CN111546582A

CN111546582A - Tunnel core-pulling mechanism

Info

Publication number: CN111546582A
Application number: CN202010292775.6A
Authority: CN
Inventors: 杨宝金
Original assignee: Ningbo South Mold & Plastic Co ltd
Current assignee: Ningbo South Mold & Plastic Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-08-18
Anticipated expiration: 2040-04-15
Also published as: CN111546582B

Abstract

The invention discloses a tunnel core-pulling mechanism, which comprises a sliding seat, a driving mechanism and a limiting mechanism, wherein the sliding seat is connected to a die holder in a sliding manner; a lower die for injection molding of the radar mounting plate is fixed on the die holder, two supporting blocks which are symmetrically arranged in the front and back are connected inside the lower die in a sliding manner, the two supporting blocks are fixed with each other, and both the two supporting blocks are connected with the sliding seat in a sliding manner; a push-pull rod and a guide block are arranged between the two supporting blocks, the lower end of the guide block is fixed with the upper end of the push-pull rod, the lower end of the push-pull rod is connected with a sliding seat in a sliding manner, a forming sleeve is fixed at an opening at the upper end of the two supporting blocks, the outer walls of the front side and the rear side of the guide block positioned in the forming sleeve are connected with forming blocks in a sliding manner, a stop block is fixed on the inner side wall of each supporting block, and a bulge is formed on the outer wall of each; the invention can form the buckling hole matched and clamped with the automobile radar at one time, thereby bringing convenience to the production of the radar mounting plate.

Description

Tunnel core-pulling mechanism

Technical Field

The invention relates to the technical field of automobile radar mounting plate injection molds, in particular to a tunnel core-pulling mechanism.

Background

At present, in the production process of an automobile radar mounting plate, a buckle hole for matching and clamping with an automobile radar needs to be formed in the automobile radar mounting plate, as shown by reference numeral 31 in the attached figure 3 of the specification; however, the existing mold for producing the automobile radar mounting plate cannot form the buckling hole at one time, namely, when the existing mold is adopted for injection molding of the automobile radar mounting plate, the buckling hole on the automobile radar mounting plate is clamped with the mold, so that the phenomenon that demolding cannot be carried out occurs; at present, the automobile radar mounting plate is firstly injected and molded, and then a buckling hole is formed in the automobile radar mounting plate, but after the automobile radar mounting plate is produced by adopting the method, the defects of troublesome production and more processes of the automobile radar mounting plate exist, and the automobile radar mounting plate is not favorable for quick production.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a tunnel core pulling mechanism, which can be used for forming a buckling hole matched and clamped with an automobile radar in one step when the radar mounting plate is produced, so that convenience can be brought to the production of the radar mounting plate, and the production efficiency of the radar mounting plate can be improved.

The invention relates to a tunnel core pulling mechanism, which comprises a sliding seat connected to a die holder in a sliding manner, wherein a driving structure for driving the sliding seat to slide is fixed on the die holder, and a limiting structure for limiting the sliding range of the sliding seat is arranged on the die holder; a lower die for injection molding of the radar mounting plate is fixed on the die holder, two supporting blocks which are symmetrically arranged in the front and back are connected inside the lower die in a sliding manner, the two supporting blocks are fixed with each other, and both the two supporting blocks are connected with the sliding seat in a sliding manner; install push-and-pull rod and guide block between two supporting shoes, the lower extreme of guide block is fixed with the upper end of push-and-pull rod, the lower extreme and the sliding seat sliding connection of push-and-pull rod, the opening part of two supporting shoes upper ends is fixed with the shaping cover, equal sliding connection has the shaping piece on the outer wall of both sides around the guide block that is located shaping cover inside, all be fixed with the dog that is used for supporting the shaping piece that corresponds the side respectively on the inside wall of every supporting shoe, homogeneous body shaping has the arch that is used for processing the knot hole on the radar mounting panel on the outer wall of every shaping piece.

