CN114101407A

CN114101407A - Many sizes forming device of ring shape axle bush

Info

Publication number: CN114101407A
Application number: CN202111443190.0A
Authority: CN
Inventors: 包永平
Original assignee: Jinxiang Ningbo Bearing Co ltd
Current assignee: Jinxiang Ningbo Bearing Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-01
Anticipated expiration: 2041-11-30
Also published as: CN114101407B

Abstract

The application discloses a multi-size forming device of a circular bearing bush, which comprises a shell, wherein a forming cavity is arranged in the shell, and the middle part of the forming cavity is a forming area; a feeding mechanism is arranged at one end of the forming cavity and used for feeding the blank to the forming area; a forming assembly comprising a plurality of groups of forming blocks and forming rollers is arranged in the forming cavity in a sliding manner, forming grooves with different sizes are formed in the forming blocks of each group, and a plurality of forming sections with different sizes are formed in the forming rollers; the shell is provided with an adjusting driving mechanism which is suitable for driving any one group of the forming blocks to move to the forming area; and a forming driving mechanism is arranged on the side part of the shell and is suitable for driving a group of forming blocks positioned in the forming area to be matched with the corresponding forming sections. The beneficial effect of this application: can become the axle bush of required size with the blank punching press under shaping actuating mechanism's drive with not unidimensional shaping groove and not unidimensional shaping section through adjusting actuating mechanism to satisfy the production demand of not unidimensional axle bush.

Description

Many sizes forming device of ring shape axle bush

Technical Field

The application relates to the field of bearing bush processing, in particular to a multi-size forming device for an annular bearing bush.

Background

The bearing bush has an integral type and a split type, wherein the integral type bearing bush is in a ring shape and is also called as a shaft sleeve. The existing integral bearing bush is processed by the following steps: the method comprises the steps of firstly cutting a whole flat blank into rectangular flat blanks with fixed sizes, then sequentially feeding the cut blanks onto a press roller in a punching area through a feeding mechanism, and finally forming the blanks along the press roller under the punching of an upper semicircular punching die and a lower semicircular punching die.

In the stamping forming process of the existing integral bearing bush, when an upper stamping die and a lower stamping die contact a blank, the distance from the contact point of the stamping die to the center of a compression roller is short, so that the stamping die has the advantages that in the stamping process, the stamping torque applied to the blank is small, and further the stamping can be carried out only by using larger stamping force. Meanwhile, the existing processing equipment for the integral bearing bush can only process the bearing bush with a single size. The mill is to the axle bush processing of many sizes, often need purchase a plurality of equipment, and then has improved the cost of production, so need one kind now and can carry out many sizes and efficient axle bush forming device.

Disclosure of Invention

One of the objects of the present application is to provide a multi-size forming device for an annular bearing shell, which can perform multi-size bearing shell forming.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a multi-size forming device for an annular bearing bush comprises a shell, wherein a through forming cavity is arranged in the shell, and a forming area is arranged in the middle of the forming cavity; a feeding mechanism is installed at one end of the forming cavity and is suitable for feeding blanks to the forming area; the forming assembly is arranged in the forming cavity in a sliding mode and comprises a plurality of groups of forming blocks and forming rollers which are arranged in an arrayed mode, forming grooves with the same size are formed in the forming blocks of each group, the forming grooves of each group are different in size, a plurality of forming sections with different sizes are arranged on the forming rollers, and the forming sections are correspondingly matched with the forming grooves; the shell is also provided with an adjusting driving mechanism which is suitable for driving the forming assembly to move along the forming cavity so as to move any group of forming blocks and the forming section matched with the forming blocks to the forming area; and a forming driving mechanism is arranged on the side part of the shell and is suitable for driving a group of forming blocks positioned in the forming area to be matched with the corresponding forming sections, so that the blank can be punched into the annular bearing bush with the required size, and the requirements of the bearing bushes with different sizes are met.

Preferably, the cross section of the molding cavity is square, and positioning grooves are arranged at four corners of the molding cavity; the forming roller is positioned in the center of the forming cavity; the number of the forming blocks in each group is four, and a first positioning block is fixed on each forming block, so that the four forming blocks in each group are respectively in sliding fit with the positioning grooves at four corners through the first positioning blocks; forming grooves in a quarter circle are formed in the forming blocks of each block; each group of forming blocks is suitable for moving towards the forming roller under the driving of the forming driving mechanism, and then can be matched with the corresponding forming sections on the forming roller to form an annular punching cavity, and the punching cavity is used for forming an annular bearing bush.

Preferably, the plurality of groups of forming blocks are sequentially arranged according to the size of the forming groove, so that a plurality of forming sections on the forming roller are stepped; each the both sides of shaping section all are provided with the mounting groove, install the blowing subassembly in the mounting groove, the blowing subassembly includes bull stick, torsional spring and discharging piece, bull stick fixed mounting in the mounting groove, discharging piece with the bull stick rotates to be connected, the torsional spring cup joint in the bull stick, and the both ends of torsional spring respectively with discharging piece and the bull stick is connected, so that discharging piece is in expand under the elasticity of torsional spring, and then can be right the feed mechanism material loading the blank is placed, thereby is convenient the stamping forming of shaping piece.

Preferably, the adjusting and driving mechanism comprises a baffle, a baffle frame and a first telescopic device, the baffle and the baffle frame are arranged in the forming cavity, the baffle and the baffle frame are in sliding fit with the positioning groove through second positioning blocks arranged at four corners, the baffle and the baffle frame are fixedly connected through a connecting plate, the baffle and the baffle frame respectively abut against two ends of the forming assembly, a supporting sleeve is further fixed on the baffle, and the forming roller is arranged in the supporting sleeve; the first telescopic device is fixedly installed on the upper portion of the shell, the output end of the first telescopic device is connected with a first telescopic rod, the first telescopic rod is connected with the connecting seat fixed on the connecting plate through a pair of retaining rings, so that the first telescopic device drives the baffle plate and the retaining frame to drive the forming assembly to move along the forming cavity through the first telescopic rod, and then any group of forming blocks and corresponding forming sections are moved to the forming area.

Preferably, the forming roller is in sliding fit with the supporting sleeve, a second telescopic device is fixedly mounted at the end of the supporting sleeve, the output end of the second telescopic device is connected with the tail end of the forming roller through a second telescopic rod, and then the forming roller is driven by the second telescopic device to be contracted into the supporting sleeve, so that blanking of the formed bearing bush is facilitated.

