CN213135946U - Device convenient to installation powder metallurgy product ceramic tool - Google Patents

Abstract

The utility model discloses a device convenient for installing a powder metallurgy product ceramic jig, wherein the powder metallurgy product comprises a base body part and an extension part which are connected into a whole; the extension part is provided with a through hole; the through hole is arranged higher than the upper surface of the base body part; the device convenient for mounting the powder metallurgy product ceramic jig comprises a machine table, a bearing jig and a jig mounting mechanism. Adopt the device of the installation powder metallurgy product ceramic tool of being convenient for of above-mentioned structure, push the subassembly through setting up the tool, utilize to push and drive the push rod and push ceramic tool to the through-hole of powder metallurgy product in, saved manual operation, cost of labor are low and operating efficiency is high, consequently, are favorable to automated production and quantization production.

Description

Device convenient to installation powder metallurgy product ceramic tool

Technical Field

The utility model relates to a powder metallurgy product preparation technical field, concretely relates to device convenient to installation powder metallurgy product ceramic tool.

Background

The powder metallurgy injection molding process can be applied to molding parts with complex shapes, however, in the powder metallurgy injection molding process, high-temperature sintering easily causes deformation of products, and the yield of the products is especially necessary for some existing powder metallurgy products (such as special-shaped notebook computer rotating shafts with threading holes and the like) with complex structures and high requirements on dimensional accuracy; in the prior art, in order to reduce the deformation of the powder metallurgy product with the through hole, a ceramic jig which is matched with the through hole is usually arranged in the through hole of the product in a penetrating mode to perform sintering together, but the installation of the ceramic jig on the powder metallurgy product is usually completed manually, so that the efficiency is low, the quantitative production cannot be formed, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect or the problem that exist among the background art, provide a device convenient to installation powder metallurgy product ceramic tool to need artifically to install ceramic tool on the powder metallurgy product and the operating efficiency who causes among the solution prior art is low, can't form the problem that quantization production and cost of labor are high.

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

a device for conveniently installing a ceramic jig for a powder metallurgy product comprises a base body part and an extension part which are connected into a whole; the extension part is provided with a through hole; the through hole is arranged higher than the upper surface of the base body part; comprises a machine table, a bearing component and a jig mounting mechanism; the machine table is used for installing the bearing component and the jig installation mechanism; the bearing assembly comprises a turntable, a rotating motor and a bearing jig; the turntable is disc-shaped and is rotationally connected with the machine table through a vertical rotating shaft; the fixed end of the rotating motor is fixedly connected with the machine table, and the output shaft of the rotating motor is coaxially and fixedly connected with the turntable and drives the turntable to rotate intermittently; the number of the bearing jigs is at least three, and each bearing jig is uniformly and fixedly connected to the periphery of the upper surface of the turntable along the circumferential direction; the upper surface of each bearing jig is concavely provided with a positioning groove for positioning and mounting the base body part; when the base body is positioned in the positioning groove in place, one side of the extension part, which is far away from the circle center of the rotary table, extends outside the positioning groove, and the through hole extends along the radial direction of the rotary table; the jig mounting mechanism comprises a clamping component, a jig pushing-in component and a feeding component; the clamping assembly comprises a pressing cylinder and a pressing block; the fixed end of the pressing cylinder is fixedly connected to the machine table, the driving end of the pressing cylinder drives the pressing block to move above the bearing jig in the vertical direction, and the pressing cylinder is matched with the bearing jig to limit the relative positioning groove of the base body from being separated when the pressing block is driven to move to abut against the upper surface of the base body; the jig pushing assembly comprises a pushing cylinder and a push rod; the fixed end of the pushing cylinder is fixedly connected to the machine table, and the driving end of the pushing cylinder is fixedly connected with one end of the push rod and reciprocates in the radial direction of the turntable; the push rod extends along the radial direction of the rotary table and is used for pushing the ceramic jig into the through hole; the feeding assembly is arranged between the jig pushing assembly and the turntable, is suitable for intermittently conveying the ceramic jig to the material pushing path of the push rod according to a preset mode and is constructed for conveying the ceramic jig to a position after the push rod returns each time and before a next powder metallurgy product to be loaded into the ceramic jig arrives, and the feeding assembly is provided with a transmission unit and a blanking groove connected to the material conveying tail end of the transmission unit; the transmission unit inputs the ceramic jig into the charging chute along a direction vertical to the movement direction of the push rod; the feeding chute is positioned on the movable path of the push rod, extends along the radial direction of the turntable, has two ends respectively used for corresponding to the push rod and the through hole, and is provided with and only can be used for placing a ceramic jig; the distance between the discharge end of the charging chute and the through hole is smaller than the length of the ceramic jig; a loading station and a taking station are arranged on the periphery of the turntable of the machine table; the loading station and the taking station are respectively positioned on the upper side and the lower side of the jig mounting mechanism in the rotating direction of the turntable; when the rotating motor rotates in place at every time, the jig mounting mechanism, the loading station and the material taking station are all corresponding to the bearing jig.

Further, the clamping assembly further comprises a guide block; the guide block is of an L-shaped structure, one end of the guide block is fixedly connected with the driving end of the downward pressing cylinder, and the other end of the guide block extends towards one side where the bearing jig is located and is fixedly connected with the pressing block; a vertical guide rail is arranged on the machine table; the guide block is in sliding connection with the vertical guide rail.

