Secondary positioning cutter closing press-fitting mechanism

Abstract

The utility model relates to a secondary positioning cutter closing press-fitting mechanism which comprises a machine frame and a limiting seat, a secondary positioning device and a press-fitting device which work in sequence are installed at the upper end of the machine frame side by side, a first positioning device is erected above the secondary positioning device, and a second positioning device is erected above the press-fitting device. The limiting seat is arranged on one side of the machine frame and is opposite to the secondary positioning device, the secondary positioning device comprises a positioning guide rail, a guide needle and a guide air cylinder, the guide needle is installed on the positioning guide rail in a sliding mode through a first sliding block, a cylinder body of the guide air cylinder is fixedly connected with the machine frame, and the guide air cylinder is fixedly connected with the machine frame. A piston rod of the guide air cylinder is in transmission connection with the first sliding block. The secondary positioning cutter closing press-fitting mechanism is accurate in positioning and high in press-fitting efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of umbrella tube assembly equipment, in particular to a secondary positioning knife closing press-fitting mechanism. Background Art

[0002] At present, the domestic parachute assembly is still in the state of manual assembly, usually by the enterprise itself or by outsourcing. The parachute assembly includes several processes, among which the parachute blade press-fitting process (i.e., pressing the parachute blade onto the parachute) is difficult to assemble. When manually pressing the parachute blade, accurate force needs to be applied, resulting in low assembly efficiency and high work intensity. Utility Model Content

[0003] In order to overcome the technical defects of the prior art, the utility model provides a secondary positioning knife closing press-fitting mechanism, which has accurate positioning and high press-fitting efficiency.

[0004] The technical solution adopted by the utility model is: a secondary positioning knife pressing mechanism, including a frame and a limit seat, a secondary positioning device and a pressing device that operate successively are installed side by side on the upper end of the frame, a first positioning device is mounted above the secondary positioning device, the limit seat is arranged on one side of the frame and is arranged opposite to the secondary positioning device, the secondary positioning device includes a positioning guide rail, a guide needle and a guide cylinder, the guide needle is slidably installed on the positioning guide rail through a first slider, the cylinder body of the guide cylinder is fixedly connected to the frame, and the piston rod of the guide cylinder is transmission-connected to the first slider.

[0005] Preferably, a mounting plate is vertically mounted on the upper end of the frame, the guide cylinder is fixedly mounted on one side of the mounting plate, and the first positioning device is arranged on the other side opposite to the mounting plate.

[0006] Preferably, the first positioning device includes a first positioning cylinder vertically installed on the mounting plate, the piston rod of the first positioning cylinder faces downward, a positioning block is installed at the end of the piston rod of the first positioning cylinder, and the axis of the piston rod of the first positioning cylinder intersects the axis of the guide needle perpendicularly.

[0007] Preferably, two protrusions are provided at the lower end of the positioning block, and inclined surfaces are provided at the lower ends of the two protrusions, and the two inclined surfaces are arranged in an eight-shaped shape.

[0008] Preferably, the front end of the guide needle is tapered.

[0009] Preferably, a clearance groove is provided at the front end of the guide needle.

[0010] Preferably, the press-fitting device includes a press-fitting guide rail, a press-fitting block and a press-fitting cylinder. The press-fitting guide rail is parallel to the positioning guide rail. The press-fitting block is slidably installed on the press-fitting guide rail through a second slider. The cylinder body of the press-fitting cylinder is installed on the frame, and the piston rod of the press-fitting cylinder is transmission-connected to the second slider.

[0011] Preferably, a push rod is provided at the lower end of the second sliding block, a guide rod is provided on the frame below the push rod, the guide rod is passed through the push rod and slidably cooperates with the push rod, and the piston rod of the press-fitting cylinder is transmission-connected to the push rod.

[0012] Preferably, the limiting seat includes a base and a limiting mechanism installed on the upper end of the base.

