Pin shaft ejection device of cubic press

Abstract

The utility model relates to the technical field of cubic presses, in particular to a pin shaft ejection device of a cubic press, which comprises a U-shaped frame, a screw rod is vertically screwed in the middle of one side wall of the U-shaped frame, an ejection rod is screwed in the position of the screw rod on the inner side of the U-shaped frame, the ejection rod is in sliding connection with the U-shaped frame, and a rotating part is arranged at the outer end part of the screw rod; a receding hole for the pin shaft to penetrate through is formed in the middle of the other side wall of the U-shaped frame. Wherein the screwing direction of a thread, matched with the ejector rod, of the lead screw is opposite to that of a thread, matched with the U-shaped frame, of the lead screw; according to the utility model, the lead screw can be rotated through the rotating part, the lead screw moves towards the direction of the pin shaft, and meanwhile, the ejector rod moves towards the direction of the pin shaft relative to the lead screw to eject the pin shaft, so that compared with a mode of manually disassembling the pin shaft by adopting a combination of a hammer and an ejector rod, not only is the safety coefficient improved, but also the ejection efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to six -sided top press technical field especially is six -sided top press pin shaft ejection device. BACKGROUND

[0002] The hinge beam of six -sided top press is connected through pin shaft, because the hinge beam bears larger pressure in the work, and the pin shaft will be worn due to bearing various forces for a long time, so it needs to be replaced regularly.

[0003] The traditional dismounting pin shaft is as follows: manually make the ejection rod resist one end of the pin shaft, then hammer the ejection rod with hammer, and there is a great security risk in the whole process because of the hand holding ejection rod, and the strong impact mode can easily damage the shaft head of pin shaft, causes the damage of pin shaft head and affects the use of pin shaft.

[0004] Therefore, we design a six -sided top press pin shaft ejection device. UTILITY MODEL CONTENTS

[0005] In order to overcome the deficiency in the background art, the utility model discloses a six -sided top press pin shaft ejection device.

[0006] In order to realize the above-mentioned invention purpose, the utility model adopts the following technical scheme:

[0007] A six -sided top press pin shaft ejection device, including the U -type frame, the U -type frame one side wall middle part is vertically screwed with the screw rod, and the screw rod is screwed with the top rod in the position of the inside of the U -type frame, and the top rod is slidably connected with the U -type frame, and the outer end of the screw rod is provided with a rotating part;The other side wall middle part of the U -type frame is provided with a let -go hole for the pin shaft to pass through;

[0008] Among them, the thread of the screw rod and the top rod cooperation and the thread of the screw rod and the U -type frame cooperation are opposite in rotation direction.

[0009] Preferably, the inner wall surface of the side wall with let -go hole of the U -type frame is provided with the first suction accessory that can be adsorbed to the hinge beam ear plate.

[0010] Preferably, the top rod fixed end is equipped with the second suction accessory that can be adsorbed to the end face of pin shaft.

[0011] Preferably, the top rod includes the outer cylinder that the inner end part is screwed to the screw rod, the outer cylinder inner chamber slidably connected with the top -out cylinder that the outer end protrudes, and the compression spring is arranged between the outer cylinder inner chamber inner end and the top -out cylinder inner end.

[0012] Preferably, the outer wall surface of the side wall with let -go hole of the U -type frame is provided with the bearing structure that bears the pin shaft.

[0013] Preferably, the receiving structure comprises an end plate, and a plurality of vertical connecting rods are arranged on the outer edge of the end plate in the circumferential direction, and the connecting rods are connected to the side walls of the U-shaped frame with the clearance holes correspondingly.

[0014] Preferably, the side walls of the U-shaped frame with the clearance holes are rotationally connected to the main body of the U-shaped frame.

[0015] Preferably, the main body of the U-shaped frame is provided with a sliding groove in the length direction, and the inner end of the top rod is provided with a limiting rod which is inserted into the sliding groove.

[0016] Thanks to the technical scheme, the utility model has the following beneficial effects:

[0017] 1. The pin shaft can be ejected by rotating the rotating part and the top rod, and the pin shaft can be disassembled by the combination of a hammer and a ejecting rod, which improves the safety factor and the ejecting efficiency.

[0018] 2. The first and second suction members can preliminarily position the ejecting device and ensure the correct installation position of the ejecting device.

