Automatic machining and detecting device for external threads of rotating shaft formed by metal powder injection molding

Abstract

The utility model discloses an automatic processing and detecting device for external threads of a rotating shaft formed by injection molding of metal powder, and relates to the technical field of processing and detecting devices for rotating shafts, the automatic processing and detecting device for the external threads of the rotating shaft formed by injection molding of the metal powder is characterized in that a first rotating piece and a first pushing piece are started; the first pushing piece drives the threading die piece to move close to the extending part, so that automatic tapping work on the outer surface of the extending part of the rotating shaft is completed, after tapping is completed, the extending part of the rotating shaft subjected to tapping machining is right opposite to the detection head, the second fixing assembly is adjusted to stably fix the rotating shaft to the fixing block, then the second rotating piece and the second pushing piece are started, and tapping is completed. And when the second rotating piece drives the detection head to rotate, the second pushing piece drives the detection head to move close to the extension part until the extension part completely enters the internal threaded hole of the detection head, and the product is a good product, so that tapping processing of the rotating shaft and automatic detection work after tapping processing are continuously completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotating shaft processing detection device technical field especially relates to a kind of automatic processing detection devices of outer thread of metal powder injection molding rotating shaft. BACKGROUND

[0002] Powder metallurgy is the process technology of preparing metal powder or using metal powder (or mixture of metal powder and non-metal powder) as raw material, through forming and sintering, to manufacture metal materials, composite materials and various types of products, powder metallurgy includes production of powder, pressing, sintering and post-processing steps, after the forming of some powder metallurgy products (such as special-shaped notebook computer rotating shafts), further processing is needed.

[0003] For example, tapping the outer wall of the powder metallurgy workpiece, and after tapping processing, detection is needed after tapping processing to ensure that the final sales are all good products, and there is currently no equipment that can continuously tap and detect powder metallurgy rotating shafts. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an automatic processing detection device for the outer thread of the rotating shaft of metal powder injection molding, to solve the problem that there is currently no equipment that can continuously tap and detect powder metallurgy rotating shafts.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: an automatic processing detection device for the outer thread of the rotating shaft of metal powder injection molding, the rotating shaft includes a base part and an extension part connected as one, and the processing detection device includes:

[0006] A turntable;

[0007] At least two fixed blocks are circumferentially arranged on the top surface of the turntable, and the rotating shaft is located on the fixed blocks;

[0008] A tapping mechanism includes a tap, a first rotating member, a first pushing member and a first fixing assembly fixed to the base part of the rotating shaft, the first rotating member drives the tap to rotate and tap the outer wall of the extension part to form an external thread, and the first pushing member drives the tap to move close to or away from the extension part;

[0009] A detection mechanism includes a detection head, a second rotating member, a second pushing member and a second fixing assembly fixed to the base part of the rotating shaft, the detection head is provided with an internal thread hole adapted to the external thread of the extension part at one end thereof, the second rotating member drives the detection head to rotate and screw with the extension part, and the second pushing member drives the detection head to move close to or away from the extension part.

[0010] Preferably, the detection mechanism further comprises a first alarm assembly, the first alarm assembly comprises a first detector and a first prompter, the first detector is electrically connected with the first prompter, the first detector is provided with a first contact switch, one end of the first contact switch is fixedly provided with a first fixed plate, and the second pushing piece drives the detection head to move close to the extension part until the detection head is in contact with the first fixed plate.

[0011] Preferably, the fixing block has four, the processing detection device further comprises a deformation testing mechanism, the tapping mechanism, the detection mechanism and the deformation testing mechanism are opposite to one fixing block respectively, the deformation testing mechanism comprises a detection jig and a third pushing piece, the detection jig is provided with a groove matched with the extension part at one end of the fixing block, and the third pushing piece drives the detection jig to move close to or away from the extension part.

[0012] Preferably, the deformation testing mechanism further comprises a second alarm assembly, the second alarm assembly comprises a second detector and a second prompter, the second detector is electrically connected with the second prompter, the second detector is provided with a second contact switch, the detection jig is fixedly provided with a second fixed plate on the outer wall, and the third pushing piece drives the detection jig to move close to the extension part until the second fixed plate is in contact with the second contact switch.

[0013] Preferably, the top surface of the base portion is provided with a through hole, the top surface of the fixing block is provided with a top groove matched with the base portion, and a plurality of positioning columns matched with the through hole are fixedly installed on the inner wall bottom surface of the top groove.

