Punching machine

Abstract

The utility model discloses a punching machine, which relates to the technical field of punching machines, and comprises a punching machine main body, the top end of the inner wall of the punching machine main body is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a lower pressing plate, the bottom surface of the lower pressing plate is fixedly connected with a detachable upper die, the bottom surface of the upper die is provided with a lower pressing groove, and the lower pressing groove is fixedly connected with the lower pressing plate. And an electromagnet I is fixedly connected to the inner wall of the lower pressing groove. The first electromagnet is fixedly installed in the groove in the bottom face of the lower pressing plate of the punching machine, the second electromagnet is fixedly connected into the containing groove in the top face of the bearing plate, the magnetic force of the first electromagnet is larger than that of the second electromagnet, and after raw materials on the top face of the second magnet are punched, the first magnet can attract the raw materials; and therefore, the back face of the raw material is exposed, a mechanical arm can conveniently grab and rotate, and the rotated mechanical arm can conveniently turn over the raw material and then place the raw material.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a punching machine. Background Art

[0002] In the manufacturing of automotive vacuum pump brackets, a stamping machine is usually required. During stamping, the raw material is usually placed on the lower template, and the upper template is pressed down to plasticize, punch or stretch the raw material on the lower template. However, after the stamping is completed, the burr direction is downward, and the next bending process requires the burr direction to be upward to comply with the manufacturing process. At the same time, the product after stamping is usually grasped and rotated by a robot. At this time, although the burr of the product is upward, the robot cannot place the product because it is facing upward. Therefore, a stamping machine is urgently needed to solve the existing problem. Utility Model Content

[0003] The purpose of the present utility model is to provide a stamping machine to solve the problem raised in the above-mentioned background technology that the burr direction is downward after the stamping is completed, and since the next bending process requires the burr direction to be upward to comply with the manufacturing process, at the same time, the product after stamping is usually grasped and rotated by a robot. At this time, although the burr direction of the product is upward, the robot cannot place the product because the robot is facing upward.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a punching machine, comprising a punching machine body, the top of the inner wall of the punching machine body is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a lower pressure plate, the bottom surface of the lower pressure plate is fixedly connected to a detachable upper mold, the bottom surface of the lower pressure plate is provided with a groove, the inner wall of the groove is fixedly connected to an electromagnet 1, the inner wall of the punching machine body is fixedly connected to a fixed plate, a lower mold corresponding to the upper mold is provided in the inner cavity of the fixed plate, a supporting plate is connected to the bottom of the lower mold by bolts, the inner wall of the supporting plate is provided with a holding groove, a detachable electromagnet 2 is provided inside the holding groove, and the magnetic force of the electromagnet 2 is smaller than the magnetic force of the electromagnet 1.

[0005] Preferably, fixing bolts are provided at the four corners of the top surface of the lower pressing plate, and the bottom ends of the fixing bolts are threadedly connected to the upper mold.

[0006] Preferably, a group of symmetrical jacks are provided on the inner wall of the containing tank, and retractable rods are provided in the through holes at both ends of the electromagnet 2. The top of the rod is conical, and the size of the rod body is larger than the diameter of the jack.

[0007] Preferably, a threaded rotating rod is provided at the bottom end of the second electromagnet, and the top end of the threaded rotating rod passes through the bottom surface of the lower mold and is threadedly connected to the bottom surface of the second electromagnet.

[0008] Preferably, a through slot is provided inside the second electromagnet, a limit plate is fixedly connected to the middle of the inner wall of the through slot, springs are fixedly connected to both sides of the limit plate, and opposite ends of the two springs are fixedly connected to opposite ends of the insertion rod respectively.

[0009] Preferably, the bottom end of the inner wall of the punch body is fixedly connected to a guide plate, the top surface of the guide plate is fixedly connected to a support plate, the top end of the support plate is fixedly connected to the bottom surface of the bearing plate, three guide grooves are provided on the top surface of the guide plate, the top surface of the guide plate is fixedly connected to a support rod, the top end of the support rod is inserted into the circular hole on the bottom surface of the fixed plate, and the top surface of the guide plate is fixedly connected to an inclined block.

