Edge and head cutting die for heat shield

Abstract

The edge and head cutting die comprises a bottom plate, a heat shield body and a top plate installed above the bottom plate, an installation opening is fixedly connected to the middle of the top of the top plate, guide columns are fixedly connected to the periphery of the top of the bottom plate, and a limiting ring is fixedly connected to the bottom of the top plate. One side of the top of the bottom plate is fixedly connected with an edge cutting part mold, the other side of the top of the bottom plate is fixedly connected with a head cutting part mold, one side of the bottom of the top plate is fixedly connected with a fixing plate, a sliding rod is slidably connected to the interior of the fixing plate, and the end, away from the fixing plate, of the sliding rod is fixedly connected with a left pressing plate; the edge cutting device solves the problems that according to an existing edge cutting part die, one cavity and one die are generally adopted, so that edge material and head material cutting can be completed only by two sets of dies and two oil presses actually, the machining cost is increased, and the production efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of metal stamping dies, in particular to a trimming and head trimming die for a heat insulation cover. Background Art

[0002] A heat-insulating device usually made of thin metal sheets, located near high-temperature components (exhaust system) to protect the surrounding environment. It is generally made by stamping using the corresponding mold.

[0003] After the heat shield is stamped, there are excess scraps on the edge and head, which need to be cut off using a designed mold. The existing trimming mold generally adopts one cavity and one mold. A single mold is only convenient for trimming or only convenient for trimming the head, so the trimming of the edge and head actually requires two sets of molds and two hydraulic presses, which increases the processing cost, reduces production efficiency, and has certain limitations.

[0004] The invention provides a trimming and head trimming die for a heat shield, so as to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a trimming and head cutting die for a heat insulation cover to solve the problem that the existing trimming die generally adopts one cavity and one die, so that the trimming of the edge material and the head material actually requires two sets of dies and two hydraulic presses to complete, which increases the processing cost and reduces the production efficiency.

[0006] To achieve the above object, the utility model provides the following technical solution: a trimming and head cutting die for a heat shield, comprising a bottom plate, a heat shield body and a top plate installed above the bottom plate, wherein a mounting port is fixedly connected to the middle of the top of the top plate;

[0007] The top of the bottom plate is fixedly connected with guide columns around the periphery, and the bottom of the top plate is fixedly connected with a limiting ring;

[0008] Also includes:

[0009] A trimming die is fixedly connected to one side of the top of the bottom plate, a trimming die is fixedly connected to the other side of the top of the bottom plate, and a fixing plate is fixedly connected to one side of the bottom of the top plate;

[0010] The interior of the fixed plate is slidably connected with a slide rod, and one end of the slide rod away from the fixed plate is fixedly connected with a left pressing plate;

[0011] Wherein, a trimming knife is fixedly installed at the bottom of the top plate, and the trimming knife is located on one side of the fixed plate, and a head trimming knife is fixedly connected to the other side of the bottom of the top plate.

[0012] Preferably, the bottom of the fixing plate is symmetrically provided with step grooves, the sliding rod is located inside the step groove, the sliding rod is slidably connected to the step groove, and a compression spring is sleeved on the outer side of the sliding rod.

[0013] Preferably, the top end of the slide rod is fixedly connected to a limiting block, the size of the limiting block is larger than the slide rod, the top of the compression spring is fixedly connected to the bottom of the fixed plate, and the bottom of the compression spring is fixedly connected to the top of the left compression plate.

[0014] Preferably, a positioning block is fixedly connected to one side of the top of the cutting head mold, the positioning block is matched with the end of the heat insulation cover body, and a right pressing plate is fixedly connected to the bottom of the top plate.

[0015] Preferably, the right pressing plate is located directly above the cutting head mold, the cutting knife is located on one side of the right pressing plate, and an adapting groove is provided at the bottom of the cutting knife, and the adapting groove fits with the positioning block.

[0016] Preferably, a guide hole is opened inside the top plate, and the guide holes are symmetrically opened around the inside of the top plate. The guide hole is connected to the inside of the limiting ring, the position of the guide hole corresponds to that of the guide column, the guide column is slidably connected to the limiting ring, and the guide column is slidably connected to the guide hole.

[0017] Preferably, auxiliary blocks are arranged between the bottom plate and the top plate, one group of the auxiliary blocks is located on both sides of the top of the bottom plate, and the other group of the auxiliary blocks is located on both sides of the bottom of the top plate, and the auxiliary blocks are arranged symmetrically up and down.

