Punch forming device for left rear car door lock reinforcing plate

Abstract

The utility model discloses a left rear car door lock reinforcing plate punch forming device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a lower die, the upper end of the bottom plate is fixedly connected with a supporting rod, the top of the supporting rod is fixedly connected with a fixing plate, and the top of the fixing plate is fixedly connected with a hydraulic cylinder. The output end of the hydraulic cylinder is slidably connected with the fixing plate, the lower end of the output end of the hydraulic cylinder is fixedly connected with a connecting plate, and an upper die is fixedly installed at the lower end of the connecting plate. Through the design of the hydraulic cylinder, the output end of the hydraulic cylinder can drive the lower die to move to achieve stamping work on a workpiece, after the workpiece is stamped, the connecting plate can move upwards and reset, the connecting plate can drive the connecting strip to move, then the connecting rod can be driven by the sliding rod to move, the top plate can be jacked up, and therefore the workpiece can be stamped. And therefore, the formed workpiece can be ejected out of the lower mold, and the automatic demolding work of the formed workpiece can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping devices, in particular to a stamping forming device for a left rear vehicle door lock reinforcement plate. Background Art

[0002] The left rear door lock reinforcement plate is stamped and formed from sheet metal, creating a component used to reinforce the left rear door lock. This process is a common manufacturing process for structural reinforcements used in automotive parts production.

[0003] The utility model patent with patent authorization announcement number CN221064135U discloses a stamping die for automobile parts, including a base and a top seat, wherein the base is provided with a lower module, the upper side surface of the lower module is provided with a stamping groove, and the left and right sides of the lower module are relatively provided with demolding components for demolding the parts in the stamping groove; guide columns are provided between the base and the top seat and are located on the left and right sides of the lower module, a liftable upper module is provided above the lower module, the guide columns are arranged through the upper module, and a detachable stamping bump that cooperates with the stamping groove is provided on the lower side surface of the upper module, and an oil cylinder for driving the upper module to rise and fall is provided on the top seat.

[0004] In the above-mentioned prior art, during the use of the stamping and forming device, after the product is formed, manual operation is required to realize the demolding of the formed workpiece, which is inconvenient to operate and use. Moreover, after use, some debris and impurities generated by the stamping will remain inside the mold, which is inconvenient to clean and will affect the subsequent stamping effect. Therefore, improvement is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a left rear door lock reinforcement plate stamping forming device, which solves the problem of inconvenient manual demoulding and the problem of inconvenient cleaning of the inside of the mold after stamping.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a left rear door lock reinforcement plate stamping forming device, comprising a base plate, the top of the base plate is fixedly connected to a lower mold, the upper end of the base plate is fixedly connected to a support rod, the top of the support rod is fixedly connected to a fixed plate, the top of the fixed plate is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is slidably connected to the fixed plate, the lower end of the output end of the hydraulic cylinder is fixedly connected to a connecting plate, the lower end of the connecting plate is fixedly installed with an upper mold, the back of the base plate is fixedly connected to a support plate, the lower mold is provided with a demolding mechanism, and the base plate is provided with a dust removal mechanism.

[0007] Preferably, the number of the support rods is four, and the four support rods are evenly distributed on the top of the base plate. By designing the support rods, the fixed plate can be supported.

[0008] Preferably, the connecting plate is internally slidably sleeved with a guide rod, which is fixedly connected to the base plate. By designing the guide rod, the movement of the connecting plate can be guided.

[0009] Preferably, the demoulding mechanism includes a connecting bar, the lower end of the connecting plate is fixedly connected to two symmetrically distributed connecting bars, the connecting bars are slidably connected to the lower mold, the end of the connecting bar close to the lower mold is fixedly connected to a sliding rod, the sliding rod is slidably connected to the lower mold, the outer side of the sliding rod is slidably sleeved with a connecting rod, the connecting rod is slidably connected to the lower mold, the top of the connecting rod is fixedly connected to a top plate, the top plate is slidably connected to the lower mold, and the bottom of the connecting rod is fixedly connected to a counterweight. By designing the demoulding mechanism, the demoulding of the formed workpiece is facilitated.

[0010] Preferably, a through slot is provided inside the connecting rod, and a slide rod is slidably sleeved inside the through slot. By designing the through slot, the slide rod can slide along the connecting rod.

[0011] Preferably, the dust removal mechanism includes a fixed box, the top of the support plate is fixedly connected to the fixed box, an air pump is fixedly connected to the interior of the fixed box, a support block is fixedly connected to the inner side wall of the fixed box, the upper end of the support block contacts a filter screen, the filter screen is slidably connected to the fixed box, the upper end of the fixed box is rotatably connected to a rotating tube via a bearing, and the outer side of the rotating tube is fixedly connected to a flow guide cover. The design of the dust removal mechanism facilitates the removal of impurities from the interior of the lower mold.