The tunnel core pulling mechanism comprises a sliding seat, a die holder, a first sliding rail, a second sliding rail, a third sliding rail and a fourth sliding rail, wherein the first sliding rail is arranged on the front side and the rear side of the sliding seat, the first sliding rail is fixed with the inner wall of the die holder, and the sliding seat; by adopting the structure, the sliding seat can be reliably connected with the die holder in a sliding way.

The invention relates to a tunnel core pulling mechanism, wherein a driving structure comprises an oil cylinder fixed on a die holder, a piston rod of the oil cylinder is fixed with a sliding seat, and the oil cylinder is connected with a hydraulic control unit in an injection molding machine through a pipeline; after the driving structure is adopted, when a piston rod of the oil cylinder extends, the sliding seat can be pushed to move forwards, and when the piston rod of the oil cylinder contracts, the sliding seat can be driven to move backwards.

The invention relates to a tunnel core pulling mechanism, wherein a limiting structure comprises a limiting rod and a supporting plate, the limiting rod is arranged in a sliding seat in a penetrating mode and is fixed with the sliding seat, the tail end of the limiting rod extends out of the sliding seat, the supporting plate is fixed with a die holder, two travel switches are fixed on the supporting plate and are distributed along the sliding direction of the sliding seat, a trigger block used for triggering the travel switches is fixed at the tail end of the limiting rod, and the two travel switches are connected with an electric control unit in an injection molding machine through a lead; by adopting the limiting structure, when the driving structure drives the sliding seat to move forwards, the sliding seat can drive the limiting rod to move forwards, and when the limiting rod drives the trigger block to move forwards and abut against the travel switch positioned on the front side, the driving structure stops driving the sliding seat; when the driving structure drives the sliding seat to move backwards, the sliding seat can drive the limiting rod to move backwards, and when the limiting rod drives the trigger block to move backwards and abut against the travel switch positioned at the rear side, the driving structure stops driving the sliding seat; in the process, the travel switch can trigger an electric control unit in the injection molding machine, the electric control unit in the injection molding machine can control a hydraulic control unit, and the hydraulic control unit can control the action of the oil cylinder.

The tunnel core pulling mechanism comprises a lower die, a first sliding rail, a first supporting block, a second sliding rail, a first sliding rail, a second; by adopting the structure, the supporting block can be reliably connected with the lower die in a sliding way.

The tunnel core pulling mechanism comprises a sliding block, a sliding seat, a first sliding groove and a second sliding groove, wherein the sliding block is fixed on the inner side wall of each supporting block, the outer walls of the front side and the rear side of the sliding seat are respectively provided with the first sliding groove which is used for being in sliding fit with the sliding block on one supporting block, the first sliding groove comprises an inclined section and a horizontal section, and the tail end of the inclined section is connected with the head end of the horizontal section; by adopting the structure, the supporting block can be reliably connected with the sliding seat in a sliding way.

The tunnel core pulling mechanism comprises a sliding seat, a push-pull rod, a first sliding chute, a second sliding chute, a first sliding chute and a second sliding chute, wherein the top of the sliding seat is provided with the second sliding chute, the cross section of the second sliding chute is T-shaped, the second sliding chute is obliquely arranged, the second sliding chute is; by adopting the structure, the push-pull rod can be reliably connected with the sliding seat in a sliding manner, and in addition, the phenomenon that the push-pull rod is separated from the second sliding groove can be avoided by adopting the T-shaped second sliding groove.

The tunnel core pulling mechanism is characterized in that the outer walls of the front side and the rear side of the guide block are respectively provided with a third sliding chute with a T-shaped section, each third sliding chute is gradually inclined outwards from top to bottom, and each forming block is respectively connected with the third sliding chute on the corresponding side in a sliding manner; after adopting this kind of structure, the shaping piece can be reliably with the guide block sliding connection together, in addition, through set the third spout to "T" font structure after, can avoid the shaping piece to appear breaking away from the phenomenon of third spout.