Further, the depth of the positioning groove is matched with the thickness of the base body part; when the base body is positioned in the positioning groove in place, the upper surface of the base body is flush with the upper surface of the bearing jig; when the pressing cylinder presses against the upper surface of the base body part, the pressing cylinder also presses against the upper surface of the bearing jig.

Furthermore, when the push rod is driven by the pushing cylinder to reset in place each time, the transmission unit inputs a ceramic jig to the charging chute.

Furthermore, the feeding assembly comprises a transmission box, a material conveying motor and a rotating wheel; the transmission box is arranged on a movable path of the push rod and fixedly arranged on the machine table, and is internally provided with a first material conveying channel, a second material conveying channel and the blanking groove connected with the material conveying tail end of the second material conveying channel; the first material conveying channel is used for accessing a ceramic jig fed from the outside and conveying the ceramic jig towards one side of the second material conveying channel; the second material conveying channel is used for conveying the ceramic jig to the charging chute; through holes communicated with the charging chute are formed in the side walls of the two sides of the transmission box; the fixed end of the material conveying motor is fixedly connected with the machine table, and the output shaft of the material conveying motor is parallel to the motion direction of the output end of the pushing cylinder and is coaxially and fixedly connected with the rotating wheel; the rotating wheel is positioned in the transmission box and is arranged between the material conveying tail end of the first material conveying channel and the material inlet end of the second material conveying channel, and a plurality of jig grooves are uniformly distributed on the outer wall of the rotating wheel along the circumferential direction; the extending direction of the jig groove is parallel to the central axis of the rotating wheel; the first material conveying channel, the second material conveying channel, the rotating wheel and the material conveying motor form the conveying unit.

Further, the feeding assembly comprises a transmission box; the transmission box is fixedly arranged on the machine table and positioned on the movable path of the push rod, and a third material conveying channel and the blanking groove connected to the material conveying tail end of the third material conveying channel are arranged in the transmission box; the third material conveying channel forms the transmission unit, and is arranged obliquely downwards towards one side of the charging chute and used for accessing the ceramic jig fed from the outside and conveying the ceramic jig towards the charging chute; and through holes communicated with the charging chute are formed in the side walls of the two sides of the transmission box.

Further, the machine table comprises an installation platform and a base; the mounting platform is provided with a horizontal table top; the base comprises a base and a vertical plate; the base is horizontally fixed on the horizontal table-board; the vertical plate is vertically and fixedly connected to the base; the stiff end of push down the cylinder and the stiff end of pushing into the cylinder all with the riser rigid coupling, the stiff end of push down the cylinder is higher than the stiff end setting of pushing into the cylinder.

Furthermore, a vertical positioning pin is arranged at the bottom of the positioning groove; the base body part is provided with a positioning hole; the positioning hole is in matched splicing with the positioning pin; when the base body is positioned in the positioning groove in place, the positioning pin is lower than or flush with the upper end of the positioning hole.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. according to the device convenient for mounting the powder metallurgy product ceramic jig, the powder metallurgy product is positioned by the bearing assembly, and then the powder metallurgy product is limited to move under the action of the clamping mechanism, so that the powder metallurgy product is prevented from being damaged due to deviation in the ceramic jig removing process; by arranging the jig pushing assembly, the ceramic jig is pushed into the through hole of the powder metallurgy product by utilizing the pushing driving push rod, so that the manual operation is omitted, the labor cost is low, and the operation efficiency is high, thereby being beneficial to automatic production and quantitative production; the feeding assembly is arranged, so that the functions of preparing a ceramic jig for the charging chute in advance and automatically feeding the charging chute are achieved, manual feeding is replaced, and the efficiency is higher.

2. The device convenient to install powder metallurgy product ceramic tool that this technical scheme provided sets up the station of feeding and gets the material station through setting up the carousel and on the board, and flow reasonable in design, work smoothness degree are good, can avoid feeding and getting the material on tool installation mechanism place station to be favorable to the efficiency of hoisting device work.

3. The device of installation powder metallurgy product ceramic tool of being convenient for that this technical scheme provided is through setting up the guide block in the centre gripping subassembly to utilize the sliding connection relation between the vertical guide rail on guide block and the board, promote the stability that pushes down cylinder drive briquetting reciprocated.

4. This technical scheme provides a device convenient to installation powder metallurgy product ceramic tool, the degree of depth through with the constant head tank sets up to unanimous with the thickness of base part, it can flush with the upper surface that bears the weight of the tool to guarantee that its upper surface can be when the base part targets in place in the constant head tank location, thus, when the briquetting is pressed and is supported on the base part, the briquetting still presses and supports in the upper surface that bears the weight of the tool, not only can play the effect that prevents effectively that the base part from deviating from the constant head tank, and simultaneously, can also avoid the briquetting direct action on the base part, prevent that the powder metallurgy product from being squashed, impaired.

5. This technical scheme provides a device convenient to installation powder metallurgy product ceramic tool, the push rod is driven by pushing the cylinder at every turn and is reset transmission unit all to a ceramic tool of chute input when targetting in place, guarantees that the push rod only reliably pushes away to a ceramic tool, simultaneously, avoids the ceramic tool quantity too many and the in-process that pushes away at the push rod in the chute to appear interfering each other.

