Automatic squeezing structure of a ladder squeezing device

Abstract

The present invention discloses an automatic squeezing structure of a ladder squeezing device, comprising a squeezing station and squeezing components arranged on both sides of the squeezing station; further comprising a single pipe fixing mechanism for fixing the pipe placed in the squeezing station; the squeezing component is used to squeeze both ends of the fixed pipe; the present application sets an adjustable squeezing station and squeezing components arranged on both sides of the squeezing station; automatic squeezing can be realized, and the squeezing station can be adjusted according to different pipe sizes and squeezing degrees; the degree of automation is high, and the squeezing of pipes can be completed efficiently.

Description

Technical Field

[0001] The invention relates to the field of ladder manufacturing equipment, and more particularly to an automatic extrusion structure of an extrusion equipment for ladders. Background Art

[0002] When preparing pipe fittings for ladder steps, it is necessary to perform extrusion on both ends of the pipe fittings to form a step. In the prior art, when extruding the ladder pipe fittings, it is necessary to manually place the pipe fittings one by one into the extrusion position of the extruder; when the extrusion is completed, the extruded pipe fittings are manually taken out and flow into the next process; the disadvantage of this production process is that it requires a lot of labor, and secondly, deviations are prone to occur during manual placement, which leads to an increase in the scrap rate. Therefore, a set of equipment that can automatically complete the extrusion is needed, which can efficiently and accurately complete the extrusion of pipe fittings. Summary of the invention

[0003] The object of the present invention is to provide an automatic squeezing structure of a ladder squeezing device, aiming to effectively solve the problems in the prior art.

[0004] To solve the above problems, the present invention adopts the following technical solutions:

[0005] The camming device is a ladder mounted on a work platform and has a plurality of locking members, each of which is provided with a plurality of locking members, each of which is provided with a plurality of locking members, each of which is provided with a plurality of locking members. The camming device is configured to lock the locking member and the locking member together. The camming device is configured to lock the locking member and the locking member.

[0006] The piercing assembly includes a fourth cylinder, a push rod is connected to the piston rod of the fourth cylinder, and a clamping surface is arranged on the rear end of the push rod. After the pipe fitting is fixed, the push rod is inserted into the pipe fitting, and the front end of the pipe fitting is against the clamping surface; and there is an piercing gap between the end face of the push rod and the edge of the clamping port of the pipe fitting; the clamping surface squeezes the pipe fitting, and the piercing gap expands outwards due to the squeezing effect to form a step to complete the piercing.

[0007] Among them, a guide block, a connecting block and a pressing block are arranged on the piston rod of the fourth cylinder from the inside to the outside in sequence; a guide rod is arranged on the end surface of the fourth cylinder, and the guide block is connected to the guide rod.

[0008] Preferably, the lifting mechanism includes a second mounting base, the fixed upper mold is fixedly connected to the second mounting base, the top of the second mounting base is connected to the second cylinder through a cylinder mounting seat, and the fixed upper mold is driven up and down by the second cylinder, and the two ends of the cylinder mounting seat are clamped and fixed to the two side mounting plates.

[0009] Among them, a limiting column and a limiting hole are respectively arranged on the fixed upper mold and the fixed lower mold. When the fixed upper mold and the fixed lower mold are pressed tightly, the limiting column is placed in the limiting hole; it also includes an upper limit block and a limiting groove are respectively arranged on the fixed upper mold and the fixed lower mold. When the fixed upper mold and the fixed lower mold are pressed tightly, the limiting block is placed in the limiting groove.

[0010] Preferably, the jacking and squeezing stations include two groups, and the single pipe fixing mechanisms are respectively provided above the two groups of jacking and squeezing stations; two groups of jacking and squeezing stations are provided to facilitate the placement of longer pipes.

[0011] Preferably, it also includes a material pushing mechanism, which includes a third cylinder, the cylinder body of the third cylinder is fixed on the clamping plate, and the piston rod thereof is located on the side of the accommodating groove. After the pipe fitting is placed, the piston rod thereof is located below the pipe fitting.

[0012] There may be two groups of ejection components, which correspond to the front and rear ends of the pipe fitting respectively, so as to facilitate ejection of the pipe fitting when the pipe fitting is stuck.

[0013] Since different pipe fittings require different degrees of piercing, different degrees of piercing can be achieved by adjusting the distance between the two piercing stations; during installation, the side mounting plates include two groups, namely the left side mounting plate and the right side mounting plate, and the left and right side mounting plates are respectively connected to a group of piercing stations and a single pipe fixing mechanism; wherein the left and right side mounting plates are provided with limited adjustment grooves, and the distance between the two groups of piercing stations and the single pipe fixing mechanism can be adjusted by adjusting the position of the left and right side mounting plates on the frame base.

