Heat shield flanging device

Abstract

The utility model relates to the technical field of heat shield machining, in particular to a heat shield flanging device which comprises a workbench, a support is installed at one end of the top of the workbench, a first through groove is formed in the middle of the bottom of a lower stamping flanging die, and a second through groove communicated with the first through groove is formed in the workbench. A spring is arranged in the middle of the position between the two ejection plates, discs are installed at the two ends of the spring, and the ejection plates are provided with replacement mechanisms facilitating replacement of the spring. Through the arrangement of the first through groove, the second through groove and the replacement mechanism, when a spring is damaged, the two ejector plates can be taken out downwards from the first through groove and the second through groove, namely, the spring can be taken out from a mold, then the positive and negative tooth lead screw is screwed, the two screw blocks are made to be away from each other, and an insertion hole in the arc-shaped clamping plate is driven to leave an insertion groove; therefore, fixation of the disc and the ejector plate can be canceled, a worker can take out the spring and the disc for replacement, and the problem that the spring is not easy to replace in the mold is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat insulation cover processing, in particular to a heat insulation cover flanging device. Background Art

[0002] The exhaust pipe heat shield is generally made of two curved plates. To facilitate the installation of the two curved plates, flanges are usually made on both sides of the curved plates during stamping. The purpose of the flanges is to open screw holes at the flanges for easy installation by bolts.

[0003] After the stamping and flanging is completed, in order to facilitate the removal of the workpiece, in the prior art, a groove is generally opened on the inner wall at the bottom of the lower stamping and flanging die, a spring is installed in the groove, and an ejector plate is installed on the top of the spring. During stamping, the workpiece squeezes the ejector plate into the groove and squeezes the spring. After the stamping and flanging, the upper stamping and flanging die leaves the lower stamping and flanging die, and the restoring force of the spring is used to make the workpiece rise a certain distance, which makes it convenient for the staff to take the workpiece.

[0004] However, the spring is prone to damage after long-term use, and the spring is fixed in the groove, and the spring is fixedly connected to the ejection plate, which makes the replacement of the spring more troublesome and inconvenient.

[0005] Therefore, the utility model designs a heat insulation cover flanging device to solve the problems existing in the prior art. Utility Model Content

[0006] The purpose of the utility model is to provide a heat insulation cover flanging device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat insulation cover flanging device comprises: a workbench, a bracket is installed at one end of the top of the workbench, a hydraulic cylinder is installed on the top of the bracket, the output end of the hydraulic cylinder is connected to a connecting plate, an upper stamping flanging mold is installed at the bottom of the connecting plate, a lower stamping flanging mold fixedly installed with the workbench is provided directly below the upper stamping flanging mold, a through slot 1 is provided in the middle of the bottom of the lower stamping flanging mold, a through slot 2 connected to the through slot 1 is provided on the workbench, ejection plates are provided in the through slot 1 and the through slot 2, a spring is provided in the middle between the two ejection plates, discs are installed at both ends of the spring, and a replacement mechanism for facilitating the replacement of the spring is provided on the ejection plate, through the through slot 1 and the through slot 2, it is convenient for the staff to take out the spring from the through slot 1 and the through slot 2 downward, which solves the problem that the spring is inconvenient to replace in the mold, and then through the replacement mechanism, the spring can be conveniently disassembled and assembled, thereby improving the replacement efficiency.

[0008] Preferably, the replacement mechanism includes two grooves, which are respectively arranged on both sides of the ejection plate near one end of the spring, and a positive and negative screw rod is rotatably installed in the ejection plate, and both sides of the positive and negative screw rod respectively pass through the two grooves, and both side outer walls of the positive and negative screw rods are slidably installed with screw blocks through threads, and an arc-shaped clamping plate is installed on the side of the screw block near the spring, and the positive and negative screw rods are twisted to make the two screw blocks approach each other and the arc-shaped clamping plates approach each other, so that the two sides of the disc can be clamped and fixed, thereby fixing the spring, and the positive and negative screw rods are rotated in the opposite direction to make the two screw blocks move away from each other, so that the fixation of the disc and the spring can be cancelled, thereby facilitating the disassembly and assembly of the spring and the disc.

[0009] Preferably, a plurality of jacks are installed on one side of the arc-shaped clamping plate close to the spring, and a slot for sliding connection of the jacks is provided on the disc, and the jacks are inserted into the slots, which can improve the clamping effect of the arc-shaped clamping plate on the disc.

[0010] Preferably, the ejection plate is provided with a positioning circular groove at one end close to the disc, and the disc is stuck in the positioning circular groove, which can position the spring and facilitate the insertion of the jack into the slot.

