CN216971204U - Automatic feeding and discharging mechanism for CNC (computer numerical control) machining of medical products - Google Patents
Automatic feeding and discharging mechanism for CNC (computer numerical control) machining of medical products Download PDFInfo
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- CN216971204U CN216971204U CN202122769780.4U CN202122769780U CN216971204U CN 216971204 U CN216971204 U CN 216971204U CN 202122769780 U CN202122769780 U CN 202122769780U CN 216971204 U CN216971204 U CN 216971204U
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Abstract
The utility model relates to an automatic loading and unloading mechanism for CNC (computerized numerical control) machining of medical products, which comprises a servo detection feeding assembly, a workpiece clamp assembly, a main shaft assembly and a workpiece machining assembly, wherein the servo detection feeding assembly automatically detects whether a workpiece is to be machined or not, the workpiece clamp assembly automatically finishes loading and unloading without manual clamping, the error of the loading position of the workpiece is reduced, the machining precision and the production efficiency of the products are improved, the quality consistency of the products is ensured, and the production and machining processes are more flexible, simple and rapid; meanwhile, manual operation is reduced, production efficiency and operation safety are improved, and the productivity is higher. Meanwhile, the main shaft assembly and the workpiece clamp assembly are driven by the X-axis module and the Z-axis module, so that the utilization rate of parts is improved, the structure of the machining mechanism is compact, the floor area of production equipment is reduced, and the production cost is saved.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tools, in particular to an automatic feeding and discharging mechanism for CNC machining of medical products.
Background
The numerical control machine tool is a short name of a numerical control machine tools (CNC), and is an automatic machine tool equipped with a program control system. The control system sends out various control signals to control the action of the machine tool, and parts are automatically machined according to the shape and the size required by the drawing. The numerical control machine tool well solves the problem of machining of complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, represents the development direction of the control technology of modern machine tools, and is a typical mechanical and electrical integration product.
At present, CNC engraving and milling machine tools in the medical industry are generally large in size and complex in structure, not only are difficult to maintain, but also occupy large space and are low in plant utilization rate. Meanwhile, due to the high precision requirement of medical products, the precision error is increased and the product quality is reduced due to manual clamping.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide an automatic loading and unloading mechanism for CNC machining of medical products, which can accurately clamp a workpiece.
An automatic loading and unloading mechanism for CNC (computerized numerical control) machining of medical products comprises a servo detection feeding assembly, a workpiece clamp assembly, a main shaft assembly and a workpiece machining assembly, wherein the main shaft assembly comprises a main shaft, an X-axis module and a Z-axis module, the X-axis module controls the main shaft to move horizontally, the Z-axis module controls the main shaft to move vertically, and the workpiece clamp assembly is fixedly installed at the bottom of the side wall of the main shaft and moves horizontally or vertically with the main shaft; the detection feeding assembly comprises a feeding object placing table and a discharging object placing table, and a feeding sensor is arranged on one side of the feeding object placing table; the workpiece processing assembly comprises a workpiece processing table, and the workpiece processing table is arranged below the main shaft; the workpiece clamp assembly is used for conveying the workpiece to be machined to the workpiece machining table from the feeding object placing table or conveying the machined workpiece to the discharging object placing table from the workpiece machining table.
Further, still include the workstation and locate equipment support on the workstation, the X axle module includes X axle servo motor and X axle ball screw, X axle ball screw horizontal direction install in on the equipment support, X axle servo motor drive the Z axle module is followed X axle ball screw moves about.
Furthermore, the Z-axis module comprises a spindle connecting plate, a Z-axis fixing piece, a Z-axis servo motor and a Z-axis ball screw, the Z-axis fixing piece is arranged on the X-axis ball screw and moves along the X-axis ball screw, the Z-axis ball screw is vertically installed on the Z-axis fixing piece, the spindle connecting plate is arranged on the Z-axis ball screw, and the Z-axis servo motor drives the spindle connecting plate to move up and down along the Z-axis ball screw.
