Servo hydraulic stamping device

Abstract

The utility model discloses a servo hydraulic stamping device, which belongs to the technical field of hydraulic stamping devices and comprises a fixed base, support frames are fixedly connected to two ends of the top of the fixed base, hydraulic cylinders are connected to the tops of the support frames, and a worktable is connected to the center of the top of the fixed base. A placing groove is formed in the working table, moving rods are slidably connected to the two ends of the top of the working table, and connecting grooves are formed in the opposite faces of the two moving rods, so that through the arrangement of the fixed base, the working table, a second servo motor, a rotating rod, a connecting rod, the moving rods and a clamping plate, the clamping plate is driven to move through movement of the connecting rod; according to the stamping device, the effect of clamping and limiting objects placed on the workbench is achieved, the situation that inconvenience exists in the stamping process due to constant limiting and clamping is avoided, the stability of the objects in the stamping process is improved, and meanwhile the working efficiency of the stamping device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic punching devices, and more specifically to a servo hydraulic punching device. Background Art

[0002] A hydraulic press is a machine that uses liquid static pressure and liquid as the working medium, and is made according to Pascal's principle to transfer energy to process metal, plastic, rubber, wood, powder and other products. A hydraulic press is generally composed of three parts: the machine (host), the power system and the hydraulic control system. Hydraulic presses are classified into valve hydraulic presses, liquid hydraulic presses and engineering hydraulic presses.

[0003] Chinese patent authorization announcement number: CN216443118U, provides a servo hydraulic press. This patent connects a pressing mechanism matched with the mold base through a pressure rod, and the mold base and the pressing mold are detachably installed through a first fixing screw and a second assembly screw hole respectively, which is convenient for matching workpiece products of different sizes.

[0004] In the existing technology, the servo hydraulic stamping device is not convenient to clamp the objects on both sides during the stamping process. The objects are prone to deviation during the stamping process. The deviation of the objects can easily lead to poor stamping effect and waste of object resources, thereby affecting the stamping work efficiency. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a servo hydraulic stamping device, which can facilitate the clamping and limiting of the stamped objects and at the same time achieve the effect of disassembling and replacing the stamping punch.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A servo hydraulic stamping device, comprising a fixed base, both ends of the top of the fixed base are fixedly connected to a support frame, the top of the support frame is connected to a hydraulic cylinder, the center of the top of the fixed base is connected to a workbench, a placement slot is provided inside the workbench, both ends of the top of the workbench are slidably connected to moving rods, two opposite surfaces of the moving rods are provided with connecting grooves, two opposite surfaces of the moving rods are connected to clamping plates, the bottom of the hydraulic cylinder is connected to a lifting frame, a disassembly slot is provided inside the lifting frame, and the bottom of the lifting frame is connected to a punching head;

[0010] The bottom of the placement groove is connected to a limiting mechanism, and the limiting mechanism includes a second servo motor. The output end of the second servo motor is connected to a rotating rod. Both ends of the top of the rotating rod are hinged with connecting rods. The tops of the two connecting rods away from one end of the rotating rod are provided with sliding rods, and the tops of the sliding rods are hinged to the bottom of the moving rod.

[0011] Furthermore, both ends of the top of the workbench are provided with slide grooves penetrating the placement grooves, the two slide grooves are obliquely opened on the top of the workbench, and the size of the slide rod is adapted to the size of the slide grooves.

[0012] Furthermore, a disassembly mechanism is rotatably connected in the disassembly groove, and the disassembly mechanism includes a first threaded rod, the first threaded rod is rotatably connected to one side inside the disassembly groove, one end of the first threaded rod is connected to the second threaded rod, the end of the first threaded rod away from the second threaded rod is connected to a first servo motor, and the outer surfaces of the first threaded rod and the second threaded rod are both threadedly connected with moving blocks, the bottom of the moving block is fixedly connected with a clamping block, and the clamping block is connected to the punching head.

[0013] Furthermore, the first threaded rod and the second threaded rod are equal in size and both have external threads on their outer surfaces, and the threads of the external threads on the outer surfaces of the first threaded rod and the second threaded rod are opposite.

[0014] Furthermore, clamping holes are provided on both sides of the top of the punch head, and the size of the clamping block is adapted to the size of the clamping hole.

[0015] Furthermore, a connecting mechanism is clamped inside the connecting groove, and the connecting mechanism includes a connecting frame, which is clamped inside the connecting groove, and the top and bottom of the connecting frame are slidably connected with push plates, and the opposite surfaces of the two push plates are connected to springs, and the ends of the two push plates away from the springs are connected to positioning blocks.

