CN112108886A - Plate part post-treatment production line and production process thereof - Google Patents

Abstract

The invention relates to the technical field of mechanical part production, in particular to a plate part post-processing production line which comprises a chamfering machine, a drilling machine, a quenching machine tool and a grinding machine which are sequentially arranged, wherein part conveying devices are respectively arranged between the chamfering machine and the drilling machine, between the drilling machine and the quenching machine tool and between the quenching machine tool and the grinding machine; the part conveying device comprises a carrying mechanism for placing the plate parts and a conveying mechanism for conveying the carrying mechanism. When the staff need transport plate-like part between two kinds of equipment, only need place the part on carrying mechanism, transport mechanism can transport carrying mechanism and part automatically to realize the automatic transportation of part, reduce staff's manual labor, reduce the time that the staff spent in the part transportation, thereby effectively promote work efficiency.

Description

Plate part post-treatment production line and production process thereof

Technical Field

The invention relates to the technical field of mechanical part production, in particular to a plate part post-treatment production line and a production process thereof.

Background

At present, in the production and processing process of a die, all parts of the die need to be processed respectively, and then the parts of the die are spliced and assembled to form the whole die. Since plate-like parts such as templates, tie plates etc. are often present in the mould.

When plate parts such as a template and the like are processed, the parts are firstly preprocessed, wherein the preprocessing comprises blank manufacturing and milling of the end face and the side face of a blank, and the precision of each face of the parts is ensured; and then post-processing, which is based on pre-processing, to further finish the part, including drilling or grooving operations, surface heat treatment (quenching and tempering), and grinding. The drilling and slotting are completed by a drilling machine, the surface heat treatment is completed by a quenching machine tool, and the grinding processing is completed by a grinding machine.

However, in the post-processing production line of plate parts, the parts need to be manually transferred from the equipment for completing the previous machining process to the equipment for completing the next machining process between two adjacent machining processes, the process of transferring the parts consumes more working time and physical force of workers, the production efficiency of the production line is reduced, and the post-processing production line is not beneficial to efficient production.

Disclosure of Invention

In order to reduce staff's time and physical demands, guarantee work efficiency, this application provides a board type part aftertreatment production line and production technology thereof.

First aspect, this application provides a board part aftertreatment production line, adopts following technical scheme:

a plate part post-processing production line comprises a chamfering machine, a drilling machine, a quenching machine tool and a grinding machine which are sequentially arranged, wherein part conveying devices are respectively arranged between the chamfering machine and the drilling machine, between the drilling machine and the quenching machine tool and between the quenching machine tool and the grinding machine; the part conveying device comprises a carrying mechanism for placing the plate parts and a conveying mechanism for conveying the carrying mechanism.

Through adopting above-mentioned technical scheme, the staff can use beveler, drilling machine, quenching lathe and grinding machine to plate part processing in proper order, when the staff need transport plate part between two kinds of equipment, only need place the part on carrying mechanism, transport mechanism can transport carrying mechanism and part automatically to realize the automatic transportation of part, reduce staff's manual labor, reduce the time of staff's cost in the part transportation, thereby effectively promote work efficiency.

Preferably, the carrying mechanism comprises a base, a placing frame for placing the plate-shaped part and a pulley arranged at the lower end of the base, and the placing frame is positioned above the base;

the rack includes the bottom plate that a plurality of levels set up and two vertical risers that set up relatively, and is a plurality of the bottom plate all is located along vertical direction evenly distributed between two risers, the both sides of bottom plate all with riser fixed connection, adjacent two form the storehouse of placing that is used for placing plate-like part between the bottom plate, and place the both sides opening setting that the storehouse was carried on the back mutually.

By adopting the technical scheme, parts can be placed in each placing bin, so that the quantity of the parts transported by the carrying mechanism at one time is effectively increased, and the work efficiency of the carrying mechanism is favorably improved; because the both sides of placing the storehouse all are provided with the opening, consequently can be convenient for the staff take out the part from placing the storehouse to be favorable to guaranteeing work efficiency.