Further, the spindle is vertically installed on the spindle connecting plate, the spindle comprises a spindle rotating motor and a cutter mounting seat, and the cutter mounting seat is arranged at the tail end of the spindle rotating motor and rotates under the control of the spindle rotating motor.
Further, work holder subassembly fixed mounting in the lateral wall bottom of main shaft connecting plate, the work holder subassembly includes sucking disc subassembly and clamping jaw subassembly, the sucking disc subassembly includes vacuum chuck and locates the sucking disc cylinder of vacuum chuck top, the clamping jaw subassembly includes a pair of relative clamping jaw that sets up and locates the clamping jaw cylinder of clamping jaw top, the clamping jaw cylinder is used for controlling a pair ofly the clamping jaw opens and shuts.
Further, the workpiece clamp assembly further comprises a clamp assembly cylinder, a clamp assembly connecting plate is arranged at the output end of the clamp assembly cylinder, the sucker assembly and the clamping jaw assembly are fixedly mounted on the clamp assembly connecting plate, and the clamp assembly cylinder is used for controlling the sucker assembly and the clamping jaw assembly to move up and down.
Furthermore, the detection feeding assembly is fixedly installed on the stand column of the equipment support, and the feeding object placing table and the feeding sensor are arranged on the outer side of the discharging object placing table in parallel.
Furthermore, the material loading and placing table comprises a lifting platform and a lifting cylinder, and the lifting cylinder is used for controlling the lifting platform to ascend or descend.
Furthermore, the material loading sensor comprises a sensing arm arranged above the material loading object placing table, and the sensing arm is used for detecting whether a workpiece to be machined is placed on the lifting platform or not.
Further, the workpiece processing table is provided with a workpiece clamp, and the workpiece clamp is used for clamping a workpiece so that the spindle can process the workpiece conveniently.
In the automatic loading and unloading mechanism for CNC (computerized numerical control) processing of medical products, when workpieces are loaded, a plurality of workpieces to be processed are placed on the loading and placing table of the servo detection feeding assembly in batches, and the loading sensor detects whether the workpieces to be processed are stored on the loading and placing table; when a workpiece exists, the main shaft assembly drives the workpiece clamp assembly to be positioned above the feeding and placing table, and the workpiece clamp assembly sucks the workpiece to be machined and places the workpiece to be machined on the workpiece machining table for subsequent machining treatment; and when no workpiece exists, the processing mechanism enters a material waiting state. After the workpiece is machined, the spindle assembly drives the workpiece clamp assembly to the workpiece machining table, the workpiece clamp assembly grabs the workpiece, the spindle assembly drives the workpiece clamp assembly to the discharging object placing table, the workpiece clamp assembly places the machined assembly on the discharging object placing table, and then the machining mechanism enters the next product machining period. The servo detection feeding assembly automatically detects whether a workpiece needs to be machined, the workpiece clamp assembly automatically finishes feeding and discharging without manual clamping, the error of the workpiece adding position is reduced, the machining precision and the production efficiency of a product are improved, the quality consistency of the product is ensured, and the production and machining process is more flexible, simple and rapid; meanwhile, manual operation is reduced, production efficiency and operation safety are improved, the productivity is higher, meanwhile, the spindle assembly and the workpiece clamp assembly are driven by the X-axis module and the Z-axis module, the utilization rate of parts is improved, the structure of the machining mechanism is compact, the occupied area of production equipment is reduced, and production cost is saved. The product of the utility model has simple structure, easy production, low cost and convenient popularization.