Preferably, notches are formed in four corners of the forming area of the shell, two forming driving mechanisms are arranged, the two forming driving mechanisms are respectively installed on two sides of the shell, each forming driving mechanism comprises a driving device, a transmission assembly and a pair of clamping assemblies, the two clamping assemblies are respectively installed above and below one side of the forming area, and the clamping assemblies are suitable for penetrating through the notches and clamping the forming blocks located in the forming area; drive arrangement fixed mounting in the mounting panel that the casing lateral part set up, drive arrangement be suitable for through drive assembly with the centre gripping subassembly is connected, and then can drive centre gripping subassembly centre gripping the shaping piece to the center of shaping roller removes to the realization is to the stamping forming of blank.

Preferably, a pair of supporting plates is fixed in the middle of the outer side of the shell, and the area of the forming cavity between the two supporting plates is the forming area; four corners of the end surfaces of the two support plates, which are opposite to each other, are provided with guide grooves, the extending direction of the guide grooves faces the forming roller, and four corners of the two support plates are provided with support seats; the clamping assembly comprises a first crankshaft, a hinged plate and a clamping plate, the first crankshaft is rotatably connected with the supporting seat, the clamping plate is in sliding fit with the guide groove through a guide block arranged on the side part, the upper end of the clamping plate is hinged with the first crankshaft through the hinged plate, and the lower end of the clamping plate is provided with a clamping groove; the driving device is suitable for driving the first crankshaft to rotate through the transmission assembly, and then the first crankshaft drives the clamping plate to slide along the guide groove through the hinged plate; when the clamping plate is driven by the first crankshaft to be located at a position far away from the forming roller, the clamping groove is aligned with the positioning groove, and therefore any group of forming blocks can be moved to the forming area and clamped with the clamping groove through the first positioning block; when the clamping plate is driven by the first crankshaft to be close to the forming roller, the forming block can stamp the blank on the forming roller under the driving of the clamping plate, so that the forming processing of the bearing bush is realized.

Preferably, the transmission assembly comprises a first gear lack, a first driving gear, a second gear lack and a second driving gear, wherein the diameter of the first gear lack is twice that of the first driving gear, and the diameter of the second gear lack is twice that of the second driving gear; the output end of the driving device is connected with a driving shaft, the first gear and the second gear are both connected with the driving shaft, the first driving gear is connected with the first crankshaft below the same side, the second driving gear is connected with the first crankshaft above the same side, a semicircular first gear tooth section is arranged on the first gear, the first gear is suitable for being meshed with the first driving gear through the first gear tooth section, so that the clamping plate below the same side can be driven intermittently to move, a second gear tooth section and a third gear tooth section which are both in a quarter circle are arranged on the second gear, the second gear tooth section and the third gear tooth section are symmetrically arranged, and the second gear is suitable for being meshed with the second driving gear through the second gear tooth section and the third gear tooth section, and the clamping plates above the same side are driven to move by gaps. When the blank is stamped, the clamping plate above the forming area moves downwards under the driving of the second gear lack to realize the bending of the blank, then the clamping plate below the forming area moves upwards under the driving of the first gear lack to realize the integral forming of the bent blank, and then the clamping plates above and below the forming area are synchronously and mutually far away to realize the blanking of the formed blank.

Preferably, the feeding mechanism comprises a feeding table, a discharge box, a feeding plate and a second crankshaft; an extension table is arranged on one side of the feeding table, extends to a position close to the forming area and is aligned with the forming section in the forming area; the discharging box is detachably arranged on the feeding table, a plurality of blanks to be punched are placed in the discharging box, and a gap is formed between the bottom end of the discharging box and the feeding table; a feeding groove is formed in the end face of the feeding table, the feeding plate is located on the other side of the feeding table and is in sliding connection with the feeding groove, and the upper end of the feeding plate is higher than the end face of the feeding table, so that the feeding plate pushes the blank at the lowest position in the discharging box to the extension table through sliding along the feeding groove, the blank closest to the forming area on the extension table is pushed to the discharging assembly on the forming roller, and feeding of the blank is achieved; a push plate is fixed at the end part of the feeding plate far away from the feeding table, and a matching groove is formed in the push plate; the second crankshaft is rotatably mounted on a support frame arranged on the side of the shell, the second crankshaft is suitable for being matched with the matching groove, a bevel gear is mounted at one end of the second crankshaft, a tooth-lacking bevel gear is mounted at the end, on the same side with the bevel gear, of the driving shaft, the diameter of the tooth-lacking bevel gear is twice that of the bevel gear, a semicircular conical tooth section is arranged on the tooth-lacking bevel gear, and the tooth-lacking bevel gear is suitable for being meshed with the bevel gear through the conical tooth section, so that the second crankshaft can be driven intermittently to drive the feeding plate to slide along the feeding groove.

Preferably, fixing plates are fixed on two sides of the feeding table, vertical limiting grooves are formed in the fixing plates, vertical limiting plates are arranged on two sides of the end portion of the shell, and the feeding table is suitable for being in sliding connection with the limiting plates through the limiting grooves; the top of the fixed plate is fixed with a top block, the end part of the first telescopic rod is also fixed with a top plate, the top plate is in a step shape, and the top plate is suitable for being matched with the top block so that the feeding table is in a static state during feeding; when first telescopic link drive when the shaping subassembly removes, the roof can through the stair structure with the cooperation of kicking block is in order to drive the material loading platform is followed the spacing groove slides from top to bottom, and then can guarantee the extension platform all the time with be located the shaping district the shaping section aligns.

Compared with the prior art, the beneficial effect of this application lies in:

the shaping piece that contains the shaping groove of unidimensional not and the shaping roller slidable mounting of the unidimensional shaping section of multistage in the shaping intracavity with the multiunit to can drive the whole removal of shaping subassembly through adjusting actuating mechanism, and then can guarantee that arbitrary group's size shaping piece and complex shaping section can both be moved to the shaping district, thereby realize the stamping forming of unidimensional axle bush under shaping actuating mechanism's drive, in order to satisfy the processing demand of unidimensional axle bush.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the present invention with a frame removed.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 is a schematic structural diagram of the housing of the present invention.

Fig. 5 is a view showing the internal structure of the case according to the present invention.

FIG. 6 is a schematic view of a molding assembly of the present invention.

FIG. 7 is a schematic view showing the structure of a forming roll in the present invention.