[0018] Compared with the prior art, the utility model has the following beneficial effects: by setting a trimming mold, a cutting head mold, a fixing plate, a sliding rod, a left pressing plate, a trimming knife, a positioning block and a cutting head knife, the mold adopts one mold with two cavities, the trimming mold is used for trimming the residual material of the trimming part, and the cutting head mold is used for cutting the residual material of the head part, and only one set of molds and one hydraulic press are needed to complete the trimming and cutting processing, which simplifies the trimming operation process, improves the efficiency of production and processing, reduces the production cost, and makes the device more convenient to use. The specific contents are as follows:

[0019] 1. By setting the trimming mold, the cutting head mold, the fixing plate, the sliding rod, the left pressing plate, the trimming knife, the positioning block and the cutting head knife, during the trimming process, the heat shield body is placed on the top of the trimming mold and the cutting head mold, and the top plate is driven down by the hydraulic press. The left pressing plate is used to press the heat shield body on the trimming mold, and then the trimming knife cooperates with the trimming mold to trim the heat shield body. The right pressing plate is used to press the heat shield body on the cutting head mold, and then the cutting knife cooperates with the positioning block to cut the heat shield body. Head operation, this mold adopts one mold and two cavities. The trimming mold is used for trimming the excess material of the edge part, and the head part mold is used for cutting the excess material of the head part. Only one set of molds and one hydraulic press are needed to complete the trimming and head cutting processing, which simplifies the trimming operation process, improves the efficiency of production and processing, reduces the production cost, and makes the device easier to use. It solves the problem that the existing trimming mold generally adopts one cavity and one mold, so that the cutting of edge material and head material actually requires two sets of molds and two hydraulic presses, which increases the processing cost and reduces the production efficiency.

[0020] 2. A guide column, a limit ring and a guide hole are provided. When the top plate is pressed down, the guide column is inserted into the inside of the limit ring and the guide hole, which can play a guiding role and reduce the deviation when the top plate is pressed down, thereby improving the accuracy of subsequent edge cutting and head cutting, improving the qualified rate of isolation cover body processing, and reducing the occurrence of defective products. A clamping spring is provided, which can drive the left clamping plate to be pressed down by the elastic force of the clamping spring when the fixed plate is pressed down, so as to further clamp the heat insulation cover body. A plurality of auxiliary blocks are symmetrically arranged. When the top auxiliary block fits with the bottom auxiliary block, the top plate can be blocked and limited to prevent the top plate from being pressed down too far and causing damage to the heat insulation cover body, thereby better protecting the heat insulation cover body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model in front section;

[0022] Figure 2 This is a schematic diagram of the trimming operation of the utility model;

[0023] Figure 3 For the utility model Figure 1 A schematic diagram of the enlarged structure of region A;

[0024] Figure 4 This is a schematic diagram of the overall structure of the utility model from a side view;

[0025] Figure 5 This is a schematic diagram of the overall structure of the utility model.

[0026] In the figure: 1. bottom plate; 2. top plate; 3. mounting opening; 4. guide column; 5. limiting ring; 6. guide hole; 7. trimming mold; 8. cutting head mold; 9. fixing plate; 10. step groove; 11. sliding rod; 12. limiting block; 13. left clamping plate; 14. clamping spring; 15. trimming knife; 16. positioning block; 17. heat shield body; 18. right clamping plate; 19. cutting knife; 20. adapter groove; 21. auxiliary block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The utility model provides a technical solution: a trimming and head cutting mold for a heat insulation cover, comprising a bottom plate 1, a heat insulation cover body 17 and a top plate 2 installed above the bottom plate 1, and a mounting port 3 is fixedly connected to the middle of the top of the top plate 2.

[0029] Guide columns 4 are fixedly connected to the top of the bottom plate 1, and a limiting ring 5 is fixedly connected to the bottom of the top plate 2. Guide holes 6 are opened inside the top plate 2. The guide holes 6 are symmetrically opened around the inside of the top plate 2. The guide holes 6 are connected to the inside of the limiting ring 5. The positions of the guide holes 6 and the guide columns 4 correspond. The guide columns 4 are slidably connected to the limiting ring 5, and the guide columns 4 are slidably connected to the guide holes 6.

