A continuous mold and transfer mold hybrid mold and method for precision machining of automobile parts

Abstract

The invention relates to a mixed mold of a continuous mold and a transfer mold for precision machining of automobile parts, comprising a continuous molding mold, an induction transfer unit and a transfer molding mold; the continuous molding mold continuously processes a whole metal plate and then molds a plurality of connected semi-finished workpiece groups, wherein the semi-finished workpiece group comprises two semi-finished workpieces connected side by side on the left and right sides; the induction transfer unit comprises a sensor for sensing the semi-finished workpiece group in place, a cutting component for cutting and separating the semi-finished workpiece group from the whole metal plate, and a transfer manipulator component for transferring the cut semi-finished workpiece group to the transfer molding mold; the transfer molding mold cuts and separates two semi-finished workpieces of the semi-finished workpiece group and performs secondary machining to form a finished product; for a process with low requirements on the precision of the front end, the continuous mold is used for rapid continuous machining and molding, and the sheared parts after molding are transferred to a subsequent transfer mold for fine machining, which can greatly improve the machining efficiency of automobile parts of this type of process.

Description

Technical Field

[0001] The present invention relates to the technical field of precision machining of automobile parts, and more specifically to a continuous mold and transfer mold hybrid mold and method for precision machining of automobile parts. Background Art

[0002] When precision machining some automobile parts, a situation is often encountered: in the delivery process of parts, the latter part of the process needs to ensure the machining accuracy, while the former part of the process does not have too high precision requirements. For this kind of processing situation with precision requirements, most of them currently directly use a set of transfer molds for fine machining, which leads to a waste of resources and low efficiency in the processing of the former part. In order to solve this problem, a hybrid mold and method of continuous mold and transfer mold for precision machining of automobile parts is needed. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a hybrid mold and method for precise machining of automobile parts by a continuous mold and a transfer mold in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve the technical problem is:

[0005] A hybrid mold of a continuous mold and a transfer mold for precision machining of automobile parts is constructed, wherein the mold comprises a continuous molding mold, an inductive transfer unit and a transfer molding mold; the continuous molding mold continuously processes a whole metal plate and then molds a plurality of connected semi-finished workpiece groups, wherein the semi-finished workpiece group comprises two semi-finished workpieces connected side by side on the left and right sides; the inductive transfer unit comprises a sensor for sensing the semi-finished workpiece group in place, a cutting assembly for cutting and separating the semi-finished workpiece group from the whole metal plate, and a transfer robot assembly for transferring the cut semi-finished workpiece group to the transfer molding mold; the transfer molding mold cuts and separates two semi-finished workpieces in the semi-finished workpiece group and performs secondary processing to mold the finished product.

[0006] The invention discloses a hybrid mold of a continuous mold and a transfer mold for precision machining of automobile parts, wherein the continuous molding mold processes the entire metal plate with one or more of the following processes: punching, flanging, convex bulging, trimming, flanging and burring.

[0007] The invention discloses a hybrid mold of a continuous mold and a transfer mold for precision machining of automobile parts, wherein the transfer molding mold processes the semi-finished workpiece using one or more of the following processes: bending, punching, trimming, forming all around, side shaping, and anti-rebound.

[0008] The present invention discloses a hybrid mold of a continuous mold and a transfer mold for precise machining of automobile parts, wherein the sensor is arranged at one end of the continuous molding mold discharging material; the transfer robot assembly includes two transfer robots respectively arranged at the left and right sides of one end of the continuous molding mold discharging material.

[0009] The hybrid mold of the continuous mold and the transfer mold for precision machining of automobile parts described in the present invention, wherein the cutting assembly includes a floating pressing unit and a punching tool arranged on the upper mold; the floating pressing unit is connected to the upper mold in a transverse sliding manner through a first sliding assembly, and the upper mold is provided with a driving assembly that drives the floating pressing unit to move transversely; the cutting assembly also includes a positioning block arranged on the lower mold for positioning the semi-finished workpiece group and a punching die that cooperates with the punching tool; the positioning block is connected to the lower mold in a transverse sliding manner through a second sliding assembly, and the lower mold is provided with a reset spring for resetting the positioning block; the driving assembly operates when the floating pressing unit floats to the top point and drives the floating pressing unit to move transversely; the sensor is arranged on one side of the positioning block on the lower mold, and the sensor is a pressure sensor and when it is triggered by the squeezing of the semi-finished workpiece group, it sends a signal to the transfer robot to delay the operation of clamping and transferring the semi-finished workpiece group to the transfer molding mold.

