Automatic demolding mold of punching machine tool

Abstract

The utility model discloses an automatic demoulding mould of a punching machine tool, which comprises a base, and a group of supporting legs are fixedly arranged at the left part and the right part of the lower end of the base respectively. According to the automatic demolding mold of the punching machine tool, the hydraulic cylinder is arranged, a plug pin is taken out from a reinforcing hole and a connecting hole firstly, a connecting cylinder is detached from a hydraulic rod, a punching frame is convenient to replace, when a mold in the punching frame needs to be taken out, a limiting pin is taken out from a limiting hole and a mounting hole firstly, and then the mold is taken out; two adjusting columns are controlled to move downwards, a push plate is driven by the two adjusting columns to move downwards, and a die in a stamping frame is conveniently taken out under pushing of the push plate; the mold frame and the electric push rod are arranged, the electric push rod drives the fixing plate to move upwards, under pushing of the fixing plate, the sliding block drives the connecting plate to move upwards, demolding of a mold in the mold frame can be achieved, and when the forming frame needs to be replaced, only the forming frame needs to be separated.

Description

Technical Field

[0001] The utility model relates to the technical field of demoulding dies for punching machines, in particular to an automatic demoulding die for punching machines. Background Art

[0002] A punch press is a stamping press. Stamping production is mainly for plates. Through molds, it can make blanking, punching, forming, drawing, trimming, fine blanking, shaping, riveting and extrusion parts, etc. It is widely used in various fields. For example, many accessories we use, such as switches and sockets, cups, cupboards, plates, computer cases, etc., can be produced by punching machines through molds.

[0003] The prior art (Announcement No.: CN219851807U) discloses an automatic demoulding die for a stamping machine tool, comprising a base, a fixed die plate for support is inserted on the top surface of the base, a movable die plate corresponding to the fixed die plate is arranged on the top of the base, and a holder for placing workpieces is installed between the fixed die plate and the movable die plate for lifting and lowering, a straight hole for storage is provided on the top surface of the base, and there are multiple groups of straight holes, a pillar for limiting the inner bottom surface of the straight hole is equipped with a pillar, and a T-tube slidably connected to the movable die plate is slidably installed on the outer periphery of the pillar, an external thread A for connection is provided on the outer periphery of the bottom end of the T-tube, and a ring seat threadedly connected to the external thread A is equipped on the bottom surface of the T-tube, and there are multiple groups of ring seats, and a spring A sleeved and connected to the T-tube is installed between the inner bottom surface of the straight hole and the holder. The beneficial effect of the utility model is that through the design of the T-tube, the support, the external thread A and the ring seat, it is convenient to pull the holder on which the workpiece is placed back when the movable platen and the fixed platen return to their original positions after stamping the workpiece, thereby realizing the function of automatic demoulding, and conveniently adjusting the pulling distance between the holder and the movable platen, and conveniently adjusting and controlling according to the needs during use, so as to improve the stability and practicality of the automatic demoulding mold of the impact machine tool.

[0004] The existing automatic demoulding mold of the stamping machine has the following disadvantages. The demoulding effect of the existing equipment on the processed mold is general, which makes the equipment have certain limitations. Therefore, we propose a new type of automatic demoulding mold for the stamping machine. Utility Model Content

[0005] The main purpose of the utility model is to provide an automatic demoulding die for a punching machine tool, which can effectively solve the problem that the die is inconvenient to demould.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] An automatic demoulding die for a stamping machine tool comprises a base, a group of supporting legs are fixedly installed on the left and right parts of the lower end of the base, the two groups of supporting legs are symmetrically distributed on the left and right sides and each group is provided with two, a supporting frame is fixedly installed on the rear part of the upper end of the base, a cross plate is fixedly installed on the upper end of the supporting frame, a hydraulic cylinder is fixedly installed on the middle part of the upper end of the cross plate, the output end of the hydraulic cylinder passes through the cross plate and is provided with a stamping frame, a mold frame is fixedly installed on the middle part of the upper end of the base, and electric push rods are fixedly installed on the left and right parts of the upper end of the base.