[0014] Compared with the prior art, the advantages of the present invention are: the present application provides an adjustable piercing station, and piercing components arranged on both sides of the piercing station; automatic piercing can be achieved, and the piercing station can be adjusted according to different pipe sizes and piercing degrees; the degree of automation is high, and the piercing of pipes can be completed efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the installation structure of the present invention;

[0016] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of A;

[0017] Figure 3 It is a structural schematic diagram of the present invention;

[0018] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of B;

[0019] Figure 5 It is a schematic diagram of the structure of the pier extrusion assembly of the present invention;

[0020] Figure 6 It is a schematic diagram of the structure of the side mounting plate of the present invention. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Embodiment 1:

[0025] An automatic extrusion structure for ladder extrusion equipment includes an extrusion station 3 and extrusion assemblies 4 arranged on both sides of the extrusion station; and a single pipe fixing mechanism 5 for fixing the pipe placed in the extrusion station; the extrusion assembly 4 is used to extrude both ends of the fixed pipe.

[0026] It comprises a working platform 6, on which a frame base 7 is arranged, on which a plurality of clamping plates 8 are arranged at intervals, on which two side mounting plates 9 are fixed, and the piercing station comprises a first mounting base 301 clamped on the two side mounting plates, on which a fixed lower die 302 is fixed, and on which a receiving groove 303 for placing pipe fittings is arranged; the single pipe fitting fixing mechanism comprises a fixed upper die 304 arranged in cooperation with the fixed lower die, and on which a receiving groove is also arranged for clamping the pipe fittings;

[0027] The fixed upper die is connected to a lifting mechanism, which drives the fixed upper die to move up and down through the lifting mechanism, and is engaged and disengaged with the fixed lower die, so as to clamp or release the pipe fitting. The lifting mechanism includes a second mounting base 305, and the fixed upper die is fixedly connected to the second mounting base. The top of the second mounting base is connected to a second cylinder 306 through a cylinder mounting seat, and the fixed upper die is driven to move up and down through the second cylinder. The two ends of the cylinder mounting seat are clamped and fixed with the mounting plates on both sides; wherein, a limiting column 307 and a limiting hole 308 are respectively arranged on the fixed upper die and the fixed lower die, and when the fixed upper die and the fixed lower die are pressed, the limiting column is placed in the limiting hole; and also includes upper limit blocks and limiting grooves respectively arranged on the fixed upper die and the fixed lower die, and when the fixed upper die and the fixed lower die are pressed, the limiting block is placed in the limiting groove, so as to lock the fixed upper die and the fixed lower die.

[0028] It also includes a material ejection mechanism, which includes a third cylinder 10. The third cylinder body is fixed on the clamping plate, and its piston rod is located on the side of the accommodating groove. After the pipe is placed, its piston rod is located below the pipe.

[0029] There may be two groups of ejection components, which correspond to the front and rear ends of the pipe fitting respectively, so as to facilitate ejection of the pipe fitting when the pipe fitting is stuck.

[0030] The piercing assembly includes a fourth cylinder 401, and a push rod 402 is connected to the piston rod of the fourth cylinder. A clamping surface 403 is arranged on the rear end of the push rod. After the pipe fitting is fixed, the push rod is inserted into the pipe fitting, and the front end of the pipe fitting is against the clamping surface; and there is an piercing gap between the end face of the push rod and the edge of the clamping port of the pipe fitting; the clamping surface squeezes the pipe fitting, and the piercing gap expands outward due to the squeezing effect to form a step to complete the piercing.

[0031] Among them, the fourth cylinder piston rod is provided with a guide block 404, a connection block 406 and a clamping block 406 in sequence from the inside to the outside; a guide rod 407 is provided on the end surface of the fourth cylinder, and the guide block is connected to the guide rod.

[0032] The piercing stations include two groups, and the above-mentioned single pipe fixing mechanisms are respectively arranged on the top of the two groups of piercing stations; two groups of piercing stations are arranged to facilitate the placement of longer pipes. Since different pipes require different degrees of piercing, different degrees of piercing can be achieved by adjusting the distance between the two piercing stations; during installation, the side mounting plates include two groups, such as Figure 1 As shown, there are a left side mounting plate 1110 and a right side mounting plate 1111, which are connected to each other by a connecting rod; a group of piercing stations and a single pipe fixing mechanism are respectively connected to the left and right side mounting plates; wherein the left and right side mounting plates are provided with limit adjustment grooves 1112, and the distance between the two groups of piercing stations and the single pipe fixing mechanism can be adjusted by adjusting the positions of the left and right side mounting plates on the frame base.

