Engine heat shield support punching mechanism

Abstract

The utility model provides an engine heat shield support punching mechanism which comprises a base, a box body fixedly installed at the top of the base, a positioning die with a blanking hole fixedly installed at the top of the box body, a portal frame fixed at the top of the base, an electric push rod fixed at the top of the portal frame, and a punching mechanism fixed at the top of the portal frame, push rods of the electric push rods penetrate through the portal frame and are fixedly connected with adjusting plates; punching cutters are fixed to the four sides of the bottom of the lifting plate, and the lifting plate is connected with the adjusting plate; the movable pressing block is arranged on the lower side of the lifting plate, the top of the movable pressing block is connected with the lifting plate through a connecting assembly, movable pressing rings are fixedly connected to the two sides of the two side walls of the movable pressing block, and the outer wall of the punching cutter is movably sleeved with the movable pressing rings. When the punching cutter descends for punching, the movable block can apply pressure to the middle of the upper surface of the support, the movable pressing ring can be driven to accurately apply pressure to the punching position of a workpiece, and therefore the punching accuracy can be improved easily through dual-pressure-applying positioning.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engine heat shield support punching technical field especially, be related to a kind of engine heat shield support punching mechanism. BACKGROUND

[0002] Engine heat shield is one of important components in automobile, motorcycle and other mechanical equipment, mainly used to reduce the influence of high temperature generated when engine operates on surrounding components;

[0003] The existing engine heat shield in the process of production and processing, heat shield is with heat shield support as framework, heat insulation material is installed on framework to form heat shield, so as to facilitate installation, heat shield support needs to be holed, punching mechanism is needed when holed, the existing punching mechanism when holed to heat shield framework, punching knife will use pressing assembly to press the top of support to ensure its stability, but currently pressing support to avoid interfering with punching, only partial pressing is carried out on the top of support, but due to unevenness of workpiece when punching, partial pressing can cause slight lifting of the part of workpiece not under pressure, and then cause inaccurate punching, inconvenient to press and position punching. SUMMARY

[0004] Therefore, the utility model aims at providing a kind of engine heat shield support punching mechanism to solve the technical problem of inconvenient pressing and positioning punching.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A kind of engine heat shield support punching mechanism, including base, the top of base is fixedly installed with box, the top of box is fixedly installed with positioning die with blanking hole, further comprising:

[0007] Portal frame, the top of portal frame is fixed with electric push rod, the push rod of electric push rod penetrates portal frame and is fixedly connected with adjusting plate;

[0008] Lifting plate, the bottom of lifting plate is fixed with punching knife on four sides, and the lifting plate is connected with adjusting plate;

[0009] Movable pressure block, movable pressure block is arranged on the lower side of lifting plate, the top of movable pressure block is connected with lifting plate by connecting assembly, movable pressure ring is fixedly connected on both sides of the two side walls of movable pressure block, and movable pressure ring is movably sleeved on the outer wall of punching knife.

[0010] It should be understood that, when electric push rod drives lifting plate and punching knife to descend and punch, movable pressure block and movable pressure ring press and position the middle part of the top of heat shield and punching place.

[0011] Further, the connecting assembly comprises:

[0012] A cover is fixed to the bottom of the lifting plate, and the movable pressing block is inserted into the inner cavity of the bottom of the cover.

[0013] Three first springs are uniformly fixed to the top of the movable pressing block, and the top of the first spring is fixedly connected with the top of the inner cavity of the cover.

[0014] It should be noted that after the movable pressing block contacts the workpiece, the lifting plate continues to descend, at this time the movable pressing block is pushed back, thereby compressing the first spring, so that the punching knife can continuously descend to realize the punching operation.

[0015] Further, the movable pressing block further comprises:

[0016] A strip-shaped groove is formed in the bottom of the movable pressing block.

[0017] A movable plate is arranged in the strip-shaped groove, and the top of the movable plate is fixedly provided with a second spring on both sides, and the top of the second spring is fixedly connected with the top of the inner cavity of the strip-shaped groove.

