One-time forming device and method for double-end-face positioning hole groove automobile part

Abstract

The invention discloses a double-end-face positioning hole groove automobile part one-time forming device and method.The double-end-face positioning hole groove automobile part one-time forming device comprises a male die assembly and a main die assembly, the male die assembly comprises a male die ejector rod, and the male die ejector rod is used for conducting extrusion forming on one end of a workpiece; the main die assembly comprises a main die body and a main die forming rod, a cavity used for containing a workpiece is formed in the main die body, the main die forming rod is arranged at the end, away from the male die assembly, of the main die body, and the male die ejector rod, the forming channel and the main die forming rod are coaxially arranged. When a workpiece is machined, the male die ejector rod and the main die forming rod extrude the two ends of the workpiece in the cavity at the same time; and the workpiece is only required to be placed into the cavity without being positioned, and the two ends of the workpiece can be simultaneously machined at a time, so that the machining precision of the workpiece is ensured, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to double-end-face processing of automobile metal parts, in particular to a double-end-face positioning hole and groove automobile part one-time forming device and method. BACKGROUND

[0002] For the double-end-face processing of automobile metal parts, the metal parts are generally placed in a special mechanical machine tool or numerical control milling processing, and one end of the metal part is clamped on the machine tool and the other end is milled; and after milling one end of the workpiece, the milled end is positioned and the other end is milled; that is, in the prior art, the two ends of the automobile part need to be processed respectively, the operation is complicated, the processing product takes a long time, and the efficiency is low; and the part processing needs to be oriented and positioned, which is difficult to clamp and is easy to cause the workpiece to shift due to unstable clamping, affecting the processing precision of the automobile part; to solve the problems raised in the above background art, the present application provides a double-end-face positioning hole and groove automobile part one-time forming device. SUMMARY

[0003] The present application aims to provide a double-end-face positioning hole and groove automobile part one-time forming device and method to solve the problems raised in the above background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: it comprises a punch assembly and a main mold assembly, the punch assembly comprises a punch top rod, which is used for extrusion forming one end of the workpiece; the main mold assembly comprises a main mold body and a main mold forming rod, the main mold body is provided with a cavity for placing the workpiece, the main mold forming rod is arranged at one end of the main mold body away from the punch assembly, and the punch top rod, the forming channel and the main mold forming rod are coaxially arranged; when the workpiece is processed, the punch top rod and the main mold forming rod simultaneously extrude both ends of the workpiece in the cavity.

[0005] Preferably, a driving member is further arranged, which is arranged at one end of the punch assembly away from the main mold assembly, and the driving end of the driving member drives the punch top rod to reciprocate in the direction away from or close to the cavity through the first elastic member.

[0006] Preferably, the punch assembly further comprises a punch sleeve, which is sleeved on the outer periphery of the punch top rod and is fixedly connected with the driving end of the driving member; and when the first elastic member is at the original length, the forming end of the punch top rod protrudes out of the punch sleeve.

[0007] Preferably, the main mold assembly further comprises a main mold bearing pad and a second elastic member, the main mold bearing pad is arranged at one end of the main mold forming rod away from the cavity, and the second elastic member is arranged at one end of the main mold bearing pad away from the main mold forming rod.

[0008] Preferably, the main mold assembly further comprises a main mold reset elastic member, which is sleeved on the outer periphery of the main mold forming rod and abuts against the main mold body and the main mold bearing pad at both ends.

[0009] Preferably, the male mold assembly further comprises a male mold pushing assembly, which comprises a male mold pushing member and a male mold pushing driving member. The male mold pushing member is arranged on the outer periphery of the male mold ejector rod and located in the male mold sleeve. The male mold pushing driving member is arranged between the first elastic member and the male mold ejector rod. The driving end of the male mold pushing driving member is correspondingly arranged with the pushing member to make the workpiece separate from the male mold ejector rod.

[0010] Preferably, the male mold pushing driving member is in the shape of a Chinese character "Kong", the middle part of the male mold pushing driving member is connected with the male mold ejector rod, and the driving end of the male mold pushing driving member is located outside and fixedly connected with the male mold pushing member.

[0011] Preferably, the male mold pushing driving member is provided with a male mold bearing pad on the outer periphery, and the male mold bearing pad is located inside the male mold sleeve.

[0012] Preferably, the main mold assembly further comprises a main mold pushing member, which penetrates through the main mold bearing pad and is arranged on the outer periphery of the main mold forming rod.