6. According to the device provided by the technical scheme and convenient for mounting the powder metallurgy product ceramic jig, the first material conveying channel and the second material conveying channel are arranged to be channels with inclined upper surfaces, so that the function of automatic material conveying can be achieved, the power supply is omitted, and the device is simpler in structure and more energy-saving; due to the arrangement of the rotating wheel and the rotating motor, when the ceramic jig is conveyed, the jig groove can be used for righting the ceramic jig accessed from the first material conveying channel, so that a good arrangement effect is achieved, and the ceramic jig can be prevented from being deflected after being conveyed to the second material conveying channel; the both sides lateral wall of transmission box is equipped with the hole that link up that communicates in the charging chute to guarantee that the push rod can get into in the transmission box and release ceramic jig to the powder metallurgy product on.

7. The device of installation powder metallurgy product ceramic tool of being convenient for that this technical scheme provided sets up of third conveying pipeline to simple structure has realized transmitting the ceramic tool function to the charging conduit in accurately, conveniently.

8. The device that is convenient for install powder metallurgy product ceramic tool that this technical scheme provided, the board is equipped with split type mounting platform, base and riser, is guaranteeing to bear under the condition of the stability of function, is favorable to carrying out the position transform according to the demand.

9. The device of being convenient for install powder metallurgy product ceramic tool that this technical scheme provided through setting up the locating pin, has further promoted the stability of base member portion in the constant head tank.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a device for conveniently mounting a powder metallurgy ceramic jig according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a device for conveniently mounting a powder metallurgy ceramic jig according to an embodiment of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic structural view of a jig removing mechanism in an embodiment of the present invention;

fig. 5 is a first schematic structural view of a jig mounting mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a jig mounting mechanism according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a jig mounting mechanism according to an embodiment of the present invention;

fig. 8 is a schematic structural view of the embodiment of the present invention, showing the structure of the carrying jig, the product and the ceramic jig.

Description of the main reference numerals:

a product 100; a base portion 101; positioning holes 1011; an extension 102; a through hole 1021; a ceramic jig 200;

a machine table 10; a mounting platform 11; a first base 12; a base 121; a vertical plate 122; a second base 13; a carrier assembly 20; a turntable 21; positioning posts 211; a carrying jig 22; a positioning groove 221; the positioning pins 222; a material collecting box 23; a jig mounting mechanism 30; a clamping assembly 31; a down-pressure cylinder 311; a briquetting 312; relief holes 3121; a guide block 313; a jig pushing-in component 32; a push-in cylinder 321; a push rod 322; a feed assembly 33; the transport box 331; a first material delivery passage 3311; a second material delivery passage 3312; a charging chute 3313; a feed motor 332; a turning wheel 333; a jig groove 3331; a jig removing mechanism 40; a jig ejection assembly 41; an ejection cylinder 411; a top bar 412; a control switch 50; a first station 60; a second station 70; a third station 80; a fourth station 90.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, all directional or positional relationships, such as those using the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like, are based on the directional or positional relationships illustrated in the drawings and are for the purpose of convenience in describing the invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the scope of the invention.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Referring to fig. 8, as shown in fig. 8, a powder metallurgy product 100 according to an embodiment of the present invention includes a base portion 101 and an extension portion 102 connected as a whole, wherein the base portion 101 is provided with positioning holes 1011; the extending part 102 is a horizontally extending rod, which is fixed to one end of the base part 101 and is provided with a through hole 1021, the through hole 1021 is a screwing hole, a threading hole or other functional holes, the through hole 1021 extends along the length direction of the extending part 102, the through hole 1021 is arranged higher than the upper surface of the base part 101, that is, the lowest end of the through hole 1021 is arranged higher than the upper surface of the base part 101; the embodiment of the utility model provides a ceramic jig 200 is the rod-shaped jig that a size and through-hole 1021 match, and it is together fired with powder metallurgy product 100 after pegging graft in place in through-hole 1021 to prevent that powder metallurgy product 100 from taking place to warp at extension 102 and through-hole 1021 in the in-process of firing, effectively reduce the rejection rate in the production process from this.

Referring to fig. 1 to 7, fig. 1 to 7 show the schematic structural diagram of an embodiment of the device for conveniently installing a powder metallurgy product ceramic jig provided by the present invention, the device for conveniently installing a powder metallurgy product ceramic jig provided by the embodiment of the present invention comprises a machine table 10, a bearing component 20, a jig installation mechanism 30, a jig removal mechanism 40 and a control mechanism (not completely shown in the figures).

The machine table 10 comprises a mounting platform 11, a first base 12 and a second base 13, wherein the mounting platform 11 is provided with a horizontal table top and is used for installing a bearing assembly 20, the first base 12, the second base 13 and a control mechanism; the first base 12 is used for fixing and installing the jig installing mechanism 30; the second base 13 is used for fixing the jig removing mechanism 40. Specifically, the first base 12 and the second base 13 each include a base 121 horizontally fixed on a horizontal table of the mounting platform 11 and a vertical plate 122 vertically fixed on the base 121; the first base 12 and the second base 13 are disposed at two sides of the mounting platform 11 at an interval and oppositely, and the vertical plate 122 of the first base 12 is parallel to the vertical plate 122 of the second base 13.

The carrier assembly 20 includes a turntable 21, a rotating motor (not shown), a carrier 22 and a magazine 23.

Wherein, carousel 21 has constituted a microscope carrier to be used for supplying to bear tool 22 and the installation of collecting box 23, specifically, carousel 21 is the discoid of level setting, and it rotates to be connected in board 10 with vertical pivot, specifically for rotating with mounting platform 11 and be connected to with the coaxial rigid coupling of the output shaft of rotating motor, drive its rotation by the time interval of rotating motor artificial settlement intermittently.