[0014] Preferably, the deformation testing mechanism further comprises a second fixing assembly, the second fixing assembly comprises a fifth pushing piece, a second movable plate and an electromagnet, the output end of the fifth pushing piece is fixedly connected with the second movable plate, the bottom end of the second movable plate is fixedly installed with the electromagnet, and the electromagnet is located directly above the fixing block.

[0015] Preferably, the deformation testing mechanism and the detection mechanism both comprise a blanking piece, the blanking piece is an air pipe, the air pipe is located on one side of the electromagnet and above the fixing block.

[0016] Compared with the prior art, the utility model discloses the following beneficial effects:

[0017] The rotating shaft to be processed is placed on the fixed block, the rotating disc is adjusted to rotate to drive the fixed block to rotate, the extension of the rotating shaft to be measured on the fixed block is opposite to the die piece, the rotating shaft is fixed on the fixed block through the first fixing assembly, then the first rotating member and the first pushing member are simultaneously driven, the first rotating member drives the die piece to rotate, and the first pushing member drives the die piece to move close to the extension, so that the automatic tapping work on the outer surface of the extension of the rotating shaft is completed, after the tapping is completed, the first fixing assembly is adjusted to no longer fix the rotating shaft, the rotating disc is driven to rotate again, the extension of the rotating shaft tapped is opposite to the detection head, the second fixing assembly is adjusted to stably fix the rotating shaft on the fixed block, then the second rotating member and the second pushing member are simultaneously driven, the second rotating member drives the detection head to rotate, and the second pushing member drives the detection head to move close to the extension until the extension is completely in the internal thread hole of the detection head, so that it is a good product, so that the tapping work on the rotating shaft and the automatic detection work after the tapping work are continuously completed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a tapping mechanism and fixed block structure schematic view of the utility model;

[0020] Figure 3 It is a detection mechanism structure schematic view of the utility model;

[0021] Figure 4 It is a first alarm assembly structure schematic view of the utility model;

[0022] Figure 5 It is a deformation test mechanism structure schematic view of the utility model;

[0023] Figure 6 It is a second alarm assembly structure schematic view of the utility model;

[0024] Figure 7 It is a rotating shaft and fixed block structure schematic view;

[0025] Wherein: 1, rotating disc; 2, fixed block; 21, top groove; 22, positioning column; 3, tapping mechanism; 31, first rotating piece; 32, die piece; 33, first pusher; 34, first vertical plate; 35, fourth pusher; 36, first movable plate; 37, pressing plate; 4, detection mechanism; 41, second rotating piece; 42, detection head; 43, second pusher; 44, second vertical plate; 45, first alarm assembly; 451, first detector; 452, first contact switch; 453, first fixed plate; 5, deformation test mechanism; 51, third pusher; 52, detection jig; 521, groove; 53, second fixed plate; 54, second alarm assembly; 541, second detector; 542, second contact switch; 6, collection box; 7, second fixed assembly; 71, fifth pusher; 72, second movable plate; 73, electromagnet; 8, rotating shaft; 81, base body; 811, through hole; 82, extension; 9, blanking piece. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all, based on the embodiments in the embodiments, other embodiments obtained by the person skilled in the art without making creative labor all belong to the protection scope of the utility model.

[0027] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, and for the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] As Figures 1-3The utility model provides a metal powder injection molding's rotation axis outer thread automatic processing detection device, rotation axis 8 includes the base body part 81 and extension 82 of being connected as a whole, and processing detection device includes carousel 1, at least two fixed blocks 2, tapping mechanism 3 and detection mechanism 4,

[0030] Fixed block 2 equidistance circumferentially is located on the top surface of carousel 1, and rotation axis 8 is located on fixed block 2;

[0031] Tapping mechanism 3 includes die stock 32 (for existing standard parts), first rotating part 31 (here can be motor), first pusher 33 (here can be cylinder) and the first fixed assembly of the base body part 81 fixed to rotation axis 8, and the output end of first pusher 33 is fixedly connected with first vertical plate 34, and first rotating part 31 is fixed on first vertical plate 34, and the output end of first rotating part 31 is fixedly connected with die stock 32, and first rotating part 31 drives die stock 32 to rotate and forms outer thread on the outer wall of extension 82, and first pusher 33 drives die stock 32 to move close to or away from extension 82;

