CN212371233U

CN212371233U - Material circulation device, drilling mechanism and machining center

Info

Publication number: CN212371233U
Application number: CN202021239057.4U
Authority: CN
Inventors: 管培阳; 管小丽; 陈国炎; 孙奎洲; 陈修祥; 李奇林; 张静; 谢尧
Original assignee: Jiangsu University of Technology
Current assignee: Jiangsu University of Technology
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-01-19
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a work piece manufacturing field, in particular to material circulation device, drilling mechanism and machining center. A material flow device comprising: the supporting body extends along the feeding direction, and the tail end of the supporting body in the feeding direction is provided with a transfer area; the driving piece is used for driving the workpiece to move along the feeding direction; a transfer module for holding a workpiece, the transfer module configured for linear sliding mounting, the transfer module to and from the transfer zone and processing station; wherein the transfer module comprises: the bearing part is on the same horizontal plane with the bearing surface of the bearing body; and the pressing part is used for pressing and fixing the workpiece. The lock workpiece production line solves the technical problems that in the prior art, when workpieces are processed, a conveying device is required to stop, continuous production cannot be realized, the automation degree is low, and the efficiency is low.

Description

Material circulation device, drilling mechanism and machining center

Technical Field

The utility model relates to a work piece manufacturing field, in particular to material circulation device, drilling mechanism and machining center.

Background

The lock core is a main part for controlling the lock to be opened, is a heart of the lock, is a core part which can rotate along with a key and drive the lock bolt to move, has extremely high precision requirement, and a liner hole of the lock core is used as an important ring for processing the lock core, and is pressurized on a cutter die by means of acting force of machine movement to drill a section bar of the lock core. The lock is widely used in life, the demand is large, assembly line type production is mostly adopted in the market at present, the lock cylinder liner hole is machined to serve as an important work station on the assembly line, when the lock is produced on site, a conveying device is needed to pause when workpieces are machined, after machining is completed, the conveying device is sent out, the assembly line needs to pause for multiple times in production, the efficiency is low, and the automation degree is low.

Disclosure of Invention

In order to solve among the prior art on the tool to lock work piece production water line, when processing the work piece, need conveyor to pause, unable continuous production, technical problem that efficiency is low, the utility model provides a material circulation device and drilling mechanism have solved above-mentioned technical problem. The technical scheme of the utility model as follows:

a material flow device comprising: the supporting body extends along the feeding direction, and the tail end of the supporting body in the feeding direction is provided with a transfer area; the driving piece is used for driving the workpiece to move along the feeding direction; a transfer module for holding a workpiece, the transfer module configured for linear sliding mounting, the transfer module to and from the transfer zone and processing station; wherein the transfer module comprises: the bearing part is on the same horizontal plane with the bearing surface of the bearing body; and the pressing part is used for pressing and fixing the workpiece.

The utility model discloses a material circulation device, the supporting body extends along the pay-off direction, and the end that is located the pay-off direction disposes the transfer district, and driving piece drive work piece removes to the transfer district back along the supporting body, transports module centre gripping work piece, and the straight line back and forth movement can realize incessant material loading in succession between transfer district and processing station, guarantees that production is incessant. Specifically, the transfer module comprises: the bearing part is on the same horizontal plane with the bearing surface of the bearing body; the workpiece is directly conveyed to the bearing part from the bearing body without other auxiliary mechanisms, and the pressing part is used for pressing and fixing the workpiece.

According to the utility model discloses an embodiment, at least one processing station, every are overall arrangement respectively to the both sides of pay-off direction processing station corresponds a transportation module of configuration.

According to an embodiment of the invention, the upstream direction and the downstream direction of the transfer zone are both provided with the carrier and the driving member.

According to an embodiment of the present invention, the carrier comprises: the guide plate is provided with a guide groove; the limiting block is provided with a limiting groove, and the limiting block and the guide plate are matched to limit the moving direction of the workpiece.

According to the utility model discloses an embodiment, the driving piece is the shift fork, the shift fork is driven by the drive module, the drive module includes: the shifting fork is arranged on the base in a sliding manner; the first linear module is used for driving the shifting fork to move along the feeding direction; and the second linear module is used for driving the base to lift.

According to the utility model discloses an embodiment, the shift fork has a plurality of shift fork mouths.

According to the utility model discloses an embodiment, the transportation module still includes:

and the driving module is used for driving the pressing part to perform pressing action.

A drilling mechanism is used for machining lock cylinder and liner holes and comprises the material circulation device, and the machining station is configured as a drilling station.

The utility model discloses a drilling mechanism carries the work piece to drilling worker station automatically at material transfer device, and drilling worker station can drill to the locking device work piece.