[0013] The beneficial effect of the utility model is that a secondary positioning knife pressing mechanism of the utility model has a first positioning device and a secondary positioning device, the first positioning device presses the umbrella tube from a direction perpendicular to the umbrella tube, and the guide needle of the secondary positioning device is inserted into the umbrella tube and cooperates with the limit device to position the umbrella tube from the axial direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a secondary positioning knife pressing mechanism.

[0015] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0016] Explanation of the reference numerals: 1. frame; 101. mounting plate; 2. first positioning cylinder; 201. positioning block; 202. protrusion; 203. inclined surface; 3. guide cylinder; 301. guide needle; 3011. clearance groove; 302. positioning guide rail; 303. first slider; 4. press-fitting cylinder; 401. press-fitting guide rail; 402. press-fitting block; 403. second slider; 404. push rod; 405. guide rod; 501. base; 502. limit plate; 6. umbrella tube; 7. closing knife. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] like Figure 1 and Figure 2As shown, this embodiment provides a secondary positioning knife pressing mechanism, including a frame 1 and a limit seat, the limit seat includes a base 501 and a limit mechanism installed on the upper end of the base 501, the upper end of the frame 1 is provided with a secondary positioning device and a pressing device that operate successively, a first positioning device is arranged above the secondary positioning device, the limit seat is arranged on one side of the frame 1 and is arranged opposite to the secondary positioning device, the secondary positioning device includes a positioning guide rail 302, a guide needle 301 and a guide cylinder 3, the guide needle 301 is slidably installed on the positioning guide rail 302 through a first slider 303, the cylinder body of the guide cylinder 3 is fixedly connected to the frame 1, the piston rod of the guide cylinder 3 is transmission connected to the first slider 303, and a secondary positioning knife pressing mechanism of the utility model can improve the assembly efficiency of the knife 7.

[0019] In this embodiment, a mounting plate 101 is vertically mounted on the upper end of the frame 1, the guide cylinder 3 is fixedly mounted on one side of the mounting plate 101, and the first positioning device is arranged on the other side opposite to the mounting plate 101. The first positioning device includes a first positioning cylinder 2 vertically mounted on the mounting plate 101, the piston rod of the first positioning cylinder 2 faces downward, and a positioning block 201 is installed at the end of the piston rod of the first positioning cylinder 2, the piston rod axis of the first positioning cylinder 2 is perpendicularly intersected with the axis of the guide needle 301, and two protrusions 202 are provided at the lower end of the positioning block 201, and inclined surfaces 203 are arranged at the lower ends of the two protrusions 202, and the two inclined surfaces 203 are arranged in an eight-shaped shape. When the first positioning device is working, the first positioning cylinder 2 drives the positioning block 201 to descend, and the two inclined surfaces 203 at the lower end of the positioning block 201 press the umbrella tube 6 onto the frame 1.

[0020] In this embodiment, the pressing device includes a pressing guide rail 401, a pressing block 402 and a pressing cylinder 4. The pressing guide rail 401 is parallel to the positioning guide rail 302. The pressing block 402 is slidably installed on the pressing guide rail 401 through a second slider 403. The cylinder body of the pressing cylinder 4 is installed on the frame 1. The piston rod of the pressing cylinder 4 is transmission connected with the second slider 403. A push rod 404 is provided at the lower end of the second slider 403. A guide rod 405 is provided on the frame 1 below the push rod 404. The guide rod 405 is penetrated by the push rod 404 and slidably cooperates with the push rod 404. The piston rod of the pressing cylinder 4 is transmission connected with the push rod 404. When the pressing device is in operation, the pressing cylinder 4 drives the pressing block 402 to press the closing knife 7 into the umbrella tube 6, so that the closing knife 7 reaches a predetermined position in the umbrella tube 6.

