Servo press with adjustable bottom dead center

Abstract

The utility model discloses a servo press with an adjustable bottom dead center, and relates to the technical field of presses. The servo press machine with the adjustable bottom dead center comprises a press machine rack and an adjusting mechanism, the adjusting mechanism comprises a mounting frame, a sliding rail, a limiting frame, a connecting rod, a limiting plate, a clamping groove, a sliding block and a limiting block, the mounting frame is fixedly connected to the surface of the press machine rack, the sliding rail is fixedly connected to the surface of the press machine rack, and the limiting frame is slidably connected to the top of the sliding rail; the connecting rods are fixedly connected to the surfaces of the limiting frames, the handles are fixedly connected to the surfaces of the connecting rods, different lower dead points of the sliding blocks can be adjusted by moving the different limiting frames to the position above the objective table, machining of different workpieces is met, the sliding blocks can be stably stopped through the limiting effect between the limiting blocks and the limiting frames, and the machining efficiency is improved. And the situation that the quality of the workpiece is affected due to the too large downward pressing degree is avoided, the connecting rods can be clamped into the clamping grooves through the clamping grooves, and fixing of the limiting frame is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of press, especially to a servo press with adjustable lower dead point. BACKGROUND

[0002] Servo press is a kind of press controlled by servo system, mainly used for the equipment of exerting pressure and accurately controlling pressure and speed, servo press is widely used in various industrial fields, such as automobile manufacturing, aerospace and electronic equipment, is used for pressing, stamping and die test process etc. Its advantage lies in accuracy and stability, can dynamically adjust pressure according to actual situation, ensure that the strength exerted is just right, thereby improve the reliability and efficiency of production process, servo press can also be used for scientific research and laboratory experiment, help researchers to carry out the mechanical property test of various materials and simulate the pressure exertion under real working condition.

[0003] In the processing of some workpieces, the force they can withstand is different, so it is necessary to stop the downward pressing of the sliding block in advance, however, most of the existing servo presses can only avoid the continuous downward pressing of the sliding block by controlling the start and stop of the driving mechanism when limiting the operation of the sliding block, and the operator is prone to make mistakes when controlling, which leads to the movement of the sliding block beyond the lower dead point and the damage of the workpiece, therefore, a servo press with adjustable lower dead point is needed. SUMMARY

[0004] The utility model aims at least to solve one of the technical problems existing in the prior art, and provides a servo press with adjustable lower dead point, which can solve the problem that the servo press can only avoid the continuous downward pressing of the sliding block by controlling the start and stop of the driving mechanism when limiting the operation of the sliding block, and the operator is prone to make mistakes when controlling, which leads to the movement of the sliding block beyond the lower dead point and the damage of the workpiece.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A servo press machine with adjustable bottom dead point, including press machine frame and adjusting mechanism, adjusting mechanism includes mounting bracket, sliding rail, limit frame, connecting rod, limit plate, clamping groove, sliding block and limit block, mounting bracket fixedly connected on the surface of press machine frame, sliding rail fixedly connected on the surface of press machine frame, limit frame is lastly connected on the top of sliding rail, connecting rod fixedly connected on the surface of limit frame, handle fixedly connected on the surface of connecting rod, limit plate fixedly connected between press machine frame and mounting bracket, connecting rod is lastly connected with limit plate, clamping groove is set up on the surface of press machine frame, sliding block is lastly connected with press machine frame, limit block fixedly connected on the surface of sliding block, the number of sliding rail is multiple and all equidistance fixedly connected on the surface of press machine frame, the number of limit frame is same with sliding rail and respectively located corresponding sliding rail top, the top of each sliding rail all sets up the sliding slot for limiting limit frame movement, the number of connecting rod is same with limit frame, the number of clamping groove is same with connecting rod, the width of clamping groove and connecting rod is adapted, the number of limit block is two and symmetrically located the both sides of sliding block.

