Key processing machine

Abstract

The present invention discloses a key processing machine, including an automatic tool changing device, a tooth shape learning device, a fixture assembly and a base; the automatic tool changing device includes a frame structure, a cutter head, a turntable and a first motor group, the first motor group drives the turntable to rotate, and drives the cutter head located on the turntable to rotate; the tooth shape learning device includes a cutter head probe and a first transmission assembly, one end of the cutter head probe is a contact part for contacting the tooth shape of the original key, the first transmission assembly drives the cutter head probe to move, and then drives the contact part to move relative to the tooth shape of the original key; the fixture assembly includes a second motor group and a fixing device, the fixing device is used to fix the original key or the key blank, and the second motor group drives the fixing device to move horizontally; the base is equipped with a fixture assembly, an automatic tool changing device and a tooth shape learning device. The keys are processed and copied by the cooperation of the automatic tool changing device or the tooth shape learning device and the fixture assembly, which saves human resources and improves work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of key processing, in particular to a key processing machine. Background Art

[0002] As we all know, keys are indispensable items in people's daily lives. Key damage and loss are also common. Therefore, key duplication is an indispensable task. Currently, the commonly used key processing machines mainly include mechanical key processing machines and electronic key processing machines. Mechanical key processing machines mainly include detectors, which detect the outline of the original key, and then further process the blank key through a milling cutter; electronic key processing machines mainly use optical readers to replace detectors; when duplicating keys of different types or different tooth codes, both key processing machines often require manual reference positioning or manual tool replacement.

[0003] Under the current background of increasing industrial automation and the pursuit of intelligent manufacturing, the production efficiency of various commonly used mechanical or electronic key processing machines is no longer sufficient to meet the development needs of the times, and some processes in the production process require manual labor, which is extremely wasteful of human resources. Summary of the invention

[0004] The main purpose of the present invention is to provide a key processing machine which can improve manufacturing efficiency and save manpower.

[0005] In order to achieve the above object, the present invention proposes the following technical solution:

[0006] A key processing machine includes an automatic tool changing device, a tooth shape learning device, a fixture assembly and a base;

[0007] The automatic tool changing device comprises a frame structure, a cutter head, a turntable and a first motor group, wherein the turntable is provided with a plurality of cavities for placing the cutter head, the cutter head is mounted on the cavities, the turntable and the first motor group are mounted on the frame structure, and the first motor group drives the turntable to rotate, thereby driving the cutter head on the turntable to rotate;

[0008] The tooth profile learning device comprises a cutter head probe and a first transmission assembly, one end of the cutter head probe comprises a contact portion for contacting the tooth profile of an original key, the first transmission assembly drives the cutter head probe to move, thereby driving the contact portion to contact and move away from the tooth profile of the original key;

[0009] The fixture assembly includes a second motor group and a fixing device, wherein the fixing device is used to fix the original key or the key blank to be processed, and the second motor group drives the fixing device to move in a horizontal plane;

[0010] The automatic tool changing device and the tooth shape learning device are installed on the base, and the automatic tool changing device and the tooth shape learning device are respectively located on both sides of the fixture assembly, so that the automatic tool changing device or the tooth shape learning device learns the original key installed on the fixture assembly, or the automatic tool changing device or the tooth shape learning device processes the key blank that needs to be processed and is installed on the fixture assembly.

[0011] Furthermore, the automatic tool changing device further comprises a slide plate, a sliding plate and a base, the first motor group comprises a first motor, a second motor, a third motor and a fourth motor, and the tool head comprises a learning tool head and a processing tool head;

[0012] The base is provided with a slide groove, the sliding plate is slidably arranged in the slide groove, the fourth motor is arranged on the base, the frame structure is arranged on the rear side wall of the sliding plate, the transmission shaft of the fourth motor is connected to the frame structure, the fourth motor drives the frame structure to make the sliding plate slide up and down in the slide groove, and the turntable is arranged on the front side wall of the sliding plate;

[0013] The second motor is arranged on the frame structure, the transmission shaft of the second motor is provided with a driving gear, the rear end of the turntable is provided with a driven gear matching the driving gear, the driving gear is meshed and connected with the driven gear, the second motor drives the driving gear to rotate, and the driving gear drives the driven gear to rotate to rotate the turntable, the third motor is arranged on the frame structure, the slide plate is slidably arranged on the frame structure, the transmission shaft of the third motor is connected with the slide plate, the third motor drives the slide plate to slide on the frame structure, the first motor is arranged on the slide plate, the front end of the turntable is provided with a plurality of shaft head cavities, each shaft head cavity is provided with a shaft head, one end of the shaft head is provided with a learning tool head for learning the original key and a processing tool head for processing the key blank to be processed, the other end of the shaft head is provided with an external spline, the transmission shaft of the first motor is provided with an internal spline matching with the external spline, and through the matching of the external spline and the internal spline, the first motor drives a corresponding processing tool head to work.

[0014] Further, when the third motor drives the slide plate to slide in the first direction, the inner spline exits the engagement with the outer spline, and the second motor drives the turntable to rotate, so that the outer spline in one of the multiple shaft head cavities corresponds to the inner spline of the first motor.