Preferably, a placing table is horizontally arranged above the base, the placing table is positioned on one side of an opening of the placing bin, a first pushing assembly used for pushing the plate-shaped part from the placing bin to the placing table is arranged on one side of the placing bin, which is opposite to the placing table, and a second pushing assembly used for pushing the plate-shaped part from the placing table to the placing bin is arranged on one side of the placing table;

the supporting frames are arranged on the opposite sides of the two vertical plates, the vertical plates and the supporting frames are connected in a sliding mode in the vertical direction, ball screws are vertically arranged between the supporting frames and the vertical plates, the upper ends and the lower ends of the ball screws are rotatably connected with the supporting frames, and the vertical plates are connected with nuts of the ball screws; and the base is fixedly connected with a first motor for driving the ball screw to rotate.

Through adopting above-mentioned technical scheme, when the staff need take out the part from placing the storehouse, first motor passes through ball and drives the rack and reciprocates, and first propelling movement subassembly can push away the part to placing the bench from placing the storehouse, consequently, the staff only need from placing the bench part of taking can, effectively promote the staff convenience of taking the part to promote work efficiency.

When the staff need put into the part and place the storehouse in, only need place the part on placing the bench, the second propelling movement subassembly can push the part from placing the bench to placing the storehouse in, can effectively reduce staff's intensity of labour.

Preferably, a supporting plate is arranged below the placing frame, the supporting plate is connected with the supporting frame in a sliding mode, and a nut of a ball screw of the supporting plate is fixedly connected; every the equal fixedly connected with a plurality of bracing pieces of riser lower extreme, the layer board upper end is seted up and is pegged graft complex connecting hole with the bracing piece.

Through adopting above-mentioned technical scheme, place the storehouse and can directly take off from the layer board, consequently, the staff can prepare a plurality of racks in advance, and when the part was more and the rack on the carrying mechanism was filled up with the part, the accessible was artifical and was placed the part to the rack of vacant to in flexible use of carrying mechanism. And when the rack on the carrying mechanism is vacant, the rack on the carrying mechanism only needs to be taken down, and the rack full of parts is placed on the supporting plate, so that the parts can be transported, and the work efficiency of the carrying mechanism is favorably improved.

Preferably, the first pushing assembly comprises an electric push rod fixedly connected with the support frame and a first push plate fixedly connected with the end part of a push rod of the electric push rod, the electric push rod is arranged along the length direction of the placing bin, and the end part of the push rod of the electric push rod points to the placing table;

the second propelling movement subassembly is including setting up the conveyer belt of placing the platform below and setting up the second push pedal of placing the bench side, it has seted up logical groove to place bench end, it sets up along placing the long direction of storehouse to lead to the groove, second push pedal lower extreme fixedly connected with slides the connecting rod of being connected with leading to the groove, the connecting rod extend to place the platform below and with conveyer belt fixed connection, conveyer belt and logical groove parallel arrangement.

Through adopting above-mentioned technical scheme, when the staff need take out the part from placing the storehouse, start electric putter, electric putter's push rod drives first push pedal and removes to placing the storehouse to the part that will place in the storehouse is pushed away to placing the bench from placing the storehouse. When the staff need put into the part and place the storehouse in, place the part on placing the platform, start the conveyer belt, conveyer belt drive second push pedal and part are to placing the storehouse and remove to push into the part and place the storehouse in, and at this moment, first push pedal can play limiting displacement to the part that gets into to place the storehouse, prevents the part roll-off from placing the storehouse, so that carrying mechanism's use.

Preferably, the bottom plate is rotatably connected with a plurality of first rollers, the first rollers are arranged along the width direction of the placing bin, and the plurality of first rollers are uniformly distributed along the length direction of the placing bin; the placing table is rotatably connected with a plurality of second rollers, the second rollers are arranged between the second push plate and the placing table and are arranged in parallel with the first rollers, and the second rollers are uniformly distributed along the length direction of the placing bin.

Through adopting above-mentioned technical scheme, first running roller and second running roller can effectively reduce the part and place between the platform and the frictional force between part and the bottom plate to first propelling movement subassembly and second propelling movement subassembly drive the part and remove, guarantee the normal use of carrying mechanism.

Preferably, transport mechanism including set up the base plate in the base below, set up between base plate and base and with the pulley complex guide rail that slides, be used for driving the base along the drive assembly that guide rail length direction removed, guide rail and drive assembly all are connected with the base plate, drive assembly is located one side of guide rail and is connected with the base.