When the radar mounting plate is produced, the buckling hole for matching and clamping with the automobile radar can be formed in one step, so that convenience can be brought to the production of the radar mounting plate, and the production efficiency of the radar mounting plate can be improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic perspective view of a radar mounting plate;

FIG. 4 is a schematic diagram of a partially exploded structure of the present invention;

FIG. 5 is a schematic diagram of a partially exploded structure of the present invention;

FIG. 6 is a schematic perspective view of a portion of the present invention;

FIG. 7 is a schematic perspective view of a portion of the present invention;

FIG. 8 is a schematic partial perspective view of the present invention;

fig. 9 is a partial sectional structural schematic view of the present invention.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention relates to a tunnel core pulling mechanism, which comprises a sliding seat 2 connected to a die holder 1 in a sliding manner, wherein a driving structure for driving the sliding seat 2 to slide is fixed on the die holder 1, and a limiting structure for limiting the sliding range of the sliding seat 2 is arranged on the die holder 1; a lower die 4 for injection molding of the radar mounting plate 3 is fixed on the die holder 1, two supporting blocks 5 which are symmetrically arranged in the front and back are connected in the lower die 4 in a sliding manner, the two supporting blocks 5 are fixed with each other, and the two supporting blocks 5 are both connected with the sliding seat 2 in a sliding manner; a push-pull rod 6 and a guide block 7 are arranged between the two supporting blocks 5, the lower end of the guide block 7 is fixed with the upper end of the push-pull rod 6, the lower end of the push-pull rod 6 is connected with the sliding seat 2 in a sliding manner, a forming sleeve 8 is fixed at an opening at the upper end of the two supporting blocks 5, forming blocks 9 are connected on the outer walls of the front side and the rear side of the guide block 7 inside the forming sleeve 8 in a sliding manner, a stop block 51 used for supporting the forming block 9 on the corresponding side is fixed on the inner side wall of each supporting block 5, and a bulge 91 used for processing a buckling hole 31 on the radar mounting plate 3 is formed on the outer wall of; when the radar mounting plate is produced, the buckling hole for matching and clamping with the automobile radar can be formed in one step, so that convenience can be brought to the production of the radar mounting plate, and the production efficiency of the radar mounting plate can be improved.

The front side and the rear side of the sliding seat 2 are both provided with a first sliding rail 101, the first sliding rail 101 is fixed with the inner wall of the die holder 1, and the sliding seat 2 is connected with the first sliding rail 101 in a sliding manner; by adopting the structure, the sliding seat can be reliably connected with the die holder in a sliding way.

The driving structure comprises an oil cylinder 102 fixed on the die holder 1, a piston rod of the oil cylinder 102 is fixed with the sliding seat 2, and the oil cylinder 102 is connected with a hydraulic control unit in the injection molding machine through a pipeline; after the driving structure is adopted, when a piston rod of the oil cylinder extends, the sliding seat can be pushed to move forwards, and when the piston rod of the oil cylinder contracts, the sliding seat can be driven to move backwards.

The limiting structure comprises a limiting rod 103 and a supporting plate 104, the limiting rod 103 is arranged in the sliding seat 2 in a penetrating mode and fixed with the sliding seat 2, the tail end of the limiting rod 103 extends out of the sliding seat 2, the supporting plate 104 is fixed with the die holder 1, two travel switches 105 are fixed on the supporting plate 104, the two travel switches 105 are distributed along the sliding direction of the sliding seat 2, a trigger block 106 used for triggering the travel switches 105 is fixed at the tail end of the limiting rod 103, and the two travel switches 105 are connected with an electric control unit in the injection molding machine through a lead; by adopting the limiting structure, when the driving structure drives the sliding seat to move forwards, the sliding seat can drive the limiting rod to move forwards, and when the limiting rod drives the trigger block to move forwards and abut against the travel switch positioned on the front side, the driving structure stops driving the sliding seat; when the driving structure drives the sliding seat to move backwards, the sliding seat can drive the limiting rod to move backwards, and when the limiting rod drives the trigger block to move backwards and abut against the travel switch positioned at the rear side, the driving structure stops driving the sliding seat; in the process, the travel switch can trigger an electric control unit in the injection molding machine, the electric control unit in the injection molding machine can control a hydraulic control unit, and the hydraulic control unit can control the action of the oil cylinder.

