disc 200 and a rotary driving mechanism 270, the rotary disc 200 has a central axis that extends from top to bottom, the rotary disc 200 has a tooling slot 210 that runs through from top to bottom, the tooling slot 210 is provided with a plurality of tooling slots 210, the central axis is used as a circle center and is arranged at an annular interval, the rotary disc 200 is coaxially and fixedly connected with a rotating shaft 260, the rotary disc 200 is rotatably connected with the machine base 100 through the rotating shaft 260, the tooling slot 210 in this embodiment is provided with a processing seat, the processing seat can move up and down in the tooling slot 210, the processing seat is mainly used for placing jade, when processing, the jade is placed on the processing seat, and the processing seat at this time can move up and down in the tooling slot 210.

Wherein the rotary drive mechanism 270 is configured to drive the turn disc 200 to rotate around the central axis, and specifically: the rotary driving mechanism 270 includes a driven gear 271, a driving gear 272, and a rotary driving unit, where the driven gear 271 is coaxially and fixedly connected to the rotating shaft 260, the driving gear 272 is meshed with the driven gear 271, and the rotary driving unit is in transmission connection with the driving gear 272, the rotary driving unit in this embodiment is a rotary motor fixed on the base 100, when the rotary dial 200 is rotated, the rotary motor drives the driving gear 272 to rotate, the driving gear 272 drives the rotating shaft 260 to rotate through the driven gear 271, and then the rotary dial 200 can be driven to rotate, and the precision of the rotation angle of the rotary dial 200 can be improved through the meshing between the driving gear 272 and the driven gear 271.

The ultrasonic engraving apparatus in this embodiment comprises an ultrasonic device 300, an engraving head 310 and a lifting adjustment mechanism 320, the ultrasonic equipment 300 is connected with an engraving head 310, the engraving head 310 is arranged above the rotating track of the tooling slot 210, the ultrasonic device 300 is installed on the base 100 in a vertically sliding manner, the lifting adjusting mechanism 320 has a lifting driving end which is in transmission connection with the ultrasonic device 300 and enables the ultrasonic device 300 to move up and down relative to the base 100, according to the thickness of different jades, the up-down height of the ultrasonic device 300 can be adjusted by the lifting adjusting mechanism 320, i.e., the upper and lower heights of the engraving head 310 are adjusted, the elevation adjustment mechanism 320 in this embodiment is an elevation driving structure driven by screw threads of a lead screw and a nut, in other embodiments, the lifting adjustment mechanism 320 may be a vertical electric push rod, a hydraulic rod, or other driving structure.

As shown in fig. 3 and 4, the workpiece feeding device 400 in the present embodiment includes a pin member 410, an electronic ruler 420, a weight mechanism 440, a limit mechanism, and a controller. The ejector pin 410 can slide up and down relative to the machine base 100, specifically: a slide rail extending vertically is fixed on the machine base 100, and the ejector member 410 is connected with a slide block in sliding fit with the slide rail. The ejector pin member 410 has an ejector end disposed at the upper portion and a connecting end disposed at the lower portion, the ejector end is disposed below the rotation track of the tooling slot 210, and the engraving head 310 and the ejector end are disposed opposite to each other.

Wherein the counterweight mechanism 440 applies an upward feed force to the pin member 410, specifically: the counterweight mechanism 440 comprises a counterweight rack 441, a counterweight gear 442, a counterweight rotating disc 443, a connecting line 444 and a counterweight 445, wherein the counterweight rack 441 extends and is fixed on the top rod 410 up and down, the counterweight gear 442 is rotatably connected with the machine base 100 through a rotating shaft 446 which extends horizontally, the counterweight gear 442 is engaged and connected with the counterweight rack 441, the counterweight rotating disc 443 is coaxially and relatively fixedly arranged with the counterweight gear 442, the connecting line 444 winds around the counterweight rotating disc 443, the upper end of the connecting line 444 is fixedly connected with the counterweight rotating disc 443, the lower end of the connecting line 444 is fixedly connected with the counterweight 445, when a workpiece is pressed, the lower end of the connecting line 444 is pulled by the gravity of the counterweight 445 to apply a rotating force to the counterweight rotating disc 443, so that the counterweight rotating disc 443 can drive the counterweight rack 441 to rotate, under the meshing of the counterweight rack 441 and the counterweight rack 441, the ejector rod piece 410 is driven to move upwards, so that the stability of the force output by the counterweight mechanism 440 can be maintained, the pressure of the ejector rod piece 410 on a workpiece is kept constant, and when the processing pressure needs to be changed, the weight of the counterweight 445 can be adjusted. Through the meshing transmission of the counterweight rack 441 and the counterweight gear 442, the stability and the precision of the movement of the ejector rod 410 can be improved, and the phenomenon of slipping is avoided.