[0013] To achieve the above-mentioned purpose, the present application provides the following technical scheme, which comprises the following steps: step S1: driving the male mold assembly to move towards the main mold assembly;

[0014] Step S2: moving to the position where the male mold sleeve abuts against the main mold body and the forming end of the male mold ejector rod abuts against one end of the workpiece, extruding the main mold reset elastic member and continuously pushing the main mold body to drive the workpiece to move towards the main mold forming rod synchronously;

[0015] Step S3: moving to the position where the other end of the workpiece abuts against the forming end of the main mold forming rod, and continuously pushing the male mold assembly to move downwards to the maximum stroke, so as to simultaneously extrude and form the two ends of the workpiece by the first elastic member and the second elastic member;

[0016] Step S4: after the extrusion is completed, the driving member drives the male mold assembly to move away from the main mold assembly, the main mold reset elastic member drives the main mold body to reset, and the workpiece is pushed out through the main mold pushing member.

[0017] Compared with the prior art, the present application has the following beneficial effects: when the two ends of the automobile part are processed, the workpiece is placed in the cavity, and the two ends of the workpiece in the cavity are simultaneously extruded by the male mold ejector rod and the main mold forming rod, so that the workpiece is not required to be clamped and fixed on the existing machine tool for processing from one end to the other end, thereby avoiding the complicated operation and low workpiece processing precision caused by inaccurate clamping or positioning. In the present application, the workpiece is only required to be placed in the cavity without positioning, and the two ends of the workpiece can be processed at one time, so as to ensure the processing precision of the workpiece and improve the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a sectional view of the whole application;

[0019] Figure 2 is a partial enlarged view of Figure 1 ; DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-2 , the present application provides a kind of double-end positioning hole and groove automobile parts one forming device technical scheme: including horizontal setting male die assembly, main mould component, the male die assembly includes male die ejector pin 3, the male die ejector pin 3 is used to the one end extrusion forming of workpiece 5;The main mould component includes main mould body 10 and main mould forming rod 6, the main mould body 10 is opened with the cavity for placing workpiece 5, the cavity is two-end opening through slot, the cavity inner diameter is slightly larger than workpiece outer diameter, the main mould forming rod 6 is set in main mould body 10 far from male die assembly one end, the male die ejector pin 3, forming channel, main mould forming rod 6 three coaxial settings;When workpiece is processed, male die ejector pin 3, main mould forming rod 6 are simultaneously extruded to the workpiece 5 two ends in cavity;

[0022] When the two ends of the automobile parts are processed, the workpiece is placed in the cavity, and the male die ejector pin 3 and the main mould forming rod 6 are simultaneously extruded to the two ends of the workpiece 5 in the cavity, that is, without using the existing machine tool to clamp and fix the workpiece for processing from one end, which avoids the tedious operation and low workpiece processing precision caused by inaccurate clamping or positioning. In the present application, the workpiece only needs to be placed in the cavity without positioning, and the two ends of the workpiece can be processed at one time, which ensures the processing precision of the workpiece and improves the processing efficiency.

[0023] In further embodiments, a driving member 1 is also provided, which is arranged at one end of the male die assembly away from the main mould component, and the middle part of the driving end of the driving member 1 drives the male die ejector pin 3 to reciprocate in the direction away from or close to the cavity through the first elastic member.

[0024] That is, the male die ejector pin 3 is driven by the driving member 1 to close to the workpiece to extrude the workpiece. At the same time, the first elastic member is arranged to slowly extrude the workpiece, which avoids the deformation of the workpiece caused by the direct action of large extrusion force on the workpiece, and affects the processing precision of the workpiece.

[0025] In a further embodiment, the punch assembly further comprises a punch sleeve 4, the punch sleeve 4 being sleeved on the outer periphery of the punch ejector pin 3 and being slidable relative to the punch ejector pin 3; and when the first elastic member is at the original length, the forming end of the punch ejector pin 3 extends out of the punch sleeve 4; the driving end of the driving member 1 is fixedly connected with the punch sleeve 4;

[0026] That is, during the process of the driving member 1 driving the punch assembly to move downward, when the workpiece 5 is not pressed, the punch sleeve 4 moves synchronously with the punch ejector pin 3; when the driving member drives the punch sleeve to move downward to the punch ejector pin 3 and the main mold forming rod 6 simultaneously presses the two ends of the workpiece, the driving member continues to drive the punch sleeve to move downward, and the first elastic member and the second elastic member are pressed to provide the punch ejector pin 3 and the main mold forming rod 6 with a retraction space, thereby further achieving slow forming of the workpiece.