Fig. 8 is a schematic exploded view of the adjustment drive mechanism of the present invention.

FIG. 9 is a schematic view of the state of the forming roller during feeding of the forming assembly of the present invention.

FIG. 10 is a schematic view showing the state of the forming roller in blanking of the forming assembly of the present invention.

FIG. 11 is an exploded view of the forming driving mechanism of the present invention.

FIG. 12 is a schematic view of a clamping assembly according to the present invention.

Fig. 13 is a schematic structural view of a feeding mechanism in the present invention.

FIG. 14 is a schematic view of the loading mechanism of the present invention in a non-loaded state.

Fig. 15 is a schematic view of the loading mechanism in loading operation according to the present invention.

Fig. 16 is an internal sectional view of the housing of the present invention.

Fig. 17 is a schematic view of the adjusting and driving mechanism of the present invention respectively engaged with the forming assembly and the feeding mechanism.

FIG. 18 is a first schematic view of the forming driving mechanism according to the present invention.

FIG. 19 is a second schematic view of the forming driving mechanism of the present invention.

FIG. 20 is a third schematic view of the forming driving mechanism of the present invention in a working state.

Fig. 21 is a fourth schematic view of the forming driving mechanism of the present invention in an operating state.

FIG. 22 is a partial schematic view of the engagement of the missing-tooth bevel gear and the bevel gear in the present invention.

Fig. 23 is a schematic view showing a state where the missing bevel gear and the bevel gear are engaged with each other in the present invention.

In the figure: the molding device comprises a frame 1, a housing 11, a molding cavity 110, a positioning groove 1100, a support plate 111, a guide groove 1110, a support seat 1111, a mounting plate 112, a sliding groove 113, a support frame 114, a limit plate 115, a notch 116, a feed opening 117, a molding area 120, a molding assembly 2, a molding block 21, a first molding block 211, a second molding block 212, a third molding block 213, a fourth molding block 214, a molding groove 2100, a first positioning block 2101, a molding roller 22, a mounting groove 220, a molding section 221, a discharge assembly 222, a rotating rod 2221, a torsion spring 2222, a discharge block 2223, a molding driving mechanism 3, a driving device 31, a driving shaft 301, a transition gear 302, a missing bevel gear 303, a bevel gear segment 3031, a first missing gear 321, a first gear segment 3211, a first driving gear 322, a second missing gear 331, a second gear segment 3311, a third gear segment 3312, a second driving gear 332, a clamping assembly 34, a first crankshaft 341, a clamping plate 343, a second crankshaft 341, a third gear segment 3312, a third gear segment, a fourth gear segment, a third gear segment, a fourth segment, a third segment, a fourth segment, a third segment, a fourth segment, a third segment, a fourth segment, a third segment, a fourth segment, a third segment, a fourth segment, a third segment, a fourth segment, a third segment, a fourth segment, The device comprises a clamping groove 3430, a guide block 3431, an adjusting driving mechanism 4, a baffle plate 41, a baffle frame 42, a first telescopic device 43, a first telescopic rod 44, a top plate 45, a second telescopic device 46, a connecting plate 401, a second positioning block 402, a connecting seat 403, a supporting sleeve 404, a baffle ring 405, a second telescopic rod 406, a feeding mechanism 5, a feeding table 51, a fixing plate 511, a limiting groove 512, a top block 513, an extending table 514, a feeding groove 515, a discharging box 52, a feeding plate 53, a push plate 531, a matching groove 532, a second crankshaft 54, a bevel gear 541 and a blank 600.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In one preferred embodiment of the present application, as shown in fig. 1 to 23, a multi-dimension forming device for a circular ring-shaped bearing shell includes a housing 11, the housing 11 is stably installed on the ground through a frame 1, a forming cavity 110 is provided inside the housing 11, a forming area 120 is provided in the middle of the forming cavity 110, and the bearing shell is formed in the forming area 120 by stamping. A feeding mechanism 5 is installed at one end of the forming cavity 110, and the feeding mechanism 5 is used for continuously feeding the blank 600 with stamping to the forming area 120, so as to facilitate the stamping of the forming device of the embodiment to obtain the required bearing bush. The molding cavity 110 is internally provided with a molding assembly 2 in a sliding manner, the molding assembly 2 comprises a plurality of groups of molding blocks 21 and molding rollers 22 which are arranged in an array manner, wherein the molding grooves 2100 with the same size are arranged on the plurality of molding blocks 21 of each group, and the molding grooves 2100 of each group are uniformly distributed with different sizes; wherein, the forming roller 22 is provided with a plurality of forming segments 221 with different sizes, and the plurality of forming segments 221 can be correspondingly matched with the forming grooves 2100 with a plurality of sizes. The adjusting driving mechanism 4 is further installed on the housing 11, and the adjusting driving mechanism 4 can drive the forming assembly 2 to move along the forming cavity 110 as a whole, so as to move any one group of the plurality of forming blocks 21 and the forming section 221 matched with the forming blocks to the forming area 120. The forming driving mechanism 3 is installed at the side of the housing 11, and the forming driving mechanism 3 can drive the set of forming blocks 21 located in the forming area 120 to move towards the corresponding forming section 221 at the same time until the forming blocks 21 form a circular stamping cavity with the forming section 221 through the forming groove 2100, so that the blank 600 located in the forming area 120 can be stamped into circular bearing bushes of required sizes to meet the requirements of the bearing bushes of different sizes.

It can be understood that the forming device of the present embodiment specifically works as follows: the adjusting driving device 4 is started according to production requirements, so that a group of forming blocks 21 with required sizes and the forming sections 221 corresponding to the forming blocks are moved to the forming area 120, then the feeding mechanism 5 feeds the blank 600 to be punched to the forming area 120, and finally the forming driving mechanism 3 drives the forming blocks 21 in the forming area 120 to move towards the forming sections 221, so that the blank 600 is punched into the circular bearing bush with the required sizes.

In this embodiment, as shown in fig. 4 to 6, the cross section of the molding cavity 110 is square, and positioning grooves 1100 are disposed at four corners of the molding cavity 110. When the molding assembly 2 is mounted in the molding cavity 110, the molding roller 22 is located at the center of the molding cavity 110; the four molding blocks 21 in each group are four, a first positioning block 2101 is fixed on each molding block 21, and the four molding blocks 21 in each group are respectively in sliding fit with the positioning grooves 1100 at the four corners of the molding cavity 110 through the first positioning blocks 2101; a forming groove 2100 in a quarter circle is formed in each forming block 21; when each forming block 21 of each group moves to the forming area 120 under the driving of the adjusting driving mechanism 4, the forming driving mechanism 3 can drive the four forming blocks 21 of the group to move towards the forming roller 22 at the same time, so as to cooperate with the corresponding forming section 221 on the forming roller 22 to form a circular stamping cavity.