Drawings
Fig. 1 is a schematic structural diagram of an automatic loading and unloading mechanism for CNC machining of medical products in an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a workpiece holder assembly of an automatic loading and unloading mechanism for CNC machining of medical products according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a servo detection feeding assembly of the automatic feeding and discharging mechanism for CNC processing of medical products according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1, 2 and 3, an automatic loading and unloading mechanism 100 for CNC machining of medical products according to an embodiment of the present invention is shown, including a servo detection feeding assembly 20, a workpiece fixture assembly 30, a spindle assembly 10 and a workpiece machining assembly 40, where the spindle assembly 10 includes a spindle 14, an X-axis module for controlling the spindle 14 to move horizontally, and a Z-axis module for controlling the spindle 14 to move vertically, and the workpiece fixture assembly 30 is fixedly mounted at the bottom of a sidewall of the spindle 14 and moves horizontally or vertically with the spindle 14; the detection feeding assembly comprises a feeding object placing table 21 and a discharging object placing table 22, and a feeding sensor 23 is arranged on one side of the feeding object placing table 21; the workpiece processing assembly 40 comprises a workpiece processing table 41, wherein the workpiece processing table 41 is arranged below the spindle 14; the workpiece fixture assembly 30 is used for conveying the workpiece to be machined from the loading and placing table 21 to the workpiece machining table 41, or conveying the machined workpiece from the workpiece machining table 41 to the unloading and placing table 22.
Specifically, during loading, workpieces to be processed are placed on the loading object placing table 21 in batches, the workpiece fixture assembly 30 is moved to the loading object placing table 21 by the X-axis module and the Z-axis module, after the workpieces to be processed are grabbed by the workpiece fixture assembly 30, the workpiece fixture assembly 30 is moved to the workpiece processing table 41 by the X-axis module and the Z-axis module, the workpieces to be processed are placed on the workpiece processing table 41 by the workpiece fixture assembly 30, and the workpieces to be processed are processed by the main shaft 14; after the workpiece is machined, the workpiece clamp assembly 30 grabs the workpiece, the X-axis module and the Z-axis module move the workpiece clamp assembly 30 to the discharging object placing table 22, and the workpiece clamp assembly 30 loosens the machined workpiece.
Specifically, the feeding sensor 23 is configured to sense whether a workpiece to be processed is placed above the feeding platform 21, and when the feeding sensor 23 detects that the workpiece to be processed is placed on the feeding platform 21, the workpiece fixture assembly 30 is in a working enabling state; when the feeding sensor 23 does not detect that the workpiece to be machined is placed on the feeding object placing table 21, the workpiece clamp assembly 30 is in a work stop state, and sends a prompt message to the outside.
Further, still include the workstation and locate equipment support 50 on the workstation, the X axle module includes X axle servo motor 11 and X axle ball screw 12, X axle ball screw 12 horizontal direction install in on the equipment support 50, X axle servo motor 11 drives the Z axle module is followed X axle ball screw 12 moves about.
Further, the Z-axis module comprises a main shaft 14 connecting plate, a Z-axis fixing piece, a Z-axis servo motor 13 and a Z-axis ball screw, the Z-axis fixing piece is arranged on the X-axis ball screw 12 and moves along the X-axis ball screw 12, the Z-axis ball screw is arranged on the Z-axis fixing piece in the vertical direction, the main shaft 14 connecting plate is arranged on the Z-axis ball screw, and the Z-axis servo motor 13 drives the main shaft 14 connecting plate to move up and down along the Z-axis ball screw. The spindle 14 is vertically installed on the spindle 14 connecting plate, the spindle 14 includes a spindle 14 rotating electrical machine and a tool mounting seat, and the tool mounting seat is arranged at the tail end of the spindle 14 rotating electrical machine and rotates under the control of the spindle 14 rotating electrical machine.
Further, work holder subassembly 30 fixed mounting in the lateral wall bottom of main shaft 14 connecting plate, work holder subassembly 30 includes sucking disc subassembly and clamping jaw 35 subassembly, the sucking disc subassembly includes vacuum chuck 33 and locates the sucking disc cylinder 34 of vacuum chuck 33 top, clamping jaw 35 subassembly includes a pair of relative clamping jaw 35 that sets up and locates the clamping jaw cylinder 36 of clamping jaw 35 top, clamping jaw cylinder 36 is used for controlling a pair of clamping jaw 35 opens and shuts. The workpiece clamp assembly 30 further comprises a clamp assembly cylinder 31, an output end of the clamp assembly cylinder 31 is provided with a clamp assembly connecting plate 32, the sucker assembly and the clamping jaw 35 assembly are fixedly installed on the clamp assembly connecting plate 32, and the clamp assembly cylinder 31 is used for controlling the sucker assembly and the clamping jaw 35 assembly to move up and down.