[0008] Preferably, the output end of the hydraulic cylinder passes through the cross plate and is movably connected to a hydraulic rod, a connecting hole is provided on the front side of the outer cylindrical surface of the hydraulic rod, a connecting tube is fixedly connected to the middle part of the upper end of the stamping frame, a reinforcement hole that passes through front and back is provided on the front side of the outer cylindrical surface of the connecting tube, and a plug is movably connected inside the reinforcement hole; when the stamping frame needs to be replaced, the latch is first taken out from the reinforcement hole and the connecting hole, and the connecting tube is removed from the hydraulic rod, so that the stamping frame is easy to replace; when the mold inside the stamping frame needs to be taken out, the limit pin is first taken out from the limit hole and the mounting hole, and the two adjusting columns are controlled to move downward, and the push plate is moved downward under the drive of the two adjusting columns, and the mold inside the stamping frame is easy to take out under the push of the push plate.

[0009] Preferably, the hydraulic rod is inserted and connected in the connecting tube, and the latch passes through the reinforcement hole and is movably inserted and connected in the connecting hole.

[0010] Preferably, the stamping frame and the two limit cylinders are movably connected with adjustment columns, the two adjustment columns pass through the limit cylinder and the stamping frame and are fixedly connected with a push plate, and a plurality of limit holes are opened on the front sides of the outer cylindrical surfaces of the two adjustment columns, and the limit pins are movably connected with the inside of the limit holes.

[0011] Preferably, the adjusting column is movably connected to the stamping frame and the limiting cylinder, the limiting pin passes through the mounting hole and is movably inserted and connected in the limiting hole, and the plurality of limiting holes are distributed at equal distances.

[0012] Preferably, a slide groove is provided on the left side and the right side inside the mold frame, and sliders are slidably connected in the two slide grooves, a connecting plate is fixedly connected between the two sliders, a forming frame is clamped on the upper end of the connecting plate, and a fixing plate is fixedly connected to the upper ends of the two electric push rods, and the fixing plate and the sliders are fixedly connected together. When the mold inside the mold frame needs to be demolded, the fixing plate is driven upward by the electric push rod, and under the push of the fixed plate, the slider drives the connecting plate to move upward, so that the mold inside the mold frame can be demolded, and when the forming frame needs to be replaced, the forming frame can be separated.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, by setting a hydraulic cylinder, the stamping frame is easy to replace, and the mold inside the stamping frame is easy to take out. When in use, when the stamping frame needs to be replaced, first take out the pin from the reinforcement hole and the connecting hole, and remove the connecting tube from the hydraulic rod, so that the stamping frame is easy to replace. When the mold inside the stamping frame needs to be taken out, first take out the limit pin from the limit hole and the mounting hole, and control the two adjustment columns to move downward, and under the drive of the two adjustment columns, the push plate moves downward, and under the push of the push plate, the mold inside the stamping frame is easy to take out;

[0015] 2. In the utility model, by providing a mold frame and an electric push rod, the mold inside the mold frame is easy to demould. When in use, when the mold inside the mold frame needs to be demoulded, the electric push rod drives the fixed plate to move upward, and under the push of the fixed plate, the slider drives the connecting plate to move upward, so that the mold inside the mold frame can be demoulded. When the molding frame needs to be replaced, the molding frame can be separated. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an automatic demoulding die for a punching machine tool of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of a hydraulic cylinder of an automatic demoulding die of a punching machine tool according to the utility model;

[0018] Figure 3 It is a schematic diagram of the overall structure of a push plate of an automatic demoulding die of a punching machine tool according to the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the overall structure of a mold frame of an automatic demoulding mold of a punching machine tool.