[0015] Further, when the third motor drives the slide plate to slide in the second direction, wherein the second direction is opposite to the first direction, the external spline cooperates with the corresponding internal spline, the first motor drives a corresponding cutter head to work, and the fourth motor drives the sliding plate to slide in the slide groove, so that a corresponding cutter head processes the key.

[0016] Furthermore, the first transmission assembly includes a first shaft, a first transmission mechanism and a fifth motor. The fifth motor drives the first shaft to rotate through the first transmission mechanism. One end of the cutter head is connected to the first shaft, and the other end includes a contact portion for obtaining tooth shape data of an original key. When the first shaft drives the cutter head to move, the contact portion moves back and forth between a position matching the original key and a position away from the original key.

[0017] Furthermore, the first transmission assembly also includes a shaft sleeve and an end gear;

[0018] The shaft sleeve is fixedly mounted on the first shaft, and the end face of one end of the shaft sleeve is a toothed end face, and is adapted to the tooth shape of the end face gear;

[0019] One end of the end face gear is fixedly connected to the cutter head, and the end face of the other end is butted against the toothed end face of the shaft sleeve.

[0020] Further, the first transmission mechanism includes a rotating cam, a transmission block and a gear;

[0021] The transmission block includes a sleeve portion and a toothed portion, the sleeve portion is movably sleeved on the outer periphery of the rotating cam, the rotating cam is fixedly sleeved on one end of the fifth motor axis, the toothed portion is adapted to mesh with the tooth shape of the gear, and the gear is fixedly connected to the first shaft.

[0022] Further, the transmission block includes a semi-arc end surface;

[0023] The nesting portion is composed of two clamping arms extending outward from the transmission block;

[0024] The toothed portion is formed by a semi-arc end surface of the transmission block protruding outwardly and being matched with the gear.

[0025] Further, the fixing device includes a first mobile platform, a second mobile platform and a fixing fixture for fixing the original key or the key blank to be processed, the fixing fixture is installed and fixed on the first mobile platform, the first mobile platform is movably installed on the second mobile platform, and the second mobile platform is movably installed on the base;

[0026] When the first moving platform moves left and right in the horizontal direction close to or away from the tooth shape learning device along the second moving platform, the fixing fixture is driven to move in the horizontal direction;

[0027] When the second movable platform moves forward and backward along the horizontal direction of the base, the first movable platform and the fixing fixture are driven to move.

[0028] Further, the fixing fixture comprises a first fixture and a second fixture;

[0029] The first fixture clamping the original key or the key blank to be processed corresponds to the tooth shape learning device through the first mobile station and the second mobile station, so that the tooth shape learning device learns the original key and processes the key blank to be processed;

[0030] The second clamp that clamps another original key or the key blank to be processed corresponds to the automatic tool changing device through the first mobile station and the second mobile station, so that the automatic tool changing device can learn the other original key and process the key blank to be processed.

[0031] A key processing machine provided by the present invention has the beneficial effect that, through the cooperation of an automatic tool changing device or a tooth shape learning device and a fixture assembly, an original key and a key blank to be processed are placed in the fixture assembly, and after the tooth shape of the original key is learned by the tooth shape learning device or the automatic tool changing device, the key blank to be processed is processed, so that different types of keys can be processed, human resources are saved, and work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a structural schematic diagram of a key processing machine according to an embodiment of the present invention;

[0033] Figure 2 is a schematic structural diagram of an automatic tool changing device according to an embodiment of the present invention;

[0034] Figure 3 is a schematic structural diagram of a tooth shape learning device according to an embodiment of the present invention;

[0035] Figure 4 is a schematic structural diagram of a tooth shape learning device according to an embodiment of the present invention;

[0036] Figure 5 is a schematic structural diagram of a tooth shape learning device according to an embodiment of the present invention;

[0037] Figure 6 is a structural schematic diagram of a clamp assembly according to an embodiment of the present invention;

[0038] Figure 7 2 is a bottom view of a clamp assembly according to an embodiment of the present invention.

[0039] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0040] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0041] Those skilled in the art will appreciate that, unless expressly stated otherwise, the singular forms "a", "an", "said", "above", and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present invention refers to the presence of the features, integers, steps, operations, elements, units, modules, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and / or groups thereof. It should be understood that when we refer to an element as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element, or there may be intermediate elements. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein includes all or any unit and all combinations of one or more associated listed items.

[0042] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as generally understood by those skilled in the art in the art to which the present invention belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless specifically defined as herein.

[0043] Reference Figure 1-7 , a key processing machine, comprising an automatic tool changing device 100, a tooth shape learning device 200, a fixture assembly 300 and a base 400;

[0044] The automatic tool changing device 100 includes a frame structure 2, a cutter head 4, a turntable 3 and a first motor group. The turntable 3 is provided with a plurality of cavities 17 for placing the cutter head 4. The cutter head 4 is mounted on the cavity 17. The turntable 3 and the first motor group are mounted on the frame structure 2. The first motor group drives the turntable 3 to rotate, thereby driving the cutter head on the turntable 3 to rotate.