[0006] Preferably, the top of the press machine frame is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a first bevel gear A, the output end of the servo motor is rotatably connected with a positioning plate, and the bottom of the positioning plate is fixedly connected with the press machine frame.

[0007] Preferably, the inside of the sliding block is screwedly connected with a threaded column, the top of the threaded column is fixedly connected with a second bevel gear B, the top of the press machine frame is rotatably connected with the second bevel gear B, and the second bevel gear B is meshedly connected with the first bevel gear A.

[0008] Preferably, the inside of the press machine frame is fixedly connected with a limiting column, and the sliding block is slidably connected with the limiting column.

[0009] Preferably, the top of the press machine frame is fixedly connected with a protective shell, and the servo motor is located in the inside of the protective shell.

[0010] Preferably, the top of the protective shell is provided with a plurality of heat dissipation holes for heat dissipation.

[0011] Preferably, the bottom of the press machine frame is fixedly connected with a loading platform, and the loading platform is located below the sliding rail.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The adjustable lower dead point servo press, by moving different limit frame to the upper of the object table, the different lower dead point of the slider can be adjusted, the processing of different workpieces can be met, and the limit effect between the limit block and the limit frame can be used to make the slider stop stably, avoid the case that the degree of pressing is too large to affect the quality of the workpiece, the connecting rod can be clamped into the inside of the clamping groove through the clamping groove, the fixing of the limit frame is more stable, and the problem that the operator controls the servo press to avoid the slider from continuing to press by controlling the start and stop of the driving mechanism when limiting the operation of the slider, and the slider moves beyond the lower dead point due to the inevitable mistakes of the operator, resulting in damage to the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in combination with the drawings and embodiments:

[0015] Figure 1 It is the schematic diagram of the body of the utility model;

[0016] Figure 2 It is the internal schematic diagram of the utility model;

[0017] Figure 3 It is the slider schematic diagram of the utility model;

[0018] Figure 4 It is the slide rail schematic diagram of the utility model.

[0019] The drawings show that: 1, the press frame; 2, the object table; 3, the mounting frame; 4, the protective shell; 5, the slide rail; 6, the limit frame; 7, the connecting rod; 8, the limit plate; 9, the clamping groove; 10, the servo motor; 11, the first bevel gear A; 12, the second bevel gear B; 13, the threaded column; 14, the slider; 15, the limit block; 16, the sliding slot; 17, the handle; 18, the heat dissipation hole; 19, the positioning plate; 20, the limit column. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the function of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0021] In the description of the utility model, it should be understood that the orientation description, such as the orientation or position relationship of the upper, lower, front, rear, left, right and the like indicated is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model.

[0022] In the description of the utility model, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing the purpose of technical features, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0024] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a servo press machine with adjustable bottom dead point, including press machine frame 1 and adjusting mechanism, adjusting mechanism includes mounting bracket 3, sliding rail 5, limiting frame 6, connecting rod 7, limiting plate 8, clamping groove 9, sliding block 14 and limiting block 15, mounting bracket 3 is fixedly connected on the surface of press machine frame 1, sliding rail 5 is fixedly connected on the surface of press machine frame 1, limiting frame 6 is slidably connected on the top of sliding rail 5, connecting rod 7 is fixedly connected on the surface of limiting frame 6, handle 17 is fixedly connected on the surface of connecting rod 7, limiting plate 8 is fixedly connected between press machine frame 1 and mounting bracket 3, connecting rod 7 is slidably connected with limiting plate 8, clamping groove 9 is set on the surface of press machine frame 1, sliding block 14 is slidably connected with press machine frame 1, limiting block 15 is fixedly connected on the surface of sliding block 14, the number of sliding rail 5 is multiple and equidistantly fixedly connected on the surface of press machine frame 1, the number of limiting frame 6 is same with sliding rail 5 and respectively located on the top of corresponding sliding rail 5, the top of each sliding rail 5 is all set with the sliding slot 16 for limiting the movement of limiting frame 6, the number of connecting rod 7 is same with limiting frame 6, the number of clamping groove 9 is same with connecting rod 7, the width of clamping groove 9 and connecting rod 7 is matched, the number of limiting block 15 is two and symmetrically located on the two sides of sliding block 14.