The inner walls of the front side and the rear side of the lower die 4 are respectively fixed with a second slide rail 41, and the two supporting blocks 5 are respectively connected with the second slide rails 41 on the corresponding sides in a sliding manner; by adopting the structure, the supporting block can be reliably connected with the lower die in a sliding way.

A sliding block 52 is fixed on the inner side wall of each supporting block 5, first sliding grooves 21 which are respectively used for being in sliding fit with the sliding block 52 on one supporting block 5 are arranged on the outer walls of the front side and the rear side of the sliding seat 2, each first sliding groove 21 comprises an inclined section 211 and a horizontal section 212, and the tail end of each inclined section 211 is connected with the head end of the corresponding horizontal section 212; by adopting the structure, the supporting block can be reliably connected with the sliding seat in a sliding way.

The top of the sliding seat 2 is provided with a second chute 22 with a T-shaped section and arranged obliquely, the second chute 22 is parallel to the inclined section 211, and the lower end of the push-pull rod 6 is connected with the second chute 22 in a sliding manner; by adopting the structure, the push-pull rod can be reliably connected with the sliding seat in a sliding manner, and in addition, the phenomenon that the push-pull rod is separated from the second sliding groove can be avoided by adopting the T-shaped second sliding groove.

The outer walls of the front side and the rear side of the guide block 7 are respectively provided with a third sliding chute 71 with a T-shaped section, each third sliding chute 71 is gradually inclined outwards from top to bottom, and each forming block 9 is respectively connected with the third sliding chute 71 on the corresponding side in a sliding manner; after adopting this kind of structure, the shaping piece can be reliably with the guide block sliding connection together, in addition, through set the third spout to "T" font structure after, can avoid the shaping piece to appear breaking away from the phenomenon of third spout.

In the invention, during core pulling, a piston rod of the oil cylinder contracts, at the same time, the oil cylinder drives the sliding seat to move towards one side far away from the die holder, in the process that the sliding seat slides towards one side far away from the die holder, the lower end of the push-pull rod slides along the second chute, at the same time, the push-pull rod can pull the guide block to move downwards, when the guide block moves downwards, under the matching action of the third chute and the forming blocks, the two forming blocks can slide along the third chute and can be folded inwards, at the same time, the bulge on the forming block can be separated from the buckle hole in the formed radar mounting plate, meanwhile, the sliding block can slide in the horizontal section, in the process that the oil cylinder continuously drives the sliding seat to move towards one side far away from the die holder, the sliding block can slide into the inclined section, at the same time, after the support block moves downwards, the forming sleeve can be separated from the radar mounting plate, when the trigger block on, and the piston rod in the oil cylinder stops contracting. When the lower die needs to be injection-molded with the radar mounting plate, a piston rod of the oil cylinder extends, at the same time, the oil cylinder drives the sliding seat to move towards one side close to the die holder, the sliding block can firstly slide in the horizontal section in the process that the sliding seat slides towards one side close to the die holder, at the same time, the supporting block can move upwards, the supporting block can drive the forming sleeve to move upwards, the sliding block can finally slide into the horizontal section in the process that the oil cylinder continuously drives the sliding seat to move towards one side close to the die holder, at the same time, the positions of the supporting block and the forming sleeve are kept motionless, meanwhile, the sliding seat can drive the push-pull rod to move upwards, the push-pull rod can drive the guide block to move upwards, in the process that the guide block moves upwards, under the matching action of the third sliding groove and the forming blocks, the two forming blocks can slide along the third sliding groove and can expand outwards, and when the, and the piston rod in the oil cylinder stops extending, and at the moment, the lower die can enter the state of the radar mounting plate to be injection-molded.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A tunnel core-pulling mechanism is characterized in that: the die comprises a sliding seat (2) which is connected to a die holder (1) in a sliding manner, wherein a driving structure for driving the sliding seat (2) to slide is fixed on the die holder (1), and a limiting structure for limiting the sliding range of the sliding seat (2) is arranged on the die holder (1); a lower die (4) used for injection molding of the radar mounting plate (3) is fixed on the die holder (1), two supporting blocks (5) which are symmetrically arranged in the front and back are connected inside the lower die (4) in a sliding mode, the two supporting blocks (5) are fixed with each other, and the two supporting blocks (5) are connected with the sliding seat (2) in a sliding mode; install push-and-pull rod (6) and guide block (7) between two supporting shoe (5), the lower extreme of guide block (7) is fixed with the upper end of push-and-pull rod (6), the lower extreme and sliding seat (2) sliding connection of push-and-pull rod (6), the opening part of two supporting shoe (5) upper ends is fixed with shaping cover (8), be located all sliding connection on the front and back both sides outer wall of the inside guide block (7) of shaping cover (8) have shaping piece (9), all be fixed with dog (51) that are used for supporting shaping piece (9) of corresponding side respectively on the inside wall of every supporting shoe (5), it has arch (91) that are used for processing knot hole (31) on radar mounting panel (3) to become the shaping uniformly on the outer wall of every shaping piece (9).