[0016] Furthermore, the connection mechanism also includes a push rod, the number of the push rods is two, and the two push rods are fixedly connected to one end close to one side of the positioning block.

[0017] Furthermore, positioning holes are provided at the top and the bottom of the connection groove, and the positioning block passes through the connection frame and is snapped into the positioning holes.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the advantages of the present invention are:

[0020] (1) This solution provides a fixed base, a workbench, a second servo motor, a rotating rod, a connecting rod, a moving rod and a clamping plate, and utilizes the movement of the connecting rod to drive the clamping plate to move, so as to achieve the effect of clamping and limiting the objects placed on the workbench, avoid the inconvenience in the stamping process caused by the fixed limit clamping, and is beneficial to improving the stability of the objects during the stamping process, and at the same time is beneficial to improving the working efficiency of the stamping device.

[0021] (2) This solution provides a fixed base, a support frame, a hydraulic cylinder, a lifting frame, a first servo motor, a first threaded rod, a second threaded rod, a moving block, a clamping block and a punching head. The clamping block is used to fix and disassemble the punching head, thereby avoiding the situation where the applicability is poor due to the inconvenience of disassembling and replacing the punching head, thereby reducing the working efficiency of the punching device. It is beneficial to replace the punching head according to the different sizes of the objects, thereby improving the applicability of the punching device.

[0022] (3) This solution provides a moving rod, a clamping plate, a connecting frame, a push plate, a positioning block, a push rod and a spring, and utilizes the positioning block to achieve the connection and disassembly effect between the clamping plate and the moving rod, thereby avoiding the inconvenience of adjusting the clamping plate according to the shape and size of the stamped object due to the unchanged clamping plate during disassembly, which causes inconvenience during use. This is conducive to meeting the effect of replacing the clamping plate according to the different stamped objects, and is also conducive to improving the working efficiency of the stamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a cross-sectional view of the three-dimensional structure in the utility model;

[0025] Figure 3 It is a schematic diagram of the exploded structure of the limit mechanism, the moving rod and the clamping plate in the utility model;

[0026] Figure 4 It is a schematic diagram of the explosion structure of the disassembly mechanism and the pressing punch in the utility model;

[0027] Figure 5 For the utility model Figure 3 A schematic diagram of the enlarged structure of the internal structure of part A in the middle.

[0028] Description of the numbers in the figure:

[0029] 1. Fixed base; 2. Support frame; 3. Workbench; 4. Hydraulic cylinder; 5. Lifting frame; 6. Disassembly mechanism; 61. First threaded rod; 62. Second threaded rod; 63. First servo motor; 64. Moving block; 65. Clamping block; 7. Punching head; 8. Limiting mechanism; 81. Second servo motor; 82. Rotating rod; 83. Connecting rod; 9. Moving rod; 10. Clamping plate; 11. Connecting mechanism; 111. Connecting frame; 112. Push plate; 113. Positioning block; 114. Push rod; 115. Spring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" 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 position, be constructed and operated in a specific position, and therefore cannot be understood as limiting 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.

[0032] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "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 indirectly connected 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 utility model can be understood according to specific circumstances.

[0033] Embodiment 1:

[0034] See also Figure 1-5A servo hydraulic stamping device comprises a fixed base 1, both ends of the top of the fixed base 1 are fixedly connected with a support frame 2, the top of the support frame 2 is connected with a hydraulic cylinder 4, the top center of the fixed base 1 is connected with a workbench 3, a placement slot is provided inside the workbench 3, both ends of the top of the workbench 3 are slidably connected with moving rods 9, the opposite surfaces of the two moving rods 9 are provided with connecting slots, the opposite surfaces of the two moving rods 9 are connected with clamping plates 10, the bottom of the hydraulic cylinder 4 is connected with a lifting frame 5, a disassembly slot is provided inside the lifting frame 5, and the bottom of the lifting frame 5 is connected with a punching head 7;

[0035] The bottom of the placement slot is connected to a limiting mechanism 8, which includes a second servo motor 81. The output end of the second servo motor 81 is connected to a rotating rod 82. Both ends of the top of the rotating rod 82 are hinged with connecting rods 83. The tops of the two connecting rods 83 away from the rotating rod 82 are provided with sliding rods, and the tops of the sliding rods are hinged to the bottoms of the moving rods 9. The objects to be stamped are placed on the workbench 3, and the operation of the second servo motor 81 drives the rotating rod 82 to rotate. The rotation of the rotating rod 82 drives the connecting rod 83 to move, thereby driving the moving rod 9 and the clamping plate 10 to move, so as to achieve the effect of clamping the two sides of the objects. Subsequently, the operation of the hydraulic cylinder 4 drives the lifting frame 5 and the punching head 7 to lift and lower, so as to achieve the effect of stamping the objects.