The fixed end of the rotating motor is fixedly connected with the machine table 10, preferably, the fixed end of the rotating motor is fixedly connected below the mounting platform 11, so as to save space occupation and keep the cleanliness above the mounting platform 11.

The bearing jigs 22 are used for positioning and installing the powder metallurgy product 100, the number of the bearing jigs 22 is at least three, in the embodiment, the number given by the bearing jigs 22 is four, and the four bearing jigs 22 are uniformly and fixedly connected to the periphery of the upper surface of the turntable 21 along the circumferential direction; specifically, a positioning groove 221 is concavely formed in the upper surface of each of the carrying jigs 22, the positioning groove 221 matches with the shape of the base body portion 101, and a vertical positioning pin 222 is arranged at the bottom of the groove; the positioning pin 222 is inserted into the positioning hole 1011 to position the base portion 101 and limit the base portion 101 to slide relative to the positioning groove 221. When the base portion 101 is positioned in the positioning groove 221, the positioning pin 222 is lower than or flush with the upper end of the positioning hole 1011, and one side of the extending portion 102 departing from the center of the turntable 21 extends outside the positioning groove 221, and the through hole 1021 extends along the radial direction of the turntable 21.

In this embodiment, the four carrying jigs 22 are uniformly distributed along the periphery of the turntable 21, that is, the central angle between two adjacent carrying jigs 22 is 90 degrees, so that the driving rule of the rotating motor can be conveniently set, that is, the angle of the rotating motor rotating once is set to be 90 degrees.

The material collecting box 23 is used for receiving the ceramic jig 200 ejected from the powder metallurgy product 100 by the jig removing mechanism 40, is installed on the turntable 21, has an upward opening, is attached to one side of the carrying jig 22 facing the center of the turntable 21, and has an open end at least at one side attached to the carrying jig 22 lower than a through hole 1021, where the through hole 1021 is the through hole 1021 on the base portion 101 of the powder metallurgy product 100 attached to the carrying jig 22. In this embodiment, the aggregate box 23 is a square box, and the manner of installing the aggregate box on the turntable 21 is as follows: the upper surface of carousel 21 sets firmly four vertical reference columns 211 that the cross section is the L type to each collection magazine 23, and four reference columns 211 enclose to close the installation region who defines formation collection magazine 23, and collection magazine 23 is located in this installation region, and its four vertical edges offset with the interior angle intersecting line of four reference columns 211 respectively, when guaranteeing collection magazine 23 stability on the microscope carrier, can make things convenient for getting of collection magazine 23 and put.

In this embodiment, four stations are uniformly distributed on the periphery of the rotary table 21, which are a first station 60, a second station 70, a third station 80 and a fourth station 90 sequentially arranged in the rotation direction of the rotary table 21, the first station 60 is used for taking the powder metallurgy product 100 which is completely fired and has been removed by the ceramic jig 200 off the bearing jig 22, and placing the powder metallurgy product 100 which is to be fired and is not loaded with the ceramic jig 200 on the bearing jig 22; the second station 70 is used for loading the ceramic jig 200 into the powder metallurgy product 100 to be fired and not loaded with the ceramic jig 200; the third station 80 is used for taking down the powder metallurgy product 100 to be fired and loaded with the ceramic jig 200 and placing the powder metallurgy product 100 which is fired and loaded with the ceramic jig 200 on the bearing jig 22; the fourth station 90 is used for removing the ceramic jig 200 from the sintered powder metallurgy product 100 loaded with the ceramic jig 200. When the rotating motor rotates in place each time, the four carrying jigs 22 on the turntable 21 rotate to correspond to the first station 60, the second station 70, the third station 80 and the fourth station 90, respectively.

In this embodiment, the first and second susceptors 12 and 13 are disposed on the second and third stations 70 and 80, respectively. It should be understood that first station 60 and third station 80 respectively constitute a feeding station and a picking station for servicing jig mounting mechanism 30, and third station 80 and first station 60 respectively constitute a feeding station and a picking station for servicing jig removing mechanism 40, thereby achieving the purpose of integrating jig mounting mechanism 30 and jig removing mechanism 40 on the same device, and the stations are compact and reasonable in layout, which is beneficial to saving the volume of equipment, and simultaneously effectively improving the working efficiency.

Referring to fig. 5 to 7, fig. 5 to 7 show schematic structural diagrams of the jig mounting mechanism 30 according to an embodiment of the present invention, in this embodiment, the jig mounting mechanism 30 is disposed along the periphery of the turntable 21, and includes a clamping assembly 31, a jig pushing assembly 32, and a feeding assembly 33.

The clamping assembly 31 includes a pressing cylinder 311 and a pressing block 312, a fixed end of the pressing cylinder 311 is fixedly connected to the machine table 10, specifically, fixedly connected to the vertical plate 122 in the first base 12, a driving end of the pressing cylinder drives the pressing block 312 to move above the bearing fixture 22 in the vertical direction, and when the pressing cylinder 311 drives the pressing block 312 to move to press against the upper surface of the base portion 101 of the powder metallurgy product 100, the pressing cylinder cooperates with the bearing fixture 22 to clamp and fix the base portion 101 of the powder metallurgy product 100, so as to limit the base portion 101 of the powder metallurgy product 100 from coming out of the positioning groove 221; preferably, in this embodiment, the depth and the width of the positioning groove 221 are respectively matched with the thickness and the width of the base body 101 of the powder metallurgy product 100, when the base body 101 is arranged in the positioning groove 221 in place, the two side walls of the base body 101 abut against the two side walls of the positioning groove 221, the upper surface of the base body 101 is flush with the upper surface of the bearing fixture 22, and the pressing block 312 is pressed against the upper surface of the bearing fixture 22 when pressed against the upper surface of the base body 101, so that the pressing cylinder 311 is not directly pressed against the upper surface of the base body 101 of the powder metallurgy product 100, which not only can effectively prevent the base body 101 from coming out of the positioning groove 221, but also can prevent the pressing block 312 from directly acting on the base body 101 to prevent the powder metallurgy product 100 from being crushed and damaged.

