Protection device for punching machine

Abstract

The utility model belongs to the technical field of protection devices for punching machines, and particularly relates to a protection device for a punching machine, which comprises a punching machine platform assembly, a protection mechanism is arranged on the outer wall of the punching machine platform assembly, a guide column is arranged on the outer wall of the punching machine platform assembly, and the protection mechanism comprises a motor. According to the protection device for the punching machine, a driving belt wheel is driven by a motor, a driven belt wheel and a punching machine crankshaft are driven to rotate through V belt transmission, then up-down movement of a pressing rod and a punching head is achieved, a first hinge block and a second hinge block are fixed to the punching head and a guide column respectively, and a four-bar mechanism is formed through connection of the first hinge rod and the second hinge rod. When the punch moves up and down, the mechanism drives the protection plate to move, dynamic protection is provided for the punching process, the dynamic protection mechanism can adjust the protection position in real time according to the working state of the punching machine, and it is ensured that effective protection can be provided in the whole punching period.

Description

Technical Field

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

[0002] The stamping machine drives the flywheel through an electric motor, and through the clutch and transmission gear, drives the crank-connecting rod mechanism to move the slider up and down, driving the stretching die to form the steel plate. The design principle is to convert circular motion into linear motion. The main motor drives the flywheel, and through the clutch drives the gears, crankshaft, connecting rod, etc. to achieve the linear motion of the slider. The movement from the main motor to the connecting rod is circular motion.

[0003] In the operation of a stamping machine, workers usually place the workpiece on the operating table of the stamping machine, and then start the stamping machine to stamp the workpiece. After the processing is completed, the workpiece is manually taken out by the workers. During the continuous processing, the workers will become tired. In the case of negligence, the workers' hands may be extended under the stamping machine while the stamping machine is working, causing damage to the workers' hands. In view of this, we propose a protective device for stamping machines. Utility Model Content

[0004] The main purpose of the utility model is to provide a protection device for a punching machine, which can solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a punching machine protection device, comprising a punching machine platform assembly, a protection mechanism is arranged on the outer wall of the punching machine platform assembly, a guide column is arranged on the outer wall of the punching machine platform assembly, and the protection mechanism comprises:

[0006] A motor, wherein the output shaft of the motor is fixedly connected to a driving pulley, a V-belt is rotatably connected to the outer wall of the driving pulley, a side of the V-belt away from the driving pulley is rotatably connected to a driven pulley, and an inner wall of the driven pulley is fixedly connected to a punch crankshaft;

[0007] A rotating sleeve, the rotating sleeve is sleeved with a crankshaft of a punch press;

[0008] A pressure rod, the upper side of which is sleeved with a rotating sleeve, and the lower side of which is hinged with a punch;

[0009] A hinge block 1, wherein the hinge block 1 is fixedly connected to the outer wall of the punch;

[0010] A second hinge block, wherein the second hinge block is fixedly connected to the outer wall of the guide column;

[0011] An articulated rod 1, one end of which is hinged on the outer wall of an articulated block 1, and the other end of which is hinged to an articulated rod 2, which is hinged to an articulated block 2, and a protective plate is fixedly connected to the outer wall of the articulated rod 2.

[0012] Preferably, the punching machine platform assembly comprises a punching seat, and a punching template is fixedly connected to the outer wall of the punching seat.

[0013] Preferably, the punch is clamped on the outer wall of the guide column, and the guide column can ensure that the punch maintains linearity and stability during the up and down movement, avoiding deviation or shaking, thereby ensuring the accuracy and effect of stamping.

[0014] Preferably, the number of the articulated block 1, the articulated rod 1, the articulated block 2 and the articulated rod 2 is two groups, the articulated block 1 and the articulated block 2 are respectively fixed on the punch and the guide column, and a four-bar mechanism is formed through the connection between the articulated rod 1 and the articulated rod 2. When the punch moves up and down, the mechanism drives the protective plate to move, thereby providing dynamic protection for the stamping process.

[0015] Preferably, a plurality of groups of small holes are arranged on the surface of the protective plate, and the plurality of groups of small holes arranged on the protective plate are helpful for observing the stamping process.