[0012] Preferably, an exhaust port is fixedly connected to the outside of the air pump, and the exhaust port is fixedly connected to the fixed box. By designing the exhaust port, the gas inside the fixed box can be discharged through the exhaust port.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model designs the function of the hydraulic cylinder. The output end of the hydraulic cylinder can drive the lower die to move to realize the stamping of the workpiece. When the stamping of the workpiece is completed, the connecting plate can be moved up and reset. The connecting plate can drive the connecting bar to move, and then the connecting rod can be driven to move by the sliding rod, so that the top plate can be lifted up, and then the formed workpiece can be ejected from the lower die, which can realize the automatic demoulding of the formed workpiece.

[0015] 2. The utility model is designed with an air pump, which can suck the inside of the fixed box, forming a negative pressure state inside the fixed box, and then sucking the inside of the lower die through the air guide cover, so that the residual debris and impurities inside the fixed box can be sucked and collected, thereby completing the cleaning of the lower die and preventing the residual impurities inside the lower die from affecting the subsequent stamping work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0017] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0018] Figure 3 For this utility model Figure 2 A magnified view of point A;

[0019] Figure 4 The overall structure of the utility model is three-dimensional Figure 2 ;

[0020] Figure 5 For this utility model Figure 4 Front sectional view of the fixed box.

[0021] In the figure: 1. Base plate; 2. Lower mold; 3. Support rod; 4. Fixed plate; 5. Hydraulic cylinder; 6. Connecting plate; 7. Upper mold; 8. Demolding mechanism; 9. Dust removal mechanism; 10. Guide rod; 11. Support plate; 81. Connecting strip; 82. Sliding rod; 83. Connecting rod; 84. Through groove; 85. Top plate; 86. Counterweight; 91. Fixed box; 92. Air pump; 93. Exhaust port; 94. Support block; 95. Filter; 96. Rotating pipe; 97. Air deflector. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1 、 Figure 2 、 Figure 4, a left rear door lock reinforcement plate stamping forming device, includes a base plate 1, the top of the base plate 1 is fixedly connected to the lower mold 2, the upper end of the base plate 1 is fixedly connected to the support rod 3, the top of the support rod 3 is fixedly connected to the fixing plate 4, the number of support rods 3 is four, and the four support rods 3 are evenly distributed on the top of the base plate 1. By designing the support rod 3, the fixing plate 4 can be supported, and the top of the fixing plate 4 is fixedly connected to a hydraulic cylinder 5, the output end of the hydraulic cylinder 5 is slidably connected to the fixing plate 4, the lower end of the output end of the hydraulic cylinder 5 is fixedly connected to a connecting plate 6, and the lower end of the connecting plate 6 is fixedly installed with an upper mold 7, the inner sliding sleeve of the connecting plate 6 is connected to a guide rod 10, and the guide rod 10 is fixedly connected to the base plate 1. By designing the guide rod 10, the movement of the connecting plate 6 can be guided, and the back of the base plate 1 is fixedly connected to a support plate 11, a demoulding mechanism 8 is provided on the lower mold 2, and a dust removal mechanism 9 is provided on the base plate 1.

[0024] See also Figure 1 、 Figure 2 、 Figure 3 The demoulding mechanism 8 includes a connecting bar 81, and the lower end of the connecting plate 6 is fixedly connected to two symmetrically distributed connecting bars 81, the connecting bar 81 is slidably connected to the lower mold 2, and the end of the connecting bar 81 close to the lower mold 2 is fixedly connected to a slide bar 82, and the slide bar 82 is slidably connected to the lower mold 2. The outer side of the slide bar 82 is slidably sleeved with a connecting rod 83, and a through groove 84 is opened inside the connecting rod 83. The inside of the through groove 84 is slidably sleeved with the slide bar 82. By designing the through groove 84, the slide bar 82 can slide along the connecting rod 83, and the connecting rod 83 is slidably connected to the lower mold 2. The top of the connecting rod 83 is fixedly connected to a top plate 85, and the top plate 85 is slidably connected to the lower mold 2. The bottom of the connecting rod 83 is fixedly connected to a counterweight block 86. By designing the demoulding mechanism 8, the demoulding of the formed workpiece is facilitated.

[0025] See also Figure 1 、 Figure 4 、 Figure 5 The dust removal mechanism 9 includes a fixed box 91, the top of the support plate 11 is fixedly connected to the fixed box 91, the interior of the fixed box 91 is fixedly connected to an air pump 92, the outside of the air pump 92 is fixedly connected to an exhaust port 93, the exhaust port 93 is fixedly connected to the fixed box 91, and the exhaust port 93 is designed so that the internal gas of the fixed box 91 can be discharged through the exhaust port 93, the inner side wall of the fixed box 91 is fixedly connected to a support block 94, the upper end of the support block 94 is in contact with a filter screen 95, the filter screen 95 is slidably connected to the fixed box 91, the upper end of the fixed box 91 is rotatably connected to a rotating tube 96 through a bearing, and the outside of the rotating tube 96 is fixedly connected to a flow guide cover 97. By designing the dust removal mechanism 9, it is convenient to remove impurities inside the lower mold 2.