Specifically, the clamp assembly cylinder 31 finely adjusts the up-and-down moving distance of the sucker assembly and the clamping jaw 35 assembly, so that the sucker assembly and the clamping jaw 35 assembly can accurately grab a workpiece.
Further, the detecting and feeding assembly is fixedly mounted on the upright of the equipment bracket 50, and the feeding platform 21 and the feeding sensor 23 are arranged on the outer side of the discharging platform 22 in parallel. The feeding and placing table 21 comprises a lifting platform 211 and a lifting cylinder 212, and the lifting cylinder 212 is used for controlling the lifting platform 211 to ascend or descend. The feeding sensor 23 includes a sensing arm 231 disposed above the feeding platform 21, and the sensing arm 231 is used to detect whether a workpiece to be processed is placed on the lifting platform 211.
Specifically, when the sensing arm 231 detects a workpiece to be processed placed on the lifting platform 211, the workpiece clamp assembly 30 enters a loading working mode; when the workpiece fixture assembly 30 takes away a workpiece to be machined and the sensing arm 231 detects that there is no workpiece to be machined, the lifting cylinder 212 lifts the lifting platform 211 until the sensing arm 231 detects the workpiece to be machined, and waits for the workpiece fixture assembly 30 to enter the loading working mode again; when the lifting platform 211 reaches the maximum lifting position and the induction arm 231 detects that no workpiece to be machined exists, the detection feeding assembly enters a material waiting mode and sends information outwards.
Specifically, the sensing arm 231 may be an elastic member or a light scanning device, and is used for identifying whether a workpiece to be processed exists on the loading and placing table 21.
Specifically, the feeding sensor 23 may also adopt a gravity sensor, and determine whether the workpiece to be processed is placed on the feeding platform 21 by sensing the weight of the workpiece to be processed on the feeding platform 21.
Further, the workpiece processing table 41 has a workpiece holder thereon for clamping a workpiece to facilitate processing of the workpiece by the spindle 14.
Specifically, the workpiece processing assembly 40 further includes a Y-axis module 42, the Y-axis module 42 is disposed below the equipment support 50, the Y-axis module 42 includes a Y-axis servo motor and a Y-axis ball screw, the Y-axis ball screw is horizontally mounted on the worktable and is perpendicular to the mounting direction of the X-axis ball screw 12, and the Y-axis servo motor drives the workpiece processing table 41 to move back and forth.
Specifically, during loading, workpieces to be processed are placed on the loading object placing table 21 in batches, after the loading sensor 23 detects the workpieces to be processed on the loading object placing table 21, the workpiece clamp assembly 30 is moved to the position above the loading object placing table 21 by the X-axis module and the Z-axis module, the suction cup assembly is pressed to the workpieces to be processed by the clamp assembly cylinder 31, the vacuum suction cup 33 is driven by the suction cup cylinder 34 to suck the workpieces to be processed, the suction cup assembly is moved upwards by the clamp assembly cylinder 31, the workpiece clamp assembly 30 is moved to the position above the workpiece processing table 41 by the X-axis module and the Z-axis module, the suction cup assembly is moved downwards by the clamp assembly cylinder 31, the workpieces to be processed are stably placed on the workpiece processing table 41, the vacuum suction cup 33 is released by the suction cup cylinder 34, and the workpieces to be processed are clamped by the workpiece clamps on the workpiece processing table 41, the chuck assembly cylinder 31 moves the chuck assembly upward.
The lifting cylinder 212 lifts the lifting platform 211 until the sensing arm 231 detects the workpiece to be processed on the lifting platform 211.