According to an embodiment of the invention, each of the drilling stations comprises two oppositely arranged drilling machines.

A machining center comprises the material circulation device.

Based on the technical scheme, the utility model discloses the technological effect that can realize does:

1. the utility model discloses a material circulation device includes supporting body, driving piece and transportation module, and wherein, the supporting body extends along the pay-off direction, and the end that is located the pay-off direction disposes the transfer district, and driving piece drive work piece removes to the transfer district along the supporting body, then transports the module and snatchs the work piece, transports the module and shifts the straight line back and forth movement between district and processing station, realizes incessant material loading in succession.

2. The utility model discloses a material circulation device, at least one processing station of overall arrangement respectively, every are distinguished to the both sides of pay-off direction processing station corresponds a transportation module of configuration. In this embodiment, the driving piece drives the workpiece to slide along the bearing table, the driving piece conveys the workpiece to the transfer module, the transfer module on one side conveys the workpiece to the processing station for processing, and the workpiece transfer module on the other side conveys the next workpiece to the processing station for processing. The previously machined workpieces are transported back to the transfer area by the transfer module. The lock core that the downstream direction's shift fork can be processed this moment moves the supporting body of downstream direction, and the lock core that treats processing can be moved to the transport module of transshipment district to the shift fork of upstream direction simultaneously. Thus realizing uninterrupted processing.

3. The transfer module of the utility model comprises a compressing part, a bearing part and a fixing part, wherein the compressing part is used for compressing and fixing a workpiece, and the bearing part is in the same shape and at the same height with the bearing surface of the bearing body; the work piece can directly be carried to the portion of accepting from the supporting body is direct, the utility model discloses a transport module does not need other complementary unit in transporting the work piece, has simplified the structure, has reduced occupation space, saves the cost.

4. The utility model discloses a drilling mechanism, drilling mechanism are configured to the drilling worker station, carry the work piece to the drilling worker station automatically at material transfer device, and the drilling worker station can drill to the locking device work piece. Preferably, drilling mechanism is two sets of at least, and drilling mechanism symmetry parallel distribution places at material circulation device both sides and perpendicular to transport module direction of motion, and this kind of overall arrangement of placing reduces and transports module transport distance, avoids drilling mechanism and transports the module counterpoint, can improve production efficiency. Furthermore, each drilling station comprises two drilling machines which are arranged oppositely, the rotary cutter axes of the drilling machines are on the same straight line, the axes of the holes on two sides of the workpiece can be ensured to be on the same straight line and do not deviate, and the processing precision is improved.

Drawings

Fig. 1 is a schematic structural diagram of a material circulation device in the first embodiment;

fig. 2 is a schematic structural diagram of a limiting block in the first embodiment;

FIG. 3 is a schematic structural diagram of a driving member in the first embodiment;

fig. 4 is a schematic structural diagram of a transfer module in the first embodiment;

FIG. 5 is a schematic structural diagram of a driving module according to the first embodiment;

FIG. 6 is a schematic structural diagram of a second slider in the first embodiment;

fig. 7 is a schematic structural view of a drilling machine in the second embodiment;

FIG. 8 is a schematic structural diagram of a fourth linear module according to the second embodiment;

fig. 9 is a schematic structural diagram of a drilling station in the second embodiment.

In the figure:

1-a bearing body, 11-a limiting block, 111-a limiting groove, 12-a guide plate and 121-a guide groove;

2-driving piece, 21-fork opening;

3-a transfer module, 31-a bearing part, 32-a compacting part, 33-a driving module, 34-a first mounting seat, 35-a first driving piece, 36-a third linear module, 361-a first screw rod, 362-a first nut, 37-a first support, 38-a first slide block and 39-a first guide rail;

4-drive module, 41-base, 411-second slider, 4111-slider groove, 42-first linear module, 421-linear cylinder, 43-second linear module, 44-connecting block, 45-second guide rail, 46-connecting arm;

5-processing station, 51-second driving part, 52-rotating shaft, 53-drilling part, 54-second mounting seat, 55-third sliding block, 56-third guide rail, 57-second support, 58-third driving part, 59-fourth linear module, 591-second screw rod and 52-second nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The first embodiment is as follows:

as shown in fig. 1 to 9, the present embodiment provides a material circulation device, which includes a supporting body 1, a driving member 2 and a transfer module 3, wherein the supporting body 1 extends along a feeding direction, a transfer area is configured at a terminal end of the feeding direction, the driving member 2 drives a workpiece to move along the supporting body 1 to the transfer area, then the transfer module 3 grabs the workpiece, and the transfer module 3 moves back and forth between the transfer area and a processing station 4, so as to realize continuous and uninterrupted feeding.