[0018] A plurality of suction cups are fixed to the bottom of the movable plate.

[0019] It should be understood that during the process of the movable pressing block descending to press the workpiece, the suction cups will be pressed on the workpiece, at this time the continuous pressure enables the suction cups to adsorb the workpiece, and the pressure will push back the movable plate to compress the second spring, thereby avoiding the damage of the suction cups due to excessive pressure. Then after the punching is completed, the movable pressing block is lifted, at this time the suction cups adsorbing the workpiece can lift the workpiece from the positioning mold, thereby facilitating the unloading.

[0020] Further, the adjusting plate further comprises:

[0021] A sliding cavity is formed in the bottom of the adjusting plate.

[0022] A lead screw motor is fixedly installed on one end face of the inner cavity of the sliding cavity, the transmission shaft of the lead screw motor is fixedly connected with a lead screw at the outer end, the outer end of the lead screw is rotationally connected with the inner wall of the sliding cavity, a matched lead screw slider is sleeved on the outer wall of the lead screw, and the lead screw slider is slidingly arranged in the sliding cavity, and the bottom of the lead screw slider is fixedly connected with the lifting plate.

[0023] It should be understood that after the workpiece is adsorbed and lifted, the lead screw motor drives the lead screw to rotate, thereby driving the lead screw slider to move to one side, thereby driving the lifting plate to move to one side, indirectly moving the adsorbed and lifted workpiece to one side, thereby further facilitating the unloading of the workers.

[0024] Further, the top of the adjusting plate is fixed with a limiting rod on both sides, and the limiting rod is movably penetrated through the gantry.

[0025] Further, a side wall of the box body is provided with a jack on the lower side, and a drawer matched with the jack is inserted into the jack.

[0026] Further, the punching cutter is arranged opposite to the blanking hole of the positioning die.

[0027] Compared with the prior art, the engine heat shield support punching mechanism has the following beneficial effects:

[0028] The engine heat shield support punching mechanism has the following beneficial effects:

[0029] The engine heat shield support punching mechanism has the following beneficial effects:

[0030] The engine heat shield support punching mechanism has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0031] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and are incorporated herein for illustrative purposes. The schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0032] Figure 1 The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and are incorporated herein for illustrative purposes. The schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0033] Figure 2 The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and are incorporated herein for illustrative purposes. The schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0034] Figure 3 The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and are incorporated herein for illustrative purposes. The schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings: Figure 2

[0035] Figure 4 The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and are incorporated herein for illustrative purposes. The schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0036] Figure 5 ​The adjusting plate bottom structure schematic view of the engine heat shield support punching mechanism is shown in the embodiment of the utility model.

[0037] Mark explanation:

[0038] 1, base; 11, gantry; 12, box; 13, positioning mold; 14, drawer; 2, electric push rod; 21, adjusting plate; 22, lifting plate; 23, cover; 24, movable pressing block; 25, punching knife; 26, movable pressing ring; 27, first spring; 3, movable plate; 31, suction cup; 32, second spring; 4, screw motor; 41, screw rod; 42, screw rod sliding block. Specific implementation

[0039] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0040] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0041] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0043] As Figures 1-5As shown, as an embodiment, an engine heat shield bracket punching mechanism, comprising a base 1, the top of the base 1 is fixedly installed with a box body 12, the top of the box body 12 is fixedly installed with a positioning die 13 with a blanking hole, further comprising:

[0044] Gantry 11, gantry 11 is fixed on the top of the base 1, the top of the gantry 11 is fixed with an electric push rod 2, the push rod of the electric push rod 2 penetrates through the gantry 11 and is fixedly connected with an adjusting plate 21;

[0045] Lifting plate 22, the bottom of the lifting plate 22 is fixed with punching knives 25 on four sides, and the lifting plate 22 and the adjusting plate 21 are connected, and the punching knives 25 are arranged opposite to the blanking hole on the positioning die 13;

[0046] Movable pressing block 24, movable pressing block 24 is arranged on the lower side of lifting plate 22, the top of movable pressing block 24 is connected with lifting plate 22 through connecting assembly, movable pressing ring 26 is fixedly connected on both sides of movable pressing block 24, and movable pressing ring 26 is movably sleeved on the outer wall of punching knife 25.