[0026] The specific implementation process of the utility model is as follows: when in use, the workpiece is first placed in the lower die 2, and then the hydraulic cylinder 5 is started. The output end of the hydraulic cylinder 5 drives the connecting plate 6 to move downward, and the connecting plate 6 moves downward along the guide rod 10. At the same time, the connecting plate 6 drives the upper die 7 to move downward. At the same time, the connecting plate 6 drives the connecting bar 81 to move downward, and the connecting bar 81 drives the slide bar 82 to move downward along the through groove 84 in the connecting rod 83. Finally, the workpiece can be stamped and formed through the contact between the upper die 7 and the workpiece.

[0027] When demoulding is required, the output end of the hydraulic cylinder 5 drives the connecting plate 6 to move up and reset, and at the same time, the connecting plate 6 drives the connecting strip 81 and the slide bar 82 to move up. After the slide bar 82 slides to the top of the through groove 84, it drives the connecting rod 83 to move up, and the connecting rod 83 drives the top plate 85 to move up, which can lift the top plate 85 and then push the formed workpiece out of the lower mold 2, thereby realizing automatic demoulding of the formed workpiece.

[0028] When the stamping is completed, the rotating tube 96 is rotated, and the rotating tube 96 rotates along the fixed box 91. At the same time, the rotating tube 96 drives the air guide cover 97 to rotate, so that the air guide cover 97 rotates to the top of the lower mold 2, and then the air pump 92 is started. The air pump 92 sucks the inside of the fixed box 91, which can form a negative pressure state inside the fixed box 91. Then, the interior of the lower mold 2 will be sucked through the rotating tube 96 and the air guide cover 97. The residual debris and impurities inside the lower mold 2 will be sucked into the interior of the fixed box 91 along with the air, and then the debris and impurities are filtered under the action of the filter 95. After passing through the filter 95, the air is finally discharged through the exhaust port 93, thereby completing the cleaning of the lower mold 2, and avoiding the residual impurities inside the lower mold 2 affecting the subsequent stamping work.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A left rear door lock reinforcement plate stamping and forming device, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a lower mold (2), the upper end of the base plate (1) is fixedly connected to a support rod (3), the top of the support rod (3) is fixedly connected to a fixed plate (4), the top of the fixed plate (4) is fixedly connected to a hydraulic cylinder (5), the output end of the hydraulic cylinder (5) is slidably connected to the fixed plate (4), the lower end of the output end of the hydraulic cylinder (5) is fixedly connected to a connecting plate (6), the lower end of the connecting plate (6) is fixedly mounted with an upper mold (7), the back of the base plate (1) is fixedly connected to a support plate (11), a demoulding mechanism (8) is provided on the lower mold (2), and a dust removal mechanism (9) is provided on the base plate (1).

2. The left rear door lock reinforcement plate stamping and forming device according to claim 1, characterized in that: The number of the support rods (3) is four, and the four support rods (3) are evenly distributed on the top of the bottom plate (1).

3. The left rear door lock reinforcement plate stamping and forming device according to claim 1, characterized in that: A guide rod (10) is slidably sleeved inside the connecting plate (6), and the guide rod (10) is fixedly connected to the bottom plate (1).

4. The left rear door lock reinforcement plate stamping and forming device according to claim 1, characterized in that: The demoulding mechanism (8) includes a connecting bar (81), the lower end of the connecting plate (6) is fixedly connected to two symmetrically distributed connecting bars (81), the connecting bars (81) are slidably connected to the lower mold (2), the end of the connecting bar (81) close to the lower mold (2) is fixedly connected to a sliding rod (82), the sliding rod (82) is slidably connected to the lower mold (2), the outer side of the sliding rod (82) is slidably sleeved with a connecting rod (83), the connecting rod (83) is slidably connected to the lower mold (2), the top of the connecting rod (83) is fixedly connected to a top plate (85), the top plate (85) is slidably connected to the lower mold (2), and the bottom of the connecting rod (83) is fixedly connected to a counterweight block (86).

5. The left rear door lock reinforcement plate stamping and forming device according to claim 4, characterized in that: A through slot (84) is provided inside the connecting rod (83), and a sliding rod (82) is slidably sleeved inside the through slot (84).

6. The left rear door lock reinforcement plate stamping and forming device according to claim 1, characterized in that: The dust removal mechanism (9) comprises a fixed box (91), the top of the support plate (11) is fixedly connected to the fixed box (91), the interior of the fixed box (91) is fixedly connected to an air pump (92), the inner side wall of the fixed box (91) is fixedly connected to a support block (94), the upper end of the support block (94) contacts a filter screen (95), the filter screen (95) is slidably connected to the fixed box (91), the upper end of the fixed box (91) is rotatably connected to a rotating tube (96) via a bearing, and the outer side of the rotating tube (96) is fixedly connected to a flow guide cover (97).

7. The left rear door lock reinforcement plate stamping and forming device according to claim 6, characterized in that: An exhaust port (93) is fixedly connected to the outside of the air pump (92), and the exhaust port (93) is fixedly connected to the fixed box (91).

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