[0011] Preferably, a circular hole is opened on one side of the ejection plate, one side of the forward and reverse screw rod passes through the circular hole and is installed with a knob, so that the staff can conveniently rotate the forward and reverse screw rod with their fingers through the circular hole and the knob.

[0012] Preferably, both ends of the two ejector plates are connected by a telescopic rod, and the telescopic rod limits the upper ejector plate to prevent it from deflecting during the telescopic process.

[0013] Preferably, a mounting plate is installed at the bottom of the ejection plate below, a mounting groove is provided at the bottom of the workbench to be clamped with the mounting plate, four threaded holes are provided at the bottom of the workbench, and the four threaded holes are respectively located around the mounting groove, and bolts are provided at the four corners of the mounting plate. The bolts are screwed into the threaded holes to fix the mounting plate in the mounting groove, thereby fixing the ejection plate below.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model provides through the arrangement of the through slot one, the through slot two and the replacement mechanism, when the spring is damaged, the two ejector plates can be taken out downward from the through slot one and the through slot two, and the spring can be taken out from the mold, and then the positive and negative threaded screws are twisted to make the two screw blocks move away from each other, driving the jacks on the arc-shaped clamping plate to leave the slots, and the fixation of the disc and the ejector plate can be cancelled, and the staff can take out the spring and the disc for replacement, thus solving the problem that the spring is not easy to replace in the mold, and conveniently disassembling the spring and the ejector plate, and conveniently replacing the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a main schematic diagram of the utility model;

[0017] Figure 2 It is a bottom view schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the replacement mechanism structure of the utility model;

[0019] Figure 4 For the utility model Figure 3 A schematic diagram of the structure at A;

[0020] Figure 5 It is a schematic diagram of the structure of the heat insulation cover of the utility model.

[0021] In the figure: 1. workbench; 2. bracket; 3. hydraulic cylinder; 4. connecting plate; 5. upper stamping and flanging die; 6. lower stamping and flanging die; 7. through slot one; 8. through slot two; 9. ejector plate; 10. spring; 11. disc; 12. replacement mechanism; 13. telescopic rod; 14. mounting plate; 15. mounting slot; 16. threaded hole; 17. bolt; 121. groove; 122. positive and negative thread screw; 123. screw block; 124. arc clamp; 125. jack; 126. slot; 127. positioning circular groove; 128. round hole; 129. knob. DETAILED DESCRIPTION

[0022] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] See also Figure 1-5 The utility model provides an embodiment: a heat insulation cover flanging device, comprising: a workbench 1, a bracket 2 is installed at one end of the top of the workbench 1, a hydraulic cylinder 3 is installed on the top of the bracket 2, a connecting plate 4 is connected to the output end of the hydraulic cylinder 3, an upper stamping flanging die 5 is installed at the bottom of the connecting plate 4, and a lower stamping flanging die 6 fixedly installed with the workbench 1 is provided directly below the upper stamping flanging die 5, a through groove 1 7 is provided in the middle of the bottom of the lower stamping flanging die 6, a through groove 2 8 connected with the through groove 1 7 is provided on the workbench 1, and ejector plates 9 are provided in the through groove 1 7 and the through groove 2 8, a spring 10 is provided in the middle between the two ejector plates 9, and discs 11 are installed at both ends of the spring 10, and a replacement mechanism 12 for facilitating the replacement of the springs 10 and 11 is provided on the ejector plate 9, and the top of the upper ejector plate 9 is an arc surface, which has the same arc as the lower stamping flanging die 6.

[0024] See also Figure 4 In this embodiment: the replacement mechanism 12 includes two grooves 121, and the two grooves 121 are respectively opened on both sides of the ejection plate 9 close to one end of the spring 10, and a positive and negative threaded screw 122 is rotatably installed in the ejection plate 9, and the two sides of the positive and negative threaded screw 122 respectively pass through the two grooves 121, and the outer walls on both sides of the positive and negative threaded screw 122 are both installed with a thread block 123 through threaded sliding, and an arc-shaped clamping plate 124 is installed on the side of the thread block 123 close to the spring 10.

[0025] See also Figure 4 In this embodiment: a plurality of insertion holes 125 are installed on one side of the arc-shaped clamping plate 124 close to the spring 10, and a slot 126 is provided on the disk 11 to which the insertion holes 125 are slidably connected.

[0026] See also Figure 4 In this embodiment, one end of the ejection plate 9 close to the disc 11 is provided with a positioning circular groove 127 which is plugged into the disc 11 .

[0027] See also Figure 5 In this embodiment: a circular hole 128 is opened on one side of the ejection plate 9, and one side of the positive and negative threaded rod 122 passes through the circular hole 128 and is installed with a knob 129.

[0028] See also Figure 3 In this embodiment, both ends of the two ejection plates 9 are connected by a telescopic rod 13.