Through adopting above-mentioned technical scheme, drive assembly can drive the base and remove along guide rail length direction for the base can be followed the one end of guide rail and removed to the other end, so that transport the part, reduce staff's intensity of labour, promote work efficiency.

Preferably, the driving assembly comprises a conveying chain arranged in parallel with the guide rail and a second motor for driving the conveying chain to operate, and the conveying chain comprises two chain wheels rotationally connected with the base plate and a chain wound on the two chain wheels; the chain is fixedly connected with the base.

Through adopting above-mentioned technical scheme, the second motor can drive the conveying chain operation to because base and chain fixed connection, consequently the conveying chain operation can drive carrying mechanism and remove along the guide rail, and a plurality of sprockets can play the supporting role to chatting, guarantee conveying chain moving stability.

In a second aspect, the present application provides a post-treatment production process for a plate mold part, comprising the following steps:

1) chamfering: chamfering the side edge of the plate-shaped part by using a chamfering machine, wherein the chamfer size is C1 or C2;

2) drilling a reference hole: conveying the plate-shaped part to a drilling machine through a part conveying device, and machining a reference hole in the plate-shaped part by using a twist drill;

3) reaming: replacing the twist drill with a milling cutter, and reaming the reference hole to increase the diameter of the reference hole to a specified size;

4) reaming: finely reaming the inner wall of the hole by using a reamer, wherein the surface roughness of the inner wall of the hole is less than or equal to 0.8 micrometer; the dimensional accuracy of the hole is IT 6;

5) surface heat treatment: conveying the plate-shaped part from a drilling machine to a quenching machine tool through a part conveying device, and quenching the plate-shaped part, wherein the quenching temperature is 840 ℃, water quenching is performed, and the low-temperature tempering temperature is 200-250 ℃; the surface hardness of the plate-shaped part is 53HRC to 55 HRC;

6) semi-fine grinding: conveying the plate-shaped part from the quenching machine tool to a grinding machine through a part conveying device, and performing semi-fine grinding on the surface of the plate-shaped part, wherein the surface roughness after the semi-fine grinding is 1.6-3.2 mu m;

7) fine grinding: the surface of the plate-like member is finely ground, the plate-like member having a dimensional accuracy grade IT6 and a surface roughness of 0.8 μm or less.

By adopting the technical scheme, the edges of the plate-shaped parts are chamfered, so that burrs at the edges of the parts can be removed, and the attractiveness and safety of the parts are improved; when drilling a part, firstly drilling a reference hole to ensure the position precision of the hole, and then reaming and reaming the reference hole, thereby ensuring the precision of the inner wall of the hole and the precision of subsequent installation; the plate-shaped part is quenched and tempered, the surface hardness of the part can be improved, the durability and the comprehensive performance of the part are improved, and finally the part is subjected to semi-fine grinding and fine grinding, so that the integral size precision of the part is ensured, and the precision of a die is ensured.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when a worker needs to convey the plate-shaped part between two devices, the conveying mechanism can automatically convey the conveying mechanism and the part only by placing the part on the conveying mechanism, so that the automatic conveying of the part is realized, the physical labor of the worker is reduced, the time spent by the worker in the process of conveying the part is reduced, and the working efficiency is effectively improved;

2. parts can be placed in each placing bin, so that the number of the parts transported by the carrying mechanism at a time is effectively increased; when the part needs to be placed into the placing bin, the second pushing assembly can push the part into the placing bin from the placing table, so that the labor intensity of the worker is effectively reduced, and the working efficiency is improved;

3. through carrying out chamfer, drilling reference hole, reaming and reaming, surface heat treatment and correct grinding to the part in proper order, can guarantee the surface hardness and the wearability of part to can guarantee the machining precision of part, simultaneously, owing to drill the reference hole. Reaming and reaming are all completed by using a drilling machine, so that the time consumed by parts in the process of replacing the machine tool can be saved, and the processing efficiency is favorably improved.

Drawings

FIG. 1 is a schematic view of the structure of a post-processing line;

FIG. 2 is a schematic view of the structure of the parts feeder;

FIG. 3 is another perspective of the part handler configuration;

FIG. 4 is a schematic structural view of the carrying mechanism;

FIG. 5 is another view of the carrier structure;

FIG. 6 is a view for showing the connection relationship between the supporting plate and the supporting frame;

fig. 7 is a view for showing a connection relationship between the first motor and the ball screw;

fig. 8 is a schematic structural view of the rack.