[0010] The hybrid mold of continuous mold and transfer mold for precision machining of automobile parts described in the present invention, wherein the floating pressing unit includes a mounting seat, a longitudinal slide groove is opened at the center of the mounting seat, a floating block is longitudinally slidably arranged in the slide groove, and the mounting seat is connected to the floating block through a nitrogen spring; the driving assembly includes a connecting block, a cylinder for driving the connecting block to move laterally, and a delay controller, and the connecting block is longitudinally movably connected to the mounting seat through multiple groups of guide columns and guide sleeves; a pressure sensor is arranged on the lower surface of the connecting block, and a plurality of walking wheels are arranged on the upper surface of the connecting block; the first sliding assembly includes a positioning groove cooperating with the walking wheel and a guide rod laterally movably penetrated on the connecting block; when the delay controller receives the pressure signal of the pressure sensor and reaches the set threshold, it controls the delayed start of the cylinder.

[0011] The hybrid mold of the continuous mold and the transfer mold for precise machining of automobile parts described in the present invention comprises a positioning protrusion which extends into the positioning hole on the semi-finished workpiece at the upper end of the positioning block, and a conical positioning groove is provided at the upper end of the positioning protrusion; and a conical block which cooperates with the conical positioning groove is provided at the lower end of the floating block.

[0012] A hybrid method of continuous die and transfer die for precision machining of automobile parts, the implementation method of which is as follows:

[0013] When processing automobile parts, the whole metal plate is directly processed continuously through a continuous forming die to form multiple groups of connected semi-finished workpieces, and the semi-finished workpiece group includes two semi-finished workpieces connected side by side on the left and right;

[0014] The semi-finished workpiece group is sensed by the sensor, and the cutting component cuts and separates the semi-finished workpiece group from the whole hardware plate, and the transfer robot component transfers the cut semi-finished workpiece group to the transfer molding die;

[0015] The two semi-finished workpieces are cut and separated by a transfer molding die and then subjected to secondary processing to form finished products.

[0016] The beneficial effects of the present invention are as follows: when processing automobile parts, a continuous forming die is first used to directly process the entire hardware plate continuously to form multiple groups of connected semi-finished workpiece groups, and the semi-finished workpiece group includes two semi-finished workpieces connected side by side on the left and right; the semi-finished workpiece group is then sensed by the sensor, and the cutting component cuts and separates the semi-finished workpiece group from the entire hardware plate, and the transfer robot component transfers the cut semi-finished workpiece group to the transfer forming die; the transfer forming die is used to cut and separate the two semi-finished workpieces of the semi-finished workpiece group and perform secondary processing to form the finished product; for the process with low requirements on the precision of the front end, the continuous die is used for rapid continuous processing and forming, and the sheared off after forming is transferred to the subsequent transfer die for fine processing, which can greatly improve the automobile parts processing efficiency of this type of process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0018] Figure 1 It is a schematic diagram of the structure of a mixed mold of a continuous mold and a transfer mold for precision machining of automobile parts in a preferred embodiment of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure of an induction transfer unit for a mixed mold of a continuous mold and a transfer mold for precision machining of automobile parts in a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0021] The preferred embodiment of the present invention is a hybrid mold of a continuous mold and a transfer mold for precision machining of automobile parts, such as Figure 1 See also Figure 2 , including a continuous forming die 1, an induction transfer unit and a transfer forming die 3; the continuous forming die 1 continuously processes the hardware whole plate 4 to form a plurality of connected semi-finished workpiece groups 5, and the semi-finished workpiece group 5 includes two semi-finished workpieces 50 connected side by side on the left and right; the induction transfer unit includes a sensor 20 for sensing the semi-finished workpiece group in place, a cutting component 21 for cutting and separating the semi-finished workpiece group 5 from the hardware whole plate 4, and a transfer robot component 22 for transferring the cut semi-finished workpiece group 5 to the transfer forming die 3; the transfer forming die 3 cuts and separates the two semi-finished workpieces 50 on the semi-finished workpiece group 5 and performs secondary processing to form a finished product;