[0027] Meanwhile, when the first elastic member is at the original length, the forming end of the punch ejector pin 3 extends out of the punch sleeve 4, which ensures that the main mold body 10 moves synchronously with the workpiece 5 when the punch sleeve 4 contacts the main mold body 10 and the forming end of the punch ejector pin 3 contacts one end of the workpiece, that is, the main mold body 10 and the workpiece 5 are relatively stationary during the entire movement process, and there is no friction between the workpiece 5 and the main mold body 10, thereby ensuring the stability of the workpiece forming.

[0028] In a further embodiment, the main mold assembly further comprises a main mold bearing pad 8 and a second elastic member 9, the main mold bearing pad 8 being arranged at the end of the main mold forming rod 6 away from the cavity, the end of the main mold bearing pad 8 away from the main mold forming rod 6 being provided with the second elastic member 9, and the other end of the second elastic member 9 being mounted on the equipment through the base.

[0029] That is, when the workpiece is pressed by the main mold forming rod 6, the workpiece is slowly formed by the second elastic member 9, thereby avoiding deformation of the workpiece caused by the direct action of a large pressing force on the workpiece, and affecting the machining precision of the workpiece.

[0030] In a further embodiment, the main mold assembly further comprises a main mold reset elastic member 7, the main mold reset elastic member 7 being sleeved on the outer periphery of the main mold forming rod 6 and abutting against the main mold body 10 and the main mold bearing pad 8 at two ends, respectively.

[0031] The main mold reset elastic member 7 provides a sliding space for synchronous movement of the main mold body 10 and the workpiece, thereby avoiding friction between the workpiece and the cavity during the pressing process and affecting the stability of the workpiece forming; meanwhile, the main mold reset elastic member drives the main mold body 10 to reset after the pressing is completed.

[0032] Further, the punch pushing assembly comprises a punch pushing piece and a punch pushing driving piece, the punch pushing piece is arranged outside the punch ejector pin 3 and in the punch sleeve 4, the punch pushing driving piece is arranged between the first elastic piece and the punch ejector pin 3, and the driving end of the punch pushing driving piece is correspondingly arranged with the punch pushing piece to separate the workpiece from the punch ejector pin 3.

[0033] That is, after the extrusion is completed, the punch pushing driving piece is driven to push the punch pushing piece to separate the punch ejector pin 3 from the workpiece, and the workpiece is conveniently discharged.

[0034] Further, the punch pushing driving piece is in the shape of a Chinese character 'K', the middle part of the punch pushing driving piece is connected with the punch ejector pin 3, and the driving end of the punch pushing driving piece is arranged at the outer end and is fixedly connected with the punch pushing piece.

[0035] Further, the punch pushing piece comprises a punch ejector pin 11 and a punch pushing rod 12 arranged in sequence along the length direction of the punch ejector pin 3, one end of the punch ejector pin 11 is fixedly connected with the driving end of the punch pushing driving piece, and the other end of the punch pushing rod 12 is connected with the punch pushing rod.

[0036] That is, the punch pushing driving piece is used to push the punch ejector pin, and the punch pushing rod is further pushed to separate the positioning hole and groove of the workpiece from the forming head of the punch ejector pin 3, and the workpiece is conveniently discharged.

[0037] Further, the main die assembly further comprises a main die pushing piece, the main die pushing piece penetrates through the main die bearing pad 8 and is arranged outside the main die forming rod 6, the main die pushing piece comprises a main die ejector pin 13 and a main die pushing tube 14 arranged in sequence along the length direction of the main die forming rod 6, one end of the main die ejector pin 13 is connected with the equipment, and the other end is connected with the main die pushing tube.

[0038] That is, when the workpiece is discharged, the equipment is used to push the main die ejector pin 13 to drive the main die pushing tube 14 to move, so that the forming head of the main die forming rod 6 is separated from the positioning hole and groove of the workpiece.

[0039] The application provides a technical scheme of a one-time forming method for a double-end positioning hole and groove automobile part.

[0040] Step S1: the driving piece 1 drives the punch assembly to move towards the main die assembly.

[0041] Step S2: the punch sleeve 4 is abutted with the main die body 10, the forming end of the punch ejector pin 3 is abutted with one end of the workpiece, the main die reset elastic piece 7 is extruded, and the main die body 10 is continuously pushed to drive the workpiece 5 to move synchronously towards the main die forming rod 6.