In order to improve the stability of the pressing block 312 driven by the pressing cylinder 311, in this embodiment, the clamping assembly 31 further includes a guide block 313, the guide block 313 is an L-shaped structure, one end of the guide block 313 is fixedly connected to the driving end of the pressing cylinder 311, and the other end of the guide block horizontally extends towards one side of the turntable 21 and is fixedly connected to the pressing block 312; a vertical guide rail is disposed on the vertical plate 122 of the first base 12 in the machine station 10, and the guide rail is used for the guide block 313 to slide, so as to improve the stability of the guide block 313 during movement.

The jig pushing assembly 32 includes a pushing cylinder 321 and a push rod 322, a fixed end of the pushing cylinder 321 is fixedly connected to the machine station 10, specifically, fixedly connected to the vertical plate 122 in the first base 12, and a driving end thereof is fixedly connected to one end of the push rod 322 and drives the upper push rod 322 to move in a horizontal direction; the push rod 322 is horizontally disposed, and the extending direction of the push rod 322 corresponds to the radial direction of the turntable 21, so that when the powder metallurgy product 100 to be loaded into the ceramic jig 200 rotates to the station where the jig mounting mechanism 30 is located, the push cylinder 321 is ensured to push the push rod 322 to push the ceramic jig 200 into the through hole 1021 on the powder metallurgy product 100.

The feeding component 33 is arranged between the jig pushing component and the turntable 21 and is used for feeding the ceramic jig 200 to the material pushing path of the push rod 322; preferably, the feeding assembly 33 provided in the present embodiment is capable of intermittently feeding the ceramic jig 200 to the pushing path of the pushing rod 322 in a predetermined manner, and it should be noted that the feeding assembly 33 should be configured to feed the ceramic jig 200 to a position after each return of the pushing rod 322 and before the next powder metallurgy product 100 to be loaded into the ceramic jig 200 arrives.

The feeding component 33 is provided with a transmission unit and a charging chute 3313 connected with the tail end of the material conveying of the transmission unit; the transmission unit inputs the ceramic jig 200 into the chute 3313 in a direction perpendicular to the moving direction of the push rod 322; the charging chute 3313 is located on the moving path of the push rod 322, and extends along the radial direction of the turntable 21 and has two ends respectively corresponding to the push rod 322 and the through hole 1021, the charging chute 3313 is provided with and only can be used for placing one ceramic jig 200, and the distance between the discharging end of the charging chute 3313 and the through hole 1021 is at least smaller than the length of the ceramic jig 200.

Specifically, the feeding assembly 33 includes a transport box 331, a feeding motor 332, and a rotating wheel 333.

The transmission box 331 is fixed on the machine 10, and specifically, is fixedly connected to the upper surface of the base 121 of the first base 12, and is located between the material pushing end of the jig pushing component 32 and the outer peripheral wall of the turntable 21, and is internally provided with a first material conveying channel 3311 and a second material conveying channel 3312 which are inclined and arranged along the material conveying direction, and a chute 3313 connected to the end of the second material conveying channel 3312; the feeding direction of the feeding assembly 33 provided in this embodiment is perpendicular to the moving direction of the output end of the pushing cylinder 321 and the push rod 322, and the first feeding channel 3311 is used to access the ceramic jig 200 fed from the outside and to convey the ceramic jig 200 toward the second feeding channel 3312; the second material conveying channel 3312 is used for conveying the ceramic jigs 200 to the chute 3313, because the ceramic jigs 200 are rod-shaped structures, the function of automatically conveying materials can be achieved by arranging the first material conveying channel 3311 and the second material conveying channel 3312 as channels with inclined upper surfaces, the provision of power is omitted, the device structure is simpler and more energy-saving, in this embodiment, when the push rod 322 is retracted to the right position each time, one ceramic jig 200 is conveyed into the chute 3313 at the position of the second material conveying channel 3312, it should be understood that, because the chute 3313 can only be provided with one ceramic jig 200, during the movement of the push rod 322 in the chute 3313, the ceramic jig 200 at the tail end of the material conveying of the second material conveying channel 3312 cannot fall into the chute 3313, and only after the push rod 322 completely exits the chute 3313 can be provided with the next ceramic jig 200; the lateral walls of the two sides of the transmission box 331 are provided with through holes communicated with the charging chute 3313 to ensure that the push rod 322 can enter the transmission box 331 and push out the ceramic jig 200 onto the powder metallurgy product 100.

The fixed end of the material conveying motor 332 is fixedly connected to the machine 10, specifically, fixedly connected to the vertical plate 122 of the first base 12, and the output shaft thereof is parallel to the moving direction of the output end of the pushing cylinder 321 and coaxially and fixedly connected to the rotating wheel 333.