[0036] See also Figure 1-3 Both ends of the top of the workbench 3 are provided with slide grooves that penetrate the placement grooves. The two slide grooves are inclined at the top of the workbench 3, and the size of the slide rod is adapted to the size of the slide groove; the inclined slide grooves at both ends of the top of the workbench 3 meet the requirements of the slide rod driving the moving rod 9 to slide on the workbench 3, thereby meeting the effect of fixing and clamping the objects placed on the workbench 3.

[0037] See also Figure 2-4 A disassembly mechanism 6 is rotatably connected in the disassembly groove, and the disassembly mechanism 6 includes a first threaded rod 61, the first threaded rod 61 is rotatably connected to one side inside the disassembly groove, one end of the first threaded rod 61 is connected to the second threaded rod 62, and the end of the first threaded rod 61 away from the second threaded rod 62 is connected to the first servo motor 63, and the outer surfaces of the first threaded rod 61 and the second threaded rod 62 are both threadedly connected with a moving block 64, and the bottom of the moving block 64 is fixedly connected with a clamping block 65, and the clamping block 65 is connected to the punch head 7; the operation of the first servo motor 63 drives the first threaded rod 61 and the second threaded rod 62 to rotate, thereby driving the moving block 64 to move, and the movement of the moving block 64 drives the clamping block 65 to move, so as to meet the effect of limiting the clamping and disassembly of the punch head 7.

[0038] See also Figure 2-4The first threaded rod 61 and the second threaded rod 62 are of equal size and are both provided with external threads on their outer surfaces. The threads of the external threads provided on the outer surfaces of the first threaded rod 61 and the second threaded rod 62 are opposite. The setting of the external threads with opposite threads is conducive to driving the moving block 64 to move relative to each other during the rotation of the first threaded rod 61 and the second threaded rod 62.

[0039] See also Figure 2-4 Clamping holes are provided on both sides of the top of the punch head 7, and the size of the clamping block 65 is adapted to the size of the clamping holes; the setting of the clamping holes allows the clamping plate 10 to be clipped into the interior of the punch head 7, thereby achieving the effect of disassembly and replacement of the punch head 7.

[0040] See also Figure 3-5 A connecting mechanism 11 is clamped inside the connecting groove, and the connecting mechanism 11 includes a connecting frame 111, which is clamped inside the connecting groove, and the top and bottom of the connecting frame 111 are slidably connected with push plates 112, and springs 115 are connected to the opposite surfaces of the two push plates 112, and the ends of the two push plates 112 away from the springs 115 are connected to positioning blocks 113; when the clamping plate 10 needs to be disassembled and replaced, the push plate 112 squeezes the spring 115 and drives the positioning block 113 to enter the interior of the connecting frame 111, so that the connecting frame 111 is pulled out from the inside of the moving rod 9, thereby meeting the effect of disassembling and replacing the clamping plate 10.

[0041] See also Figure 3-5 The connecting mechanism 11 also includes a push rod 114, and the number of the push rods 114 is two. The two push rods 114 are fixedly connected to one end of the side close to the positioning block 113; pushing the push rod 114 drives the push plate 112 to squeeze the spring 115 and then drives the positioning block 113 to enter the interior of the connecting frame 111, thereby meeting the effect of disassembly and replacement of the clamping plate 10.

[0042] See also Figure 3-5 Positioning holes are provided at the top and bottom of the connecting groove, and the positioning block 113 passes through the connecting frame 111 and is snapped into the positioning holes; the setting of the positioning holes satisfies the effect of limiting the positioning block 113, thereby ensuring the stability of the connection between the connecting frame 111 and the moving rod 9.