In the drawings, the reference numbers: 1. chamfering machine; 2. drilling machine; 3. a quenching machine tool; 4. grinding machine; 5. a part conveying device; 51. a base; 511. a support frame; 512. a ball screw; 513. a first motor; 514. a support plate; 515. a linear slide rail; 52. placing a rack; 521. a base plate; 522. a vertical plate; 523. a first roller; 524. a support bar; 53. a first pushing assembly; 531. an electric push rod; 532. a first push plate; 54. a placing table; 541. a second roller; 55. a second pushing assembly; 551. a conveyor belt; 552. a second push plate; 553. a connecting rod; 56. a pulley; 57. a substrate; 58. a guide rail; 59. a drive assembly; 591. a second motor; 592. a conveyor chain.

Detailed Description

The present invention is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses plate part post-processing production line. Referring to fig. 1, board class part aftertreatment production line is including the beveler 1, drilling machine 2, quenching machine 3 and the grinding machine 4 that set gradually, and the staff can use beveler 1 to carry out the chamfer to the edge of plate part, uses drilling machine 2 to carry out drilling or fluting operation to plate part, and quenching machine 3 can quench and temper the surface of plate part, and grinding machine 4 can polish the part after the surface heat treatment, guarantees the size precision of part. All be provided with part conveyor 5 between 1 and the drilling machine of beveler 2, between 2 and the quenching lathe 3 of drilling machine and between 3 and the grinding machine 4 of quenching lathe, part conveyor 5 can transport the part to 2 departments of drilling machine, transport to 3 departments of quenching lathe or transport to 4 departments of grinding machine by 3 departments of quenching lathe by 2 departments of drilling machine by the beveler, reduce staff intensity of labour, promote production efficiency.

Referring to fig. 2, the parts feeder 5 includes a carrying mechanism and a transfer mechanism. The conveying mechanism comprises a base plate 57, two guide rails 58 arranged above the base plate 57 and fixedly connected with the base plate 57, and a driving assembly 59 arranged on one side of the guide rails 58, wherein the two guide rails 58 are arranged in parallel, and the driving assembly 59 is positioned between the two guide rails 58. The drive assembly 59 includes a conveyor chain 592 arranged in parallel with the guide rail 58 and a second motor 591 for driving the conveyor chain 592 in operation. The conveyor chain 592 includes two sprockets connected by a chain, both rotatably connected to the base plate 57, the chain disposed along the length of the rail 58. The second motor 591 is fixedly connected with the base plate 57, and an output end of the second motor 591 is fixedly connected with one of the chain wheels, so that the second motor 591 can drive the chain wheel to rotate, thereby driving the conveyor chain 592 to operate, and the second motor 591 can drive the conveyor chain 592 to rotate forward or backward.

Referring to fig. 2 and 3, the carrying mechanism includes a base 51, a placing frame 52 disposed above the base 51, a placing table 54 disposed at one side of the placing frame 52, and a pulley 56 disposed at a lower end of the base 51, the pulley 56 slidably engaging with a guide rail 58 so that the carrying mechanism can move in a length direction of the guide rail 58. The lower end of the base 51 is fixedly connected to the chain, so that the carrying mechanism is moved on the guide rail 58 when the conveyor chain 592 is run.

Referring to fig. 4 and 5, the placing rack 52 includes a plurality of horizontally placed bottom plates 521 and two opposite vertical plates 522, the bottom plates 521 are uniformly distributed along the vertical direction, the bottom plates 521 are located between the two vertical plates 522 and are fixedly connected with the vertical plates 522, therefore, a placing bin is formed between the two adjacent bottom plates 521 and the vertical plates 522, both ends in the length direction of the placing bin are provided with openings, and a worker can place a part into the placing bin through the openings.