The electronic ruler 420 is used for detecting the position of the ejector pin member 410 in the up-down direction in real time.

The limiting mechanism in this embodiment includes an electronic control limiting driving assembly 450 and a second limiting block 430, the ejector rod member 410 is fixedly connected with the first limiting block 411, the second limiting block 430 is disposed above the first limiting block 411, the upper portion of the first limiting block 411 can abut against the lower portion of the second limiting block 430, and the electronic control limiting driving assembly 450 is mainly used for driving the second limiting block 430 to move up and down, specifically: the electronic control limit driving assembly 450 of the embodiment includes a lifting screw 451, a lifting nut seat 452, and a limit rotating motor 453, wherein the lifting screw 451 extends vertically, the limit rotating motor 453 is fixedly installed on the base 100, an output end of the limit rotating motor 453 is in transmission connection with the lifting screw 451, the lifting nut seat 452 is installed on the base 100 in a vertically slidable manner, specifically, a guide rod extending vertically is fixed on the base 100, and the lifting nut seat 452 is provided with a guide hole in sliding fit with the guide rod; the lifting nut base 452 is in threaded transmission connection with the lifting screw 451, and the lifting nut base 452 is connected with the second limiting block 430.

And the controller is electrically connected with the electronic ruler 420 and the limit rotation motor 453 at the same time, and the controller is configured to receive the signal of the electronic ruler 420 and control the limit rotation motor 453 to rotate.

When the tool is used, workpieces to be processed are sequentially placed on the processing seats of the plurality of tool slot holes 210, before processing, the electric control limit driving assembly 450 drives the second limit block 430 to move downwards, and the second limit block 430 pushes the ejector pin piece 410 to move downwards to an initial position through the first limit block 411; when a workpiece is engraved, the rotary driving mechanism 270 drives the rotary disc 200 to rotate around its central axis, so that the workpiece to be processed is rotated to a processing position, that is, between the engraving head 310 and the top moving end of the ejector rod member 410, then when the electronic control limit driving assembly 450 drives the second limiting block 430 to move upwards, the ejector rod member 410 is driven by the counterweight mechanism 440 to also push the workpiece to be processed upwards, when the ejector rod member 410 pushes the workpiece to be clamped with the engraving head 310, the ejector rod member 410 is forced to stop moving, at this time, the electronic ruler 420 detects the position of the ejector rod member 410 and sets the position as an original position, then the ultrasonic device 300 operates and processes the workpiece through the engraving head 310, and simultaneously the ejector rod member 410 driven by the counterweight mechanism 440 moves upwards, at this time, the controller sets the processing schedule according to the workpiece, and receives a signal of the real-time position of the ejector rod member 410 transmitted from the electronic ruler 420, after the electronic ruler 420 detects that the distance between the position of the top rod piece 410 and the initial position is equal to the processing progress, at this time, the processing is completed, the controller controls the electric control limit driving assembly 450 to drive the second limit block 430 to move downwards, the top rod piece 410 is pushed downwards to the initial position, then the rotary driving mechanism 270 drives the rotary disc 200 to rotate again, the next workpiece continues to be rotated to the processing position, and the operation is repeated, so that the continuous engraving processing of the workpiece is realized. In this embodiment, the electronic ruler 420 can feed back a real-time processing progress, and meanwhile, the counterweight mechanism 440 is used to set a pressure required in the processing, so as to avoid over-processing the workpiece.