After the workpiece is machined, the workpiece clamp assembly 30 is moved to the position above the workpiece machining table 41 by the X-axis module and the Z-axis module, the clamping jaw 35 assembly moves downwards by the clamp assembly cylinder 31, the clamping jaw 35 assembly is driven by the clamping jaw cylinder 36 to clamp the workpiece, the clamping jaw 35 assembly moves upwards by the clamp assembly cylinder 31, the workpiece clamp assembly 30 is moved to the position above the blanking object placing table 22 by the X-axis module and the Z-axis module, the clamping jaw 35 assembly moves downwards by the clamp assembly cylinder 31 to place the workpiece on the blanking object placing table 22, the clamping jaw 35 is loosened by the clamping jaw cylinder 36 to place the workpiece on the blanking object placing table 22, and the clamping jaw 35 assembly cylinder 31 moves upwards by the clamping jaw 35 assembly.
The lifting cylinder 212 lifts the lifting platform 211, when the lifting platform 211 is lifted to the highest position, the induction arm 231 does not detect that a workpiece to be machined is placed on the lifting platform 211, and the CNC machining mechanism enters a material waiting state.
In the automatic loading and unloading mechanism for CNC machining of medical products, when workpieces are loaded, a plurality of workpieces to be machined are placed on the loading and placing table 21 of the servo detection feeding assembly 20 in batch, and the loading sensor 23 detects whether the workpieces to be machined are stored on the loading and placing table 21; when a workpiece exists, the spindle assembly 10 drives the workpiece fixture assembly 30 to be positioned above the loading and placing table 21, and the workpiece fixture assembly 30 sucks the workpiece to be machined and places the workpiece to be machined on the workpiece machining table 41 for subsequent machining; and when no workpiece exists, the processing mechanism enters a material waiting state. After the workpiece is machined, the spindle assembly 10 drives the workpiece fixture assembly 30 to the workpiece machining table 41, the workpiece fixture assembly 30 grabs the workpiece, the spindle assembly 10 drives the workpiece fixture assembly 30 to the blanking object placing table 22, the workpiece fixture assembly 30 places the machined assembly on the blanking object placing table 22, and then the machining mechanism enters the next product machining period. The servo detection feeding assembly 20 automatically detects whether a workpiece needs to be machined, the workpiece clamp assembly 30 automatically finishes feeding and discharging without manual clamping, the error of the workpiece adding position is reduced, the machining precision and the production efficiency of a product are improved, the quality consistency of the product is ensured, and the production and machining process is more flexible, simple and rapid; meanwhile, manual operation is reduced, production efficiency and operation safety are improved, the productivity is higher, meanwhile, the spindle assembly 10 and the workpiece clamp assembly 30 are driven by the X-axis module and the Z-axis module, the utilization rate of parts is improved, the structure of a machining mechanism is compact, the occupied area of production equipment is reduced, and production cost is saved. The product of the utility model has simple structure, easy production, low cost and convenient popularization.
It should be noted that the present invention is not limited to the above-mentioned embodiments, and other changes and modifications can be made by those skilled in the art according to the spirit of the present invention, and all changes and modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. An automatic loading and unloading mechanism for CNC (computerized numerical control) machining of medical products is characterized by comprising a servo detection feeding assembly, a workpiece clamp assembly, a spindle assembly and a workpiece machining assembly, wherein the spindle assembly comprises a spindle, an X-axis module and a Z-axis module, the X-axis module controls the spindle to move horizontally, the Z-axis module controls the spindle to move vertically, and the workpiece clamp assembly is fixedly mounted at the bottom of the side wall of the spindle and moves horizontally or vertically with the spindle; the detection feeding assembly comprises a feeding object placing table and a discharging object placing table, and a feeding sensor is arranged on one side of the feeding object placing table; the workpiece processing assembly comprises a workpiece processing table, and the workpiece processing table is arranged below the main shaft; the workpiece clamp assembly is used for conveying the workpiece to be machined to the workpiece machining table from the feeding object placing table or conveying the machined workpiece to the discharging object placing table from the workpiece machining table.
2. The automatic loading and unloading mechanism for CNC machining of medical products of claim 1, further comprising a workbench and a device support arranged on the workbench, wherein the X-axis module comprises an X-axis servo motor and an X-axis ball screw, the X-axis ball screw is horizontally installed on the device support, and the X-axis servo motor drives the Z-axis module to move left and right along the X-axis ball screw.