Referring to fig. 4, the placing table 54 is located at one side of the placing bin in the length direction and is fixedly connected with the upper end of the base 51, one opening of the placing bin faces the placing table 54, and one side of the placing bin, which faces away from the placing table 54, is provided with the first pushing assembly 53. The first pushing assembly 53 comprises an electric push rod 531 and a first push plate 532, wherein the electric push rod 531 is arranged along the length direction of the placing bin and is fixedly connected with the support frame 511, the first push plate 532 is fixedly connected with the end part of a push rod of the electric push rod 531, and the push rod of the electric push rod 531 points to the inside of the placing bin. When the part in the storehouse is to be placed to the needs takes out, electric putter 531 extension, first push pedal 532 can enter into and place the storehouse inside to the part of placing the storehouse inside is pushed away to placing on the platform 54, so that the staff takes the part.

The electric push rod 531 is preferably a multistage push rod, so that the overall volume of the electric push rod 531 can be reduced, and the space occupied by the electric push rod 531 can be reduced.

Referring to fig. 4, the bottom plate 521 is rotatably connected with a plurality of first rollers 523, the upper end of the placing table 54 is rotatably connected with a plurality of second rollers 541, the plurality of first rollers 523 and the plurality of second rollers 541 are uniformly distributed along the length direction of the placing bin, when a part is placed in the placing bin, the part is located at the upper end of the first rollers 523, so that the first pushing component 53 pushes the part to the placing table 54 from the placing bin. And the part is located at the upper end of the second roller 541 when the part is moved onto the placing table 54.

Referring to fig. 4 and 5, a second pushing assembly 55 is further provided on the placing table 54. Second propelling movement subassembly 55 is including setting up at conveyer belt 551 who places platform 54 lower extreme and setting up at the second push pedal 552 who places platform 54 upper end, conveyer belt 551 along place storehouse length direction set up and with place platform 54 fixed connection, place and seted up logical groove on the platform 54, logical groove and conveyer belt 551 parallel arrangement, second push pedal 552 lower extreme fixedly connected with connecting rod 553, connecting rod 553 passes logical groove and conveyer belt 551 fixed connection, make conveyer belt 551 can drive second push pedal 552 and remove along logical groove length direction. Therefore, when the parts are placed on the placing table 54 and the parts are required to be placed in the placing bin, the conveyor belt 551 can drive the second push plate 552 to push the parts to the inside of the placing bin.

Referring to fig. 6 and 7, two opposite supporting frames 511 are fixedly connected to the upper end of the base 51, and the placing frame 52 is located between the two supporting frames 511. Riser 522 and support frame 511 parallel arrangement, equal vertical ball 512 that is provided with between every riser 522 and the support frame 511 adjacent to it, the upper end and the lower extreme of ball 512 all rotate with support frame 511 and be connected, base 51 lower extreme fixedly connected with first motor 513, the output of first motor 513 passes through bevel gear transmission with the lower extreme of one of them ball 512 and is connected, through chain drive connection between two ball 512 for the motor can drive a plurality of ball 512 synchronous rotation.

Referring to fig. 6, a support plate 514 is horizontally disposed between the placing frame 52 and the base 51, and the placing frame 52 is connected to the upper end of the support plate 514. Both sides of the supporting plate 514 are fixedly connected with the nut of the ball screw 512. Both sides of the length direction of each ball screw 512 are vertically provided with linear slide rails 515, and the support plate 514 is connected with the linear slide rails 515 in a sliding manner. From this, first motor 513 can drive ball 512 and rotate to drive layer board 514 and rack 52 and reciprocate, first motor 513 can guarantee simultaneously that a plurality of storehouses of placing move in proper order to placing 54 one side of the platform, so that take out in proper order a plurality of parts of placing the storehouse, perhaps put into in proper order a plurality of parts in the different storehouse of placing.

Referring to fig. 8, a plurality of bracing pieces 524 of two riser 522 lower extremes equal fixedly connected with, the connecting hole of pegging graft complex with bracing piece 524 is seted up to layer board 514 upper end, and rack 52 can be fixed on layer board 514 through bracing piece 524 to rack 52 can wholly take off from layer board 514, and the staff of being convenient for uses.

The implementation principle of the embodiment of the application is as follows: when the staff uses an equipment to accomplish parts machining to need send the part to next equipment department, the staff only need place the part on placing platform 54, and first propelling movement subassembly 53 can put into placing the storehouse with the part, and first motor 513 and ball 512 can drive rack 52 and reciprocate, so that put into different placing storehouses respectively with a plurality of parts. When the second motor 591 is started, the second motor 591 drives the transmission chain 592 to operate, so that the parts can be conveyed to the next device, and the parts can be processed in the next procedure.