[0020] In the figure: 1. base; 2. supporting legs; 3. supporting frame; 4. cross plate; 5. hydraulic cylinder; 6. mold frame; 7. stamping frame; 8. electric push rod; 51. hydraulic rod; 52. connecting hole; 61. slide groove; 62. slider; 63. connecting plate; 64. forming frame; 71. limiting cylinder; 72. connecting cylinder; 73. latch; 74. reinforcement hole; 75. mounting hole; 76. adjusting column; 77. limiting hole; 78. limiting pin; 79. push plate; 81. fixing plate. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-4 As shown, an automatic demoulding mold for a stamping machine tool includes a base 1, a group of support legs 2 are fixedly installed on the left and right parts of the lower end of the base 1, the two groups of support legs 2 are symmetrically distributed and each group is provided with two, a support frame 3 is fixedly installed on the rear part of the upper end of the base 1, a cross plate 4 is fixedly installed on the upper end of the support frame 3, a hydraulic cylinder 5 is fixedly installed on the middle part of the upper end of the cross plate 4, the output end of the hydraulic cylinder 5 passes through the cross plate 4 and is provided with a stamping frame 7, a mold frame 6 is fixedly installed on the middle part of the upper end of the base 1, and electric push rods 8 are fixedly installed on the left and right parts of the upper end of the base 1.

[0025] The output end of the hydraulic cylinder 5 passes through the cross plate 4 and is movably connected with a hydraulic rod 51. A connecting hole 52 is provided on the front side of the outer cylinder of the hydraulic rod 51. A connecting tube 72 is fixedly connected to the middle part of the upper end of the stamping frame 7. A reinforcement hole 74 that passes through the front and back is provided on the front side of the outer cylinder of the connecting tube 72. A latch 73 is movably inserted and connected inside the reinforcement hole 74. The upper left and upper right parts of the stamping frame 7 are fixedly inserted and connected with the limiting tube 71. The front sides of the outer cylinders of the two limiting tubes 71 are provided with mounting holes 75 that pass through the front and back; the hydraulic rod 51 is inserted and connected in the connecting tube 72, and the latch 73 passes through the reinforcement hole 74 and is movably inserted and connected in the connecting hole 52; the stamping frame 7 and the two limiting tubes 71 are movably inserted and connected with adjusting columns 76. The two adjusting columns 76 pass through the limiting tube 71 and the stamping frame 7 and are fixedly connected with a push plate 79. A plurality of limiting holes 77 are provided on the front sides of the outer cylinders of the two adjusting columns 76. The limiting holes The limit pin 78 is movably inserted and connected inside 77; the adjusting column 76 is movably connected to the stamping frame 7 and the limit cylinder 71, the limit pin 78 passes through the mounting hole 75 and is movably inserted and connected in the limit hole 77, and the multiple limit holes 77 are distributed at equal distances; by arranging the hydraulic cylinder 5, the stamping frame 7 is easy to replace, and the mold inside the stamping frame 7 is easy to take out. During use, when the stamping frame 7 needs to be replaced, first the latch 73 is taken out from the reinforcement hole 74 and the connecting hole 52, and the connecting cylinder 72 is removed from the hydraulic rod 51, so that the stamping frame 7 is easy to replace. When the mold inside the stamping frame 7 needs to be taken out, first the limit pin 78 is taken out from the limit hole 77 and the mounting hole 75, and the two adjusting columns 76 are controlled to move downward, and under the drive of the two adjusting columns 76, the push plate 79 is moved downward, and under the push of the push plate 79, the mold inside the stamping frame 7 is easy to take out.

[0026] Slide grooves 61 are provided on the left and right sides of the mold frame 6, and sliders 62 are slidably connected in the two slide grooves 61. A connecting plate 63 is fixedly connected between the two sliders 62. A forming frame 64 is clamped on the upper end of the connecting plate 63. A fixing plate 81 is fixedly connected to the upper ends of the two electric push rods 8, and the fixing plate 81 and the sliders 62 are fixedly connected together. By setting the mold frame 6 and the electric push rods 8, the mold inside the mold frame 6 is easy to demould. During use, when the mold inside the mold frame 6 needs to be demoulded, the fixing plate 81 is driven upward by the electric push rod 8, and under the push of the fixing plate 81, the slider 62 drives the connecting plate 63 to move upward, so that the mold inside the mold frame 6 can be demoulded. When the forming frame 64 needs to be replaced, the forming frame 64 can be separated.