[0032] The first fixed assembly here includes fourth pusher 35 (here can be provided as cylinder, fixed with first vertical plate 34), first movable plate 36 and pressing plate 37, when the rotation axis 8 to be processed is placed on fixed block 2, and rotation axis 8 is located directly below pressing plate 37, drive fourth pusher 35 to drive first movable plate 36 to move downwards, thereby drive pressing plate 37 to move downwards, make pressing plate 37 press tightly the base body part 81 of rotation axis 8, thereby complete the fixation of rotation axis 8;

[0033] Detection mechanism 4 includes detection head 42, second rotating part 41 (here can be motor), second pusher 43 (here can be cylinder) and the second fixed assembly 7 of the base body part 81 fixed to rotation axis 8, and the output end of second pusher 43 is fixedly connected with second vertical plate 44, and second vertical plate 44 is fixed with second rotating part 41, and the output end of second rotating part 41 is fixedly connected with detection head 42, and detection head 42 is directly opposite the one end of extension 82 and is provided with internally threaded hole that is adapted with the outer thread of extension 82, and second rotating part 41 drives detection head 42 to rotate and is screwed with extension 82, and second pusher 43 drives detection head 42 to move close to or away from extension 82;

[0034] When using, the rotation axis 8 to be processed is placed on fixed block 2, and carousel 1 is adjusted to rotate and make it drive fixed block 2 to rotate, make the extension 82 of the rotation axis 8 to be measured on fixed block 2 directly opposite die stock 32, fixed block 2 is fixed with rotation axis 8 through first fixed assembly, guarantee the stable tapping work of rotation axis 8, then simultaneously start first rotating part 31 and first pusher 33, first rotating part 31 drives die stock 32 to rotate, and first pusher 33 drives die stock 32 to move close to extension 82, thereby complete the automatic tapping work on the outer surface of extension 82 of rotation axis 8.

[0035] After the tapping is completed, the first fixing assembly is adjusted to no longer fix the rotating shaft 8, the rotating disc 1 is driven to rotate again, the extension part 82 of the tapping processed rotating shaft 8 is opposite to the detection head 42, the second fixing assembly 7 is adjusted to stably fix the rotating shaft 8 on the fixing block 2, then the second rotating part 41 and the second pushing part 43 are simultaneously driven, the second rotating part 41 drives the detection head 42 to rotate, and the second pushing part 43 drives the detection head 42 to move close to the extension part 82, until the extension part 82 is completely in the internal thread hole of the detection head 42, which indicates that it is a good product, thereby continuously completing the tapping processing of the rotating shaft 8 and the automatic detection work after the tapping processing.

[0036] As shown in Figure 3 and Figure 4 , the detection mechanism 4 further comprises a first alarm assembly 45, the first alarm assembly 45 comprises a first detector 451 (herein set as a travel switch) and a first prompter (not shown in the figure, the first prompter can be an LED lamp or a sound box, which can emit light or sound after receiving a qualified signal), the first detector 451 is electrically connected with the first prompter, the first detector 451 is provided with a first contact switch 452, one end of the first contact switch 452 is fixedly provided with a first fixed plate 453, the second pushing part 43 drives the detection head 42 to move close to the extension part 82 until the detection head 42 contacts with the first fixed plate 453;

[0037] When the detection head 42 gradually moves close to the rotating shaft 8 until the extension part 82 is completely in the internal thread hole of the detection head 42, the detection head 42 contacts with the first fixed plate 453 at this time, thereby triggering the first contact switch 452, the first detector 451 sends a signal to the first prompter, which is convenient for people to quickly know that a qualified good product is detected.

[0038] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , the fixing block 2 has four, the processing and detection device further comprises a deformation testing mechanism 5, the tapping mechanism 3, the detection mechanism 4 and the deformation testing mechanism 5 are respectively opposite to one fixing block 2, the deformation testing mechanism 5 comprises a detection jig 52 and a third pushing part 51 (herein can be set as a pneumatic cylinder), the detection jig 52 is provided with a groove 521 which is adapted to the extension part 82 at one end opposite to the fixing block 2, the third pushing part 51 drives the detection jig 52 to move close to or away from the extension part 82;

[0039] Here are four fixed blocks 2 as an example, one of which is empty, which is convenient for people to take and place the rotating shaft 8, and before tapping work, by setting the deformation test mechanism 5, the extension 82 of the rotating shaft 8 is ensured not to be deformed, so as to ensure normal tapping work. After the rotating shaft 8 is placed on the fixed block 2, the rotating shaft 8 is adjusted to rotate the disc 1, so that the extension 82 of the rotating shaft 8 is opposite to the groove 521, and then the third pusher 51 drives the detection jig 52 to move close to the extension 82, until the extension 82 is completely in the groove 521, that is, the extension 82 of the rotating shaft 8 is not deformed, and the next tapping work can be carried out. For more specific detection principle, please refer to a metal powder injection molding product deformation detection device (application number CN201822220930.4).