When the staff is in another processing equipment department to when needing to take out the part from placing the storehouse, first propelling movement subassembly 53 can place the part propelling movement in the storehouse with the difference in proper order and place the platform 54 on, consequently, the staff only need with the part from placing the platform 54 take off can, convenient to use.

The embodiment of the application also discloses a production process for plate part post-treatment, which comprises the following steps:

1) chamfering: chamfering the side edge of the plate-shaped part by using a chamfering machine 1, wherein the chamfer size is C1 or C2;

2) drilling a reference hole: conveying the plate-shaped part to a drilling machine 2 through a part conveying device 5, and machining a reference hole in the plate-shaped part by using a twist drill;

3) reaming: replacing the twist drill with a milling cutter, and reaming the reference hole to increase the diameter of the reference hole to a specified size;

4) reaming: finely reaming the inner wall of the hole by using a reamer, wherein the surface roughness of the inner wall of the hole is less than or equal to 0.8 micrometer; the dimensional accuracy of the hole is IT 6;

5) surface heat treatment: conveying the plate-shaped part from the drilling machine 2 to a quenching machine tool 3 through a part conveying device 5, and quenching the plate-shaped part, wherein the quenching temperature is 840 ℃, the water quenching is performed, and the low-temperature tempering temperature is 200-250 ℃; the surface hardness of the plate-shaped part is 53HRC to 55 HRC;

6) semi-fine grinding: conveying the plate-shaped part from the quenching machine tool 3 to the grinding machine 4 through the part conveying device 5, and performing semi-fine grinding on the surface of the plate-shaped part, wherein the surface roughness after the semi-fine grinding is 1.6-3.2 mu m;

7) fine grinding: the surface of the plate-like member is finely ground, the plate-like member having a dimensional accuracy grade IT6 and a surface roughness of 0.8 μm or less.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides a board class part aftertreatment production line which characterized in that: the chamfering machine comprises a chamfering machine (1), a drilling machine (2), a quenching machine tool (3) and a grinding machine (4) which are arranged in sequence, wherein a part conveying device (5) is arranged between the chamfering machine (1) and the drilling machine (2), between the drilling machine (2) and the quenching machine tool (3) and between the quenching machine tool (3) and the grinding machine (4); the part conveying device (5) comprises a carrying mechanism for placing the plate parts and a conveying mechanism for conveying the carrying mechanism.

2. A board part post-processing production line according to claim 1, characterized in that: the carrying mechanism comprises a base (51), a placing frame (52) for placing the plate-shaped parts and a pulley (56) arranged at the lower end of the base (51), wherein the placing frame (52) is positioned above the base (51);

the rack (52) comprises a plurality of horizontally arranged bottom plates (521) and two vertical plates (522) which are vertically and oppositely arranged, the bottom plates (521) are uniformly distributed between the two vertical plates (522) along the vertical direction, two sides of the bottom plates (521) are fixedly connected with the vertical plates (522), two adjacent bottom plates (521) form a placing bin for placing plate-shaped parts, and openings on two sides of the placing bin are arranged in a back-to-back mode.

3. A board part post-processing production line according to claim 2, characterized in that: a placing table (54) is horizontally arranged above the base (51), the placing table (54) is positioned on one side of an opening of the placing bin, a first pushing assembly (53) used for pushing the plate-shaped parts from the placing bin to the placing table (54) is arranged on one side of the placing bin, which is opposite to the placing table (54), and a second pushing assembly (55) used for pushing the plate-shaped parts from the placing table (54) to the placing bin is arranged on one side of the placing table (54);

the supporting frames (511) are arranged on the opposite sides of the two vertical plates (522), the vertical plates (522) are connected with the supporting frames (511) in a sliding mode in the vertical direction, ball screws (512) are vertically arranged between the supporting frames (511) and the vertical plates (522), the upper ends and the lower ends of the ball screws (512) are rotatably connected with the supporting frames (511), and the vertical plates (522) are connected with nuts of the ball screws (512); and a first motor (513) for driving the ball screw (512) to rotate is fixedly connected to the base (51).