[0043] The working principle of the utility model is as follows: when in use, the object to be punched is placed on the workbench 3, and then the second servo motor 81 drives the rotating rod 82 to rotate, and the rotation of the rotating rod 82 drives the connecting rod 83 to rotate, and the rotation of the connecting rod 83 drives the moving rod 9 to move, thereby driving the clamping plate 10 to clamp the object on the workbench 3, and then the hydraulic cylinder 4 drives the lifting frame 5 to lift and lower, and drives the punching head 7 to lift and lower, so as to achieve the punching effect on the object on the workbench 3;

[0044] When the punch head 7 needs to be replaced to a suitable size, the first servo motor 63 drives the first threaded rod 61 to rotate, and the rotation of the first threaded rod 61 drives the second threaded rod 62 to rotate, thereby driving the punch moving block 64 to move, and the movement of the moving block 64 drives the clamping block 65 to move, so that the moving block 64 is pulled out from the inside of the punch head 7, which is convenient for the disassembly and limiting effect of the punch head 7;

[0045] At the same time, when the clamped objects are of different sizes and shapes and the clamping plate 10 needs to be replaced, the push rod 114 drives the push plate 112 to squeeze the spring 115 and then drives the positioning block 113 to enter the interior of the connecting frame 111, and then the connecting frame 111 is pulled out from the interior of the moving rod 9, thereby achieving the effect of disassembly and replacement of the clamping plate 10.

[0046] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A servo hydraulic punching device, comprising a fixed base (1), characterized in that: The two ends of the top of the fixed base (1) are fixedly connected to a support frame (2), the top of the support frame (2) is connected to a hydraulic cylinder (4), the center of the top of the fixed base (1) is connected to a workbench (3), a placement groove is provided inside the workbench (3), the two ends of the top of the workbench (3) are slidably connected to moving rods (9), the opposite surfaces of the two moving rods (9) are provided with connecting grooves, the opposite surfaces of the two moving rods (9) are connected to clamping plates (10), the bottom of the hydraulic cylinder (4) is connected to a lifting frame (5), the lifting frame (5) is provided with a disassembly groove, and the bottom of the lifting frame (5) is connected to a punching head (7); The bottom of the placement slot is connected to a limiting mechanism (8), the limiting mechanism (8) comprises a second servo motor (81), the output end of the second servo motor (81) is connected to a rotating rod (82), both ends of the top of the rotating rod (82) are hinged with connecting rods (83), the tops of the two connecting rods (83) away from the rotating rod (82) are provided with sliding rods, and the tops of the sliding rods are hinged to the bottom of the moving rod (9).

2. A servo hydraulic punching device according to claim 1, characterized in that: Both ends of the top of the workbench (3) are provided with sliding grooves penetrating the placement groove, and the two sliding grooves are inclinedly opened on the top of the workbench (3), and the size of the sliding rod is adapted to the size of the sliding groove.

3. A servo hydraulic punching device according to claim 1, characterized in that: A disassembly mechanism (6) is rotatably connected in the disassembly groove, and the disassembly mechanism (6) comprises a first threaded rod (61), the first threaded rod (61) is rotatably connected to one side of the disassembly groove, one end of the first threaded rod (61) is connected to a second threaded rod (62), one end of the first threaded rod (61) away from the second threaded rod (62) is connected to a first servo motor (63), the outer surfaces of the first threaded rod (61) and the second threaded rod (62) are both threadedly connected to a moving block (64), the bottom of the moving block (64) is fixedly connected to a clamping block (65), and the clamping block (65) is connected to the punching head (7).

4. A servo hydraulic punching device according to claim 3, characterized in that: The first threaded rod (61) and the second threaded rod (62) are of equal size and both have external threads on their outer surfaces. The threads of the external threads on the outer surfaces of the first threaded rod (61) and the second threaded rod (62) are opposite.

5. The servo hydraulic punching device according to claim 3, characterized in that: Clamping holes are provided on both sides of the top of the punch head (7), and the size of the clamping block (65) is adapted to the size of the clamping holes.

6. The servo hydraulic punching device according to claim 1, characterized in that: A connecting mechanism (11) is clamped inside the connecting groove, and the connecting mechanism (11) comprises a connecting frame (111). The connecting frame (111) is clamped inside the connecting groove, and the top and bottom of the connecting frame (111) are slidably connected to push plates (112), the opposite surfaces of the two push plates (112) are connected to springs (115), and the ends of the two push plates (112) away from the springs (115) are connected to positioning blocks (113).

7. A servo hydraulic punching device according to claim 6, characterized in that: The connection mechanism (11) further comprises a push rod (114), the number of the push rods (114) is two, and the two push rods (114) are fixedly connected to one end of a side close to the positioning block (113).

8. The servo hydraulic punching device according to claim 6, characterized in that: Positioning holes are provided at the top and bottom of the connection groove, and the positioning block (113) passes through the connection frame (111) and is snapped into the positioning hole.

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