[0010] The technical effects and advantages of the utility model are as follows: the utility model fixes an electromagnet 1 in the groove on the bottom surface of the lower pressure plate of the punching machine, and fixes an electromagnet 2 in the receiving groove on the top surface of the supporting plate, and the magnetic force of the electromagnet 1 is greater than the magnetic force of the electromagnet 2. When the raw material on the top surface of the magnet 2 is stamped, the magnet 1 can adsorb the raw material, thereby exposing the back side of the raw material, making it convenient for the robot to grab and rotate, and the robot can flip the raw material over and place it after rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0012] Figure 2 This is a schematic diagram of the lower template structure of the present utility model.

[0013] Figure 3 This is a schematic diagram of the second structure of the electromagnet of the present utility model.

[0014] Figure 4 This is a schematic diagram of the upper template structure of the present utility model.

[0015] Figure 5 This is a schematic diagram of the cross-sectional structure of the electromagnet of the present invention.

[0016] Figure 6 This is a schematic structural diagram of the lower template portion of the present utility model.

[0017] In the figure: 1. Punch machine body; 2. Cylinder; 3. Lower pressure plate; 31. Electromagnet 1; 32. Groove; 4. Upper die; 41. Fixing bolt; 5. Fixing plate; 6. Lower die; 61. Receiving slot; 62. Insertion hole; 63. Support plate; 64. Loading plate; 8. Electromagnet 2; 81. Insert rod; 83. Threaded rotating rod; 84. Through slot; 85. Limit plate; 86. Spring; 9. Guide plate; 91. Guide slot; 92. Bevel block. DETAILED DESCRIPTION

[0018] 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.

[0019] The utility model provides Figure 1-5 The punching machine shown includes a punching machine body 1, a cylinder 2 is fixedly connected to the top of the inner wall of the punching machine body 1, a lower pressing plate 3 is fixedly connected to the output end of the cylinder 2, a detachable upper mold 4 is fixedly connected to the bottom surface of the lower pressing plate 3, a groove 32 is provided on the bottom surface of the lower pressing plate 3, an electromagnet 31 is fixedly connected to the inner wall of the groove 32, a fixing plate 5 is fixedly connected to the inner wall of the punching machine body 1, a lower mold 6 corresponding to the upper mold 4 is provided in the inner cavity of the fixing plate 5, a bearing plate 64 is connected to the bottom of the lower mold 6 by bolts, a receiving groove 61 is provided on the inner wall of the bearing plate 64, a detachable electromagnet 8 is provided inside the receiving groove 61, and the magnetic force of the electromagnet 8 is smaller than the magnetic force of the electromagnet 31;

[0020] The output end of the cylinder 2 drives the lower pressure plate 3 to move downward, and then the lower pressure plate 3 drives the upper mold 4 to move downward, thereby squeezing the raw material on the surface of the lower mold 6. After extrusion, the cylinder 2 retracts and drives the upper mold 4 to move upward. At this time, the raw material after stamping is driven upward by the magnetic force of the electromagnet 31, making it easier for the robot to grab the back of the raw material.

[0021] like Figure 1 As shown, fixing bolts 41 are provided at the four corners of the top surface of the lower pressing plate 3 , and the bottom ends of the fixing bolts 41 are threadedly connected to the upper mold 4 , so that the upper mold 4 can be easily replaced through the fixing bolts 41 .

[0022] like Figure 1 As shown, the bottom end of the inner wall of the punching machine body 1 is fixedly connected with a guide plate 9, the top surface of the guide plate 9 is fixedly connected with a support plate 63, the top end of the support plate 63 is fixedly connected to the bottom surface of the bearing plate 64, and three guide grooves 91 are provided on the top surface of the guide plate 9. The top surface of the guide plate 9 is fixedly connected with a support rod, and the top end of the support rod is inserted into the circular hole on the bottom surface of the fixed plate 5. The top surface of the guide plate 9 is fixedly connected with an inclined block 92. The guide plate 9 is arranged below the lower mold 6, so that the waste chips generated by the raw material after stamping can easily flow to the collection point through the guide groove 91, which is convenient for collecting the waste chips.

[0023] like Figure 2As shown, a group of symmetrical insertion holes 62 are opened on the inner wall of the containing groove 61, and a retractable insertion rod 81 is provided in the through holes at both ends of the electromagnet 8. The top of the insertion rod 81 is conical, and the size of the rod body of the insertion rod 81 is larger than the diameter of the hole 62.