[0029] See also Figure 2-3 In this embodiment: a mounting plate 14 is installed at the bottom of the lower ejection plate 9, a mounting groove 15 is provided at the bottom of the workbench 1 to be clamped with the mounting plate 14, four threaded holes 16 are provided at the bottom of the workbench 1, and the four threaded holes 16 are respectively located around the mounting groove 15, and bolts 17 are provided at the four corners of the mounting plate 14.

[0030] Working principle: the workbench 1 is fixed to the ground by four supporting legs. After the plate body is placed in the lower stamping and flanging die 6, the hydraulic cylinder 3 drives the connecting plate 4 to descend so that the upper stamping and flanging die 5 enters the lower stamping and flanging die 6. The plate body descends and drives the upper ejector plate 9 to descend and squeeze the spring 10. The upper ejector plate 9 enters the through slot 1 7, and the plate body can be stamped into an arc and a flanging is formed. Then the hydraulic cylinder 3 drives the upper stamping and flanging die 5 to leave the lower stamping and flanging die 6. The restoring force of the spring 10 can make the upper ejector plate 9 pop up, so that the formed plate body automatically pops up, which is convenient for the staff to take away. When the spring 10 is damaged due to long-term use and needs to be replaced, the bolt 17 can be screwed to release the fixation of the bolt 17 and the threaded hole 16, and the two ejector plates 9 can be downwardly pulled out of the through slot 2 8 The spring 10 and the disc 11 can be removed and replaced, and the new disc 11 is inserted into the positioning circular groove 127, and then the knob 129 is rotated in the opposite direction to make the two arc-shaped clamping plates 124 approach each other, driving the jack 125 to enter the slot 126, so that the disc 11 can be fixed, thereby installing the spring 10 between the two ejector plates 9, and then sending the ejector plate 9 into the through groove 8, the mounting plate 14 is stuck in the mounting groove 15, and then the bolt 17 is screwed into the threaded hole 16 to fix the mounting plate 14. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0031] 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. Heat shield flanging device, including: A workbench (1), characterized in that: a bracket (2) is installed at one end of the top of the workbench (1), a hydraulic cylinder (3) is installed on the top of the bracket (2), the output end of the hydraulic cylinder (3) is connected to a connecting plate (4), an upper stamping and flanging die (5) is installed at the bottom of the connecting plate (4), and a lower stamping and flanging die (6) fixedly installed on the workbench (1) is provided directly below the upper stamping and flanging die (5), and the lower stamping and flanging die (6) A through slot (7) is provided in the middle of the bottom of the workbench (1); a through slot (8) communicating with the through slot (7) is provided on the workbench (1); ejection plates (9) are provided in the through slot (7) and the through slot (8); a spring (10) is provided in the middle between the two ejection plates (9); discs (11) are installed at both ends of the spring (10); and a replacement mechanism (12) is provided on the ejection plate (9) for facilitating the replacement of the springs (10) and (11).

2. The heat shield flanging device according to claim 1, characterized in that: The replacement mechanism (12) comprises two grooves (121), the two grooves (121) are respectively arranged on both sides of the ejection plate (9) close to one end of the spring (10), a positive and negative threaded rod (122) is rotatably installed in the ejection plate (9), the two sides of the positive and negative threaded rod (122) respectively penetrate the two grooves (121), the outer side walls of both sides of the positive and negative threaded rod (122) are both slidably installed with a thread block (123) through a thread, and an arc-shaped clamping plate (124) is installed on one side of the thread block (123) close to the spring (10).

3. The heat shield flanging device according to claim 2, characterized in that: A plurality of insertion holes (125) are installed on one side of the arc-shaped clamping plate (124) close to the spring (10), and a slot (126) is provided on the disc (11) to be slidably connected to the insertion holes (125).

4. The heat shield flanging device according to claim 2, characterized in that: One end of the ejection plate (9) close to the disc (11) is provided with a positioning circular groove (127) for plugging into the disc (11).

5. The heat shield flanging device according to claim 2, characterized in that: A circular hole (128) is provided on one side of the ejection plate (9), and one side of the positive and negative threaded rod (122) passes through the circular hole (128) and is provided with a knob (129).

6. The heat shield flanging device according to claim 1, characterized in that: Both ends of the two ejection plates (9) are connected via a telescopic rod (13).

7. The heat shield flanging device according to claim 1, characterized in that: A mounting plate (14) is installed at the bottom of the ejection plate (9) below, a mounting groove (15) is provided at the bottom of the workbench (1) to be clamped with the mounting plate (14), four threaded holes (16) are provided at the bottom of the workbench (1), and the four threaded holes (16) are respectively located around the mounting groove (15), and bolts (17) are provided at the four corners of the mounting plate (14).

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