The rotating wheel 333 is located in the transmission box 331 and disposed between the first material delivery channel 3311 and the second material delivery channel 3312, and is driven by the material delivery motor 332 to rotate and is connected to the ceramic jig 200 from the first material delivery channel 3311 to transmit to the second material delivery channel 3312; specifically, a plurality of jig grooves 3331 are uniformly arranged on the outer wall of the rotating wheel 333 along the circumferential direction; the extension direction of the jig groove 3331 is parallel to the central axis of the rotating wheel 333, and once the empty jig groove 3331 is abutted to the end of the first material delivery channel 3311 during the rotation of the rotating wheel 333, the ceramic jig 200 in the first material delivery channel 3311 falls into the jig groove 3331, and then the rotation of the rotating wheel 333 drives the ceramic jig 200 in the jig groove 3331 to rotate to be abutted to the second material delivery channel 3312, and the ceramic jig 200 rolls out of the jig groove 3331 and falls into the second material delivery channel 3312.

Specifically, in order to ensure the function of the rotating wheel 333 to reliably enter the ceramic jig 200 from the first material delivery passage 3311 and reliably rotate and convey the ceramic jig 200 to the second material delivery passage 3312 during rotation, it may preferably satisfy the following positional relationship with the first material delivery passage 3311 and the second material delivery passage 3312: the feeding end of the first feeding channel 3311 should be flush with or higher than the horizontal radial section of the rotating wheel 333, and the feeding end of the second feeding end should be lower than the horizontal radial section of the rotating wheel 333.

In this embodiment, the arrangement of the rotating wheel 333 and the material conveying motor 332 achieves the purpose of arranging the ceramic jig 200 and conveying materials regularly by rotating and conveying the ceramic jig 200.

It should be understood that, since the jig groove 3331 can align the ceramic jig 200 received from the first material delivery passage 3311, the rotating wheel 333 has a good function of arranging the ceramic jig 200, so that the ceramic jig 200 can be prevented from being deviated after being delivered to the second material delivery passage 3312, and preferably, the length of the second material delivery passage 3312 is not too long. In this embodiment, the first material conveying path 3311, the second material conveying path 3312, the rotary wheel 333, and the material conveying motor 332 constitute a conveying unit. In addition, the transmission unit may further include a third material feeding channel (not shown) inclined downward toward one side of the chute 3313, the chute 3313 is connected to a material feeding end of the third material feeding channel, and the third material feeding channel may be connected to the ceramic jig 200 fed from the outside and feed the ceramic jig 200 toward the chute 3313.

Referring to fig. 4, fig. 4 shows a schematic structural diagram of a jig removing mechanism 40 according to an embodiment of the present invention, in this embodiment, the jig removing mechanism 40 is disposed on the other side of the periphery of the turntable 21 relative to the jig mounting mechanism 30, and includes a clamping assembly 31 and a jig ejecting assembly 41.

As shown in fig. 4, in the present embodiment, the structure and function of the clamping component 31 disposed in the jig removing mechanism 40 are the same as those of the clamping component 31 disposed in the jig mounting mechanism 30, and therefore, in the present embodiment, no detailed description is given here about the specific structure of the clamping component 31 in the jig removing mechanism 40, and specific reference may be made to the structure of the clamping component 31 described in the jig mounting mechanism 30, only that, according to the position characteristics of the material collecting box 23, in order to ensure that the ceramic jig 200 can reliably fall into the material collecting box 23 without being blocked by the pressing block 312 when the ceramic jig 200 is ejected out of the through hole 1021, in the present embodiment, the pressing block 312 on the clamping component 31 in the jig mounting mechanism 30 is provided with the avoiding hole 3121 corresponding to the through hole 1021, and when the pressing block 312 presses the powder metallurgy product 100 in place, the distance between the end of the avoiding hole 3121 facing the through hole 1021 and the end of the through hole 1021 facing the through hole 1021 of the avoiding hole 312 200, thereby ensuring that the ceramic jig 200 can reliably fall into the aggregate box 23 through the avoiding hole 3121 when being ejected out of the through hole 1021.

The jig ejection assembly 41 includes an ejection cylinder 411 and an ejector rod 412, a fixed end of the ejection cylinder 411 is fixedly connected to the machine station 10, specifically, fixedly connected to the vertical plate 122 in the second base 13, and a driving end thereof is fixedly connected to one end of the ejector rod 412 and drives the ejector rod 412 to move in the horizontal direction; the ejector rod 412 is horizontally arranged, the diameter of the ejector rod 412 is smaller than the hole diameters of the through hole 1021 and the avoiding hole 3121, and the extending direction corresponds to the radial direction of the rotary table 21, so that when the powder metallurgy product 100 loaded with the ceramic jig 200 rotates to the station where the jig removing mechanism 40 is located, the ejector cylinder 411 can drive the ejector rod 412 to eject the ceramic jig 200 from the through hole 1021 of the powder metallurgy product 100 to the material collecting box 23.

The control mechanism comprises a control system (not shown in the figure) and a control switch 50 which are electrically connected with each other, wherein the control system is electrically connected with the rotating motor, the pressing cylinder 311, the pushing cylinder 321, the material conveying motor 332 and the ejecting cylinder 411 in the two clamping assemblies 31 so as to control the rotating motor, the pressing cylinder 311, the pushing cylinder 321, the material conveying motor 332 and the ejecting cylinder 411 to operate according to a preset program; the control switch 50 includes at least an on button for sending a start operation signal to the control system and being controlled by the control system to enter the operating state, and an off button for sending an off operation signal to the control system and being controlled by the control system to exit the operating state.