[0045] The tooth profile learning device 200 includes a cutter head probe 21 and a first transmission assembly. One end of the cutter head probe 21 includes a contact portion 23 for contacting the tooth profile of the original key. The first transmission assembly drives the cutter head probe 21 to move, thereby driving the contact portion 23 to contact and move away from the tooth profile of the original key.

[0046] The fixture assembly 300 includes a second motor group and a fixing device, the fixing device is used to fix the original key or the key blank to be processed, and the second motor group drives the fixing device to move on the water surface;

[0047] A clamp assembly 300, an automatic tool changing device 100 and a tooth shape learning device 200 are installed on the base 400, and the automatic tool changing device 100 and the tooth shape learning device 200 are respectively located on both sides of the clamp assembly 300, so that the automatic tool changing device 100 or the tooth shape learning device 200 learns the original key installed on the clamp assembly 300, or the automatic tool changing device 100 or the tooth shape learning device 200 processes the key blank that needs to be processed and installed on the clamp assembly 300.

[0048] The tooth shape learning device 200 learns the tooth shape of the original key, and matches the collected tooth shape data with the tooth shape code pre-stored in the database to obtain the cutter head corresponding to the successfully matched tooth shape code, and then controls the automatic tool changing device 100 to rotate so that the cutter head corresponding to the successfully matched tooth shape code corresponds to the key blank to be processed, so that the automatic tool changing device 100 can process the key blank to be processed.

[0049] In this embodiment, the key processing machine includes a plurality of components, which are composed of an automatic tool changing device 100 that can learn the original key and freely change the tool, a tooth shape learning device 200 that obtains the tooth shape data of the original key and automatically processes the key blank, and a fixture assembly 300 that fixes the original key and the key blank. The tooth shape learning device 200 includes a processing cutter disc for processing the key blank, and the cutter disc probe learns the tooth shape data of the original key and processes the key blank to be processed by using the processing cutter disc to obtain a duplicate key consistent with the original key. The automatic tool changing device 100 can also learn the tooth shape of the original key through the learning cutter head, and then process the key blank to be processed through the processing cutter head to obtain a duplicate key consistent with the original key. Among them, whether the original key is learned or the key blank to be processed is processed by the tooth shape learning device 200 or the automatic tool changing device 100, the original key or the key blank is installed and fixed on the fixture assembly 300.

[0050] The automatic tool changing device 100 includes a frame structure 2, a turntable 3, a cutter head 7 installed on the turntable 3, and a first motor group; wherein, a plurality of cavities 17 for placing the cutter heads 4 are arranged around the center line of the turntable 3, and the cutter heads 7 of different models are respectively installed in the cavities 17, and then the turntable 3 is driven to rotate by the first motor group to drive the cutter head 4 located on the turntable 3 to rotate, so as to realize the replacement of different cutter heads 4 to process the key blank.

[0051] The tooth profile learning device 200 includes a cutter head 21 for acquiring the tooth profile data of the original key and a first transmission assembly. One side of the cutter head 21 is a contact portion 23 for contacting the tooth profile of the original key. The cutter head 21 is driven by the first transmission assembly to move, so as to drive the contact portion 23 to contact or move away from the tooth profile of the original key to reciprocate, so as to record the tooth profile data of the original key. The processing cutter head of the tooth profile learning device 200 performs rough processing and fine processing on the key blank to be processed according to the tooth profile data to obtain a duplicate key consistent with the original key.

[0052] The fixture assembly 300 includes a second motor group and a fixing device, and the original key and the key blank to be processed are fixed by the fixing device. The automatic tool changing device 100 is vertically arranged on the base 400, and the turntable faces the fixture assembly 300, so that the tool head faces the fixture assembly 300; the fixture assembly 300 and the tooth shape learning device 200 are both arranged on the base 400; wherein, the automatic tool changing device 100 and the tooth shape learning device 200 are respectively installed on both sides of the fixture assembly 300, and the original key or the key blank to be processed is installed and fixed on the fixture assembly 300, and can be learned and processed by the automatic tool changing device 100 to obtain a duplicate key consistent with the original key; the original key or the key blank to be processed installed on the fixture assembly 300 can also be learned and processed by the tooth shape learning device 200 to obtain a duplicate key consistent with the original key. Two modes of key processing are set on a key processing machine, and different types of keys can be clamped and different learning methods and processing methods can be used to manufacture duplicate keys consistent with the original key.

[0053] like Figure 2As shown, in this embodiment, the automatic tool changing device 100 also includes a slide plate, a sliding plate 15 and a base 1, the first motor group includes a first motor 11, a second motor 12, a third motor 13 and a fourth motor 14, and the cutter head 4 includes a learning cutter head and a processing cutter head; the base 1 is provided with a slide groove 16, the sliding plate 15 is slidably arranged in the slide groove 16, the fourth motor 14 is arranged on the base 1, the frame structure 2 is arranged on the rear side wall of the sliding plate 15, the transmission shaft of the fourth motor 14 is connected to the frame mechanism 2, the fourth motor 14 drives the frame structure 2 to make the sliding plate 15 slide up and down in the slide groove 16, and the turntable 3 is arranged on the front side wall of the sliding plate 15; while the fourth motor 14 drives the sliding plate 15 to slide, the frame structure 12 arranged on the sliding plate 15 is also driven. In this embodiment, the upper and lower ends of the slide groove are respectively open structures, and the upper and lower ends of the sliding plate 15 can protrude from the upper and lower ends of the slide groove respectively and be exposed outside the slide groove.