In this embodiment, as shown in fig. 4 to 6, the cross-section of constant head tank 1100 is the arc and is greater than the semicircle, first constant head block 2101 is whole to be cylindrical simultaneously, and first constant head block 2101 is greater than the semicircle for the evagination cross-section of shaping piece 21, thereby when first constant head block 2101 carries out sliding connection with constant head tank 1100, can form the joint structure between constant head tank 110 and the first constant head block 2101, the lateral part of shaping piece 21 just in time is laminated with the lateral wall of shaping chamber 110 simultaneously, in order to guarantee that shaping piece 21 can follow shaping chamber 110 and carry out stable slip.

In this embodiment, the number of groups of forming blocks 21 can be set according to production requirements, for example, several sizes with the maximum production capacity. For example, as shown in fig. 6, the number of the molding blocks 21 is four, the four molding blocks 21 are respectively a first molding block 211, a second molding block 212, a third molding block 213 and a fourth molding block 214, the four molding blocks 21 are sequentially arranged in order according to the size of the molding groove 2100 in each group, and the adjacent molding blocks 21 in each group are bonded to each other, so that the four molding blocks 21 can be moved along the molding cavity 110 as a whole by the driving of the adjustment driving mechanism 4.

In this embodiment, the number of the molding segments 221 on the molding roller 22 may be set according to the size number of the molding groove 2100, for example, as shown in fig. 6 and 7, the number of the molding segments 221 is four, and the four molding segments 221 are distributed in a step shape according to the size arrangement of the molding blocks 21. Mounting grooves 220 are formed in the two sides of each forming section 221, and discharging assemblies 222 are mounted in the mounting grooves 220; the discharging assembly 222 comprises a rotating rod 2221, a torsion spring 2222 and a discharging block 2223, wherein the rotating rod 2221 is fixedly mounted in the mounting groove 220, the axis of the rotating rod 2221 is parallel to the axis of the forming roller 22, the discharging block 2223 is rotatably connected with the rotating rod 2221, meanwhile, the torsion spring 2222 is sleeved on the rotating rod 2221, and two ends of the torsion spring 2222 are respectively connected with the discharging block 2223 and the rotating rod 2221, so that the discharging block 2223 is unfolded under the elastic force of the torsion spring 2222, and the unfolded height of the discharging block 2223 is level with the height of the corresponding forming section 221, so that the feeding mechanism 5 performs feeding, so that the blank 600 can be placed on the unfolded discharging block 2223, thereby the blank 600 is supported by the two discharging blocks 2223 and the forming roller 22, so that the blank 600 is horizontally placed in the forming area 120, and thus the blank 600 can be conveniently formed by the subsequent forming blocks 21.

It can be understood that the placing surface of the discharging plate 2223 is arc-shaped, and the diameter of the circle corresponding to the arc-shape is the same as the diameter of the corresponding forming section 221, so that when the forming block 21 extrudes the blank 600 to bend, the discharging plate 2223 synchronously rotates around the rotating rod 2221 along with the blank 600 and compresses the torsion spring 2222 until the discharging plate 2223 coincides with the mounting groove 220, and at this time, the whole forming section 221 is cylindrical.

In one embodiment of the present application, as shown in fig. 8, 16 and 17, the adjustment driving mechanism 4 includes a baffle plate 41, a baffle frame 42 and a first telescopic device 43; wherein the baffle 41 and the blocking frame 42 are installed in the molding cavity 110, and the baffle 41 and the blocking frame 42 are both in sliding fit with the positioning groove 1100 through the second positioning blocks 402 arranged at four corners. Baffle 41 and fender frame 42 offset with the both ends of forming component 2 respectively, wherein keep off the frame 42 and be located forming component 2 and be close to one side of feed mechanism 5, baffle 41 is the opposite side of forming component 2, and baffle 41 and keep off and pass through connecting plate 401 fixed connection between the frame 42. Meanwhile, a supporting sleeve 404 is fixed on one side of the baffle plate 41 far away from the forming assembly 2, and the forming roller 22 is installed in the supporting sleeve 404. First telescoping device 43 fixed mounting is in the upper portion of casing 11, and the output of first telescoping device 43 is connected with first telescopic link 44, first telescopic link 44 is connected through the fixed connecting seat 403 on a pair of fender ring 405 that sets up and the connecting plate 401, thereby first telescoping device 43 can drive connecting seat 403 through first telescopic link 44 and slide along the spout 113 that casing 11 top set up, and then can drive shaping subassembly 2 through baffle 41 and fender frame 42 and remove along shaping chamber 110, move to shaping district 120 with the realization with any set of shaping piece 21 and the shaping section 221 that corresponds.

In this embodiment, as shown in fig. 5 and fig. 8 to fig. 10, the forming roller 22 is slidably fitted with the supporting sleeve 404, the end portion of the supporting sleeve 404 far from the baffle 41 is fixedly provided with the second telescopic device 46, the output end of the second telescopic device 46 is connected with the tail end of the forming roller 22 through the second telescopic rod 406, and then after the blank 600 is formed in the forming area 120 by stamping, the forming roller 22 can be retracted into the supporting sleeve 404 under the driving of the second telescopic device 46, so that the formed bearing bush is conveniently discharged from the discharging port 117 arranged below the forming area 120.

It will be appreciated that the length of the support sleeve 404 is greater than the length of the mold roll 22 to enable the mold roll 22 to be fully retracted within the support sleeve 404 to ensure that the mold roll 22 does not correspond to any mold blocks 21 after retraction.

One embodiment of the present application is shown in fig. 4, 5, 11, 12, and 18-21. Notches 116 are formed in four corners of the forming area 120 of the shell 11, two forming driving mechanisms 3 are provided, the two forming driving mechanisms 3 are respectively installed on two sides of the shell 11, and each forming driving mechanism 3 comprises a driving device 31, a transmission assembly and a pair of clamping assemblies 34; the two clamping assemblies 34 are respectively installed above and below one side of the forming area 120, and the clamping assemblies 34 can pass through the notches 116 to clamp the forming block 21 in the forming area 120. The driving device 31 is fixedly installed on the installation plate 112 arranged at the side of the housing 11, and the driving device 31 can be connected with the two clamping assemblies 34 through the transmission assembly, so that the two clamping assemblies 34 can be driven to clamp the forming block 21 to move towards the center of the forming roller 22, and the blank 600 can be formed and blanked.