In practical use, the control system controls the rotating motor to drive the rotating disc 21 to rotate 90 degrees each time, when the powder metallurgy products 100 on the first station 60 and the third station 80 are installed in place, the rotating motor drives the rotating disc 21 to rotate 90 degrees, and then the jig installation mechanism 30 and the jig removal mechanism 40 can respectively perform corresponding operations at the same time.

The specific operation process is as follows: placing the powder metallurgy product 100 to be fired and not loaded with the ceramic jig 200 on the bearing jig 22 corresponding to the first station 60, and placing the powder metallurgy product 100 which is fired and loaded with the ceramic jig 200 on the bearing jig 22 corresponding to the third station 80; pressing the start button, rotating the motor to operate and driving the turntable 21 to rotate 90 degrees in the preset direction; placing the powder metallurgy product 100 to be fired and not loaded with the ceramic jig 200 on the carrying jig 22 corresponding to the first station 60, placing the powder metallurgy product 100 which is fired and loaded with the ceramic jig 200 on the carrying jig 22 corresponding to the third station 80, controlling the two down-pressing cylinders 311 to operate and respectively driving the two pressing blocks 312 to press against the carrying jig 22, controlling the base part 101 of the powder metallurgy product 100 on the carrying jig 22 corresponding to the second station 70 and the fourth station 90 to be pressed and not to be separated from the carrying jig 22, controlling the material conveying motor 332 to operate and ensure that at least one ceramic jig 200 is arranged in the blanking slot 3313, then controlling the pushing cylinder 321 on the second station 70 to operate, driving the push rod 322 to move towards one side of the transmission box 331, and pushing the ceramic jig 200 in the blanking slot 3313 into the through hole 1021 running through the powder metallurgy product 100, the push-in cylinder 321 drives the push rod 322 to move in place and then immediately drives the push rod 322 to reset, the ceramic jig 200 positioned in the second material conveying channel 3312 falls into the blanking channel 3313, meanwhile, the push-out cylinder 411 on the fourth station 90 is controlled to operate, so that the push rod 412 is driven to move towards one side of the powder metallurgy product 100 and the ceramic jig 200 on the powder metallurgy product 100 is ejected until the ceramic jig 200 falls into the aggregate box 23 after passing through the avoidance hole 3121 on the pressing block 312, and the push-out cylinder 411 drives the push rod 412 to move in place and immediately drives the push rod 412 to reset; controlling the rotating motor to operate and driving the turntable 21 to rotate for 90 degrees continuously according to the rotating direction; taking down the sintered powder metallurgy product 100 with the ceramic jig 200 removed from the first station 60, placing the powder metallurgy product 100 to be sintered without the ceramic jig 200 on the empty bearing jig 22, simultaneously taking down the powder metallurgy product 100 to be sintered with the ceramic jig 200 placed on the third station 80, placing the sintered powder metallurgy product 100 with the ceramic jig 200 placed on the empty bearing jig 22, and simultaneously, continuously performing the ceramic jig 200 loading operation and the ceramic jig 200 removing operation on the jig mounting mechanism 30 and the jig removing mechanism 40 respectively corresponding to the second station 70 and the fourth station 90 according to the manner; the rotating motor continues to rotate, the first station 60 and the third station 80 jig repeat the operation, and the jig mounting mechanism 30 of the second station 70 and the jig removing mechanism 40 of the fourth station 90 continue to operate according to the operation mode; the above operation process is repeated until the stop button is pressed.

The utility model provides a device convenient to installation powder metallurgy product ceramic tool, with tool installation mechanism 30 and tool removal mechanism 40 integration on same equipment, rethread carousel 21 is implemented and is transported, not only makes the integrated level of whole device high, the volume that occupies small, ceramic tool 200's installation and removal operation action are smooth moreover, degree of automation is higher, has reduced the human cost, has improved operating efficiency.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.

Claims (8)

1. A device for conveniently installing a ceramic jig for a powder metallurgy product comprises a base body part and an extension part which are connected into a whole; the extension part is provided with a through hole; the through hole is arranged higher than the upper surface of the base body part; the device is characterized by comprising a machine table, a bearing component and a jig mounting mechanism;

the machine table is used for installing the bearing component and the jig installation mechanism;

the bearing assembly comprises a turntable, a rotating motor and a bearing jig;

the turntable is disc-shaped and is rotationally connected with the machine table through a vertical rotating shaft; the fixed end of the rotating motor is fixedly connected with the machine table, and the output shaft of the rotating motor is coaxially and fixedly connected with the turntable and drives the turntable to rotate intermittently; the number of the bearing jigs is at least three, and each bearing jig is uniformly and fixedly connected to the periphery of the upper surface of the turntable along the circumferential direction; the upper surface of each bearing jig is concavely provided with a positioning groove for positioning and mounting the base body part; when the base body is positioned in the positioning groove in place, one side of the extension part, which is far away from the circle center of the rotary table, extends outside the positioning groove, and the through hole extends along the radial direction of the rotary table;

the jig mounting mechanism comprises a clamping component, a jig pushing-in component and a feeding component;

the clamping assembly comprises a pressing cylinder and a pressing block; the fixed end of the pressing cylinder is fixedly connected to the machine table, the driving end of the pressing cylinder drives the pressing block to move above the bearing jig in the vertical direction, and the pressing cylinder is matched with the bearing jig to limit the relative positioning groove of the base body from being separated when the pressing block is driven to move to abut against the upper surface of the base body;