[0022] When processing automobile parts, the continuous forming die 1 is first used to directly process the hardware whole plate 4 continuously to form multiple groups of connected semi-finished workpiece groups 5, and the semi-finished workpiece group 5 includes two semi-finished workpieces 50 connected side by side on the left and right sides; the semi-finished workpiece group 5 is then sensed by the sensor 20, and the cutting component 21 cuts and separates the semi-finished workpiece group 5 from the hardware whole plate 4, and the transfer robot component 22 transfers the cut semi-finished workpiece group 5 to the transfer forming die 3; the transfer forming die 3 cuts and separates the two semi-finished workpieces 50 of the semi-finished workpiece group 5 and performs secondary processing to form the finished product;

[0023] For processes that do not require high precision in the front end, the efficiency of automotive parts finishing of this type of process can be greatly improved by using a continuous mold to quickly perform continuous processing and then shearing the parts off after forming and transferring them to a subsequent transfer mold for finishing. Of course, it can be understood that the principle of this application is not limited to automotive parts, but can also be extended to the processing of other parts.

[0024] Preferably, the continuous forming die 1 processes the whole metal plate by one or more of punching, flanging, embossing, trimming, flanging and burring. Of course, the conventional process steps can also be adjusted and modified adaptively according to actual needs.

[0025] Preferably, the transfer molding die 3 processes the semi-finished workpiece by one or more of bending, punching, trimming, peripheral molding, side shaping and anti-rebound. Of course, the conventional process steps can also be adjusted and modified adaptively according to actual needs.

[0026] Preferably, the sensor 20 is arranged at one end of the continuous forming die 1 where the material is discharged; the transfer robot assembly 22 includes two transfer robots 220 respectively arranged at the left and right sides of one end of the continuous forming die 1 where the material is discharged; the structure layout is reasonable and the integrity is good;

[0027] Preferably, the cutting assembly 21 includes a floating press unit 210 and a punching tool 211 arranged on the upper die 6 (the upper die of the continuous forming die 1); the floating press unit 210 is connected to the upper die 6 by a first sliding assembly 60 for transverse sliding, and the upper die 6 is provided with a driving assembly 61 for driving the floating press unit 210 to move transversely; the cutting assembly 21 also includes a positioning block 212 arranged on the lower die 7 for positioning the semi-finished workpiece group and a punching die 213 cooperating with the punching tool; the positioning block 212 is connected to the lower die 7 (the continuous forming die 1) by a first sliding assembly 60 for transverse sliding. 1) is connected to the lower die of the semi-finished workpiece group 5 by a transverse sliding connection, and a reset spring 71 is provided on the lower die 7 for resetting the positioning block 212; the driving assembly 61 is operated to drive the floating pressing unit 210 to move transversely when the floating pressing unit 210 floats to the top; a sensor 20 is provided on the lower die 7 at one side of the positioning block 212, and the sensor 20 is a pressure sensor and sends a signal to the transfer manipulator 220 to delay the operation of clamping and transferring the semi-finished workpiece group 5 to the transfer molding die 3 when it is squeezed and triggered by the semi-finished workpiece group 5;

[0028] During processing, the upper mold 6 moves downward, and the floating pressing unit 210 contacts the semi-finished workpiece group 5 first, and then the upper mold 6 continues to move downward, and the floating pressing unit 210 presses the semi-finished workpiece group 5 to the top, and the punching tool 211 cooperates with the punching die 213 to cut and separate the semi-finished workpiece group 5 from the hardware whole plate 4. In the mold closing state, the driving component 61 runs to drive the floating pressing unit 210 to move horizontally, and the floating pressing unit 210 relies on friction to drive the semi-finished workpiece group 5 and the positioning block 212 to move horizontally together, and the reset spring 71 is compressed. When the semi-finished workpiece group 5 moves to the extrusion sensor 20, the transfer robot 220 is triggered to run and clamp the semi-finished workpiece group 5, and delays the operation after the mold is opened to clamp and transfer the semi-finished workpiece group 5 to the transfer molding mold 3; the overall structure is reasonable and the operation logic is extremely compact, which can ensure the processing efficiency and meet the continuous opening and closing rhythm of the continuous mold.