In this embodiment, as shown in fig. 4, 5, 12 and 18 to 21, a pair of support plates 111 is fixed to the middle portion of the outer side of the housing 11, and a region of the molding cavity 110 between the two support plates 111 is a molding region 120. The four corners of the end surfaces of the two supporting plates 111 are provided with guide grooves 1110, the extending direction of the guide grooves 1110 faces the forming roller 22, and the ends of the four corners of the two supporting plates 111 are provided with supporting seats 1111. The clamping assembly 34 includes a first crank shaft 341, a hinge plate 342 and a clamping plate 343, wherein the first crank shaft 341 is rotatably connected to a corresponding supporting seat 1111, the clamping plate 343 is slidably engaged with a corresponding guiding groove 1110 through a laterally disposed guiding block 3431, an upper end of the clamping plate 343 is hinged to the first crank shaft 341 through the hinge plate 342 to form a crank-slider mechanism, and a lower end of the clamping plate 343 is provided with a clamping groove 3430. The driving device 31 can drive the first crankshaft 341 to rotate through the transmission assembly, and then the first crankshaft 341 can drive the clamping plate 343 to slide along the guide slot 1110 through the hinge plate 342; when the clamping plate 343 is driven by the first crankshaft 341 to be located at a position far away from the forming roller 22, the clamping groove 3430 can be aligned with the positioning groove 1100, and any one set of forming blocks 21 can be clamped with the clamping groove 3430 through the first positioning block 2101 when moving to the forming area 120; when the clamping plate 343 is driven by the first crankshaft 341 to be close to the forming roller 22, the clamping plate 343 may drive the forming block 21 clamped by the clamping groove 3430 to stamp the blank 600 on the forming roller 22, thereby implementing the forming process of the bearing bush.

In this embodiment, when the grip block 343 through the four corners drove the shaping piece 21 and extrudes the blank 600, the initial contact point position of shaping piece 21 and blank 600 keeps away from the middle part of blank 600 to compare traditional semi-circular forming die, the shaping piece 21 of this embodiment has longer punching press arm, and then when reaching the same punching press effect, the required drive power of the shaping piece 21 of this embodiment is littleer.

It is understood that the structure of the molding groove 3430 is the same as that of the positioning groove 1100. The guide block 3431 is a rectangular block so that when the clamping plate 343 is driven by the first crankshaft 341 to move along the guide groove 1110, the clamping plate 343 drives the forming block 21 to move against the forming roller 22 all the time.

In this embodiment, as shown in fig. 11, 12 and 18 to 21, the transmission assembly includes a first missing gear 321, a first driving gear 322, a second missing gear 331 and a second driving gear 332. First lack gear 321 and drive shaft 301 of drive arrangement 31 output installation and be connected, first drive gear 322 and the first bent axle 341 end connection on the homonymy below clamping component 34, the diameter of first lack gear 321 is twice of first drive gear 322 diameter, set up on the first lack gear 321 and be semicircular first teeth of a cogwheel section 3211, first lack gear 321 can carry out the meshing through first teeth of a cogwheel section 3211 and first drive gear 322, and then can move by intermittent drive grip block 343 of homonymy below. The second lacks gear 331 and is connected with drive shaft 301 also, second drive gear 332 is connected with first bent axle 341 on the homonymy top centre gripping subassembly 34, the diameter that the second lacks gear 331 is twice of second drive gear 332, be provided with second teeth of a cogwheel section 3311 and third wheel teeth section 3312 that all are the quarter circle on the second lacks gear 331, and second teeth of a cogwheel section 3311 and third wheel teeth section 3312 symmetry set up, second lacks gear 331 can pass through second teeth of a cogwheel section 3311 and third wheel teeth section 3312 and meshes with second drive gear 332, and then can move by clearance drive grip block 343 of homonymy top.

In this embodiment, in order to ensure that the first missing gear 321, the first driving gear 322, the second missing gear 331 and the second driving gear 332 can be stably meshed without being too large in size, a plurality of transition gears 302 may be respectively installed between the first missing gear 321 and the first driving gear 322 and between the second missing gear 331 and the second driving gear 332, and the transition gears 302 are respectively meshed with the first missing gear 321, the first driving gear 322, the second missing gear 331 and the second driving gear 332, so that the design size of the gears can be effectively reduced, and the processing cost is reduced.

In this embodiment, the specific working process of the transmission assembly driving the clamping assembly 34 is as follows, and since the working principle and the process of the driving mechanisms 3 on both sides of the housing 11 are the same, only the transmission assembly in the single-side driving mechanism 3 needs to be described.

As shown in fig. 18, when first missing gear 321 is not engaged with first drive gear 322, second gear tooth segment 3311 of second missing gear 331 is about to engage with second drive gear 332; at this time, the clamping plates 343 at four corners of the forming area 120 are all located at positions far away from the forming rollers 22, so that the first crankshafts 341 are all located at the first limit position; at this time, the discharging blocks 2223 on both sides of the forming section 221 located at the forming region 120 on the forming roller 22 are in an unfolded state, and the feeding mechanism 5 just feeds the blank 600 onto the discharging blocks 2223.

As shown in fig. 19, the drive shaft 301 drives the first and second

missing gears

321 and 331 to rotate clockwise by 90 °. The first missing gear 321 is not engaged with the first driving gear 322 during the rotation, and the first gear segment 3211 on the first missing gear 321 is at the position to be engaged with the first driving gear 322. The second missing gear 331 can drive the first crankshaft 341 above the same side to rotate 180 degrees through the meshing of the second gear tooth segment 3311 and the second driving gear 332 in the rotating process, so that the first crankshaft 341 is located at the second limit position, and the clamping plate 343 above the molding area 120 can be driven to drive the molding block 21 to move to be matched with the molding segment 221 in the rotating process of the first crankshaft 341, so that the blank 600 on the material placing block 2223 can be bent and stamped; and second gear tooth segment 3311 on second missing gear 331 is now in a position to be disengaged from second drive gear 332.