[0033] Embodiment 2: This embodiment mainly introduces the specific structure of the pier extrusion equipment installed with the pier extrusion structure of the present application;

[0034] See also Figure 1-6 ,

[0035] An automatic squeezing structure of a ladder squeezing device, comprising an automatic pipe conveying unit 1, a single pipe taking unit 2, a squeezing station 3, and squeezing components 4 arranged on both sides of the squeezing station; the single pipe taking unit 2 is used to place a single pipe in the automatic pipe conveying unit in the squeezing station 3; and also includes a single pipe fixing mechanism 5 for fixing the pipe placed in the squeezing station; the squeezing component 4 is used to squeeze both ends of the fixed pipe, and the single pipe taking unit includes a fixing frame Component 500, a slide rail fixing plate 501 is arranged on the fixed frame component along the pipe conveying direction, a slide rail 502 is fixed on the slide rail fixing plate, a pneumatic clamp component 503 is interactively connected to the slide rail, the pneumatic clamp component includes a pneumatic clamp 504, a piston rod of a first cylinder 505 is connected to the top of the pneumatic clamp 504, a fixed mounting plate 506 is connected to the end of the first cylinder, the fixed mounting plate is connected to the slide rail through a slider 507; and a propulsion cylinder 507 is connected to the fixed mounting plate 506.

[0036] The fixed mounting plate is connected to two sets of pneumatic clamp assemblies, such as Figure 2 As shown, two groups of pneumatic clamp assemblies are arranged front and back; one group of pneumatic clamp assemblies is used to clamp the pipe fittings from the pipe fitting automatic conveying unit to the jacking station, and the other group of pneumatic clamp assemblies clamps the pipe fittings that have been jacked out from the jacking station to the feeding place; the two groups of pneumatic clamp assemblies act in coordination;

[0037] It comprises a working platform 6, on which a frame base 7 is arranged, on which a plurality of clamping plates 8 are arranged at intervals, on which two side mounting plates 9 are fixed, and the piercing station comprises a first mounting base 301 clamped on the two side mounting plates, on which a fixed lower die 302 is fixed, and on which a receiving groove 303 for placing pipe fittings is arranged; the single pipe fitting fixing mechanism comprises a fixed upper die 304 arranged in cooperation with the fixed lower die, and on which a receiving groove is also arranged for clamping the pipe fittings;

[0038] The fixed upper die is connected to a lifting mechanism, which drives the fixed upper die to move up and down through the lifting mechanism, and is engaged and disengaged with the fixed lower die, so as to clamp or release the pipe fitting. The lifting mechanism includes a second mounting base 305, and the fixed upper die is fixedly connected to the second mounting base. The top of the second mounting base is connected to a second cylinder 306 through a cylinder mounting seat, and the fixed upper die is driven to move up and down through the second cylinder. The two ends of the cylinder mounting seat are clamped and fixed with the mounting plates on both sides; wherein, a limiting column 307 and a limiting hole 308 are respectively arranged on the fixed upper die and the fixed lower die, and when the fixed upper die and the fixed lower die are pressed, the limiting column is placed in the limiting hole; and also includes upper limit blocks and limiting grooves respectively arranged on the fixed upper die and the fixed lower die, and when the fixed upper die and the fixed lower die are pressed, the limiting block is placed in the limiting groove, so as to lock the fixed upper die and the fixed lower die.

[0039] It also includes a material ejection mechanism, which includes a third cylinder 10. The third cylinder body is fixed on the clamping plate, and its piston rod is located on the side of the accommodating groove. After the pipe is placed, its piston rod is located below the pipe.

[0040] There may be two groups of ejection components, which correspond to the front and rear ends of the pipe fitting respectively, so as to facilitate ejection of the pipe fitting when the pipe fitting is stuck.

[0041] The piercing assembly includes a fourth cylinder 401, and a push rod 402 is connected to the piston rod of the fourth cylinder. A clamping surface 403 is arranged on the rear end of the push rod. After the pipe fitting is fixed, the push rod is inserted into the pipe fitting, and the front end of the pipe fitting is against the clamping surface; and there is an piercing gap between the end face of the push rod and the edge of the clamping port of the pipe fitting; the clamping surface squeezes the pipe fitting, and the piercing gap expands outward due to the squeezing effect to form a step to complete the piercing.

[0042] Among them, the fourth cylinder piston rod is provided with a guide block 404, a connection block 406 and a clamping block 406 in sequence from the inside to the outside; a guide rod 407 is provided on the end surface of the fourth cylinder, and the guide block is connected to the guide rod.