Preferably, the carrier 1 of the present embodiment comprises a guide plate 12, the guide plate 12 has a guide slot 121, the workpiece is placed in the guide slot 121, and the workpiece does not deflect when the guide slot 121 is driven to move. The bearing body 1 further comprises a limiting block 11, the limiting block 11 is fixedly mounted on the guide plate 12, the limiting block 11 is provided with a limiting groove 111, the limiting groove 111 is arranged above the guide groove 121, the workpiece penetrates through the limiting groove 111 and the guide groove 121 to move after being stirred, the moving direction of the workpiece can be limited, and the workpiece cannot be separated from the bearing body 1, fall to the ground and damage the workpiece.

Preferably, stopper 11 is a plurality of and evenly arranges on supporting body 1, keeps equidistant between per two adjacent stoppers 11, and the purpose of setting up of interval is to avoid interfering the vertical removal of shift fork.

According to the utility model discloses an embodiment, the bottom of supporting body 1 is configured with the support channel-section steel, and supporting body 1 is by support channel-section steel fixed mounting.

In order to move the workpiece on the supporting body 1, the driving member 2 in this embodiment is a shifting fork, the shifting fork is provided with a plurality of shifting fork openings 21, the shifting fork is driven by the driving module 4 to drive the workpiece to move along the feeding direction, wherein the width of the shifting fork openings 21 is matched with the size of the workpiece, as long as the workpiece can be limited and driven, and the specific structure is not limited.

Drive module 4 in this embodiment includes base 41, first straight line module 42 and second straight line module 43, slidable mounting shift fork on the base 41, specifically, base 41 is provided with second slider 411 towards one side of shift fork, and second slider 411 has slider groove 4111, and the shift fork can direct or indirect fixed connection in second guide rail 45, second guide rail 45 and slider groove 4111 sliding fit, realizes the sliding fit installation of shift fork and base 41 from this.

Further, the fork is driven by the first linear module 42 to move along the feeding direction, specifically, the first linear module 42 includes a linear cylinder 421, the linear cylinder 421 is fixed on the base 41 by means of a support, a telescopic rod of the linear cylinder 421 drives the fork through a connecting arm 46, referring to fig. 1, an end of the telescopic rod of the linear cylinder 421 is fixedly connected to a first end of the connecting arm 46, and a second end of the connecting arm 46 is directly or indirectly connected to the fork.

Preferably, in this embodiment, the shifting fork is fixedly connected to the second guide rail 45 through the connecting block 44, the side surface of the connecting block 44 is fixed to the second guide rail 45, the top surface of the connecting block 44 is screwed with the shifting fork, and one end of the connecting block 44 close to the connecting arm 46 is fixedly connected to the second end of the connecting arm 46, preferably, the connecting block 44 and the connecting arm 46 may also be integrally formed into an L-shaped structure, as long as the linear cylinder 421 can link the shifting fork, and the specific structure is not limited.

Further, in order to drive the shifting fork to move vertically to avoid the action, the bottom of the base 41 in the embodiment is provided with a second linear module 43, the second linear module 43 drives the base 41 to move vertically, and then the shifting fork is driven to move vertically to avoid the action. Preferably, the second linear module 43 comprises two linear cylinders.

The transfer module 3 in this embodiment is used for holding a workpiece. The transfer module 3 comprises a receiving part 31, a pressing part 32 and a driving module 33, the receiving part 31 is fixedly assembled, and the pressing part 32 is movably assembled so that the free end thereof can be close to or far away from the receiving part 31 to press the workpiece. Specifically, the pressing portion 32 is hinged, and the driving module 33 is a telescopic driving member, and a telescopic end of the telescopic driving member is movably connected with the pressing portion 32 to push the pressing portion 32 to swing along a hinge point. In this embodiment, a hinged seat is provided, the hinged seat is fixedly disposed on the upper surface of the receiving portion 31, the middle portion of the compressing portion 32 is hinged to the hinged seat, the telescopic driving member is mounted on the compressing portion 32, the telescopic end of the telescopic driving member is movably connected with the end of the compressing portion, which is far away from the free end, and the telescopic driving member telescopically pushes the compressing portion 32 to swing along the hinged point. Besides, the hinge point of the pressing portion 32 can be located at one end far away from the free end, and the telescopic driving member acts on the middle portion of the pressing portion 32 to drive the pressing portion 32 to swing, so long as the pressing portion 32 can swing to enable the free end to be close to or far away from the bearing portion 31. Still can set up the portion 32 that compresses tightly and have flexible driving piece to support and drive motion, the portion 32 that compresses tightly can move towards or keep away from the accepting part translation under the drive of flexible driving piece, in order to guarantee stability, can set up to two at least flexible driving pieces, two at least flexible driving pieces parallel mount are on accepting part 31, and synchronous motion, the flexible end of two at least flexible driving pieces all is connected with the portion 32 that compresses tightly, all flexible driving piece synchronous motion are in order to drive the portion 32 that compresses tightly and move towards or keep away from accepting part 31 translation. The telescopic drive member may be selected from, but not limited to, a pneumatic cylinder.