2. The tunnel core pulling mechanism according to claim 1, wherein the sliding seat (2) is provided with a first sliding rail (101) at the front side and the rear side, the first sliding rail (101) is fixed with the inner wall of the die holder (1), and the sliding seat (2) is connected with the first sliding rail (101) in a sliding manner.

3. The tunnel core-pulling mechanism according to claim 1, characterized in that the driving structure comprises an oil cylinder (102) fixed on the die holder (1), a piston rod of the oil cylinder (102) is fixed with the sliding seat (2), and the oil cylinder (102) is connected with a hydraulic control unit in the injection molding machine through a pipeline.

4. The tunnel core pulling mechanism according to claim 1, wherein the limiting structure comprises a limiting rod (103) and a supporting plate (104), the limiting rod (103) is arranged in the sliding seat (2) in a penetrating manner and fixed with the sliding seat (2), the tail end of the limiting rod (103) extends out of the sliding seat (2), the supporting plate (104) is fixed with the mold base (1), two travel switches (105) are fixed on the supporting plate (104), the two travel switches (105) are distributed along the sliding direction of the sliding seat (2), a trigger block (106) for triggering the travel switches (105) is fixed at the tail end of the limiting rod (103), and the two travel switches (105) are connected with an electrical control unit in the injection molding machine through conducting wires.

5. The tunnel core pulling mechanism according to claim 1, wherein the inner walls of the front and rear sides of the lower mold (4) are fixed with second slide rails (41), and the two support blocks (5) are respectively connected with the second slide rails (41) on the corresponding sides in a sliding manner.

6. The tunnel core pulling mechanism according to claim 1, wherein a sliding block (52) is fixed on the inner side wall of each supporting block (5), the outer walls of the front side and the rear side of the sliding seat (2) are respectively provided with a first sliding groove (21) which is used for being in sliding fit with the sliding block (52) on one supporting block (5), the first sliding grooves (21) comprise an inclined section (211) and a horizontal section (212), and the tail end of the inclined section (211) is connected with the head end of the horizontal section (212).

7. The tunnel core pulling mechanism according to claim 6, wherein the top of the sliding seat (2) is provided with a second chute (22) which is T-shaped in cross section and is obliquely arranged, the second chute (22) is parallel to the inclined section (211), and the lower end of the push-pull rod (6) is slidably connected with the second chute (22).

8. The tunnel core pulling mechanism according to claim 1, wherein the outer walls of the front side and the rear side of the guide block (7) are respectively provided with a third sliding groove (71) with a T-shaped section, each third sliding groove (71) is gradually inclined outwards from top to bottom, and each forming block (9) is respectively connected with the third sliding groove (71) on the corresponding side in a sliding manner.