[0042] Step S3: moving to the other end of the workpiece 5 and abutting with the forming end of the main mold forming rod 6, and continuing to push the punch assembly to move downward to the maximum stroke to slowly extrude and form the two ends of the workpiece 5 by the first elastic member 1 and the second elastic member 9 at the same time;

[0043] Step S4: After the extrusion is completed, the driving member drives the punch assembly away from the main mold assembly, the main mold reset elastic member 7 drives the main mold body 10 to reset, and the workpiece 5 is pushed out by the main mold pushing member.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A one-time forming device for automotive parts with double-end-face positioning holes and grooves, characterized in that, The assembly includes a punch assembly and a main die assembly. The punch assembly includes a punch ejector (3), which is used to extrude and form one end of the workpiece (5). The main die assembly includes a main die body (10) and a main die forming rod (6). The main die body (10) has a cavity for placing the workpiece (5). The main die forming rod (6) is located at the end of the main die body (10) away from the punch assembly. The punch ejector (3), the forming channel, and the main die forming rod (6) are coaxially arranged. When processing the workpiece, the punch ejector (3) and the main die forming rod (6) simultaneously extrude both ends of the workpiece (5) in the cavity.

2. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 1, characterized in that: It is also provided with a driving component (1), which is located at the end of the punch assembly away from the main mold assembly. The driving end of the driving component (1) drives the punch ejector rod (3) to reciprocate in the direction away from or close to the cavity through the first elastic element.

3. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 2, characterized in that: The punch assembly also includes a punch sleeve (4), which is sleeved on the outer periphery of the punch ejector (3) and fixedly connected to the driving end of the driving member (1); and when the first elastic member is at its original length, the forming end of the punch ejector (3) extends out of the punch sleeve (4).

4. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 1, characterized in that: The main mold assembly also includes a main mold bearing pad (8) and a second elastic element (9). The main mold bearing pad (8) is disposed at the end of the main mold forming rod (6) away from the cavity, and the second elastic element (9) is disposed at the end of the main mold bearing pad (8) away from the main mold forming rod (6).

5. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 4, characterized in that: The main mold assembly also includes a main mold reset elastic element (7), which is sleeved on the outer periphery of the main mold forming rod (6) and its two ends abut against the main mold body (10) and the main mold bearing pad (8) respectively.

6. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 3, characterized in that: The punch assembly also includes a punch ejector assembly, which includes a punch ejector and a punch ejector drive. The punch ejector is located on the outer periphery of the punch ejector (3) and inside the punch sleeve (4). The punch ejector drive is located between the first elastic element and the punch ejector (3). The drive end of the punch ejector drive is correspondingly arranged with the punch ejector to disengage the workpiece from the punch ejector (3).

7. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 6, characterized in that: The punch pusher is shaped like a convex character. The middle part of the punch pusher is connected to the punch ejector rod (3). The driving end of the punch pusher is located on the outside and is fixedly connected to the punch pusher.

8. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 6, characterized in that: The outer periphery of the punch pusher is provided with a punch bearing pad (2), and the punch bearing pad (2) is located inside the punch sleeve (4).

9. The one-time forming device for automotive parts with double-end-face positioning holes and grooves according to claim 4, characterized in that: The main mold assembly also includes a main mold pusher, which penetrates the main mold bearing pad (8) and is located on the outer periphery of the main mold forming rod (6).

10. A method for one-time molding of automotive parts with double-end-face positioning holes and grooves, characterized in that: Step S1: The driving component (1) drives the punch assembly to move towards the main die assembly; Step S2: Move the punch sleeve (4) to abut against the main mold body (10) and the forming end of the punch ejector (3) to abut against one end of the workpiece, squeeze the main mold reset elastic element (7) and continue to push the main mold body (10) to drive the workpiece (5) to move synchronously towards the main mold forming bar (6); Step S3: Move the workpiece (5) to the other end and abut the forming end of the main mold forming rod (6), and continue to push the punch assembly down to the maximum stroke, so as to use the first elastic element (1) and the second elastic element (9) to slowly extrude and form the two ends of the workpiece (5) at the same time. Step S4: After extrusion, the driving component moves the punch assembly away from the main die assembly, the main die reset elastic component (7) drives the main die body (10) to reset, and pushes out the workpiece (5) through the main die pusher component.

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