In order to be able to move the transfer module 3 to and from the transfer zone and the processing station 5, the transfer module 3 is mounted slidably on a third linear module 36, which can be moved to and fro by a first drive 35. Specifically, the transfer module 3 is fixedly mounted on the first mounting seat 34, the first mounting seat 34 is fixed on the second slide block 38, and the second slide block 38 and the first guide rail 39 are slidably assembled. The third linear module 36 is a screw nut assembly, the first screw 361 is rotatably disposed on the first support 37 along a direction parallel to the first guide rail 39, the first nut 362 is fixedly connected to the bottom surface of the first mounting seat 34, and when the first driving member 35 drives the first screw 361 to rotate, the first nut 362 on the first screw can drive the first mounting seat 34 and the transfer module 3 thereon to linearly reciprocate along the first guide rail 39. The first driving member 35 is optionally, but not limited to, a motor, and the driving end of the first driving member 35 drives the first lead screw 361 to rotate through a first transmission assembly, which may be a pulley or a gear set.

Preferably, the receiving part 31 of the transfer module 3 is in the same shape and at the same height as the bearing surface of the carrier 1; the distance from the side surface of the bearing part 31 to the side surface of the bearing body 1 is smaller than the length of the workpiece, the workpiece is directly conveyed to the bearing part 31 from the bearing body 1, the material transfer device does not need other auxiliary mechanisms in transferring the workpiece, the structure of the transfer module 3 is simplified, the occupied space of a machine table is reduced, and the cost is saved.

Example two:

the embodiment provides a drilling mechanism for processing a lock cylinder liner hole, the drilling mechanism comprises the material circulation device, the processing station 5 is configured as a drilling station, the drilling station comprises two drilling machines which are oppositely arranged, the drilling machines can respectively drill the lock cylinder from two sides to form the liner hole of the lock cylinder, in order to realize continuous processing of the lock cylinder liner hole, the drilling stations in the embodiment are two and are distributed on two sides in the feeding direction, each drilling station is correspondingly configured with a transfer module 3, the transfer module 3 is positioned between the two opposite drilling machines, further, the upstream direction and the downstream direction of a transfer area are both configured with a supporting body 1 and a driving part 2, and therefore the drilling mechanism capable of continuously operating is realized.

The last station of the drilling mechanism of this embodiment is cutting mechanism, is equipped with the transportation carrier between cutting mechanism and the drilling mechanism, and the lock core after the cutting mechanism cutting is accomplished can pass through the transportation carrier and transmit to on drilling mechanism's supporting body 1, then carry out continuous drilling work.

The working process of the drilling mechanism is as follows: at first shift fork lifting, the lock core on the transport carrier can be pushed away to the holding region that the first stopper 11 of supporting body 1 corresponds by the push rod, then the push rod resets, the shift fork is down fixes a position the lock core, then remove along the pay-off direction, remove the lock core to the holding region that next stopper 11 corresponds, then the shift fork lifting resets to the holding region that first stopper 11 corresponds, the push rod pushes away the second lock core to the holding region that first stopper 11 corresponds simultaneously, then shift fork and push rod circulate according to above-mentioned action, constantly send the lock core on the transport carrier to on the supporting body 1 and move towards the transfer region.

After the circulation action, the lock cylinder can be moved to the accommodating area corresponding to the limiting block 11 at the tail end, the transfer module can stop at the transfer area to receive materials, and the bearing part 31 of the transfer module 3 is consistent with the bearing surface of the bearing body 1 in shape and at the same height, so that the lock cylinder at the tail end can be conveyed to the bearing surface of the bearing part 31 in the lump when the shifting fork moves along the feeding direction, and then the lock cylinder is transferred to a drilling station by the transfer module to be drilled.

Because the number of the transfer modules 3 is two in the embodiment, when the lock cylinder on one of the transfer modules 3 is drilling, the other transfer module 3 can stop at the transfer area for feeding, and the operation is circulated according to the above actions.