[0025] Further, the top of the press frame 1 is fixedly connected with a servo motor 10, the output end of the servo motor 10 is fixedly connected with a first bevel gear A11, the output end of the servo motor 10 is rotatably connected with a positioning plate 19, the bottom of the positioning plate 19 is fixedly connected with the press frame 1, the inside of the sliding block 14 is threadedly connected with a threaded column 13, the top of the threaded column 13 is fixedly connected with a second bevel gear B12, the top of the second bevel gear B12 is rotatably connected with the press frame 1, the second bevel gear B12 is meshingly connected with the first bevel gear A11, the inside of the press frame 1 is fixedly connected with a limiting column 20, the sliding block 14 is slidably connected with the limiting column 20, the top of the press frame 1 is fixedly connected with a protective shell 4, the servo motor 10 is located in the inside of the protective shell 4, a plurality of heat dissipation holes 18 for heat dissipation are formed in the top of the protective shell 4, the bottom of the press frame 1 is fixedly connected with a loading table 2, and the loading table 2 is located below the sliding rail 5.

[0026] Further, the workpiece to be processed is placed on the top of the loading table 2, the corresponding handle 17 is slid to drive the connecting rod 7 and the limiting frame 6 to move on the top of the sliding rail 5, the limiting frame 6 is slid to the top of the loading table 2, the servo motor 10 is started to drive the first bevel gear A11 to rotate, thereby driving the second bevel gear B12 to rotate, the threaded column 13 is rotated and the sliding block 14 is moved on the surface of the threaded column 13 through the limiting action of the limiting column 20, the sliding block 14 gradually descends to contact the workpiece and stamp it, until the limiting block 15 provided on the sliding block 14 contacts the corresponding limiting frame 6, the limiting block 15 and the limiting frame 6 can limit the movement of the sliding block 14, so that the sliding block 14 is stably stopped at the lower dead point, the stable processing of the workpiece is realized, the corresponding limiting frame 6 is moved to the upper side of the loading table 2, the different lower dead points of the sliding block 14 can be adjusted, and the processing of different workpieces is met.

[0027] Further, by moving different limiting frames 6 to the upper side of the loading table 2, the different lower dead points of the sliding block 14 can be adjusted, the processing of different workpieces is met, the limiting block 15 and the limiting frame 6 can be used to stably stop the sliding block 14, the situation that the degree of depression is too large to affect the quality of the workpiece is avoided, the connecting rod 7 can be clamped into the inside of the clamping groove 9 through the clamping groove 9, the fixation of the limiting frame 6 is more stable, the servo motor 10 and other components can be protected through the protective shell 4, the heat dissipation holes 18 are arranged for heat dissipation of the servo motor 10, and the problems that the sliding block moves to exceed the lower dead point due to the inevitable mistakes of the operator when the servo press machine only controls the start and stop of the driving mechanism to avoid the continuous depression of the sliding block when limiting the operation of the sliding block are solved.

[0028] Structural description: the press frame 1 is a press body, used for fixing various components;

[0029] Worktable 2: fixed on the surface of the press frame 1, used for placing workpieces;

[0030] Mounting frame 3: fixed on the surface of the press frame 1, used for fixing other structures;

[0031] Protective shell 4: fixed on the top of the press frame 1, used for protecting the adjusting mechanism;

[0032] Slide rail 5: multiple slide rails 5 are fixed on the surface of the press frame 1, used for limiting the sliding of the limiting frame 6;

[0033] Limiting frame 6: multiple limiting frames 6 are slidingly connected on the top of the slide rails 5, used for limiting the sliding block 14;

[0034] Connecting rod 7: multiple connecting rods 7 are fixed on the surface of the limiting frame 6, used for adjusting the position of the limiting frame 6;