the jig pushing assembly comprises a pushing cylinder and a push rod; the fixed end of the pushing cylinder is fixedly connected to the machine table, and the driving end of the pushing cylinder is fixedly connected with one end of the push rod and reciprocates in the radial direction of the turntable; the push rod extends along the radial direction of the rotary table and is used for pushing the ceramic jig into the through hole;

the feeding assembly is arranged between the jig pushing assembly and the turntable, is suitable for intermittently conveying the ceramic jig to the material pushing path of the push rod according to a preset mode and is constructed for conveying the ceramic jig to a position after the push rod returns each time and before a next powder metallurgy product to be loaded into the ceramic jig arrives, and the feeding assembly is provided with a transmission unit and a blanking groove connected to the material conveying tail end of the transmission unit; the transmission unit inputs the ceramic jig into the charging chute along a direction vertical to the movement direction of the push rod; the feeding chute is positioned on the movable path of the push rod, extends along the radial direction of the turntable, has two ends respectively used for corresponding to the push rod and the through hole, and is provided with and only can be used for placing a ceramic jig; the distance between the discharge end of the charging chute and the through hole is smaller than the length of the ceramic jig;

a loading station and a taking station are arranged on the periphery of the turntable of the machine table; the loading station and the taking station are respectively positioned on the upper side and the lower side of the jig mounting mechanism in the rotating direction of the turntable; when the rotating motor rotates in place at every time, the jig mounting mechanism, the loading station and the material taking station are all corresponding to the bearing jig.

2. The apparatus for facilitating the installation of a powder metallurgy product ceramic jig of claim 1, wherein the clamping assembly further comprises a guide block; the guide block is of an L-shaped structure, one end of the guide block is fixedly connected with the driving end of the downward pressing cylinder, and the other end of the guide block extends towards one side where the bearing jig is located and is fixedly connected with the pressing block; a vertical guide rail is arranged on the machine table; the guide block is in sliding connection with the vertical guide rail.

3. The device for conveniently installing the powder metallurgy product ceramic jig as claimed in claim 1 or 2, wherein the depth of the positioning groove is matched with the thickness of the base body part; when the base body is positioned in the positioning groove in place, the upper surface of the base body is flush with the upper surface of the bearing jig; when the pressing cylinder presses against the upper surface of the base body part, the pressing cylinder also presses against the upper surface of the bearing jig.

4. The apparatus for facilitating the installation of a ceramic jig for powder metallurgy products according to claim 1, wherein the transmission unit inputs a ceramic jig to the chute each time the push rod is returned to the position by the push cylinder.

5. The device for conveniently installing the powder metallurgy product ceramic jig as claimed in claim 1 or 4, wherein the feeding assembly comprises a transmission box, a material conveying motor and a rotating wheel;

the transmission box is arranged on a movable path of the push rod and fixedly arranged on the machine table, and is internally provided with a first material conveying channel, a second material conveying channel and the blanking groove connected with the material conveying tail end of the second material conveying channel; the first material conveying channel is used for accessing a ceramic jig fed from the outside and conveying the ceramic jig towards one side of the second material conveying channel; the second material conveying channel is used for conveying the ceramic jig to the charging chute; through holes communicated with the charging chute are formed in the side walls of the two sides of the transmission box;

the fixed end of the material conveying motor is fixedly connected with the machine table, and the output shaft of the material conveying motor is parallel to the motion direction of the output end of the pushing cylinder and is coaxially and fixedly connected with the rotating wheel;

the rotating wheel is positioned in the transmission box and is arranged between the material conveying tail end of the first material conveying channel and the material inlet end of the second material conveying channel, and a plurality of jig grooves are uniformly distributed on the outer wall of the rotating wheel along the circumferential direction; the extending direction of the jig groove is parallel to the central axis of the rotating wheel; the first material conveying channel, the second material conveying channel, the rotating wheel and the material conveying motor form the conveying unit.

6. The device for conveniently installing the powder metallurgy product ceramic jig as claimed in claim 1 or 4, wherein the feeding assembly comprises a transmission box; the transmission box is fixedly arranged on the machine table and positioned on the movable path of the push rod, and a third material conveying channel and the blanking groove connected to the material conveying tail end of the third material conveying channel are arranged in the transmission box; the third material conveying channel forms the transmission unit, and is arranged obliquely downwards towards one side of the charging chute and used for accessing the ceramic jig fed from the outside and conveying the ceramic jig towards the charging chute; and through holes communicated with the charging chute are formed in the side walls of the two sides of the transmission box.

7. The device for conveniently installing the powder metallurgy product ceramic jig as claimed in claim 1, wherein the machine platform comprises an installation platform and a base; the mounting platform is provided with a horizontal table top; the base comprises a base and a vertical plate; the base is horizontally fixed on the horizontal table-board; the vertical plate is vertically and fixedly connected to the base; the stiff end of push down the cylinder and the stiff end of pushing into the cylinder all with the riser rigid coupling, the stiff end of push down the cylinder is higher than the stiff end setting of pushing into the cylinder.

8. The device for conveniently installing the powder metallurgy product ceramic jig as claimed in claim 1, wherein the bottom of the positioning groove is provided with a vertical positioning pin; the base body part is provided with a positioning hole; the positioning hole is in matched splicing with the positioning pin; when the base body is positioned in the positioning groove in place, the positioning pin is lower than or flush with the upper end of the positioning hole.

Images