As shown in fig. 5 to 8, in order to improve the stability of the rotating disc 200 during processing, the conveying device further includes a positioning mechanism, the positioning mechanism includes a positioning turntable 230, a plurality of first clamping portions, a second clamping portion, and an elastic clutch member 220, the positioning turntable 230 and the rotating disc 200 are coaxially and relatively fixedly disposed, the plurality of first clamping portions are annularly and alternately arranged with the central axis of the rotating disc 200 as a center, the number of the first clamping portions corresponds to the number of the tooling slots 210 one to one, the first clamping portions of this embodiment are clamping slots 240 disposed on the peripheral wall of the positioning turntable 230, wherein the elastic clutch member 220 includes a fixing seat 221, a swinging block 222, and an elastic member 223, the fixing seat 221 is fixed on the base 100, the swinging block 222 has a hinged end and a free end, the hinged end is hinged to the fixing seat 221 through a hinge shaft 224 extending up and down through the axis, the swing block 222 is arranged at the side of the periphery of the positioning turntable 230, the elastic member 223 is arranged between the fixing seat 221 and the swing block 222, the second clamping portion is arranged at the free end, the second clamping portion of the embodiment is a clamping angle structure 250 arranged at the free end of the swing block 222, the clamping groove 240 and the clamping angle structure 250 are mutually matched and clamped, the clamping is realized through the matching and clamping of the clamping angle structure 250 and the clamping groove 240 in the embodiment, the clamping and the separation between the clamping angle structure 250 and the clamping groove 240 can be determined according to different rotation driving forces, one side of the clamping groove 240 is obliquely arranged, so that the elastic force of the elastic member 223 can be overcome by the acting force between the clamping angle structure 250 and the clamping groove 240 and the swing of the swing block 222 can be pushed under the rotation of the positioning turntable.

Therefore, when the rotating disc 200 rotates to enable the corresponding tooling slot 210 to rotate to the processing position, the corresponding clamping groove 240 rotates to the position clamped with the clamping angle structure 250, and at this time, under the elastic force of the elastic piece 223, the elastic piece 223 pushes the swinging block 222 to swing around the hinge shaft 224, so that the clamping angle structure 250 is clamped with the clamping groove 240, and the positioning and fixing of the positioning turntable 230 are realized; when the next tooling position needs to be rotated, the rotary driving mechanism 270 drives the rotary disc 200 to rotate and drives the positioning rotary disc 230 to rotate together, at this time, the rotating force of the positioning rotary disc 230 is greater than the elastic force of the elastic member 223, so that the corner clamping structure 250 can be separated from the clamping groove 240, and then when the next clamping groove 240 reaches the clamping position, the elastic member 223 continues to push the swinging block 222 to be clamped with the corresponding clamping groove 240.

The elastic member 223 of the present embodiment is a spring, and in other embodiments, may be a spring plate.

In some embodiments, in order to implement digital control, the positioning turntable 230 is provided with sensing slots, the number of the sensing slots corresponds to the number of the tooling slot holes 210 one to one, and a plurality of the sensing slots are arranged in an annular interval manner with the axis of the positioning turntable 230 as a center of circle, and the embodiment is further provided with a sensor assembly, wherein the sensor assembly is used for sensing the corresponding sensing slots to trigger the stop operation of the rotary driving mechanism 270, the rotary driving mechanism 270 drives the rotating disc 200 to rotate at a rotating angle, and the sensor assembly can be used for controlling, specifically, when the sensor assembly senses the corresponding sensing slots, the corresponding tooling slot holes 210 just rotate to a set processing position, and the sensor assembly triggers the rotary driving mechanism 270 to stop operation.

In some embodiments, because there is a lot of dust in the jade carving process, the base 100 is provided with a table top 110 horizontally arranged, the rotary disc 200 is arranged on the upper side of the table top 110, the rotary driving mechanism 270, the positioning mechanism, the electronic ruler 420, the counterweight mechanism 440 and the limiting mechanism are all arranged on the lower side of the table top 110, and the table top 110 is provided with a feeding through hole 111 for the ejector rod 410 to pass through and a rotating through hole 112 for the rotating shaft 260 to pass through. The working table 110 can isolate the processing area above the working table 110 from the lower part of the working table 110, thereby avoiding dust from influencing the transmission part below the working table 110, improving the running stability of the equipment and reducing the failure rate.

A protective shell 113 is mounted on the upper side of the working table 110, the rotary disc 200 is arranged in the protective shell 113, a processing through hole 114 through which the engraving head 310 passes is formed in the protective shell 113, a horn-shaped protective cover 412 is connected to the outer side of the jacking end, the outer diameter of the protective cover 412 is gradually increased from top to bottom, the protective cover 412 and the jacking rod piece 410 are coaxially arranged, a protective sleeve 280 is connected to the lower surface of the rotary disc 200, and the protective sleeve 280 and the rotary disc 200 are coaxially arranged. The protective casing 113 mainly plays a role in dust prevention, prevents dust generated by processing from flying, and simultaneously protects workers, the protective casing 412 prevents dust from directly falling between the feeding through hole 111 and the ejector rod piece 410, and the protective sleeve 280 prevents dust from directly falling into the rotating through hole 112.