[0054] In this embodiment, the sliding plate 15 is rectangular.

[0055] The frame structure 2 has a protrusion, which passes through the sliding plate 15 and is connected to the turntable 3. Specifically, the slide groove is provided with a first through hole for the protrusion to pass through, and the rear end of the turntable 3 is provided with a first groove, and the protrusion passes through the first through hole and is matched and connected with the first groove. When the turntable 3 rotates, it rotates with the protrusion as the axis.

[0056] The second motor 12 is arranged on the frame structure 2, and the transmission shaft of the second motor 12 is provided with a driving gear, and the rear end of the turntable 3 is provided with a driven gear matching the driving gear, and the driving gear is meshed and connected with the driven gear. The second motor 12 drives the driving gear to rotate, and the driving gear drives the driven gear to rotate to rotate the turntable. When the fourth motor 14 drives the sliding plate 15 to slide, the second motor 12 will also move because the second motor 12 is arranged on the frame structure 2. When the second motor 12 drives the turntable 3 to rotate, the turntable 3 rotates with the protrusion as the axis. In this embodiment, the diameter of the driving gear is smaller than the diameter of the driven gear.

[0057] The third motor 13 is arranged on the frame structure 2, the slide plate is slidably arranged on the frame structure, the transmission shaft of the third motor 13 is connected to the slide plate, the third motor 13 drives the slide plate to slide forward and backward on the frame structure 2 in the direction of the slide plate 15, the first motor 11 is arranged on the slide plate, the third motor 13 drives the slide plate to slide, and since the first motor 11 is arranged on the slide plate 14, the first motor 11 is driven to slide. The slide plate slides forward and backward in the direction of the slide plate 15, when the slide plate slides forward, the first motor 11 is brought close to the slide plate 15, and when the slide plate slides backward, the first motor 11 is moved away from the slide plate 15.

[0058] The front end of the turntable 3 is provided with a plurality of shaft head cavities 17, each shaft head cavity 17 is provided with a shaft head, one end of the shaft head is provided with a learning cutter head for learning the original key and a processing cutter head for processing the key blank to be processed, and the other end of the shaft head is provided with a first connecting piece, and the transmission shaft of the first motor 11 is provided with a second connecting piece that cooperates with the first connecting piece. Through the cooperation of the first connecting piece and the second connecting piece, the first motor 11 drives a corresponding cutter head 4 to work. The slide plate slides forward, and the second connecting piece extends into a shaft head cavity, so that the second connecting piece is matched and connected with the first connecting piece, and then the first motor 11 works, and a corresponding processing cutter head works through the second connecting piece, the first connecting piece, and the shaft head.

[0059] By rotating the turntable 3, different cutter heads 4 are switched to correspond to the first motor 11, and the cutter heads 4 are automatically switched, solving the problem of replacing the existing key processing tools manually. A learning cutter head is installed in the turntable 3, and after learning the original key with the learning cutter head, the turntable 3 is rotated to make the processing cutter head correspond to the key blank to be processed.

[0060] In this embodiment, when the third motor 13 drives the slide plate to slide in the first direction, the second connecting member withdraws from the cooperation with the first connecting member, and the second motor 12 drives the turntable 3 to rotate, so that the first connecting member in one of the multiple shaft head cavities 17 corresponds to the second connecting member of the first motor 11.

[0061] In this embodiment, when the third motor 13 drives the slide plate to slide in the second direction, wherein the second direction is opposite to the first direction, the first connecting member cooperates with the corresponding second connecting member, the first motor 11 drives a corresponding processing cutter head 4 to work, and the fourth motor 14 drives the sliding plate 15 to slide in the slide groove 16, so that a corresponding cutter head 4 processes the key blank. According to the linkage of the third motor 13, the first motor 11 and the fourth motor 12, the cutter head processes the key blank.

[0062] In this embodiment, the first connecting member may adopt an external spline, and the second connecting member may adopt an internal spline.

[0063] In this embodiment, the front end of the turntable 3 has a mounting portion with an inclined surface, and a plurality of shaft head cavities 17 are evenly arranged on the mounting portion, that is, the cutter head is located on the mounting portion, which facilitates the cutter head on the mounting disk 3 to process the key to be processed.

[0064] In this embodiment, two sides of the sliding plate 15 are provided with slide bars that cooperate with the slide groove 16. Through the cooperation of the slide bars and the slide groove 16, the sliding plate 15 can slide on the slide groove 16.

[0065] In this embodiment, a plurality of shaft head cavities 17 are arranged with uniform gaps, and a weight-reducing through hole 18 is arranged between every two shaft head cavities 17. The weight-reducing through hole 18 is arranged to reduce the weight of the turntable 3 and the power of the second motor 12.