As shown in fig. 20, the driving shaft 301 continues to drive the first and second

missing gears

321 and 331 to rotate clockwise by 90 °. The first missing gear 321 can drive the first crankshaft 341 below the same side to rotate 180 degrees through the meshing of the first gear tooth segment 3211 and the first driving gear 322 in the rotating process, so that the first crankshaft 341 is located at the second limit position, the clamping plate 343 below the forming area 120 can be driven to drive the forming block 21 to move to be matched with the forming segment 221 in the rotating process of the first crankshaft 341, and then the blank 600 bent on the forming roller 22 can be continuously punched into a circular ring shape to complete the forming processing of the bearing bush; and the first gear segment 3211 on the first missing gear 321 is now in a position to continue to mesh with the first drive gear 322. The second missing gear 331 is not meshed with the second driving gear 332 in the rotating process, so that when the lower clamping plate 343 drives the forming block 21 to perform forming stamping, the lower clamping plate 343 generates a thrust force along the direction of the guide groove 1110 on the upper clamping plate 343, and since the upper first crankshaft 341 is located at the dead point position, the upper clamping plate 343 is in a stationary state under the thrust force of the lower clamping plate 343; the third wheel tooth segment 3312 on the second missing gear 331 is now in a position to engage the second drive gear 332.

As shown in fig. 21, the second telescoping device 46 retracts the forming roller 22 into the supporting sleeve 404, and then the driving shaft 301 continues to drive the first and

second gears

321 and 331 to rotate clockwise by 90 °. The first missing gear 321 is continuously meshed with the first driving gear 322 through the first gear tooth segment 3211 in the rotating process, and can drive the first crankshaft 341 below the same side to rotate 180 degrees again, so that the first crankshaft 341 can be reset to the first limit position, and the clamping plate 343 below the molding area 120 can be driven to drive the molding block 21 to reset to the initial state in the rotating process of the first crankshaft 341, so that the press-molded blank 600 falls to the blanking port 117 for blanking; and the first gear segment 3211 on the first missing gear 321 is now in a position to be disengaged from the first drive gear 322. The second missing gear 331 can drive the first crankshaft 341 above the same side to continue to rotate 180 degrees through the meshing of the third gear segment 3312 and the second driving gear 332 in the rotating process, so that the first crankshaft 341 can be reset to the first limit position, and the clamping plate 343 above the molding area 120 can be driven to drive the molding block 21 to reset to the initial position in the rotating process of the first crankshaft 341; the third wheel tooth segment 3312 on the second missing gear 331 is now in a position to be disengaged from the second drive gear 332.

The forming process of the blank 600 may be completed by the above-described process. Subsequently, the second retracting device 46 drives the forming roller 22 to the forming zone 120, and then the driving shaft 301 drives the first gear wheel 321 and the second gear wheel 331 to rotate clockwise by 90 ° to the state shown in fig. 18. During the rotation of the first and

second gears

321, 331, the first gear 321 is not engaged with the first driving gear 322, and the second gear 331 is not engaged with the second driving gear 332, so that the first crankshaft 341 above and below the forming area 120 is kept still at the first limit position, and the feeding mechanism 5 can feed the next blank 600 onto the forming roller 22 during the process, and then the above process is repeated to perform the forming process of the next blank 600.

It is understood that, with the slider-crank mechanism, when the crank is the driving source, the entire slider-crank mechanism has no dead point position, and when the driving source is the slider, the entire slider-crank mechanism has two dead point positions.

In one embodiment of the present application, as shown in fig. 13 to 17 and 22, the feeding mechanism 5 includes a feeding table 51, a discharge box 52, a feeding plate 53, and a second crankshaft 54. Wherein the feeding table 51 is installed at the end of the housing 11, one side of the feeding table 51 is provided with an extension table 514, and the extension table 514 extends to be close to the molding zone 120 and is aligned with the molding section 221 located at the molding zone 120. The discharging box 52 is detachably arranged on the feeding table 51, a plurality of blanks 600 to be punched are placed in the discharging box 52, and a gap exists between the bottom end of the discharging box 52 and the feeding table 51. The end face of the feeding table 51 is provided with a feeding groove 515, the feeding plate 53 is located on one side of the feeding table 51 far away from the extension table 514 and is in sliding connection with the feeding groove 515, the upper end of the feeding plate 53 is higher than the end face of the feeding table 51, so that the feeding plate 53 pushes the blank 600 at the lowest position in the discharging box 52 to the extension table 514 through sliding along the feeding groove 515, and the blank 600 closest to the forming area 120 on the extension table 514 is pushed to the discharging assembly 222 of the forming area 120, and feeding of the blank 600 is achieved. A push plate 531 is fixed at the end part of the feeding plate 53 far away from the feeding table 51, and a matching groove 532 is arranged on the push plate 531; the second crankshaft 54 is rotatably mounted on the supporting frame 114 arranged on the side of the housing 11, the second crankshaft 54 can be matched with the matching groove 532, meanwhile, a bevel gear 541 is mounted at one end of the second crankshaft 54, the end of the driving shaft 301 on the same side as the bevel gear 541 extends to be close to the bevel gear 541 and is provided with a missing-tooth bevel gear 303, the diameter of the missing-tooth bevel gear 303 is twice that of the bevel gear 541, a semicircular conical tooth section 3031 is arranged on the missing-tooth bevel gear 303, and the missing-tooth bevel gear 303 can be meshed with the bevel gear 541 through the conical tooth section 3031, so that the second crankshaft 54 is driven intermittently to drive the feeding plate 53 to slide along the feeding groove 515, and therefore intermittent and continuous feeding of the blank 600 is achieved.

In this embodiment, the size of the material placing box 52 can be changed according to the size of the bearing bush to be formed, so that the blank 600 meeting the requirement of the production size can be placed. Meanwhile, the height of the gap between the bottom end of the discharge box 52 and the feeding table 51 is larger than the thickness of a single blank 600 and smaller than the thickness of two blanks 600. The height of the upper end of the feeding plate 53 higher than the feeding platform 51 is matched with the height of the gap between the discharging box 52 and the feeding platform 51.