[0040] As shown in Figure 5 and Figure 6 , the deformation test mechanism 5 further comprises a second alarm component 54, the second alarm component 54 comprises a second detector 541 (herein set as a travel switch) and a second prompter (not shown in the figure, the second prompter can be an LED lamp or a sound box, which can emit light or sound after receiving a qualified signal), the second detector 541 is electrically connected with the second prompter, and the second detector 541 has a second contact switch 542, the detection jig 52 is fixedly installed with a second fixed plate 53, and the third pusher 51 drives the detection jig 52 to move close to the extension 82 until the second fixed plate 53 contacts the second contact switch 542.

[0041] Through the second alarm component 54, people can quickly know that the extension 82 of the rotating shaft 8 to be processed is not deformed, and the next tapping work can be carried out. For more specific alarm principle of the second alarm component 54, please refer to a metal powder injection molding product deformation detection device (application number CN201822220930.4), which will not be described here.

[0042] As shown in Figure 7 , the top surface of the base part 81 is provided with a through hole 811, and the top surface of the fixed block 2 is provided with a top groove 21 matched with the base part 81, and a plurality of positioning columns 22 matched with the through hole 811 are fixedly installed on the inner wall bottom surface of the top groove 21.

[0043] By setting the top groove 21 and the positioning column 22, the rotating shaft 8 can be quickly positioned and placed, and the position of each rotating shaft 8 is ensured to be the same without error. When the rotating shaft 8 on the fixed block 2 rotates with the fixed block 2, it will not be separated from the fixed block 2.

[0044] As shown in Figure 3 and Figure 5As shown, the deformation testing mechanism 5 further comprises a second fixing assembly 7, which comprises a fifth pusher 71 (which can be a cylinder and is fixed to the second vertical plate 44), a second movable plate 72 and an electromagnet 73, the output end of the fifth pusher 71 is fixedly connected to the second movable plate 72, the bottom end of the second movable plate 72 is fixedly installed with the electromagnet 73, and the electromagnet 73 is located directly above the fixed block 2;

[0045] When the extension 82 of the rotating shaft 8 is aligned with the internally threaded hole of the detection head 42 or the groove 521 of the detection jig 52, the fifth pusher 71 is adjusted to drive the second movable plate 72 to move downward, thereby driving the electromagnet 73 to move downward, and the electromagnet 73 is pressed and fixed to the base 81, so as to press and fix the rotating shaft 8 to the fixed block 2;

[0046] By arranging the electromagnet 73, when it is not powered, it plays a role in pressing and fixing the rotating shaft 8, when the deformation testing mechanism 5 detects that the extension 82 of the rotating shaft 8 is deformed or the detection mechanism 4 detects that the tapping product of the extension 82 is a defective product, the electromagnet 73 is powered, thereby automatically adsorbing and taking out the rotating shaft 8, avoiding the trouble of manually discharging the defective product on the fixed block 2.

[0047] As shown in Figure 1 , Figure 3 and Figure 5 , the deformation testing mechanism 5 and the detection mechanism 4 both comprise a discharging piece 9, which is a gas pipe located on one side of the electromagnet 73 and above the fixed block 2, and the center position of the rotating disc 1 is further provided with a collection box 6;

[0048] When the extension 82 cannot completely enter the groove 521, that is, the first prompter does not prompt an alarm, it indicates that the extension 82 is deformed or when the extension 82 cannot completely enter the internally threaded hole of the detection head 42, that is, the second prompter does not prompt an alarm, the third pusher 51 is adjusted to drive the detection jig 52 to move away from the extension 82, the electromagnet 73 is powered, the electromagnet 73 adsorbs the rotating shaft 8, and at the same time, the fifth pusher 71 is adjusted to drive the second movable plate 72 to move upward, thereby driving the electromagnet 73 and the rotating shaft 8 to move upward, until the rotating shaft 8 is opposite to the gas pipe, at this time, the electromagnet 73 is powered off and no longer adsorbs and fixes the rotating shaft 8, and at the same time, the rotating shaft 8 is blown into the collection box 6 through the gas pipe, thereby completing the automatic discharging work of the defective rotating shaft 8 produced or processed.