[0066] In this embodiment, a light sensor is provided on the frame structure 2 , and a sensing sheet is provided on the slide plate. When the light sensor senses the sensing sheet, the light sensor limits the movement of the first motor 11 .

[0067] In this embodiment, an upper limit switch and a lower limit switch are respectively provided at the upper and lower ends of the base 1, and an upper limit plate and a lower limit plate are respectively provided at the upper and lower ends of the frame structure. When the upper limit switch senses the upper limit plate, the upper limit switch limits the upward sliding position of the sliding plate 15, and when the lower limit switch senses the lower limit plate, the lower limit switch limits the downward sliding position of the sliding plate. The upper limit switch senses the upper limit plate, limiting the maximum sliding position of the sliding plate 15 sliding upward, preventing the sliding plate 15 from sliding upward out of the slide groove 16. The lower limit switch senses the lower limit plate, limiting the maximum sliding position of the sliding plate 15 sliding downward, preventing the sliding plate 15 from sliding downward out of the slide groove 16.

[0068] In this embodiment, the machining tool heads of the multiple shaft head cavities 17 are of different types.

[0069] In this embodiment, the first motor 11 is an outer rotor motor, the second motor 12 is a stepper motor, the third motor 13 is a stepper motor, and the fourth motor 14 is a stepper motor.

[0070] like Figure 3-4 As shown, in this embodiment, the first transmission component of the tooth shape learning device 200 includes a first shaft, a first transmission mechanism and a fifth motor 27. The fifth motor 27 drives the first shaft to rotate through the first transmission mechanism. One end of the cutter head 21 is connected to the first shaft, and the other end includes a contact portion 23 for obtaining the tooth shape data of the original key. When the first shaft drives the cutter head 21 to move, the contact portion 23 moves back and forth between a position matching the original key and a position away from the original key.

[0071] In this embodiment, the tooth shape learning device 200 also includes a processing cutter disc 22, which is used to process the key blank to be processed. It is in the shape of a ratchet, and its ratchet teeth are used to contact the key blank, and the key blank is preliminarily processed by rapid rotation; the cutter disc probe 21 is used to obtain the tooth shape data of the original key, including a contact part 23, which is arranged at one end of the cutter disc probe 21, is semi-annular, and has an opening facing outward. The contact part 23 includes a conductive sheet, and the conductive sheet is arranged on the inner wall of the ring.

[0072] In this embodiment, each time the tooth shape data of the original key needs to be obtained, when the tooth shape learning is performed, the cutter head 21 is driven by the fifth motor 27 to rotate so that the contact part 23 is located at a position matching the original key. When the tooth shape data of the original key is obtained and the tooth shape learning is completed, the cutter head 21 is driven by the fifth motor 27 again, and the contact part 23 is rotated to a position away from the original key, so that the subsequent processing cutter head 22 can process the embryonic key.

[0073] In this embodiment, the tooth shape learning device 200 also includes a second transmission component, which includes a second shaft, a second transmission mechanism 29 and a sixth motor 24. The sixth motor 24 is preferably a DC brushless motor. The sixth motor 24 is connected to the second transmission mechanism, and the second transmission mechanism is connected to the second shaft. When the tooth shape data of the original key is obtained, the cutter head 21 is away from the position of the original key. The tooth shape data of the original key is processed so that the matching key to be processed can be processed later. By starting the sixth motor 24, the second transmission mechanism is driven to drive the second shaft to rotate, wherein the processing cutter disc 22 is fixedly mounted on the second shaft to make the second shaft rotate, and the processing cutter disc 22 also rotates. When the ratchet of the processing cutter disc 22 contacts the embryo key, the key embryo will be preliminarily processed.

[0074] Specifically, the above-mentioned second transmission mechanism is a belt transmission mechanism, which is arranged at the top of the second shaft and the sixth motor 24, and the two are driven by a belt. In this embodiment, one end of the second shaft is connected to the processing cutter disc 22, and the other end is connected to the belt transmission mechanism, that is, the belt transmission mechanism is located at the end away from the processing cutter disc 22.

[0075] Compared with the traditional tooth shape learning device, the tooth shape learning device 200 provided above does not require the use of an additional reference calibration structure, nor does it require additional manual operation, and is more convenient and efficient to use; and it is no longer a vertical milling or horizontal milling cutter processing method, but can realize tooth shape learning and key processing on the side, which has higher flexibility in use and higher overall learning accuracy.

[0076] In one embodiment, in order to make the parts of the second transmission assembly more stable, the second transmission assembly further includes a fixed plate 25, the second shaft 26 and the sixth motor 24 are axially arranged parallel to each other and are both placed on the same side of the fixed plate 25, one end of the second shaft 26 and one end of the axis of the sixth motor 24 both pass through the fixed plate 25 vertically and are connected to the other side of the fixed plate 25 through the second transmission mechanism, that is, the second transmission mechanism and the sixth motor 24 are respectively placed on both sides of the fixed plate 25.