In some embodiments, the second engaging portion and the first engaging portion may be other engaging structures, such as a pin and a pin hole structure, or a magnetic attraction structure, and the second engaging portion and the first engaging portion may be locked and fixed to each other.

In some embodiments, the electronically controlled limit drive assembly 450 may be another electronically controlled drive component, such as an electric push rod, a hydraulic rod, or the like. The weight mechanism 440 may have other structures, such as a lever structure, in which one end is suspended with a weight structure and the other end is movably connected to the top rod 410, and the processing pressure can be changed by changing the weight or position of the weight structure.

The top rod member 410 of the present embodiment is a straight rod structure, and in some implementations, the top rod member 410 may have other irregular shapes, which only needs to have a top moving end disposed at the upper portion and a connecting end disposed at the lower portion.

In addition, in some embodiments, the sliding fit structure may be other sliding structures, such as a sliding fit of a sliding groove and a sliding seat, or a sliding fit of a guide rail and a pulley.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. A jade ultrasonic engraving machine is characterized in that: it includes:

a frame (100);

the conveying device comprises a rotating disc (200) and a rotary driving mechanism (270), wherein the rotating disc (200) is provided with a central axis extending up and down, the rotating disc (200) is provided with a plurality of tool slotted holes (210) penetrating up and down, the tool slotted holes (210) are arranged in an annular interval mode by taking the central axis as a circle center, the rotary driving mechanism (270) and the machine base (100) are relatively and fixedly arranged, and the rotary driving mechanism (270) is provided with a rotary driving end which is in transmission connection with the rotating disc (200) and enables the rotating disc (200) to rotate around the central axis;

the ultrasonic engraving device comprises ultrasonic equipment (300) and an engraving head (310), wherein the ultrasonic equipment (300) is connected with the engraving head (310), and the engraving head (310) is arranged above the rotating track of the tool slot hole (210);

a workpiece feeding device (400) which comprises a top rod piece (410), an electronic ruler (420), a counterweight mechanism (440), a limiting mechanism and a controller, the ejector rod piece (410) can slide up and down relative to the engine base (100), the ejector rod piece (410) is provided with an ejector end arranged at the upper part and a connecting end arranged at the lower part, the top moving end is arranged below the rotating track of the tool slot hole (210), the engraving head (310) and the top moving end are arranged oppositely up and down, the ejector rod piece (410) is fixedly connected with a first limiting block (411), the counterweight mechanism (440) is provided with a counterweight driving end which is in transmission connection with the connecting end and drives the ejector rod piece (410) to move upwards, the electronic ruler (420) is installed on the machine base (100) in a vertically extending mode, the electronic ruler (420) is connected with the ejector rod piece (410), the electronic ruler (420) is used for detecting the position of the ejector rod piece (410) in the vertical direction in real time; the limiting mechanism comprises an electric control limiting driving assembly (450) and a second limiting block (430), the second limiting block (430) is arranged above a first limiting block (411), the upper portion of the first limiting block (411) can be abutted to the lower portion of the second limiting block (430), the electric control limiting driving assembly (450) is provided with a limiting driving end which is in transmission connection with the second limiting block (430) and enables the second limiting block (430) to move up and down, the controller is simultaneously electrically connected with the electronic ruler (420) and the electric control limiting driving assembly (450), and the controller is configured to be used for receiving signals of the electronic ruler (420) and controlling the electric control limiting driving assembly (450) to drive the second limiting block (430) to move up and down.

2. The ultrasonic jade carving machine as claimed in claim 1, wherein:

conveyor still includes positioning mechanism, positioning mechanism includes first joint portion, second joint portion, elastic clutch component (220), the quantity one-to-one of first joint portion and the quantity of frock slotted hole (210) is a plurality of first joint portion uses the central axis of rolling disc (200) to be annular interval arrangement as the centre of a circle and sets up, first joint portion sets up with rolling disc (200) relatively fixed, second joint portion pass through elastic clutch component (220) install in on frame (100), elastic clutch component (220) have with second joint portion swing joint is connected and is makeed second joint portion with the elastic clutch drive end of first joint portion chucking or separation.