4. A board part post-processing production line according to claim 3, characterized in that: a supporting plate (514) is arranged below the placing frame (52), the supporting plate (514) is connected with the supporting frame (511) in a sliding mode, and a nut of a ball screw (512) of the supporting plate (514) is fixedly connected; every a plurality of bracing pieces (524) of riser (522) lower extreme equal fixedly connected with, connecting hole with bracing piece (524) grafting complex is seted up to layer board (514) upper end.

5. A board part post-processing production line according to claim 3, characterized in that: the first pushing assembly (53) comprises an electric push rod (531) fixedly connected with the support frame (511) and a first push plate (532) fixedly connected with the end part of the push rod of the electric push rod (531), the electric push rod (531) is arranged along the length direction of the placing bin, and the end part of the push rod of the electric push rod (531) points to the placing table (54);

the second pushing assembly (55) comprises a conveying belt (551) arranged below the placing platform (54) and a second pushing plate (552) arranged above the placing platform (54), a through groove is formed in the upper end of the placing platform (54), the through groove is formed in the length direction of the placing bin, a connecting rod (553) connected with the through groove in a sliding mode is fixedly connected to the lower end of the second pushing plate (552), the connecting rod (553) extends to the position below the placing platform (54) and is fixedly connected with the conveying belt (551), and the conveying belt (551) is arranged in parallel with the through groove.

6. A board part post-processing production line according to claim 5, characterized in that: the bottom plate (521) is rotatably connected with a plurality of first rollers (523), the first rollers (523) are arranged along the width direction of the placing bin, and the plurality of first rollers (523) are uniformly distributed along the length direction of the placing bin; the placing table (54) is connected with a plurality of second rollers (541) in a rotating mode, the second rollers (541) are arranged between the second push plate (552) and the placing table (54), the second rollers (541) and the first rollers (523) are arranged in parallel, and the second rollers (541) are evenly distributed along the length direction of the placing bin.

7. A board part post-processing production line according to claim 2, characterized in that: the conveying mechanism comprises a base plate (57) arranged below the base (51), a guide rail (58) arranged between the base plate (57) and the base (51) and matched with the pulley (56) in a sliding mode, and a driving assembly (59) used for driving the base (51) to move along the length direction of the guide rail (58), wherein the guide rail (58) and the driving assembly (59) are connected with the base plate (57), and the driving assembly (59) is located on one side of the guide rail (58) and connected with the base (51).

8. A board part post-processing production line according to claim 7, characterized in that: the driving assembly (59) comprises a conveyor chain (592) arranged in parallel with the guide rail (58) and a second motor (591) for driving the conveyor chain (592) to operate, wherein the conveyor chain (592) comprises two chain wheels rotationally connected with the base plate (57) and a chain wound on the two chain wheels; the chain is fixedly connected with the base (51).

9. A production process applied to the plate mold part post-processing production line of any one of claims 1 to 8, characterized in that: the method comprises the following steps:

1) chamfering: chamfering the side edge of the plate-shaped part by using a chamfering machine (1), wherein the chamfer size is C1 or C2;

2) drilling a reference hole: conveying the plate-shaped part to a drilling machine (2) through a part conveying device (5), and machining a reference hole in the plate-shaped part by using a twist drill;

3) reaming: replacing the twist drill with a milling cutter, and reaming the reference hole to increase the diameter of the reference hole to a specified size;

4) reaming: finely reaming the inner wall of the hole by using a reamer, wherein the surface roughness of the inner wall of the hole is less than or equal to 0.8 micrometer; the dimensional accuracy of the hole is IT 6;

5) surface heat treatment: conveying the plate-shaped parts from the drilling machine (2) to a quenching machine tool (3) through a part conveying device (5), and quenching the plate-shaped parts, wherein the quenching temperature is 840 ℃, water quenching is performed, and the low-temperature tempering temperature is 200-250 ℃; the surface hardness of the plate-shaped part is 53HRC to 55 HRC;

6) semi-fine grinding: conveying the plate-shaped part from the quenching machine tool (3) to the grinding machine (4) through the part conveying device (5), and performing semi-fine grinding on the surface of the plate-shaped part, wherein the surface roughness after the semi-fine grinding is 1.6-3.2 microns;

7) fine grinding: the surface of the plate-like member is finely ground, the plate-like member having a dimensional accuracy grade IT6 and a surface roughness of 0.8 μm or less.

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