[0077] In one embodiment, the above-mentioned first transmission assembly also includes a sleeve 30 and an end face gear 28. The first shaft is axially arranged parallel to the fifth motor 27. The sleeve 30 is fixedly sleeved on the first shaft. One end face of the sleeve 30 is a toothed end face, which is adapted to the tooth shape of the end face gear 28. One end of the end face gear 28 is fixedly connected to the connecting end of the cutter head 21, and the end face of the other end is adapted to be connected with the toothed end face of the sleeve 30, that is, the toothed end of the end face gear 28 is connected to the sleeve 30. When the first shaft drives the sleeve 30 to rotate, the sleeve 30 drives the cutter head 21 to rotate through the end gear 28. In this embodiment, the sleeve 30 is sleeved on the first shaft, and one end extends outside the first shaft to connect with the toothed end face. In another embodiment, the first shaft is fixed to the key processing machine, the sleeve 30, the end gear 28 and the cutter head 21 are all sleeved on the first shaft, and can rotate around the first shaft. The first transmission mechanism drives the sleeve, the sleeve 30 drives the end gear 28, and the end gear 28 drives the cutter head 21 to realize the cutter head 21 to go back and forth between the position matching the original key and the position away from the original key.

[0078] In one embodiment, the first transmission mechanism 32 includes a rotating cam 321, a transmission block 322 and a gear 323. The transmission block 322 includes a sleeve portion and a toothed portion, wherein the sleeve portion is movably sleeved on the outer periphery of the rotating cam 321, that is, the two can move relative to each other. The rotating cam 321 has a smooth protrusion. The rotating cam 321 is fixedly sleeved on one end of the axis of the fifth motor 27, and the protrusion contacts the inner wall of the sleeve portion. When the fifth motor 27 is working, its axis drives the rotating cam 321. Since the rotating cam 321 has a protrusion, when the rotating cam 321 rotates, the transmission block 32 is driven through the sleeve portion. 2. The toothed portion of the transmission block 322 is adapted to mesh with the toothed portion of the gear 323 so that the two can rotate relative to each other. The gear 323 is fixedly connected to the first shaft 36. When the gear 323 moves, it drives the first shaft 36. Preferably, the gear 323 is a sector gear, and the corresponding toothed portion of the transmission block 322 can be a sector toothed portion adapted to the sector gear. Specifically, the transmission block 322 includes a sheet-like semi-cylindrical body, and the side of the semi-cylindrical body is the semi-arc end face of the body, wherein the toothed portion is formed by the semi-arc end face of the body protruding outwardly and adapted to the gear 323, and the extension width of the toothed portion corresponds to the sector gear. In this embodiment, the sleeve portion is composed of two clamping arms extending outward from one end of the body opposite to the semi-arc end face, and the clamping arms are sleeved on the outer periphery of the rotating cam 321.

[0079] In one embodiment, the tooth shape learning device 200 also includes a first sensor, which is arranged between the cutter head 21 and the sixth motor 24. When the cutter head 21 moves toward the original key and moves to a position matching the original key, the first transmission detects whether the cutter head 21 is in place at this time, that is, whether the cutter head 21 reaches a preset position. If it is not detected in place, the cutter head 21 can be adjusted, so that the original tooth shape data with accurate changes can be obtained.

[0080] In one embodiment, the tooth shape learning device 200 further includes a second sensor, which is disposed beside the first transmission mechanism 32. In this embodiment, the second sensor can be disposed between the belt transmission mechanism and the rotating cam 321. The second sensor is used to detect the position of the rotating cam 321, and judge whether the cutter head 21 is in place when it is far away from the original key by the position of the rotating cam 321.

[0081] The first sensor and the second sensor may be position detection sensors, which is not limited here.

[0082] In another embodiment, the tooth shape learning device 200 of the key processing machine further includes a frame, a motor bracket 33, a bearing gasket 34, and a combined concave wheel 35; the frame is arranged on the key processing machine and is close to the position of the fixture assembly 300. Specifically, the frame has a second opening groove adapted to the second transmission assembly, and a first opening groove adapted to the first transmission assembly, and the two opening grooves are arranged with concave and convex intervals. The second transmission assembly is placed in the second opening groove and fixed on the frame, and the first transmission assembly is placed in the first opening groove and fixed on the frame, wherein the first axis 36 extends through the side wall of the first opening groove to the side and connects to the cutter head probe 21, so that the cutter head probe 21 is located on the side of the first opening groove, so that the above device is fixed on the key processing machine.

[0083] Reference Figure 3-5 The motor bracket 33 includes a motor connecting portion 331 and a frame connecting portion 332. In this embodiment, the motor connecting portion 331 and the frame connecting portion 332 are respectively two vertically connected plate-shaped. The motor connecting portion 331 is movably mounted on the axis of the fifth motor 27, and the frame connecting portion 332 is fixedly connected to the frame.

[0084] In order to further stabilize the first transmission assembly, two combined cam wheels 35 are provided in a tubular shape, one of which is sleeved on the outer periphery of the first shaft 36 and placed between the sleeve 30 and the gear 323, and the other is sleeved on the outer periphery of the axis of the fifth motor 27 and placed between the motor bracket 33 and the first transmission mechanism 32. The above-mentioned bearing gasket 34 is sleeved on the axis of the first motor 27 and is arranged between the motor bracket 33 and the combined cam wheel 35.