[0035] Limiting plate 8: fixed between the press frame 1 and the mounting frame 3, used for limiting the movement of the connecting rod 7;

[0036] Clamping groove 9: multiple clamping grooves 9 are formed on the surface of the press frame 1, used for limiting the connecting rod 7;

[0037] Threaded column 13: rotatingly connected on the top of the press frame 1, used for controlling the movement of the sliding block 14;

[0038] Sliding block 14: threadedly connected on the surface of the threaded column 13, used for machining workpieces;

[0039] Limiting block 15: two limiting blocks 15 are fixed on the two sides of the sliding block 14, used for limiting the sliding block 14 together with the limiting frame 6, so as to adjust the lower dead point of the sliding block 14;

[0040] Limiting column 20: fixed in the press frame 1, used for limiting the sliding block 14, so as to avoid the rotation of the sliding block 14.

[0041] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An adjustable bottom dead center servo press characterized by, Include: The press frame (1); Adjusting mechanism, adjusting mechanism includes mounting bracket (3), slide rail (5), limiting frame (6), connecting rod (7), limiting plate (8), clamping groove (9), sliding block (14) and limiting block (15), mounting bracket (3) is fixedly connected on the surface of press frame (1), slide rail (5) is fixedly connected on the surface of press frame (1), limiting frame (6) is slidably connected on the top of slide rail (5), connecting rod (7) is fixedly connected on the surface of limiting frame (6), handle (17) is fixedly connected on the surface of connecting rod (7), limiting plate (8) is fixedly connected between press frame (1) and mounting bracket (3), connecting rod (7) is slidably connected with limiting plate (8), clamping groove (9) is formed on the surface of press frame (1), sliding block (14) is slidably connected with press frame (1), limiting block (15) is fixedly connected on the surface of sliding block (14), the number of slide rail (5) is multiple and equidistantly fixedly connected on the surface of press frame (1), the number of limiting frame (6) is same as that of slide rail (5) and respectively located on the top of corresponding slide rail (5), the top of each slide rail (5) is provided with sliding groove (16) for limiting the movement of limiting frame (6), the number of connecting rod (7) is same as that of limiting frame (6), the number of clamping groove (9) is same as that of connecting rod (7), the width of clamping groove (9) is matched with that of connecting rod (7), the number of limiting block (15) is two and symmetrically located on the two sides of sliding block (14).

2. A servo press with adjustable bottom dead center according to claim 1, characterized in that: The top of the press frame (1) is fixedly connected with a servo motor (10), the output end of the servo motor (10) is fixedly connected with a first bevel gear A (11), the output end of the servo motor (10) is rotatably connected with a positioning plate (19), and the bottom of the positioning plate (19) is fixedly connected with the press frame (1).

3. A servo press with adjustable bottom dead center according to claim 1, characterized in that: The inside of the sliding block (14) is threadedly connected with a threaded column (13), the top of the threaded column (13) is fixedly connected with a second bevel gear B (12), the second bevel gear B (12) is rotatably connected with the top of the press frame (1), and the second bevel gear B (12) is meshedly connected with the first bevel gear A (11).

4. A servo press with adjustable bottom dead center according to claim 1, characterized in that: The inside of the press frame (1) is fixedly connected with a limiting column (20), and the sliding block (14) is slidably connected with the limiting column (20).

5. A servo press with adjustable bottom dead center according to claim 1, characterized in that: The top of the press frame (1) is fixedly connected with a protective shell (4), and the servo motor (10) is located in the inside of the protective shell (4).

6. A servo press with adjustable bottom dead center according to claim 5, characterized in that: The top of the protective shell (4) is provided with a plurality of heat dissipation holes (18) for heat dissipation.

7. A servo press with adjustable bottom dead center according to claim 1, characterized in that: The bottom of the press frame (1) is fixedly connected with a loading platform (2), and the loading platform (2) is located below the slide rail (5).

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