[0047] It should be understood that in actual use, first, the skeleton of the heat shield is placed on the positioning die 13 for positioning, then the adjusting plate 21 is driven to descend by the electric push rod 2, so that the lifting plate 22 descends, so that the punching knife 25 descends, then the movable pressing block 24 will press on the workpiece to preliminarily press and stabilize, and the movable pressing ring 26 will press on the punching hole, then the punching knife 25 will continue to descend, so that the punching knife 25 will accurately punch the workpiece pressed, and the waste after punching will enter the inner cavity of the box body 12 through the blanking hole on the top of the positioning die 13 to be collected.

[0048] Further, a side wall of the box body 12 is provided with a bushing on the lower side, and the bushing is inserted with a matched drawer 14, which can collect the waste falling into the box body 12, and is convenient to take out.

[0049] Further, the top of the adjusting plate 21 is fixed with a limiting rod on both sides, the limiting rod is movably penetrated in the gantry 11, and the limiting rod is arranged to make the electric push rod 2 drive the adjusting plate 21 to ascend and descend stably.

[0050] As shown in Figure 1 , 2 , 4, as an embodiment, the connecting assembly comprises:

[0051] Cover 23, cover 23 is fixed on the bottom of lifting plate 22, movable pressing block 24 is inserted into the inner cavity of cover 23;

[0052] Three first springs 27, three first springs 27 are uniformly fixed on the top of movable pressing block 24, and the top of first spring 27 is fixedly connected with the top of the inner cavity of cover 23.

[0053] It should be understood that after the active pressing block 24 contacts the workpiece, the lifting plate 22 continues to descend, at this time the active pressing block 24 is pushed back, thereby compressing the first spring 27, so that the punching knife 25 can continue to descend to realize the punching operation.

[0054] As shown in Figure 1 , 2 , 3, as an embodiment, the active pressing block 24 further comprises:

[0055] a strip-shaped groove, which is arranged at the bottom of the active pressing block 24;

[0056] an active plate 3, which is arranged in the strip-shaped groove, and the top of the active plate 3 is fixed with a second spring 32 on both sides, and the top of the second spring 32 is fixedly connected with the top of the inner cavity of the strip-shaped groove;

[0057] a plurality of suction cups 31, which are fixed to the bottom of the active plate 3.

[0058] It should be understood that during the process of the active pressing block 24 descending to press the workpiece, the suction cups 31 will press on the workpiece, at this time the continuous pressure enables the suction cups 31 to adsorb the workpiece, and the pressure will push back the active plate 3 to compress the second spring 32, thereby avoiding the damage of the suction cups 31 due to excessive pressure. Then after the punching is completed, the active pressing block 24 is lifted, at this time the suction cups 31 adsorbing the workpiece can lift the workpiece from the positioning mold 13, thereby facilitating the unloading.

[0059] As shown in Figure 1 , 2 , 5, as an embodiment, the adjusting plate 21 further comprises:

[0060] a sliding cavity, which is arranged at the bottom of the adjusting plate 21;

[0061] a lead screw motor 4, which is fixedly installed at one end face of the inner cavity of the sliding cavity, and the outer end of the transmission shaft of the lead screw motor 4 is fixedly connected with a lead screw 41, the outer end of the lead screw 41 is rotatably connected with the inner wall of the sliding cavity, the outer wall of the lead screw 41 is sleeved with a matched lead screw sliding block 42, and the lead screw sliding block 42 is slidingly arranged in the sliding cavity, and the bottom of the lead screw sliding block 42 is fixedly connected with the lifting plate 22.