[0021] When a secondary positioning knife pressing mechanism of the present embodiment is in operation, the knife 7 is placed into the notch of the umbrella tube 6, and one end of the umbrella tube 6 is assembled on the limiting mechanism. Preferably, the limiting device of the present embodiment adopts a limiting plate 502. During assembly, one end of the umbrella tube 6 is abutted against the limiting plate 502. A clamping cylinder can also be used as a limiting device to clamp the umbrella tube 6. The other end of the umbrella tube 6 is placed on the frame 1. The guide needle 301 of the secondary positioning device extends into the umbrella tube 6 to realize axial positioning of the umbrella tube 6. The positioning block 201 of the first positioning device is pressed down on the upper end of the umbrella tube 6 to press the umbrella tube 6 onto the frame 1. Then the pressing cylinder 4 drives the pressing block 402 to approach the knife 7 and push it into the predetermined position of the umbrella tube 6. Preferably, the front end of the guide needle 301 of the present embodiment is conical and a clearance groove 3011 is provided at the front end of the guide needle 301. In this way, when the guide needle 301 enters the umbrella tube 6, the axis of the umbrella tube 6 will be parallel to its own axis, ensuring the accurate position of the umbrella tube 6. The clearance groove 3011 on the guide needle 301 can prevent the knife 7 from interfering with the guide needle 301 when being pushed into the umbrella tube 6.

[0022] The above shows and describes the basic principles and main features of the invention and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the invention, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A secondary positioning knife-closing press-fitting mechanism, characterized in that: It comprises a frame and a limiting seat, a secondary positioning device and a pressing device which operate successively are installed side by side on the upper end of the frame, a first positioning device is mounted above the secondary positioning device, the limiting seat is arranged at one side of the frame and is arranged opposite to the secondary positioning device, the secondary positioning device comprises a positioning guide rail, a guide needle and a guide cylinder, the guide needle is slidably installed on the positioning guide rail through a first slider, the cylinder body of the guide cylinder is fixedly connected to the frame, and the piston rod of the guide cylinder is drivingly connected to the first slider; The press-fitting device includes a press-fitting guide rail, a press-fitting block and a press-fitting cylinder. The press-fitting guide rail is parallel to the positioning guide rail. The press-fitting block is slidably installed on the press-fitting guide rail through a second slider. The cylinder body of the press-fitting cylinder is installed on the frame. The piston rod of the press-fitting cylinder is transmission-connected to the second slider.

2. A secondary positioning knife-closing press-fitting mechanism according to claim 1, characterized in that: A mounting plate is vertically mounted on the upper end of the frame, the guide cylinder is fixedly mounted on one side of the mounting plate, and the first positioning device is arranged on the other side opposite to the mounting plate.

3. A secondary positioning knife-closing press-fitting mechanism according to claim 2, characterized in that: The first positioning device comprises a first positioning cylinder vertically mounted on the mounting plate, the piston rod of the first positioning cylinder faces downward, a positioning block is mounted at the end of the piston rod of the first positioning cylinder, and the axis of the piston rod of the first positioning cylinder intersects perpendicularly with the axis of the guide needle.

4. A secondary positioning knife-closing press-fitting mechanism according to claim 3, characterized in that: The lower end of the positioning block is provided with two protrusions, and the lower ends of the two protrusions are provided with inclined surfaces, and the two inclined surfaces are arranged in an eight-shaped shape.

5. The secondary positioning knife-closing press-fitting mechanism according to claim 1, characterized in that: The front end of the guide needle is tapered.

6. The secondary positioning knife-closing press-fitting mechanism according to claim 1, characterized in that: A yielding groove is provided at the front end of the guide needle.

7. The secondary positioning knife-closing press-fitting mechanism according to claim 1, characterized in that: A push rod is provided at the lower end of the second sliding block, a guide rod is provided on the frame below the push rod, the guide rod is passed through the push rod and slidably cooperates with the push rod, and the piston rod of the press-fitting cylinder is drivingly connected to the push rod.

8. The secondary positioning knife-closing press-fitting mechanism according to claim 1, characterized in that: The limiting seat comprises a base and a limiting mechanism installed on the upper end of the base.

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