[0029] Preferably, the floating pressing unit 210 includes a mounting seat 2100, a longitudinal slide groove 2101 is provided at the center of the mounting seat 2100, a floating block 2102 is longitudinally slidably arranged in the slide groove 2101, and the mounting seat 2100 is connected to the floating block 2102 via a nitrogen spring 2103; the driving assembly 61 includes a connecting block 610, a cylinder 611 for driving the connecting block 610 to move laterally, and a delay controller, and the connecting block 610 is longitudinally movably connected to the mounting seat 2100 via multiple groups of guide pillars and guide sleeves 612; a pressure sensor 613 is provided on the lower surface of the connecting block 610, and a plurality of walking wheels 614 are provided on the upper surface of the connecting block 610; the first sliding assembly 60 includes a positioning groove 600 cooperating with the walking wheel 614 and a guide rod 601 movably arranged laterally on the connecting block 610; when the delay controller receives a pressure signal from the pressure sensor 613 and reaches a set threshold, it controls the cylinder 611 to delay starting;

[0030] When the floating block 2102 presses the semi-finished workpiece group 5, it will slide upward along the slide groove 2101 relative to the mounting seat 2100 as the mold closing action occurs, and act on the nitrogen spring 2103. The mounting seat 2100 is squeezed by the pressure sensor 613 on the connecting block 610. When the pressure reaches the set threshold, the cylinder 611 will be triggered to run, pushing the connecting block 610 to move along the guide rod 601 (the walking wheel 614 rolls in the positioning groove); it has good integrity and good operating stability.

[0031] Preferably, the upper end of the positioning block 212 is provided with a positioning protrusion 2120 extending into the positioning hole on the semi-finished workpiece, and the upper end of the positioning protrusion 2120 is provided with a conical positioning groove 2121; the lower end of the floating block 2102 is provided with a conical block 2104 cooperating with the conical positioning groove;

[0032] When the floating block 2102 contacts the semi-finished workpiece group, the conical block 2104 is simultaneously inserted into the conical positioning groove 2121 at the upper end of the positioning protrusion 2120 to position the positioning block 212; in the process of the floating block being driven laterally by the cylinder, the cooperation between the conical block 2104 and the conical positioning groove 2121 can ensure that the floating block 2102 and the positioning block 212 remain relatively still, which is beneficial to improving the overall stability.

[0033] A hybrid method of continuous die and transfer die for precision machining of automobile parts, the implementation method of which is as follows:

[0034] When processing automobile parts, the whole metal plate is directly processed continuously through a continuous forming die to form multiple groups of connected semi-finished workpieces, and the semi-finished workpiece group includes two semi-finished workpieces connected side by side on the left and right;

[0035] The semi-finished workpiece group is sensed by the sensor, and the cutting component cuts and separates the semi-finished workpiece group from the whole hardware plate, and the transfer robot component transfers the cut semi-finished workpiece group to the transfer molding die;

[0036] The semi-finished workpieces are cut and separated by a transfer molding die and then subjected to secondary processing to form finished products;

[0037] For processes that do not require high precision in the front end, the parts can be quickly and continuously processed by continuous dies, and then sheared off and transferred to the subsequent transfer dies for fine processing, which can greatly improve the processing efficiency of automotive parts in this type of process.