[0030] A guide column 4, a limit ring 5 and a guide hole 6 are provided. When the top plate 2 is pressed down, the guide column 4 is inserted into the inside of the limit ring 5 and the guide hole 6, which can play a guiding role and reduce the deviation of the top plate 2 when it is pressed down, thereby improving the accuracy of subsequent edge cutting and head cutting, improving the qualified rate of the isolation cover body processing, and reducing the occurrence of defective products.

[0031] A trimming die 7 is fixedly connected to one side of the top of the bottom plate 1, a cutting head die 8 is fixedly connected to the other side of the top of the bottom plate 1, a fixing plate 9 is fixedly connected to one side of the bottom of the top plate 2, and step grooves 10 are symmetrically provided at the bottom of the fixing plate 9.

[0032] Among them, the fixed plate 9 is internally slidably connected with a slide rod 11, the slide rod 11 is located inside the step groove 10, the slide rod 11 is slidably connected to the step groove 10, the top of the slide rod 11 is fixedly connected with a limiting block 12, the size of the limiting block 12 is larger than the slide rod 11, and the end of the slide rod 11 away from the fixed plate 9 is fixedly connected with a left clamping plate 13.

[0033] Among them, a compression spring 14 is sleeved on the outer side of the slide rod 11, the top of the compression spring 14 is fixedly connected to the bottom of the fixed plate 9, and the bottom of the compression spring 14 is fixedly connected to the top of the left compression plate 13. A compression spring 14 is provided, and when the fixed plate 9 is pressed down, the left compression plate 13 is pressed down by the elastic force of the compression spring 14, so as to further press the heat insulation cover body 17. A trimming knife 15 is fixedly installed at the bottom of the top plate 2, and the trimming knife 15 is located on one side of the fixed plate 9.

[0034] A positioning block 16 is fixedly connected to one side of the top of the cutting head mold 8 , and the positioning block 16 is matched with the end of the heat insulation cover body 17 . A right pressing plate 18 is fixedly connected to the bottom of the top plate 2 .

[0035] The right clamping plate 18 is located directly above the cutting head mold 8, and a cutting knife 19 is fixedly connected to the other side of the bottom of the top plate 2. The cutting knife 19 is located on one side of the right clamping plate 18, and an adapter groove 20 is provided at the bottom of the cutting knife 19, which fits with the positioning block 16.

[0036] During the trimming process, the heat shield body 17 is placed on the top of the trimming mold 7 and the cutting head mold 8, and the top plate 2 is pressed down by the hydraulic press. The left clamping plate 13 is used to clamp the heat shield body 17 on the trimming mold 7, and then the trimming knife 15 cooperates with the trimming mold 7 to perform trimming operations on the heat shield body 17. The right clamping plate 18 is used to clamp the heat shield body 17 on the cutting head mold 8.

[0037] The trimming tool 19 cooperates with the positioning block 16 to perform the trimming operation on the heat shield body 17. The mold adopts one mold with two cavities. The trimming mold 7 is used for trimming the residual material of the trimming part, and the head cutting mold 8 is used for trimming the residual material of the head part. Only one set of molds and one hydraulic press are needed to complete the trimming and head cutting processing, which simplifies the trimming operation process, improves the efficiency of production and processing, and reduces the production cost.

[0038] Auxiliary blocks 21 are arranged between the bottom plate 1 and the top plate 2. One group of auxiliary blocks 21 is located on both sides of the top of the bottom plate 1, and the other group of auxiliary blocks 21 is located on both sides of the bottom of the top plate 2. The auxiliary blocks 21 are symmetrically arranged up and down, and multiple auxiliary blocks 21 are symmetrically arranged. When the auxiliary blocks 21 at the top fit with the auxiliary blocks 21 at the bottom, they can block and limit the top plate 2 to prevent the top plate 2 from being pressed down too far and causing damage to the heat insulation cover body 17, thereby better protecting the heat insulation cover body 17.

[0039] Working principle:

[0040] Before using this heat shield trimming and head trimming mold, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5As shown, during the trimming process, the top plate 2 is installed on the hydraulic press through the mounting port 3, the heat insulation cover body 17 is placed on the top of the trimming mold 7 and the cutting head mold 8, the top plate 2 is pressed down by the hydraulic press, and the guide column 4 is inserted into the inside of the limit ring 5 and the guide hole 6, which can play a guiding role and reduce the deviation of the top plate 2 when it is pressed down, thereby improving the accuracy of subsequent trimming and head cutting, improving the qualified rate of the isolation cover body processing, and reducing the occurrence of defective products.