[0019] 3. The side walls of the U-shaped frame with the clearance holes can be rotated, and the receiving structure can be located inside the U-shaped frame when not in use, and the top rod can be inserted into the cavity formed between the connecting rods by rotating the screw rod, so that the side walls of the U-shaped frame with the clearance holes are prevented from rotating freely. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of another structure of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the utility model; Figure 2 It is a structural schematic diagram from another perspective;

[0023] Figure 4 It is a structural schematic diagram of the utility model in use;

[0024] Figure 5 It is a sectional view of the utility model; Figure 4

[0025] Figure 6 It is a structural schematic diagram of the utility model in idle state;

[0026] Figure 7 It is a sectional view of the utility model; Figure 6 ​​

[0027] Fig. 1, U-shaped frame; 11, let hole; 12, sliding slot; 2, lead screw; 21, rotating part; 3, ejector rod; 31, outer cylinder; 32, ejection cylinder; 33, compression spring; 4, first suction accessory; 5, second suction accessory; 6, receiving structure; 61, end plate; 62, connecting rod; 7, limiting rod. DETAILED DESCRIPTION

[0028] The utility model can be explained in detail through the following examples, the purpose of the utility model is to protect all technical improvements within the scope of the utility model, in the description of the utility model, it needs to be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship, only the corresponding of the drawings of the present application, in order to facilitate the description of the utility model, it needs to be understood that if there are terms such as "end", "side", "end part", "side part", "transverse", "longitudinal" and the like indicate the orientation or positional relationship, only the length and width of the corresponding components, that is, "end part" indicates the head-tail area of the length direction of the corresponding component, "side part" indicates the head-tail area of the width direction of the corresponding component, in order to facilitate the description of the utility model, not to indicate or imply that the device or element must have a particular orientation.

[0029] Example one, combined with the attached Figure 1 A six-face top press pin shaft ejection device, including U-shaped frame 1, the middle part of one side wall of U-shaped frame 1 is vertically screwed with lead screw 2, the position of lead screw 2 inside U-shaped frame 1 is screwed with ejector rod 3, and ejector rod 3 is slidably connected with U-shaped frame 1, and the outer end of lead screw 2 is provided with rotating part 21;The middle part of the other side wall of U-shaped frame 1 is provided with let hole 11 for the pin shaft to pass through;Among them, the screw thread matched by lead screw 2 and ejector rod 3 is opposite to the screw thread matched by lead screw 2 and U-shaped frame 1. That is, when ejecting the pin shaft, rotating part 21 rotates lead screw 2, lead screw 2 moves to the direction of the pin shaft, and at the same time, ejector rod 3 also moves to the direction of the pin shaft relative to lead screw 2 to eject the pin shaft.

[0030] According to the need, the main body of U-shaped frame 1 is provided with sliding slot 12 along the length direction thereof, and the inner end of ejector rod 3 is provided with limiting rod 7, the outer end of which is inserted into the slot cavity of sliding slot 12. That is, the rotation of ejector rod 3 following the rotation of lead screw 2 can be prevented by the cooperation of limiting rod 7 and sliding slot 12.

[0031] Since the screw thread matched by lead screw 2 and ejector rod 3 is opposite to the screw thread matched by lead screw 2 and U-shaped frame 1, ejector rod 3 can eject the pin shaft faster, improving the ejection efficiency.

[0032] Example two, combined with the attached Figures 2-7, a six-face press pin shaft ejection device, based on embodiment one, the side wall inner wall surface of the clearance hole 11 of the U-shaped frame 1 is provided with a first suction accessory 4 capable of being adsorbed to the hinge beam lug plate; according to the needs, the first suction accessory 4 adopts an electromagnet or a permanent magnet. That is, the hinge beam lug plate can be adsorbed by the first suction accessory 4 before the rotating screw rod 2, so as to realize the preliminary positioning of the ejection device.

[0033] Further, the top rod 3 is provided with a second suction accessory 5 capable of being adsorbed to the end surface of the pin shaft; according to the needs, the second suction accessory 5 adopts an electromagnet or a permanent magnet. That is, the pin shaft can be adsorbed by the second suction accessory 5 before the rotating screw rod 2, so as to realize the preliminary positioning of the ejection device.

[0034] Embodiment three, combined with the attached Figures 2-7 , a six-face press pin shaft ejection device, based on embodiment one or two, the top rod 3 includes an inner end portion screwed to the outer cylinder 31 of the screw rod 2, the outer cylinder 31 inner cavity is slidably connected with the top-out cylinder 32 extending outward, and the outer cylinder 31 inner cavity inner end and the top-out cylinder 32 inner end are provided with a compression spring 33.

[0035] In this way, when the pin shaft is ejected, when the gap between the pin shaft and the hinge beam lug hole appears, the compression spring 33 can drive the top-out cylinder 32 to quickly eject the pin shaft, thereby improving the ejection efficiency.

