Pulling device of control mechanism of open press

Abstract

The utility model discloses a pulling device of an open press operating mechanism, which comprises an air cylinder, a linkage rod and a driving rod, the right end of the air cylinder is connected with an electromagnetic valve, and the output end of the air cylinder is rotatably provided with a first linkage pin; a middle rod is installed at the inner end of the linkage rod in a clamped mode, adjusting holes are formed in the inner end of the middle rod at equal intervals, and a positioning pin is rotationally installed at the inner end of the middle rod. A pinching clamp is rotationally installed at the left end of the driving rod, and a thickened metal spring is fixedly installed at the inner end of the pinching clamp. The pulling device of the control mechanism of the open press is convenient to adjust and install, the problem that the pulling device cannot be pulled to move or cannot pull to the position of the cam in place is thoroughly solved by utilizing the lever principle, and the problems that an electromagnet coil is frequently burnt, and the maintenance cost is high due to frequent shutdown are solved; the reliability of the control mechanism, the personal safety of equipment and the utilization efficiency of the equipment are improved, the maintenance period of the equipment is prolonged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of a pulling device for an operating mechanism, in particular to a pulling device for an open press operating mechanism. Background Art

[0002] The operating mechanism is a component installed in the open press, which is composed of parts such as the manipulator and the pulling device. The performance of this mechanism is related to the reliability and safety of the whole machine. The operating mechanism works on the principle that when the electromagnet is energized to attract the armature, the pull rod moves downward through the rocker rod, and drives the rack to move through the insert to do the same action. Therefore, the reset spring in the lower part of the manipulator is compressed, and the gear rotates counterclockwise under the rack drive, driving the shaft to rotate, so that the shaft head cam rotates and separates from the key on the clutch, and the clutch is engaged. The sensitivity of the cam rotation can be adjusted by the reset spring, and the cam angle can be controlled by adjusting the stroke of the connecting rod and the electromagnet.

[0003] The operating mechanism uses the rotation of the cam of the shaft head of the part in the manipulator to control the clutch of the open press, thereby completing a single stroke of the press. Whether the cam is in place affects whether the clutch is completely engaged and disengaged. If it is not in place, it will cause key collisions, abnormal noises, or a phenomenon of continuous movement. Therefore, whether the cam is in place affects the reliability and safety of the press. If for some reason, the electromagnet is sucked and not released or cannot be sucked, the equipment will be continuous or not move. If the suction is not enough, it will cause the equipment to hit the keys and damage spare parts and cause personal injury. In addition, the electromagnet coil often burns out, resulting in an increase in maintenance costs and maintenance time. Therefore, we propose a pulling device for the operating mechanism of an open press to solve the above problems. Summary of the invention

[0004] The purpose of the utility model is to provide a pulling device for an open press operating mechanism to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pulling device for an open press operating mechanism comprises a cylinder, a linkage rod and a driving rod, wherein the right end of the cylinder is connected to a solenoid valve, and a first linkage pin is rotatably mounted on the output end of the cylinder; a middle rod is clamped and mounted on the inner end of the linkage rod, and adjustment holes are equidistantly provided on the inner end of the middle rod, and a positioning pin is rotatably mounted on the inner end of the middle rod; a pinching clamp is rotatably mounted on the left end of the driving rod, a thickened metal spring is fixedly mounted on the inner end of the pinching clamp, and a connecting round rod is fixedly mounted on the left end of the pinching clamp.

[0007] As a further solution of the utility model: the right end of the linkage rod is rotatably mounted on the lower end of the cylinder through a first linkage pin.

[0008] As a further solution of the utility model: the inner end of the thickened metal spring is fixedly installed on the left end of the driving rod.

[0009] As a further solution of the utility model: the upper end of the driving rod is provided with adjustment holes at equal intervals.

[0010] As a further solution of the utility model: the connecting round rod is located on the left side of the driving rod.

[0011] As a further solution of the utility model: the pinching clamp is symmetrically arranged at the left end of the driving rod, and the inner ends of the two groups of connecting round rods are engaged with each other.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A cylinder, a solenoid valve, a linkage rod, a driving rod and a middle rod are provided. The solenoid valve can control the cylinder to move up and down in the vertical direction, so that the linkage rod drives the driving rod and the middle rod to perform lever movement with the positioning pin as the axis. The lever principle is used to increase the pulling force of the pull rod, so that the cam can be easily pulled and pulled into place, and the cam can be accurately reset in place to meet the functional requirements of the operating mechanism.

[0014] 2. It is equipped with adjustment holes, pinching clamps, thickened metal springs and connecting round rods. The adjustment holes can be used to adjust the distance between the linkage rod, the driving rod and the middle rod to adjust the range of motion. By pinching the pinching clamps, the connecting round rod can be driven to open or close, which is convenient for connecting or closing with the operating mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a pulling device of an open press operating mechanism from a left side perspective;

[0016] Figure 2 It is a right-side perspective three-dimensional structural diagram of a pulling device of an open press operating mechanism;

[0017] Figure 3 It is a top view structural schematic diagram of a pulling device of an open press operating mechanism;

[0018] Figure 4 The present invention is a schematic diagram of the front view of the pulling device of the operating mechanism of an open press.

[0019] In the figure: 1. Cylinder; 2. Linkage rod; 3. Driving rod; 4. Solenoid valve; 5. First link pin; 6. Middle rod; 7. Adjustment hole; 8. Positioning pin; 9. Pinch clamp; 10. Thickened metal spring; 11. Connecting round rod. DETAILED DESCRIPTION

[0020] See also Figures 1 to 4In an embodiment of the utility model, a pulling device of an open press operating mechanism is provided.