In this embodiment, as shown in fig. 23, in the specific working process of the missing-tooth bevel gear 303 and the bevel gear 541, for convenience of description, the meshing state of the missing-tooth bevel gear 303 and the bevel gear 541 in fig. 23 is divided into a, b, c, and d from top to bottom. When the transmission assembly is in the state of fig. 18, the feeding plate 53 completes feeding under the driving of the second crankshaft 54, and the missing-tooth bevel gear 303 and the bevel gear 541 are in the state of meshing a as shown in fig. 23, i.e. the middle part of the bevel gear segment 3031 is meshed with the bevel gear 541. When the transmission assembly is in the state of fig. 19, the bevel gear 541 rotates 180 ° under the meshing of the conical tooth segments 3031 on the missing-tooth bevel gear 303 to the state b in fig. 23, and the feeding plate 53 moves to the position farthest away from the extension table 514 under the driving of the second crankshaft 54, so that the blank 600 at the lowest position of the discharge box 52 falls onto the feeding table 51 under the action of gravity; and the upper bevel gear segment 3031 of the missing-teeth bevel gear 303 is now in a position to be disengaged from the bevel gear 541. When the transmission assembly is in the state of fig. 20, as shown in the state c of fig. 23, the missing-tooth bevel gear 303 is not engaged with the bevel gear 541 during rotation. When the transmission assembly is in the state shown in fig. 21, as shown in the state d in fig. 23, the missing-teeth bevel gear 303 is not engaged with the bevel gear 541 during the rotation, but the bevel gear segment 3031 on the missing-teeth bevel gear 303 is at the position to be engaged with the bevel gear 541. When the transmission assembly continues to rotate to the state shown in fig. 18, the bevel gear segment 3031 on the missing-tooth bevel gear 303 and the bevel gear 541 are meshed again to the state a shown in fig. 23, in the process, the bevel gear 541 drives the second crankshaft 54 to rotate 180 °, so as to drive the feeding plate 53 to move towards the direction close to the extension table 514, and therefore the blank 600 at the lowest position of the feeding box 52 is pushed onto the extension table 514, so that the blank 600 at the closest position to the forming area 120 on the extension table 514 is pushed onto the feeding assembly 222 for feeding; and then repeating the above process.

In one embodiment of the present application, as shown in fig. 8, 13, 16 and 17, fixing plates 511 are fixed to both sides of the feeding table 51, and vertical limiting grooves 512 are disposed on the fixing plates 511. Both sides of the end of the housing 11 are provided with vertical limiting plates 115, and the feeding table 51 can be slidably connected with the limiting plates 115 through limiting grooves 512. Simultaneously the top of fixed plate 511 is fixed with kicking block 513, and the tip of first telescopic link 44 still is fixed with roof 45, and roof 45 cooperates with kicking block 513 to when feed mechanism 5 carries out the material loading, material loading platform 51 can form stable bearing structure through spacing groove 512 and limiting plate 115's cooperation and kicking block 513 and roof 45's cooperation, thereby guarantees that material loading platform 51 keeps stable quiescent condition when the material loading.

In this embodiment, as shown in fig. 8, 16 and 17, the top plate 45 is in a stepped shape, the number of steps of the top plate 45 is adapted to the number of the forming sections 221 of the forming roller 22, and meanwhile, the height difference between adjacent steps on the top plate 45 is equal to the radius difference between corresponding adjacent forming sections 221 on the forming roller 22, so that when the first telescopic rod 44 drives the forming assembly 2 to move, the top plate 45 can move synchronously with the first telescopic rod 44, and further, the feeding table 51 can be driven to slide up and down along the limiting groove 512 through the cooperation of the stepped structure and the top block 513, so that it can be ensured that the extending table 514 is always aligned with the forming sections 221 located in the forming area 120.

In this embodiment, as shown in fig. 8 and 13 to 17, the lower end of the side portion of the top block 513 is provided with an inclined surface, the adjacent steps of the top plate 45 are connected through the inclined surface, and further, when the top plate 45 moves, the top plate 45 and the top block 513 can be mutually press-fitted through the inclined surfaces to conveniently drive the feeding table 51 to move up and down.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a many sizes forming device of ring shape axle bush which characterized in that includes:

the device comprises a shell, a die holder and a die holder, wherein a forming cavity is arranged in the shell, and the middle part of the forming cavity is a forming area;

a feed mechanism mounted to the forming cavity, the feed mechanism adapted to feed a blank to the forming zone;

the forming assembly is slidably mounted in the forming cavity and comprises a plurality of groups of forming blocks and forming rollers which are arranged, forming grooves with the same size are formed in the plurality of forming blocks of each group, the forming grooves of each group are different in size, a plurality of forming sections with different sizes are arranged on the forming rollers, and the forming sections are correspondingly matched with the forming grooves;

the adjusting driving mechanism is arranged on the shell and is suitable for driving the forming assembly to move along the forming cavity so as to move any group of forming blocks and the forming section matched with the forming blocks to the forming area; and

the forming driving mechanism is arranged on the side part of the shell and is suitable for driving a group of forming blocks in the forming area to be matched with the corresponding forming sections so as to punch the blank into the circular bearing bush with the required size.

2. The multi-dimensional forming device for the circular bearing shell as claimed in claim 1, wherein: the cross section of the molding cavity is square, and positioning grooves are formed in four corners of the molding cavity; the forming roller is positioned in the center of the forming cavity; the number of the forming blocks in each group is four, and a first positioning block is fixed on each forming block, so that the four forming blocks in each group are respectively in sliding fit with the positioning grooves at four corners through the first positioning blocks; forming grooves in a quarter circle are formed in the forming blocks of each block; each forming block of each group is suitable for moving towards the forming roller under the driving of the forming driving mechanism, and then is matched with the corresponding forming section on the forming roller to form a circular stamping cavity.

3. The multi-dimensional forming device for the circular bearing shell as claimed in claim 2, wherein: the multiple groups of forming blocks are sequentially arranged according to the size of the forming groove, so that the forming sections on the forming roller are stepped; each the both sides of shaping section all are provided with the mounting groove, install the blowing subassembly in the mounting groove, the blowing subassembly includes bull stick, torsional spring and discharging piece, bull stick fixed mounting in the mounting groove, discharging piece with the bull stick rotates to be connected, the torsional spring cup joint in the bull stick, and the both ends of torsional spring respectively with discharging piece and the bull stick is connected, so that discharging piece is in expand under the elasticity of torsional spring, and then feed mechanism can with blank material loading extremely discharging piece places.