3. The ultrasonic jade carving machine as claimed in claim 2, wherein:

positioning mechanism still includes location carousel (230), location carousel (230) with carousel (200) coaxial relatively fixed sets up, and is a plurality of first joint portion annular equipartition and the periphery of location carousel (230), elastic clutch component (220) include fixing base (221), swing piece (222), elastic component (223), fixing base (221) are fixed in on frame (100), swing piece (222) have hinged end and free end, hinged end be articulated shaft (224) that extend from top to bottom through the axis with fixing base (221) are articulated, swing piece (222) set up in the side of location carousel (230) periphery, second joint portion set up in on the free end, elastic component (223) set up between fixing base (221) and swing piece (222), elastic component (223) are used for promoting the free end is around articulated shaft (224) swing, So that the second clamping part is clamped with the first clamping part.

4. The ultrasonic jade carving machine as claimed in claim 3, wherein:

first joint portion is for setting up draw-in groove (240) on the periphery wall of location carousel (230), second joint portion for set up in card angle structure (250) on swing piece (222) free end, draw-in groove (240) with card angle structure (250) match the block each other.

5. The ultrasonic jade carving machine as claimed in claim 1, wherein:

the coaxial fixedly connected with axis of rotation (260) of rolling disc (200), the rolling disc (200) is rotationally connected with frame (100) through axis of rotation (260), rotary drive mechanism (270) include driven gear (271), driving gear (272), rotary drive unit, driven gear (271) with the coaxial fixed connection of axis of rotation (260), driving gear (272) with driven gear (271) meshing is connected, rotary drive unit is connected with driving gear (272) transmission.

6. The ultrasonic jade carving machine as claimed in claim 1, wherein:

the counterweight mechanism (440) comprises a counterweight rack (441), a counterweight gear (442), a counterweight rotating disc (443), a connecting line (444) and a counterweight block (445), the counterweight rack (441) extends up and down and is fixed on the connecting end, the counterweight gear (442) is rotatably connected with the machine base (100) through a rotating shaft (446) which extends horizontally, the counterweight gear (442) is meshed with the counterweight rack (441) and is connected with the counterweight rotating disc (443), the counterweight rotating disc (443) and the counterweight gear (442) are coaxially and relatively fixedly arranged, the connecting line (444) winds on the counterweight rotating disc (443), the upper end of the connecting line (444) is fixedly connected with the counterweight rotating disc (443), and the lower end of the connecting line (444) is fixedly connected with the counterweight block (445).

7. The ultrasonic jade carving machine as claimed in claim 1, wherein:

the electronic control limit driving assembly (450) comprises a lifting screw rod (451), a lifting nut seat (452) and a limit rotating motor (453), the lifting screw rod (451) extends up and down, the limit rotating motor (453) is fixedly installed on the base (100), the output end of the limit rotating motor (453) is in transmission connection with the lifting screw rod (451), the limit rotating motor (453) is electrically connected with the controller, the lifting nut seat (452) is installed on the base (100) in a vertically sliding manner, the lifting nut seat (452) is in threaded transmission connection with the lifting screw rod (451), and the lifting nut seat (452) is connected with the second limit block (430).

8. The ultrasonic jade carving machine as claimed in claim 1, wherein:

the ultrasonic engraving device further comprises a lifting adjusting mechanism (320), the ultrasonic equipment (300) can be installed on the base (100) in a vertically sliding mode, and the lifting adjusting mechanism (320) is provided with a lifting driving end which is in transmission connection with the ultrasonic equipment (300) and enables the ultrasonic equipment (300) to move up and down relative to the base (100).

9. The ultrasonic jade carving machine as claimed in any one of claims 2 to 8, wherein:

frame (100) are provided with table surface (110) that is the level setting, rolling disc (200) set up in the upside of table surface (110), rotary driving mechanism (270), positioning mechanism, electronic ruler (420), counter weight mechanism (440), stop gear all set up in the downside of table surface (110) are provided with feed through-hole (111), the confession that supplies ejector pin spare (410) to pass rotary drive end rotation through-hole (112) that pass.

10. The ultrasonic jade carving machine as claimed in claim 9, wherein:

protection casing (113) are installed to the upside of table surface (110), rotating disc (200) set up in protection casing (113) be provided with processing through-hole (114) that supply carving head (310) to pass on protection casing (113), the outside of top end is connected with protection casing (412) that are the loudspeaker form, the external diameter of protection casing (412) is from last down grow gradually, protection casing (412) and ejector pin piece (410) coaxial setting the lower surface of rotating disc (200) is connected with protective sleeve (280), protective sleeve (280) with rotating disc (200) coaxial setting.

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