[0049] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for automatically processing and detecting the external thread of a rotating shaft molded by metal powder injection molding, wherein the rotating shaft (8) includes a base portion (81) and an extension portion (82) connected as one body, characterized in that: The processing detection device comprises: Turntable (1); At least two fixed blocks (2), the fixed blocks (2) being equidistantly arranged on the top surface of the turntable (1), and the rotating shaft (8) being located on the fixed blocks (2); A tapping mechanism (3), the tapping mechanism (3) comprising a die (32), a first rotating member (31), a first pushing member (33), and a first fixing assembly fixed to a base portion (81) of a rotating shaft (8), wherein the first rotating member (31) drives the die (32) to rotate and tap the outer wall of the extension portion (82) to form an external thread, and the first pushing member (33) drives the die (32) to move closer to or away from the extension portion (82); A detection mechanism (4), the detection mechanism (4) comprising a detection head (42), a second rotating member (41), a second pushing member (43) and a second fixing assembly (7) fixed to a base portion (81) of a rotating shaft (8), wherein an internal threaded hole adapted to the external thread of the extension portion (82) is provided at one end of the detection head (42) facing the extension portion (82), the second rotating member (41) drives the detection head (42) to rotate and be threadedly connected to the extension portion (82), and the second pushing member (43) drives the detection head (42) to move toward or away from the extension portion (82).

2. The automatic processing and detection device for external threads of a rotating shaft molded by metal powder injection molding according to claim 1 is characterized in that: The detection mechanism (4) further includes a first alarm component (45), the first alarm component (45) including a first detector (451) and a first prompter, the first detector (451) being electrically connected to the first prompter, the first detector (451) having a first contact switch (452), one end of the first contact switch (452) being fixed with a first fixing plate (453), and the second pushing member (43) driving the detection head (42) to move close to the extension portion (82) until the detection head (42) contacts the first fixing plate (453).

3. The automatic processing and detection device for external threads of a rotating shaft molded by metal powder injection molding according to claim 2, characterized in that: There are four fixed blocks (2), and the processing detection device further includes a deformation testing mechanism (5). The tapping mechanism (3), the detection mechanism (4), and the deformation testing mechanism (5) are respectively opposite to one fixed block (2). The deformation testing mechanism (5) includes a detection jig (52) and a third pushing member (51). The detection jig (52) is provided with a groove (521) adapted to the extension portion (82) at one end facing the fixed block (2). The third pushing member (51) drives the detection jig (52) to move toward or away from the extension portion (82).

4. The automatic processing and detection device for external threads of a rotating shaft molded by metal powder injection molding according to claim 3 is characterized in that: The deformation testing mechanism (5) further includes a second alarm component (54), the second alarm component (54) including a second detector (541) and a second prompter, the second detector (541) being electrically connected to the second prompter, the second detector (541) having a second contact switch (542), a second fixed plate (53) being fixedly mounted on the outer wall of the detection jig (52), and the third pushing member (51) driving the detection jig (52) to move close to the extension portion (82) until the second fixed plate (53) contacts the second contact switch (542).

5. The automatic processing and detection device for external threads of a rotating shaft molded by metal powder injection molding according to claim 4, characterized in that: The top surface of the base portion (81) is provided with a through hole (811), the top surface of the fixed block (2) is provided with a top groove (21) adapted to the base portion (81), and the bottom surface of the inner wall of the top groove (21) is fixedly mounted with a plurality of positioning columns (22) adapted to the through hole (811).

6. The automatic processing and detection device for external threads of a rotating shaft molded by metal powder injection molding according to claim 4, characterized in that: The deformation testing mechanism (5) further includes a second fixed assembly (7), the second fixed assembly (7) including a fifth pusher (71), a second movable plate (72) and an electromagnet (73), the output end of the fifth pusher (71) being fixedly connected to the second movable plate (72), the bottom end of the second movable plate (72) being fixedly mounted with the electromagnet (73), and the electromagnet (73) being located directly above the fixed block (2).

7. The automatic processing and detection device for external threads of a rotating shaft molded by metal powder injection molding according to claim 6, characterized in that: The deformation testing mechanism (5) and the detection mechanism (4) both include a blanking piece (9), wherein the blanking piece (9) is an air pipe, and the air pipe is located on one side of the electromagnet (73) and above the fixed block (2).

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