And because the upstream direction and the downstream direction of the transfer area are both provided with the carrier 1 and the driving part 2, the carrier 1 and the driving part 2 in the upstream direction can be used for feeding, and the carrier 1 and the driving part 2 in the downstream direction can be used for blanking, thereby realizing continuous feeding and blanking. Specifically, can return to the transportation district after the lock core drilling on one of them transportation module 3 is accomplished, the carrier 1 of downstream direction can be removed to the lock core that the downstream direction was processed to downstream direction's shift fork this moment, and the shift fork of upstream direction can remove the lock core of treating processing to the transportation module 3 of transportation district on simultaneously to according to above-mentioned action circulation.

Through the mode, the drilling mechanism of this embodiment realizes continuous drilling processing, and efficiency improves greatly.

According to an embodiment of the present invention, the processing station 5 is configured as a drilling station, the drilling station includes two drilling machines arranged oppositely, the drilling machines include a second driving member 51 and a drilling member 53, and the drilling member 53 can drill the workpiece between the pressing portion 32 and the bearing portion 31 of the transfer module 3 under the driving of the second driving member 51. Specifically, the drilling member 53 and the rotating shaft 52 are fixedly assembled, and the rotating shaft 52 is connected with the second driving member 51 through a second transmission member. The drilling part 53 and the second driving part 51 are fixedly arranged on the second mounting seat 54, the second mounting seat 54 and the third sliding block 55 are fixedly arranged, the third sliding block 55 is slidably arranged on a third guide rail 56, the third guide rail 56 is fixedly arranged on a second support 57, and a fourth linear module 59 is arranged on the second support 57. During drilling, the third driving member 58 drives the second lead screw 591 of the fourth linear module 59 to rotate through the third transmission member, the second nut 592 on the third driving member drives the second mounting seat 54 and the second driving member 51 and the drilling member 53 thereon to move towards the transfer module 3, the drilling member 53 reaches the drilling position, the second driving member 51 drives the rotating shaft 52 to rotate through the second transmission member, and the rotating shaft 52 rotates to drive the drilling member 53 fixed thereon to drill. After the drilling operation, the drilling member 53 and the second driving member 51 are driven by the fourth linear module 59 to move away from the drilling position.

Example three:

this embodiment provides a machining center, and above-mentioned material circulation device can apply machining center, improves machining center's machining efficiency and degree of automation, and this machining center is not limited to drilling mechanism, can design into corresponding machining center based on the processing demand of difference.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A material transfer device, comprising:

the conveying device comprises a supporting body (1), wherein the supporting body (1) extends along a feeding direction, and a transfer area is arranged at the tail end of the supporting body (1) in the feeding direction;

the driving piece (2) is used for driving the workpiece to move along the feeding direction;

a transfer module (3), the transfer module (3) being for gripping a workpiece, the transfer module (3) being configured for linear sliding mounting, the transfer module (3) moving to and from the transfer zone and a processing station (5);

wherein the transfer module (3) comprises:

the bearing part (31), the shape of the bearing part (31) is consistent with that of the bearing surface of the bearing body (1) and the bearing part is at the same height;

the pressing part (32) is used for pressing and fixing the workpiece.

2. The material flow device according to claim 1, characterized in that at least one processing station (5) is arranged on each side of the feeding direction, and each processing station (5) is associated with a transfer module (3).

3. The material flow device according to claim 1, characterized in that the carrier body (1) and the drive element (2) are arranged both in the upstream direction and in the downstream direction of the transfer zone.

4. The material flow device according to claim 1, characterized in that the carrier (1) comprises:

a guide plate (12) having a guide groove (121) thereon;

the limiting block (11), the limiting block (11) is provided with a limiting groove (111), and the limiting block (11) and the guide plate (12) are matched to limit the moving direction of the workpiece.

5. The material flow device according to claim 1, characterized in that the driving member (2) is a fork, which is driven by a driving module (4), the driving module (4) comprising:

a base (41), wherein the shifting fork is arranged on the base (41) in a sliding way;

the first linear module (42) is used for driving the shifting fork to move along the feeding direction;

and the second linear module (43) is used for driving the base (41) to lift.

6. The material flow device according to claim 5, characterized in that the fork has a plurality of fork openings (21).

7. The material flow device according to claim 1, characterized in that the transfer module (3) further comprises:

the driving module (33), the driving module (33) is used for driving the pressing part (32) to do pressing action.

8. A drilling mechanism for cylinder bore machining, characterized in that it comprises a material flow device according to any of claims 1-7, the machining station (5) being configured as a drilling station.

9. Drilling mechanism according to claim 8, wherein each drilling station comprises two oppositely arranged drilling machines.

10. A machining center comprising a material flow device as claimed in any one of claims 1 to 7.