[0016] Preferably, the punch crankshaft passes through the punch platform assembly, and the punch crankshaft is rotatably connected to the punch platform assembly.

[0017] The utility model provides a protective device for a punching machine, which has the following beneficial effects:

[0018] (1) The protection device for the punching machine drives the active pulley through the motor, and drives the driven pulley and the punch crankshaft to rotate through the V-belt transmission, thereby realizing the up and down movement of the pressure rod and the punch. The hinge block 1 and the hinge block 2 are respectively fixed on the punch and the guide column, and a four-bar linkage is formed through the connection between the hinge rod 1 and the hinge rod 2. When the punch moves up and down, the mechanism drives the protective plate to move, providing dynamic protection for the punching process. This dynamic protection mechanism can adjust the protection position in real time according to the working state of the punching machine, ensuring that effective protection can be provided throughout the entire punching cycle.

[0019] (2) The protection device for the stamping machine ensures that the punch maintains linearity and stability during the up and down movement through the design of the guide column, avoiding deviation or shaking, thereby ensuring the accuracy and effect of the stamping. This stable motion trajectory helps to reduce the defect rate of stamped parts and improve product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 3 It is a partial structural schematic diagram of the utility model;

[0024] Figure 4 For this utility model Figure 4 Schematic diagram of the structure of A.

[0025] Description of Figure Numbers:

[0026] 1. Stamping machine platform assembly; 2. Protection mechanism; 3. Guide column; 11. Stamping seat; 12. Stamping template; 21. Motor; 22. Driving pulley; 23. V-belt; 24. Driven pulley; 25. Press crankshaft; 26. Rotating sleeve; 27. Press rod; 28. Punch; 29. ​​Articulated block 1; 210. Articulated rod 1; 211. Articulated block 2; 212. Articulated rod 2; 213. Protection plate.

[0027] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 4The utility model proposes a protective device for a punching machine, including a punching machine platform assembly 1, the punching machine platform assembly 1 includes a punching seat 11, a punching template 12 is fixedly connected to the outer wall of the punching seat 11, a protective mechanism 2 is arranged on the outer wall of the punching machine platform assembly 1, a guide column 3 is arranged on the outer wall of the punching machine platform assembly 1, a punch 28 is clamped on the outer wall of the guide column 3, and the guide column 3 can ensure that the punch 28 maintains linearity and stability during the up and down movement, avoids deviation or shaking, thereby ensuring the accuracy and effect of stamping, and protecting The mechanism 2 includes a motor 21, the output shaft of the motor 21 is fixedly connected to a driving pulley 22, a V-belt 23 is rotatably connected to the outer wall of the driving pulley 22, a side of the V-belt 23 away from the driving pulley 22 is rotatably connected to a driven pulley 24, an inner wall of the driven pulley 24 is fixedly connected to a punch crankshaft 25, the punch crankshaft 25 penetrates the punching machine platform assembly 1, and the punch crankshaft 25 is rotatably connected to the punching machine platform assembly 1, a rotating sleeve 26 is sleeved on the punch crankshaft 25, the upper side of the pressure rod 27 is sleeved on the rotating sleeve 26, and the lower side of the pressure rod 27 is hinged with a punch 28.

[0030] Further, the hinge block 1 29 is fixedly connected to the outer wall of the punch 28, the hinge block 211 is fixedly connected to the outer wall of the guide column 3, one end of the hinge rod 1 210 is hinged to the outer wall of the hinge block 1 29, the other end of the hinge rod 1 210 is hinged to the hinge rod 212, the hinge rod 212 is hinged to the hinge block 211, the hinge block 1 29, the hinge rod 1 210, the hinge block 211 and the hinge rod 212 are two groups, the hinge block 1 29 and the hinge block 211 are fixed to the punch 28 and the guide column 3 respectively, and are hinged to the outer wall of the guide column 3. The connection between the connecting rod 1 210 and the hinged rod 212 forms a four-bar mechanism. When the punch 28 moves up and down, the mechanism drives the protective plate 213 to move, providing dynamic protection for the stamping process. The outer wall of the hinged rod 212 is fixedly connected to the protective plate 213, and a plurality of groups of small holes are arranged on the surface of the protective plate 213. The plurality of groups of small holes arranged on the surface of the protective plate 213 not only reduce the weight of the protective plate 213, but also allow the operator to observe the stamping process without being directly exposed to the dangerous area, thereby improving the convenience and safety of operation.