3. The automatic loading and unloading mechanism for CNC machining of medical products of claim 2, wherein the Z-axis module includes a spindle connection plate, a Z-axis fixture, a Z-axis servo motor and a Z-axis ball screw, the Z-axis fixture is disposed on the X-axis ball screw and moves along the X-axis ball screw, the Z-axis ball screw is vertically installed on the Z-axis fixture, the spindle connection plate is disposed on the Z-axis ball screw, and the Z-axis servo motor drives the spindle connection plate to move up and down along the Z-axis ball screw.
4. The automatic loading and unloading mechanism for CNC machining of medical products of claim 3, wherein the spindle is vertically mounted on the spindle attachment plate, the spindle includes a spindle rotation motor and a tool mount, the tool mount is disposed at a distal end of the spindle rotation motor and rotates under control of the spindle rotation motor.
5. The automatic loading and unloading mechanism for CNC machining of medical products of claim 3, wherein the workpiece clamp assembly is fixedly installed at the bottom of the side wall of the spindle connecting plate, the workpiece clamp assembly comprises a suction cup assembly and a clamping jaw assembly, the suction cup assembly comprises a vacuum suction cup and a suction cup cylinder arranged above the vacuum suction cup, the clamping jaw assembly comprises a pair of oppositely arranged clamping jaws and a clamping jaw cylinder arranged above the clamping jaws, and the clamping jaw cylinder is used for controlling the pair of clamping jaws to be opened and closed.
6. The automatic loading and unloading mechanism for CNC machining of medical products of claim 5, wherein the workpiece clamp assembly further comprises a clamp assembly cylinder, an output end of the clamp assembly cylinder is provided with a clamp assembly connecting plate, the sucker assembly and the clamping jaw assembly are fixedly installed on the clamp assembly connecting plate, and the clamp assembly cylinder is used for controlling the sucker assembly and the clamping jaw assembly to move up and down.
7. The automatic loading and unloading mechanism for CNC machining of medical products of claim 2, wherein the detecting and feeding assembly is fixedly installed on a column of the equipment support, and the loading platform and the loading sensor are arranged on the outer side of the unloading platform in parallel.
8. The automated loading and unloading mechanism for CNC machining of medical products of claim 7, wherein the loading and unloading platform includes a lifting platform and a lifting cylinder, the lifting cylinder controlling the lifting platform to ascend or descend.
9. The automatic loading and unloading mechanism for CNC machining of medical products of claim 8, wherein the loading sensor comprises a sensing arm disposed above the loading platform, and the sensing arm is used for detecting whether a workpiece to be machined is placed on the lifting platform.
10. The automatic loading and unloading mechanism for CNC machining of medical products of claim 1, wherein the workpiece machining table has a workpiece holder thereon for clamping the workpiece to facilitate machining of the workpiece by the spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122769780.4U CN216971204U (en) | 2021-11-12 | 2021-11-12 | Automatic feeding and discharging mechanism for CNC (computer numerical control) machining of medical products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122769780.4U CN216971204U (en) | 2021-11-12 | 2021-11-12 | Automatic feeding and discharging mechanism for CNC (computer numerical control) machining of medical products |
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| CN216971204U true CN216971204U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122769780.4U Active CN216971204U (en) | 2021-11-12 | 2021-11-12 | Automatic feeding and discharging mechanism for CNC (computer numerical control) machining of medical products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850840A (en) * | 2022-07-07 | 2022-08-05 | 天津津亚电子有限公司 | BBG fixes a position lamination equipment |
-
2021
- 2021-11-12 CN CN202122769780.4U patent/CN216971204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850840A (en) * | 2022-07-07 | 2022-08-05 | 天津津亚电子有限公司 | BBG fixes a position lamination equipment |
| CN114850840B (en) * | 2022-07-07 | 2022-12-16 | 天津津亚电子有限公司 | BBG fixes a position lamination equipment |
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