[0085] In this embodiment, one side of the transmission block 322 is semi-arc-shaped; the nesting portion is composed of two clamping arms extending outward from the transmission block 322; the toothed portion is formed by the semi-arc-shaped end face of the transmission block 322, which protrudes outward and is adapted to the gear 323.

[0086] like Figure 6-7 As shown, in this embodiment, the fixing device includes a first movable table 305, a second movable table 304 and a fixing fixture for fixing the original key or the key blank to be processed, the fixing fixture is installed and fixed on the first movable table 305, the first movable table 305 is movably installed on the second movable table 304, and the second movable table 304 is movably installed on the base 400; when the first movable table 305 moves left and right in the horizontal direction of the second movable table 304 close to or away from the tooth shape learning device 200, the fixing fixture is driven to move in the horizontal direction; when the second movable table 304 moves forward and backward in the horizontal direction of the base 400, the first movable table 305 and the fixing fixture are driven to move. A stepper motor is provided at the bottom of the clamp assembly 300 to drive the fixing device in the clamp assembly 300 to slide along the horizontal plane, so that the blank key to be processed clamped by the clamp assembly 300 cooperates with the cutter head 4 on the automatic tool changing device 100 to realize key processing; at the same time, the original key clamped by the clamp assembly 300 cooperates with the cutter head 21 on the tooth shape learning device 200 to realize key tooth shape learning, and then the key blank to be processed is processed by the processing cutter head 22 in the tooth shape learning device 200 to form a copy key consistent with the original key.

[0087] In this embodiment, the fixed fixture includes a first fixture 303 and a second fixture 313; the first fixture 303 holding the original key or the key blank to be processed corresponds to the tooth shape learning device 200 through the first moving platform 305 and the second moving platform 304, so that the tooth shape learning device 200 can learn the original key and process the key blank to be processed; the second fixture 313 holding another original key or the key blank to be processed corresponds to the automatic tool changing device 100 through the first moving platform 305 and the second moving platform 304, so that the automatic tool changing device 100 can learn another original key and process the key blank to be processed. The first moving platform 305 can drive the first fixture 303 and the second fixture 313 to move horizontally forward and backward, and the second moving platform 304 can drive the first moving platform 305 to move horizontally left and right, wherein the horizontal movement approaching or moving away from the tooth shape learning device 200 is the left and right horizontal movement, and the horizontal movement perpendicular to the left and right horizontal movement is the front and back horizontal movement.

[0088] The second motor group includes a seventh motor 302 and an eighth motor 312, wherein the seventh motor 302 and the screw 301 form a first screw stepper motor, and the eighth motor 312 and the screw 311 form a second screw stepper motor. The second movable platform 304 is driven to move by the first screw stepper motor, and the first movable platform 305 is driven to move by the second screw stepper motor, so that the first fixture 303 corresponds to the tooth shape learning device 200 or the second fixture 313 corresponds to the automatic tool changing device 100.

[0089] In this embodiment, the first clamp 303 and the second clamp 313 are cylindrical clamps, both of which can rotate along their central axes. The surfaces of the clamps facing different directions are provided with different tooth shapes to clamp different types of keys. After different surfaces clamp different types of keys, they are respectively matched with the automatic tool changing device 100 or the tooth shape learning device 200 to achieve learning and processing of different types of keys. A rotating motor is provided at the bottom of the first clamp 303, and the first clamp 303 is driven to rotate by the rotating motor. A rotating motor is also provided at the bottom of the second clamp 313, and the second clamp 313 is driven to rotate by the rotating motor.

[0090] The key processing machine of the present invention places the original key and the key blank to be processed in the fixture assembly 300 through the cooperation of the automatic tool changing device 100 or the tooth shape learning device 200 and the fixture assembly 300. After learning the tooth shape of the original key using the tooth shape learning device 200 or the automatic tool changing device 100, the key blank to be processed is processed, so as to realize fully automatic processing of different types of keys, save human resources, and improve work efficiency.