[0021] The right end of the cylinder 1 is connected with a solenoid valve 4, and the output end of the cylinder 1 is rotatably mounted with a first coupling pin 5; the inner end of the linkage rod 2 is clamped with a middle rod 6, and the inner end of the middle rod 6 is equidistantly provided with adjustment holes 7, and the inner end of the middle rod 6 is rotatably mounted with a positioning pin 8, and the right end of the linkage rod 2 is rotatably mounted on the lower end of the cylinder 1 through the first coupling pin 5, and the problem that the pulling device cannot be pulled or cannot be pulled into position of the cam is completely solved by using the principle of the lever;

[0022] The left end of the driving rod 3 is rotatably mounted with a pinching clamp 9, the inner end of the pinching clamp 9 is fixedly mounted with a thickened metal spring 10, and the left end of the pinching clamp 9 is fixedly mounted with a connecting round rod 11. The inner end of the thickened metal spring 10 is fixedly mounted on the left end of the driving rod 3. The upper end of the driving rod 3 is equidistantly provided with adjustment holes 7. The connecting round rod 11 is located on the left side of the driving rod 3. The pinching clamp 9 is symmetrically arranged on the left end of the driving rod 3, and the inner ends of the two sets of connecting round rods 11 are mutually engaged, which is convenient for adjustment and installation.

[0023] The working principle of the utility model is:

[0024] like Figure 1 , Figure 2 and Figure 4 As shown, when the pulling device of the operating mechanism of the open press is used, the adjusting hole 7 is used to adjust the linkage rod 2, the driving rod 3 and the middle rod 6 to the required length and then fixed with bolts, the linkage rod 2 is connected to the designed and processed middle rod 6, and then the positioning and marking are performed to determine the position of the positioning pin 8 of the middle rod 6, the first linkage pin 5 and the middle rod 6 are removed, holes are drilled and tapped at the marked position, the positioning pin 8 is installed as the fulcrum of the lever, and finally the middle rod 6 is installed on the positioning pin 8 and fixed. The piston rod of the cylinder 1 is connected to the right end of the linkage rod 2 by the first linkage pin 5, and an arc groove is opened at the connection, which is consistent with the arc motion trajectory generated by the middle rod 6 when it rotates. Mark the installation size position of the base of the cylinder 1, remove the first linkage pin 5, remove the base of the cylinder 1, drill and tap at the marked position, and then install the base of the cylinder 1 to the positioning position and fix it with screws.

[0025] like Figure 1 , Figure 3 and Figure 4As shown, the base of the solenoid valve 4 is placed about 300mm away from the base of the cylinder 1, and the installation size position of the base of the solenoid valve 4 is marked. The base of the solenoid valve 4 is removed, and holes are drilled and tapped. The solenoid valve 4 is installed at the positioning position and fixed with screws, and then the pinching clamp 9 is pinched. The pinching clamp 9 rotates at the left end of the driving rod 3, and the thickened metal spring 10 is compressed. The connecting round rod 11 is opened, and then the connecting round rod 11 is engaged with the lower end slot of the operating mechanism, and the pinching clamp 9 is released. Driven by the thickened metal spring 10, the connecting round rod 11 returns to the original engaging state, wherein the lower end slot of the operating mechanism needs to be arc-shaped or the slot is larger to adapt to the trajectory of the middle rod 6 when it rotates, so as to realize the vertical linear motion of the lower end of the operating mechanism.

[0026] like Figure 1 and Figure 2 As shown, the air source is connected to the air inlet of the solenoid valve 4 with a hose, and the valve is installed to facilitate the switching of the air source. Then the two air outlets of the solenoid valve 4 are connected to the front and rear air inlets of the cylinder 1 with a hose to ensure that there is no air leakage at each connection. The electrical circuit is connected to the solenoid valve 4, and the machine is tested and run. The above is to complete a series of operations of the pulling device of the operating mechanism of the open press. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0027] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pulling device for an open press operating mechanism, comprising a cylinder (1), a linkage rod (2) and a drive rod (3), characterized in that: The right end of the cylinder (1) is connected to a solenoid valve (4), and a first link pin (5) is rotatably mounted on the output end of the cylinder (1); a middle rod (6) is mounted on the inner end of the linkage rod (2), and adjustment holes (7) are equidistantly provided on the inner end of the middle rod (6), and a positioning pin (8) is rotatably mounted on the inner end of the middle rod (6); a clamp (9) is rotatably mounted on the left end of the drive rod (3), and a thickened metal spring (10) is fixedly mounted on the inner end of the clamp (9), and a connecting round rod (11) is fixedly mounted on the left end of the clamp (9).

2. A pulling device for an open press operating mechanism according to claim 1, characterized in that: The right end of the linkage rod (2) is rotatably mounted on the lower end of the cylinder (1) via a first linkage pin (5).

3. A pulling device for an open press operating mechanism according to claim 1, characterized in that: The inner end of the thickened metal spring (10) is fixedly mounted on the left end of the driving rod (3).

4. A pulling device for an open press operating mechanism according to claim 1, characterized in that: Adjustment holes (7) are equidistantly formed on the upper end of the driving rod (3).

5. The pulling device of the operating mechanism of an open press according to claim 1, characterized in that: The connecting round rod (11) is located on the left side of the driving rod (3).

6. A pulling device for an open press operating mechanism according to claim 1, characterized in that: The pinching clamp (9) is symmetrically arranged at the left end of the driving rod (3), and the inner ends of the two groups of connecting round rods (11) are engaged with each other.

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