[0027] It should be noted that the utility model is an automatic demoulding mold for a stamping machine. By setting a hydraulic cylinder 5, the stamping frame 7 is easy to replace, and the mold inside the stamping frame 7 is easy to take out. When in use, when the stamping frame 7 needs to be replaced, first take out the latch 73 from the reinforcement hole 74 and the connecting hole 52, and remove the connecting tube 72 from the hydraulic rod 51, so that the stamping frame 7 is easy to replace. When the mold inside the stamping frame 7 needs to be taken out, first take out the limit pin 78 from the limit hole 77 and the mounting hole 75, and control the two adjustment columns 76 to move downward. , and driven by the two adjusting columns 76, the push plate 79 moves downward, and under the push of the push plate 79, the mold inside the stamping frame 7 is easy to take out; by setting the mold frame 6 and the electric push rod 8, the mold inside the mold frame 6 is easy to demould. When in use, when the mold inside the mold frame 6 needs to be demoulded, the electric push rod 8 drives the fixed plate 81 to move upward, and under the push of the fixed plate 81, the slider 62 drives the connecting plate 63 to move upward, so that the mold inside the mold frame 6 can be demoulded. When the forming frame 64 needs to be replaced, the forming frame 64 can be separated.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic demoulding die for a stamping machine tool, comprising a base (1), characterized in that: A group of support legs (2) are fixedly mounted on the left and right lower ends of the base (1), the two groups of support legs (2) are symmetrically distributed on the left and right sides, and each group is provided with two. A support frame (3) is fixedly mounted on the rear upper end of the base (1), a cross plate (4) is fixedly mounted on the upper end of the support frame (3), a hydraulic cylinder (5) is fixedly mounted on the middle upper end of the cross plate (4), the output end of the hydraulic cylinder (5) passes through the cross plate (4) and is provided with a punching frame (7), a mold frame (6) is fixedly mounted on the middle upper end of the base (1), and electric push rods (8) are fixedly mounted on the left and right upper ends of the base (1).

2. The automatic demoulding die for a stamping machine according to claim 1, characterized in that: The output end of the hydraulic cylinder (5) passes through the horizontal plate (4) and is movably connected to a hydraulic rod (51). A connecting hole (52) is provided on the front side of the outer cylindrical surface of the hydraulic rod (51). A connecting cylinder (72) is fixedly connected to the middle part of the upper end of the punching frame (7). A reinforcing hole (74) is provided on the front side of the outer cylindrical surface of the connecting cylinder (72) and is passed through front and back. A latch (73) is movably inserted and connected inside the reinforcing hole (74). The upper left and upper right parts of the punching frame (7) are both fixedly inserted and connected to the limiting cylinder (71). The outer cylindrical surfaces of the two limiting cylinders (71) are both provided with mounting holes (75) that pass through front and back.

3. The automatic demoulding die for a stamping machine according to claim 2, characterized in that: The hydraulic rod (51) is inserted and connected in the connecting tube (72), and the latch (73) passes through the reinforcement hole (74) and is movably inserted and connected in the connecting hole (52).

4. The automatic demoulding die for a stamping machine according to claim 3, characterized in that: The punching frame (7) and the two limiting cylinders (71) are both movably connected with adjustment columns (76), the two adjustment columns (76) pass through the limiting cylinder (71) and the punching frame (7) and are fixedly connected with a push plate (79), and a plurality of limiting holes (77) are provided on the front side of the outer cylindrical surface of the two adjustment columns (76), and the limiting pins (78) are movably connected with the limiting holes (77).

5. The automatic demoulding die for a stamping machine according to claim 4, characterized in that: The regulating column (76) is movably connected to the punching frame (7) and the limiting cylinder (71); the limiting pin (78) passes through the mounting hole (75) and is movably inserted into the limiting hole (77); and a plurality of the limiting holes (77) are distributed at equal distances.

6. The automatic demoulding die for a stamping machine according to claim 5, characterized in that: The mold frame (6) is provided with a sliding groove (61) on the left side and the right side thereof, and a slider (62) is slidably connected in the two sliding grooves (61). A connecting plate (63) is fixedly connected between the two sliders (62), and a forming frame (64) is clamped on the upper end of the connecting plate (63). The upper ends of the two electric push rods (8) are fixedly connected with a fixing plate (81), and the fixing plate (81) and the slider (62) are fixedly connected together.

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