[0043] The piercing stations include two groups, and the above-mentioned single pipe fixing mechanisms are respectively arranged on the top of the two groups of piercing stations; two groups of piercing stations are arranged to facilitate the placement of longer pipes. Since different pipes require different degrees of piercing, different degrees of piercing can be achieved by adjusting the distance between the two piercing stations; during installation, the side mounting plates include two groups, such as Figure 1 As shown, there are a left side mounting plate 1110 and a right side mounting plate 1111, which are connected to each other by a connecting rod; a group of piercing stations and a single pipe fixing mechanism are respectively connected to the left and right side mounting plates; wherein the left and right side mounting plates are provided with limit adjustment grooves 1112, and the distance between the two groups of piercing stations and the single pipe fixing mechanism can be adjusted by adjusting the positions of the left and right side mounting plates on the frame base.

[0044] The automatic pipe conveying unit includes a support seat 1001, to which a conveying chain 1002 is connected. A plurality of pipe brackets 1003 are fixedly connected to the conveying chain. The pipes are placed on the pipe brackets, and pipe limiting rods 1004 are arranged on the outer sides of both ends of the brackets. The pipe limiting rods are fixed on the top surface of the support seat.

[0045] It comprises two conveying chains, both of which are fixed with pipe brackets, and the pipe brackets on the two conveying chains are arranged opposite to each other in pairs to form pipe bracket units, and a plurality of pipe bracket units are sequentially arranged at intervals on the conveying chains.

[0046] The pipe bracket is fixed on the conveying chain through a connecting piece 1005, and the connecting piece is riveted to the chain; the pipe limiting rod is connected to the side rod on the top surface of the support seat through an L-shaped fixing piece 1006.

[0047] Among them, two side rods 1007 are fixed on both sides of the top surface of the support seat, and transmission rods 1008 are arranged on the front and rear ends between the two side rods. Transmission gears 1009 are arranged on both transmission rods, and the conveying chain transmission is connected to the transmission gears, wherein a driving motor is arranged on the front transmission rod to drive the conveying chain to move.

[0048] It also includes a material discharge mechanism, which includes an inclined material discharge plate 15, and a material discharge trough is arranged at the lower end of the material discharge plate.

[0049] The above are only preferred specific implementation modes 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 according to the technical solutions and improved concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic squeezing structure for a ladder squeezing device, characterized in that: The jacking station comprises a first mounting base which is clamped on the second mounting base and a second mounting base which is fixed on the second mounting base, and a fixed lower mold is fixed on the first mounting base, and a receiving groove for placing the pipe fittings is arranged on the fixed lower mold; the single pipe fitting fixing mechanism comprises a fixed upper mold which is arranged in cooperation with the fixed lower mold, and the fixed upper mold is connected to a lifting mechanism, and the fixed upper mold is driven up and down by the lifting mechanism to engage and disengage with the fixed lower mold to clamp or release the pipe fittings; the jacking assembly comprises a fourth cylinder, and a push rod is connected to the piston rod of the fourth cylinder, and a rear end of the push rod is provided with a The pressing surface, after the pipe fitting is fixed, the push rod penetrates into the pipe fitting, and the front end of the pipe fitting is against the pressing surface; and there is an extrusion gap between the end face of the push rod and the edge of the pressing port of the pipe fitting; the pressing surface squeezes the pipe fitting, and the extrusion gap is stretched outward to form a step due to the extrusion effect to complete the extrusion; the lifting mechanism includes a second mounting base, the fixed upper mold is fixedly connected to the second mounting base, the top of the second mounting base is connected to the second cylinder through the cylinder mounting base, and the fixed upper mold is driven up and down by the second cylinder, and the two ends of the cylinder mounting base are clamped and fixed with the mounting plates on both sides; the extrusion station includes two groups, and the single pipe fixing mechanism is respectively arranged above the two groups of extrusion stations; two groups of extrusion stations are arranged to facilitate the placement of longer pipe fittings; it also includes a pushing mechanism, and the pushing mechanism includes a third cylinder, the cylinder body of the third cylinder is fixed on the clamping plate, and its piston rod is located on the side of the accommodating groove. After the pipe fitting is placed, its piston rod is located below the pipe fitting; It also includes an automatic pipe conveying unit and a single pipe picking unit; the single pipe picking unit is used to place a single pipe in the automatic pipe conveying unit in the extrusion station; it also includes a single pipe fixing mechanism, which is used to fix the pipe placed in the extrusion station, and the single pipe picking unit includes a fixing frame assembly, and a slide rail fixing plate is arranged on the fixing frame assembly along the pipe conveying direction, and a slide rail is fixed on the slide rail fixing plate, and a pneumatic clamp assembly is interactively connected to the slide rail, and the pneumatic clamp assembly includes a pneumatic clamp, and the piston rod of a first cylinder is connected to the top of the pneumatic clamp, and the end of the first cylinder is connected to a fixed mounting plate, and the fixed mounting plate is connected to the slide rail through a slider; and a thrust cylinder is connected to the fixed mounting plate.

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