[0091] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A key processing machine, characterized in that: It includes an automatic tool changing device, a tooth shape learning device, a fixture assembly and a base; The automatic tool changing device comprises a frame structure, a cutter head, a turntable and a first motor group, wherein the turntable is provided with a plurality of cavities for placing the cutter head, the cutter head is mounted on the cavities, the turntable and the first motor group are mounted on the frame structure, and the first motor group drives the turntable to rotate, thereby driving the cutter head on the turntable to rotate; The tooth profile learning device comprises a cutter head probe and a first transmission assembly, one end of the cutter head probe comprises a contact portion for contacting the tooth profile of an original key, the first transmission assembly drives the cutter head probe to move, thereby driving the contact portion to contact and move away from the tooth profile of the original key; The fixture assembly includes a second motor group and a fixing device, wherein the fixing device is used to fix the original key or the key blank to be processed, and the second motor group drives the fixing device to move in a horizontal plane; The base is provided with the fixture assembly, the automatic tool changing device and the tooth shape learning device, and the automatic tool changing device and the tooth shape learning device are respectively located on both sides of the fixture assembly, so that the automatic tool changing device or the tooth shape learning device is installed on the original key on the fixture assembly, or the automatic tool changing device or the tooth shape learning device processes the key blank to be processed and installed on the fixture assembly; The first transmission assembly includes a first shaft, a first transmission mechanism and a fifth motor. The fifth motor drives the first shaft to rotate through the first transmission mechanism. One end of the cutter head is connected to the first shaft, and the other end includes a contact portion for obtaining the tooth shape data of the original key. When the first shaft drives the cutter head to move, the contact portion moves back and forth between a position matching the original key and a position away from the original key. The first transmission assembly also includes a shaft sleeve and an end gear; The shaft sleeve is fixedly mounted on the first shaft, and the end face of one end of the shaft sleeve is a toothed end face, and is adapted to the tooth shape of the end face gear; One end of the face gear is fixedly connected to the cutter head, and the end face of the other end is butted against the toothed end face of the sleeve; The first transmission mechanism includes a rotating cam, a transmission block and a gear; The transmission block comprises a sleeve portion and a toothed portion, the sleeve portion is movably sleeved on the outer periphery of the rotating cam, the rotating cam is fixedly sleeved on one end of the shaft of the fifth motor, the toothed portion is adapted to mesh with the toothed shape of the gear, and the gear is fixedly connected to the first shaft; The transmission block includes a semi-arc end surface; The nesting portion is composed of two clamping arms extending outward from the transmission block; The toothed portion is formed by a semi-arc end surface of the transmission block protruding outwardly and being matched with the gear.

2. The key processing machine according to claim 1, characterized in that: The automatic tool changing device further comprises a slide plate, a sliding plate and a base, the first motor group comprises a first motor, a second motor, a third motor and a fourth motor, and the tool head comprises a learning tool head and a processing tool head; The base is provided with a slide groove, the sliding plate is slidably arranged in the slide groove, the fourth motor is arranged on the base, the frame structure is arranged on the rear side wall of the sliding plate, the transmission shaft of the fourth motor is connected to the frame structure, the fourth motor drives the frame structure to make the sliding plate slide up and down in the slide groove, and the turntable is arranged on the front side wall of the sliding plate; The second motor is arranged on the frame structure, the transmission shaft of the second motor is provided with a driving gear, the rear end of the turntable is provided with a driven gear matching the driving gear, the driving gear is meshed and connected with the driven gear, the second motor drives the driving gear to rotate, and the driving gear drives the driven gear to rotate to rotate the turntable, the third motor is arranged on the frame structure, the slide plate is slidably arranged on the frame structure, the transmission shaft of the third motor is connected with the slide plate, the third motor drives the slide plate to slide on the frame structure, the first motor is arranged on the slide plate, a plurality of shaft head cavities are provided at the front end of the turntable, each shaft head cavity is provided with a shaft head, one end of the shaft head is provided with a learning tool head for learning the original key and a processing tool head for processing the key blank to be processed, the other end of the shaft head is provided with a first connecting piece, the transmission shaft of the first motor is provided with a second connecting piece matching with the first connecting piece, and through the cooperation of the first connecting piece and the second connecting piece, the first motor drives a corresponding processing tool head to work.

3. The key processing machine according to claim 2, characterized in that: When the third motor drives the slide plate to slide in the first direction, the second connecting member withdraws from the cooperation with the first connecting member, and the second motor drives the turntable to rotate, so that the first connecting member in one of the multiple shaft head cavities corresponds to the second connecting member of the first motor.

4. The key processing machine according to claim 3, characterized in that: When the third motor drives the slide plate to slide in the second direction, wherein the second direction is opposite to the first direction, the first connecting member cooperates with the corresponding second connecting member, the first motor drives a corresponding cutter head to work, and the fourth motor drives the sliding plate to slide in the sliding groove, so that a corresponding cutter head processes the key.

5. The key processing machine according to claim 1, characterized in that: The fixing device comprises a first mobile platform, a second mobile platform and a fixing fixture for fixing the original key or the key blank to be processed, the fixing fixture is installed and fixed on the first mobile platform, the first mobile platform is movably installed on the second mobile platform, and the second mobile platform is movably installed on the base; When the first moving platform moves left and right in the horizontal direction close to or away from the tooth shape learning device along the second moving platform, the fixing fixture is driven to move in the horizontal direction; When the second movable platform moves forward and backward along the horizontal direction of the base, the first movable platform and the fixing fixture are driven to move.

6. The key processing machine according to claim 5, characterized in that: The fixing fixture comprises a first fixture and a second fixture; The first fixture clamping the original key or the key blank to be processed corresponds to the tooth shape learning device through the first mobile station and the second mobile station, so that the tooth shape learning device learns the original key and processes the key blank to be processed; The second clamp that clamps another original key or the key blank to be processed corresponds to the automatic tool changing device through the first mobile station and the second mobile station, so that the automatic tool changing device can learn the other original key and process the key blank to be processed.

Images