[0041] Next, the top plate 2 is pressed down to drive the fixed plate 9 to be pressed down. When the fixed plate 9 is pressed down, the elastic force of the clamping spring 14 drives the left clamping plate 13 to be pressed down, so as to further clamp the heat shield body 17. The left clamping plate 13 is used to clamp the heat shield body 17 on the trimming mold 7, and then the trimming knife 15 cooperates with the trimming mold 7 to perform a trimming operation on the heat shield body 17. The right clamping plate 18 is used to clamp the heat shield body 17 on the cutting head mold 8, and then the trimming knife 19 cooperates with the positioning block 16 to perform a head trimming operation on the heat shield body 17. After the cutting is completed, the top plate 2 is driven up by the hydraulic press, and then the placement position of the heat shield body 17 is adjusted to perform the trimming and head trimming operations on the other side.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A trimming and head cutting die for a heat shield, comprising a bottom plate (1), a heat shield body (17), and a top plate (2) mounted above the bottom plate (1), wherein a mounting opening (3) is fixedly connected to the middle of the top of the top plate (2); The top of the bottom plate (1) is fixedly connected with guide columns (4) all around, and the bottom of the top plate (2) is fixedly connected with a limiting ring (5); It is characterized in that Also includes: A trimming mold (7) is fixedly connected to one side of the top of the bottom plate (1), a trimming mold (8) is fixedly connected to the other side of the top of the bottom plate (1), and a fixing plate (9) is fixedly connected to one side of the bottom of the top plate (2); The interior of the fixed plate (9) is slidably connected to a slide rod (11), and one end of the slide rod (11) away from the fixed plate (9) is fixedly connected to a left pressing plate (13); A trimming knife (15) is fixedly installed at the bottom of the top plate (2), and the trimming knife (15) is located on one side of the fixed plate (9), and a head trimming knife (19) is fixedly connected to the other side of the bottom of the top plate (2).

2. The trimming and head cutting die for a heat shield according to claim 1, characterized in that: The bottom of the fixing plate (9) is symmetrically provided with a step groove (10), the sliding rod (11) is located inside the step groove (10), the sliding rod (11) is slidably connected to the step groove (10), and a compression spring (14) is sleeved on the outer side of the sliding rod (11).

3. A trimming and head cutting die for a heat shield according to claim 2, characterized in that: The top of the slide rod (11) is fixedly connected to a limit block (12), the size of the limit block (12) is larger than the slide rod (11), the top of the compression spring (14) is fixedly connected to the bottom of the fixed plate (9), and the bottom of the compression spring (14) is fixedly connected to the top of the left compression plate (13).

4. The trimming and head cutting die for a heat shield according to claim 1, characterized in that: A positioning block (16) is fixedly connected to one side of the top of the cutting head mold (8), and the positioning block (16) is adapted to the end of the heat insulation cover body (17). A right pressing plate (18) is fixedly connected to the bottom of the top plate (2).

5. The trimming and head cutting die for a heat shield according to claim 4, characterized in that: The right clamping plate (18) is located directly above the cutting head mold (8), and the cutting knife (19) is located on one side of the right clamping plate (18). An adapting groove (20) is provided at the bottom of the cutting knife (19), and the adapting groove (20) is fitted with the positioning block (16).

6. The trimming and head cutting die for a heat shield according to claim 1, characterized in that: The top plate (2) is provided with a guide hole (6), the guide holes (6) are symmetrically arranged around the top plate (2), the guide hole (6) is connected to the inside of the limiting ring (5), the position of the guide hole (6) corresponds to that of the guide column (4), the guide column (4) is slidably connected to the limiting ring (5), and the guide column (4) is slidably connected to the guide hole (6).

7. The trimming and head cutting die for a heat shield according to claim 1, characterized in that: Auxiliary blocks (21) are arranged between the bottom plate (1) and the top plate (2); one group of the auxiliary blocks (21) is located on both sides of the top of the bottom plate (1), and another group of the auxiliary blocks (21) is located on both sides of the bottom of the top plate (2); the auxiliary blocks (21) are arranged symmetrically up and down.

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