[0024] like Figure 2 and Figure 3 As shown, a threaded turning rod 83 is provided at the bottom end of the electromagnet 2 8, and the top end of the threaded turning rod 83 passes through the bottom surface of the lower mold 6 and is threadedly connected to the bottom surface of the electromagnet 2 8. The threaded turning rod 83 can be rotated to conveniently separate the electromagnet 2 8 from the threaded turning rod 83, thereby facilitating the removal and replacement of the electromagnet 2 8.

[0025] like Figure 5 As shown, a through slot 84 is provided inside the electromagnet 2 8, and a limit plate 85 is fixedly connected to the middle of the inner wall of the through slot 84. Springs 86 are fixedly connected to both sides of the limit plate 85. The opposite ends of the two springs 86 are respectively fixedly connected to the opposite ends of the insertion rod 81. The springs 86 are fixedly connected to the insertion rod 81 to facilitate the extension and retraction of the insertion rod 81.

[0026] The working principle of the present invention is as follows: when in use, the product is first placed on the top surface of the lower mold 6 by the robot arm, and the raw material is adsorbed by the electromagnet 2 8 to prevent the raw material from falling. At this time, the cylinder 2 is started and the lower pressure plate 3 is pressed down by the output end of the cylinder 2, and the upper mold 4 is driven to move downward by the downward pressure of the lower pressure plate 3, and then the raw material on the surface of the lower mold 6 is stamped and plasticized by the downward pressure of the upper mold 4. Then the output end of the cylinder 2 retracts, and the lower pressure plate 3 drives the upper mold 4 to move upward, and then the electromagnet 1 31 adsorbs the raw material after stamping, and drives the raw material to move upward, so that the robot arm can easily grab the back of the raw material.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A punching machine, comprising a punching machine body (1), characterized in that: The top of the inner wall of the punching machine body (1) is fixedly connected to a cylinder (2), the output end of the cylinder (2) is fixedly connected to a lower pressure plate (3), the bottom surface of the lower pressure plate (3) is fixedly connected to a detachable upper mold (4), the bottom surface of the lower pressure plate (3) is provided with a groove (32), the inner wall of the groove (32) is fixedly connected to an electromagnet (31), the inner wall of the punching machine body (1) is fixedly connected to a fixing plate (5), the inner cavity of the fixing plate (5) is provided with a lower mold (6) corresponding to the upper mold (4), the lower part of the lower mold (6) is connected to a supporting plate (64) by bolts, the inner wall of the supporting plate (64) is provided with a containing groove (61), the interior of the containing groove (61) is provided with a detachable electromagnet (8), the magnetic force of the electromagnet (8) is smaller than the magnetic force of the electromagnet (31).

2. A punching machine according to claim 1, characterized in that: The four corners of the top surface of the lower pressing plate (3) are each provided with fixing bolts (41), and the bottom ends of the fixing bolts (41) are threadedly connected to the upper mold (4).

3. A punching machine according to claim 1, characterized in that: The inner wall of the containing groove (61) is provided with a group of symmetrical insertion holes (62), and the through holes at both ends of the second electromagnet (8) are provided with retractable insertion rods (81), the top end of the insertion rod (81) is conical, and the size of the rod body of the insertion rod (81) is larger than the size of the aperture of the insertion hole (62).

4. A punching machine according to claim 1, characterized in that: The bottom end of the second electromagnet (8) is provided with a threaded rotating rod (83), and the top end of the threaded rotating rod (83) passes through the bottom surface of the lower mold (6) and is threadedly connected to the bottom surface of the second electromagnet (8).

5. A punching machine according to claim 3, characterized in that: A through slot (84) is provided inside the second electromagnet (8), and a limit plate (85) is fixedly connected to the middle of the inner wall of the through slot (84). Both sides of the limit plate (85) are fixedly connected to springs (86), and opposite ends of the two springs (86) are fixedly connected to opposite ends of the insertion rod (81).

6. A punching machine according to claim 1, characterized in that: The bottom end of the inner wall of the punching machine body (1) is fixedly connected to a guide plate (9), the top surface of the guide plate (9) is fixedly connected to a support plate (63), the top end of the support plate (63) is fixedly connected to the bottom surface of the bearing plate (64), the top surface of the guide plate (9) is provided with three guide grooves (91), the top surface of the guide plate (9) is fixedly connected to a support rod, the top end of the support rod is inserted into the circular hole on the bottom surface of the fixed plate (5), and the top surface of the guide plate (9) is fixedly connected to an inclined block (92).

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