[0062] It should be understood that after the workpiece is adsorbed and lifted, the lead screw motor 4 drives the lead screw 41 to rotate, thereby driving the lead screw sliding block 42 to move to one side, thereby driving the lifting plate 22 to move to one side, indirectly moving the adsorbed and lifted workpiece to one side, thereby further facilitating the unloading of the workpiece by the staff.

[0063] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An engine heat shield support punching mechanism, comprising a base (1), a box (12) is fixedly installed on the top of the base (1), a positioning die (13) with a blanking hole is fixedly installed on the top of the box (12), characterized in that: Also include: Gantry (11), the gantry (11) is fixed on the top of the base (1), the top of the gantry (11) is fixed with electric push rod (2), the push rod of the electric push rod (2) penetrates the gantry (11) and is fixedly connected with the adjusting plate (21); Lifting plate (22), the bottom of the lifting plate (22) is fixed with punching knife (25) on four sides, and the lifting plate (22) and the adjusting plate (21) are connected; Movable pressing block (24), the movable pressing block (24) is arranged on the lower side of the lifting plate (22), the top of the movable pressing block (24) is connected with the lifting plate (22) through the connecting assembly, the movable pressing block (24) is fixedly connected with movable pressing ring (26) on both sides of the two side walls, and the movable pressing ring (26) is movably sleeved on the outer wall of the punching knife (25); Wherein, when the electric push rod (2) drives the lifting plate (22) and the punching knife (25) to descend and punch, the movable pressing block (24) and the movable pressing ring (26) will press and position the middle part of the top of the heat shield and the punching part.

2. The engine shield support punch mechanism of claim 1, wherein: The connecting assembly comprises: Cover shell (23), the cover shell (23) is fixed on the bottom of the lifting plate (22), the movable pressing block (24) is inserted into the bottom inner cavity of the cover shell (23); Three first springs (27), three first springs (27) are uniformly fixed on the top of the movable pressing block (24), and the top of the first spring (27) is fixedly connected with the inner cavity top of the cover shell (23).

3. The engine shield support punch mechanism of claim 2, wherein: The movable pressing block (24) further comprises: Strip-shaped groove, the strip-shaped groove is formed in the bottom of the movable pressing block (24); Movable plate (3), the movable plate (3) is arranged in the strip-shaped groove, the top of the movable plate (3) is fixed with second spring (32) on both sides, and the top of the second spring (32) is fixedly connected with the inner cavity top of the strip-shaped groove; Suction disc (31), the number of the suction disc (31) is multiple, and the multiple suction discs (31) are fixed on the bottom of the movable plate (3).

4. The engine shield support punch mechanism of claim 3, wherein: The adjusting plate (21) further comprises: Sliding cavity, the sliding cavity is formed in the bottom of the adjusting plate (21); Lead screw motor (4), the lead screw motor (4) is fixedly installed on one end face of the sliding cavity, the transmission shaft outer end of the lead screw motor (4) is fixedly connected with lead screw (41), the outer end of the lead screw (41) is rotatably connected with the inner wall of the sliding cavity, the outer wall of the lead screw (41) is sleeved with an adaptive lead screw slider (42), and the lead screw slider (42) is slidably arranged in the sliding cavity, and the bottom of the lead screw slider (42) is fixedly connected with the lifting plate (22).

5. An engine shield support punch mechanism according to claim 4, wherein: The top of the adjusting plate (21) is fixed with a limiting rod on both sides, and the limiting rod is movably penetrated in the gantry (11).

6. An engine shield support punch mechanism according to claim 5, wherein: A side wall of the box body (12) is provided with a bushing on the lower side, and the bushing is inserted with an adaptive drawer (14).

7. An engine shield support punch mechanism according to claim 6, wherein: The punching knife (25) is arranged opposite to the blanking hole of the positioning die (13).

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