[0031] It should be noted that the above-mentioned electrical components are all existing technology products. Technical personnel in this field select, install and complete the circuit debugging work according to the needs of use to ensure that all electrical appliances can work normally. The components are all universal standard parts or components known to technical personnel in this field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. The applicant does not make specific restrictions here.

[0032] In the present invention, when in use, the power supply of the motor 21 is turned on, the motor 21 starts to run, the output shaft of the motor 21 drives the driving pulley 22 to rotate, and then through the V-belt 23, the driven pulley 24 and the punch crankshaft 25 also start to rotate. As the punch crankshaft 25 rotates, the rotating sleeve 26 and the pressure rod 27 will move up and down accordingly, thereby driving the punch 28 to perform a straight and stable up and down punching action on the guide column 3. When the punch 28 starts to move downward, the hinge block 29 fixed on the outer wall of the punch 28 will also move accordingly, and the hinge rod 210 and the hinge block 29 will be connected to the punch 28. The connection between the hinged rod 212 and the hinged block 211 drives the protective plate 213 to move toward the working area, providing immediate dynamic protection for the stamping process. The design of the protective plate 213 allows the operator to observe the stamping process through multiple groups of small holes on its surface while maintaining a certain safety distance, ensuring the visibility and monitoring of the operation. After the punch 28 completes a stamping action, the four-bar linkage will automatically drive the protective plate 213 to evacuate the working area so that the punch 28 can rise smoothly and prepare for the next stamping. The above process is repeated until the entire stamping operation process is completed.

[0033] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A protection device for a punching machine, comprising a punching machine platform assembly (1), characterized in that: A protective mechanism (2) is arranged on the outer wall of the punching machine platform assembly (1), a guide column (3) is arranged on the outer wall of the punching machine platform assembly (1), and the protective mechanism (2) comprises: A motor (21), wherein the output shaft of the motor (21) is fixedly connected to a driving pulley (22), a V-belt (23) is rotatably connected to the outer wall of the driving pulley (22), a side of the V-belt (23) away from the driving pulley (22) is rotatably connected to a driven pulley (24), and an inner wall of the driven pulley (24) is fixedly connected to a punch crankshaft (25); A rotating sleeve (26), wherein the rotating sleeve (26) is sleeved with a punching machine crankshaft (25); A pressure rod (27), the upper side of the pressure rod (27) is sleeved with a rotating sleeve (26), and the lower side of the pressure rod (27) is hinged with a punch (28); A hinge block (29), wherein the hinge block (29) is fixedly connected to the outer wall of the punch (28); A second hinge block (211), wherein the second hinge block (211) is fixedly connected to the outer wall of the guide column (3); A hinged rod (210), one end of which is hinged on the outer wall of a hinged block (29), the other end of which is hinged to a hinged rod (212), the hinged rod (212) being hinged to a hinged block (211), and a protective plate (213) being fixedly connected to the outer wall of the hinged rod (212).

2. A punching machine protection device according to claim 1, characterized in that: The punching machine platform assembly (1) comprises a punching seat (11), and a punching template (12) is fixedly connected to the outer wall of the punching seat (11).

3. A punching machine protection device according to claim 1, characterized in that: A punch (28) is clamped on the outer wall of the guide column (3).

4. A punching machine protection device according to claim 1, characterized in that: The number of the hinge block 1 (29), hinge rod 1 (210), hinge block 2 (211) and hinge rod 2 (212) is two groups.

5. A punching machine protection device according to claim 1, characterized in that: A plurality of groups of small holes are arranged on the surface of the protective plate (213).

6. A punching machine protection device according to claim 1, characterized in that: The punch crankshaft (25) passes through the punch platform assembly (1), and the punch crankshaft (25) is rotatably connected to the punch platform assembly (1).

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