4. The multi-dimensional forming device for the circular bearing shell as claimed in claim 3, wherein: the adjustment drive mechanism includes:

the blocking frame is slidably arranged in the forming cavity and abuts against one end of the forming assembly;

the baffle is slidably arranged in the forming cavity, abuts against the other end of the forming assembly, is fixedly connected with the baffle frame through a connecting plate, a support sleeve is fixed on one side of the baffle, which is far away from the forming assembly, and the forming roller is arranged in the support sleeve; and

first telescoping device, first telescoping device fixed mounting in the upper portion of casing, first telescoping device's output is connected with first telescopic link, first telescopic link with the connecting plate is spacing to be connected, so that first telescoping device passes through first telescopic link drive the baffle with keep off the frame and drive the shaping subassembly is followed the shaping chamber removes, and then can be with arbitrary group become the briquetting and correspond the shaping section removes extremely the shaping district.

5. The multi-dimension forming device of the circular ring-shaped bearing bush as claimed in claim 4, wherein: the forming roller is in sliding fit with the supporting sleeve, a second telescopic device is fixedly mounted at the end part of the supporting sleeve, and the output end of the second telescopic device is connected with the tail end of the forming roller through a second telescopic rod; the forming roller is suitable for being contracted into the supporting sleeve under the driving of the second telescopic device, and then the formed bearing bush is blanked.

6. The multi-dimensional forming device for the circular bearing shell as claimed in claim 4 or 5, wherein: notches are formed in the four corners of the forming area of the shell; the two forming driving mechanisms are respectively arranged on two sides of the shell and comprise a driving device, a transmission assembly and a pair of clamping assemblies, the two clamping assemblies are respectively arranged above and below one side of the forming area, and the clamping assemblies are suitable for penetrating through the notches and clamping the forming blocks positioned in the forming area; the driving device is fixedly arranged on the shell and is suitable for being connected with the clamping assembly through the transmission assembly, so that the clamping assembly is driven to clamp the forming block to move towards the center of the forming roller.

7. The multi-dimension forming device of the circular ring-shaped bearing bush as claimed in claim 6, wherein: a pair of supporting plates is fixed in the middle of the outer side of the shell, and the area of the forming cavity between the two supporting plates is the forming area; four corners of the end surfaces of the two support plates, which are opposite to each other, are provided with guide grooves, the extending direction of the guide grooves faces the forming roller, and four corners of the two support plates are provided with support seats;

the clamping assembly comprises:

a hinge plate;

the first crankshaft is rotatably connected with the supporting seat, and the end part of the first crankshaft is connected with the transmission assembly so that the first crankshaft rotates under the driving of the driving device; and

the clamping plate is in sliding fit with the guide groove through a guide block arranged on the side part, the upper end of the clamping plate is hinged with the first crankshaft through a hinged plate, and the lower end of the clamping plate is provided with a clamping groove; the first crankshaft is suitable for driving the clamping plate to slide along the guide groove through the hinged plate; when the clamping plate is positioned far away from the forming roller, the clamping groove is aligned with the positioning groove, and any group of forming blocks positioned in the forming area are clamped with the clamping groove through the first positioning block; when the clamping plate is close to the forming roller, the forming block can be driven by the clamping plate to stamp the blank on the forming roller.

8. The multi-dimensional forming device for the circular bearing shell as claimed in claim 7, wherein: the transmission assembly includes:

the first driving gear is connected with the first crankshaft below the same side;

the first gear lack is connected with a driving shaft installed at the output end of the driving device, the diameter of the first gear lack is twice that of the first driving gear, a semicircular first gear tooth section is arranged on the first gear lack, and the first gear lack is suitable for being meshed with the first driving gear through the first gear tooth section so as to intermittently drive the clamping plate below the same side to reciprocate;

the second driving gear is connected with the first crankshaft above the same side; and

the gear is lacked to the second, the second lack the gear with the drive shaft is connected, the diameter that the gear is lacked to the second does second drive gear is two times, it all is second round tooth section and third round tooth section that is the quarter circle to be provided with on the gear is lacked to the second, just second round tooth section with third round tooth section symmetry sets up, the second lack the gear be suitable for through second round tooth section with third round tooth section with second drive gear meshes, and then can clearance drive homonymy top the grip block carries out reciprocating motion.

9. The multi-dimensional molding device for the circular bearing shell as claimed in claim 8, wherein: the feed mechanism includes:

the feeding table is connected with the shell, an extension table is arranged on one side of the feeding table, the extension table extends to a position close to the forming area and is aligned with the forming section in the forming area, and a feeding groove is formed in the end face of the feeding table;

the discharging box is detachably arranged on the feeding table, a plurality of blanks to be punched are placed in the discharging box, and a gap is formed between the bottom end of the discharging box and the feeding table;

the feeding plate is positioned on the other side of the feeding platform and is in sliding connection with the feeding groove, and the upper end of the feeding plate is higher than the end face of the feeding platform, so that the feeding plate pushes the blank at the lowest position in the material placing box to the extension platform through sliding along the feeding groove, and the blank closest to the forming area on the extension platform is pushed to the material placing assembly for feeding; a push plate is fixed at the end part of the feeding plate far away from the feeding table, and a matching groove is formed in the push plate; and

the second crankshaft is rotatably mounted on a support frame arranged on the side part of the shell and is in fit connection with the fit groove; the feeding plate is characterized in that a bevel gear is mounted at one end of the second crankshaft, a tooth-lacking bevel gear is mounted at the end part of the driving shaft, which is on the same side with the bevel gear, the diameter of the tooth-lacking bevel gear is twice that of the bevel gear, a semicircular bevel gear section is arranged on the tooth-lacking bevel gear, and the tooth-lacking bevel gear is suitable for being meshed with the bevel gear through the bevel gear section, so that the second crankshaft is driven intermittently to drive the feeding plate to slide back and forth along the feeding groove.

10. The multi-dimensional molding apparatus for the circular bearing shell as claimed in claim 9, wherein: fixing plates are fixed on two sides of the feeding table, vertical limiting grooves are formed in the fixing plates, vertical limiting plates are arranged on two sides of the end portion of the shell, and the feeding table is suitable for being in sliding connection with the limiting plates through the limiting grooves; the top of the fixed plate is fixed with a top block, the end part of the first telescopic rod is also fixed with a top plate, the top plate is in a step shape, and the top plate is suitable for being matched with the top block so that the feeding table is in a static state during feeding; when first telescopic link drive when the shaping subassembly removes, the roof be suitable for through the stair structure with the cooperation of kicking block is in order to drive the material loading platform is followed the spacing groove slides from top to bottom, and then can guarantee extend the platform all the time with be located the shaping district the shaping section aligns.