[0038] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A hybrid mold of continuous mold and transfer mold for precision machining of automobile parts, characterized in that: It comprises a continuous forming die, an induction transfer unit and a transfer forming die; the continuous forming die continuously processes the whole metal plate and then forms a plurality of connected semi-finished workpiece groups, wherein the semi-finished workpiece group comprises two semi-finished workpieces connected side by side on the left and right sides; the induction transfer unit comprises a sensor for sensing the semi-finished workpiece group in place, a cutting component for cutting and separating the semi-finished workpiece group from the whole metal plate, and a transfer manipulator component for transferring the cut semi-finished workpiece group to the transfer forming die; the transfer forming die cuts and separates the two semi-finished workpieces of the semi-finished workpiece group and performs secondary processing to form a finished product; The sensor is arranged at one end of the continuous forming die discharging material; the transfer robot assembly includes two transfer robots respectively arranged on the left and right sides of one end of the continuous forming die discharging material; the cutting assembly includes a floating pressing unit and a punching tool arranged on the upper die of the continuous forming die; the floating pressing unit is connected to the upper die by a first sliding assembly for transverse sliding, and the upper die is provided with a driving assembly for driving the floating pressing unit to move transversely; the cutting assembly also includes a positioning block for positioning the semi-finished workpiece group and a punching die matched with the punching tool arranged on the lower die of the continuous forming die; the positioning block is connected to the lower die by a second sliding assembly for transverse sliding, and the lower die is provided with a reset spring for resetting the positioning block; the driving assembly operates to drive the floating pressing unit to move transversely when the floating pressing unit floats to the top; the sensor is arranged on one side of the positioning block on the lower die, and the sensor is a pressure sensor and sends a signal to the transfer robot when it is triggered by the squeezing of the semi-finished workpiece group, and the transfer robot delays the operation to clamp and transfer the semi-finished workpiece group to the transfer forming die.

2. The continuous mold and transfer mold hybrid mold for precision machining of automobile parts according to claim 1, characterized in that: The process of processing the whole metal plate by the continuous forming die includes punching, flanging, convex bulging, edge cutting, flanging and burring.

3. The continuous mold and transfer mold hybrid mold for precision machining of automobile parts according to claim 1, characterized in that: The transfer molding die processes the semi-finished workpiece including bending, punching, trimming, all-around molding, side shaping and anti-rebound.

4. The continuous mold and transfer mold hybrid mold for precision machining of automobile parts according to claim 1, characterized in that: The floating pressing unit includes a mounting seat, a longitudinal slide groove is opened at the center of the mounting seat, a floating block is longitudinally slidably arranged in the slide groove, and the mounting seat is connected to the floating block via a nitrogen spring; the driving assembly includes a connecting block, a cylinder for driving the connecting block to move laterally, and a delay controller, and the connecting block is longitudinally movably connected to the mounting seat via multiple groups of guide columns and guide sleeves; a pressure sensor is arranged on the lower surface of the connecting block, and a plurality of walking wheels are arranged on the upper surface of the connecting block; the first sliding assembly includes a positioning groove cooperating with the walking wheel and a guide rod movably arranged laterally on the connecting block; when the delay controller receives the pressure signal of the pressure sensor and reaches a set threshold, it controls the delayed start of the cylinder.

5. The continuous mold and transfer mold hybrid mold for precision machining of automobile parts according to claim 4, characterized in that: The upper end of the positioning block is provided with a positioning protrusion extending into the positioning hole on the semi-finished workpiece, and the upper end of the positioning protrusion is provided with a conical positioning groove; the lower end of the floating block is provided with a conical block matching the conical positioning groove.

6. A method for precision machining of automobile parts by a continuous mold and a transfer mold hybrid method, using the continuous mold and a transfer mold hybrid mold for precision machining of automobile parts as claimed in claim 1, characterized in that: Here’s how to do it: When processing automobile parts, the whole metal plate is directly processed continuously through a continuous forming die to form multiple groups of connected semi-finished workpieces, and the semi-finished workpiece group includes two semi-finished workpieces connected side by side on the left and right; The semi-finished workpiece group is sensed by the sensor, and the cutting component cuts and separates the semi-finished workpiece group from the whole hardware plate, and the transfer robot component transfers the cut semi-finished workpiece group to the transfer molding die; The two semi-finished workpieces are cut and separated by a transfer molding die and then subjected to secondary processing to form finished products.

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