[0036] When implemented on the basis of embodiment one, the compression spring 33 drives the top-out cylinder 32 to press the pin shaft, and cooperates with the side plate of the U-shaped frame 1 having the clearance hole 11 to realize the function of clamping the hinge beam lug plate, thereby realizing the positioning function of the ejection device.

[0037] When implemented on the basis of embodiment two, the second suction accessory 5 is arranged on the outer end surface of the top-out cylinder 32.

[0038] Embodiment four, combined with the attached Figures 2-7 , a six-face press pin shaft ejection device, based on any one of embodiments one to three, in order to prevent the ejected pin shaft from falling, the side wall outer wall surface of the clearance hole 11 of the U-shaped frame 1 is provided with a receiving structure 6 for receiving the pin shaft;

[0039] The receiving structure 6 includes an end plate 61, a plurality of vertical connecting rods 62 are arranged on the outer edge portion of the end plate 61 along the circumferential direction, and the connecting rods 62 are correspondingly connected to the side wall of the U-shaped frame 1 having the clearance hole 11. That is, the ejected pin shaft can be received by the cavity inside the end plate 61 and the plurality of connecting rods 62, so as to prevent the pin shaft from falling.

[0040] Embodiment five, combined with the attached Figures 2-7In order to reduce the volume of the ejection device when idle, the side wall of the U-shaped frame 1 with the clearance hole 11 is rotationally connected to the main body of the U-shaped frame 1, that is, when not in use, the side wall of the U-shaped frame 1 with the clearance hole 11 is rotated to make the bearing structure 6 located inside the U-shaped frame 1, and the lead screw 2 is rotated to make the ejector rod 3 enter and exit the cavity formed between the plurality of connecting rods 62, preventing the side wall of the U-shaped frame 1 with the clearance hole 11 from rotating freely.

[0041] The part not described in detail of the utility model is the prior art, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, and all changes falling within the meaning and scope of equivalent elements should be included in the utility model.

Claims

1. A pin ejection device for a six-sided ejector, characterized in that: The invention comprises a U-shaped frame (1), wherein a screw rod (2) is vertically screwed in the middle of one side wall of the U-shaped frame (1), a push rod (3) is screwed in a position inside the screw rod (2) and the push rod (3) is slidably connected to the U-shaped frame (1), and a rotating portion (21) is provided at the outer end of the screw rod (2); a clearance hole (11) for a pin shaft to pass through is provided in the middle of the other side wall of the U-shaped frame (1); The thread of the screw rod (2) and the push rod (3) is matched with each other in a direction opposite to the thread of the screw rod (2) and the U-shaped frame (1).

2. The pin ejection device of the six-sided ejector according to claim 1, characterized in that: The inner wall surface of the side wall of the U-shaped frame (1) having the clearance hole (11) is provided with a first adsorption component (4) capable of being adsorbed on the hinge beam ear plate.

3. The pin ejection device of the six-sided ejector according to claim 1, characterized in that: The fixed end of the push rod (3) is provided with a second adsorption member (5) capable of being adsorbed on the end surface of the pin shaft.

4. The pin ejection device of a six-sided ejector according to claim 1 or 3, characterized in that: The ejector rod (3) comprises an outer cylinder (31) whose inner end is screwed to the screw rod (2); an ejector cylinder (32) extending from the outer end is slidably connected to the inner cavity of the outer cylinder (31); and a compression spring (33) is provided between the inner end of the inner cavity of the outer cylinder (31) and the inner end of the ejector cylinder (32).

5. The pin ejection device of the six-sided ejector according to claim 1, characterized in that: The U-shaped frame (1) has a side wall outer surface with a clearance hole (11) provided with a receiving structure (6) for receiving a pin shaft.

6. The pin ejection device of the six-sided ejector according to claim 5, characterized in that: The receiving structure (6) comprises an end plate (61), and a plurality of vertically penetrating connecting rods (62) are provided along the circumference of the outer edge of the end plate (61), and the connecting rods (62) are correspondingly connected to the side wall of the U-shaped frame (1) having the clearance hole (11).

7. The pin ejection device of the six-sided ejector according to claim 6, characterized in that: The side wall of the U-shaped frame (1) having the clearance hole (11) is rotatably connected to the main body of the U-shaped frame (1).

8. The pin ejection device of a six-sided ejector according to claim 1, characterized in that: The U-shaped frame (1) body is provided with a slide groove (12) along its length direction, and the inner end of the push rod (3) is provided with a limiting rod (7) whose outer end is inserted into the groove cavity of the slide groove (12).

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