Automatic die opening and closing device for forging

Abstract

The utility model relates to an automatic die opening and closing device for forging, which belongs to the technical field of dies and comprises a lower backing plate, an adjusting and using mechanism is arranged on the lower backing plate and comprises a lower die holder fixedly mounted at the top of the lower backing plate, and a die opening and closing oil cylinder is fixedly mounted at the top of the lower die holder. A locking oil cylinder located on the left side of the mold opening and closing oil cylinder is fixedly installed at the top of the lower mold base, and a lower mold is arranged at the top of the lower mold base. According to the automatic die opening and closing device for forging, through the arranged adjusting and using mechanism, under mutual cooperation of all structures on the lower cushion plate and the upper die base, die opening, closing and die closing operation can be achieved, automatic control over die opening and closing is achieved under the action of a die opening and closing oil cylinder and a locking oil cylinder, and therefore the die opening and closing operation efficiency of the die is effectively improved, and the die opening and closing efficiency is improved. And moreover, the automation degree of the equipment is improved, automatic linkage with the press machine is achieved, and therefore the use practical performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and particularly relates to a forging automatic mold opening and closing device. Background Art

[0002] A mold is various molds and tools used in industrial production for injection molding, blow molding, extrusion, die casting, forging, smelting, stamping and other methods to obtain required products. In short, a mold is a tool for making formed articles. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the external shape of articles by changing the physical state of the formed material, and is known as the "mother of industry". It is a tool that makes a blank into a workpiece with a specific shape and size under the action of external force.

[0003] In many cases, the existing red-hot forging parts need to open and close the mold, and the opening and closing of the mold are all manually operated. On the one hand, the production efficiency is not high. On the other hand, a large number of workers are required and the production environment is relatively harsh. In order to adapt to the current development of industrial automation, it is necessary to improve production efficiency and reduce labor costs. Therefore, a forging automatic mold opening and closing device is proposed to solve the above technical problems. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a forging automatic mold opening and closing device, which has the advantages of simple structure, safe operation, labor cost saving, production efficiency improvement, good versatility, etc., and solves the problems that the opening and closing of the mold are all manually operated, on the one hand, the production efficiency is not high, on the other hand, a large number of workers are required, the production environment is relatively harsh, the production efficiency is low, and the production cost is relatively high.

[0005] To achieve the above object, the utility model provides the following technical solution: A forging automatic mold opening and closing device, including a lower backing plate, and an adjusting and using mechanism is arranged on the lower backing plate;

[0006] The adjusting and using mechanism includes a lower mold base fixedly installed on the top of the lower backing plate, an opening and closing mold oil cylinder fixedly installed on the top of the lower mold base, a locking oil cylinder fixedly installed on the top of the lower mold base and located on the left side of the opening and closing mold oil cylinder, a lower mold is arranged on the top of the lower mold base, a split outer mold is arranged on the outside of the lower mold, and an outer mold locking sleeve assembly is arranged on the top of the lower mold;

[0007] An outer flange is sleeved on the outside of the outer mold locking sleeve assembly, an upper mold base is fixedly connected to the top of the outer flange, a lower mold cushion is arranged inside the lower mold, a workpiece is placed on the top of the lower mold cushion, and a split mold core is arranged on the outside of the workpiece and inside the split outer mold.

[0008] Further, the adjustment and use mechanism further includes a punch set disposed inside the outer mold locking sleeve assembly, and a spring is disposed inside the outer flange.

[0009] Further, the outer mold locking sleeve assembly is composed of a replaceable locking sleeve head and a locking sleeve body, and the locking sleeve body is located at the top of the replaceable locking sleeve head.

[0010] Further, the punch set is composed of a replaceable punch and a punch seat. The punch seat is located at the top of the replaceable punch, and a spring is wrapped around the outside of the punch seat.

[0011] Further, a docking block is provided on the output shaft of the locking oil cylinder, and a docking groove is provided inside the docking block.

[0012] Further, the left side of the split-type outer mold is a disconnection structure, and the right side of the split-type outer mold is hinged to the mold opening and closing oil cylinder.

[0013] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0014] In this forging automatic mold opening and closing device, through the adjustment and use mechanism provided, with the mutual cooperation of each structure between the lower backing plate and the upper mold base, the opening and closing and mold clamping operations of the mold can be realized. Under the action of the mold opening and closing oil cylinder and the locking oil cylinder, the automatic control of the mold opening and closing is realized, thereby effectively improving the efficiency of the mold opening and closing operation, helping to reduce the input of labor costs, and improving the automation degree of the equipment, realizing the automatic linkage with the press, and thus improving the practical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic cross-sectional view of the structure of the present utility model;

[0016] Figure 2 is a schematic three-dimensional view of the structure of the present utility model;

[0017] Figure 3 is a schematic three-dimensional view of the split-type outer mold structure of the present utility model.

[0018] In the figure: 1, lower backing plate; 2, lower mold base; 3, mold opening and closing oil cylinder; 4, locking oil cylinder; 5, lower mold; 6, split-type outer mold; 7, outer mold locking sleeve assembly; 701, replaceable locking sleeve head; 702, locking sleeve body; 8, outer flange; 9, upper mold base; 10, lower mold cushion; 11, workpiece; 12, split-type mold core; 13, punch set; 1301, replaceable punch; 1302, punch seat; 14, spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1 to 3 , a forging automatic opening and closing die device in this embodiment includes a lower backing plate 1, and an adjusting and using mechanism is arranged on the lower backing plate 1.

[0021] Please refer to Figure 1 , Figure 2 and Figure 3 , the adjusting and using mechanism includes a lower die base 2 fixedly installed on the top of the lower backing plate 1. A die opening and closing oil cylinder 3 is fixedly installed on the top of the lower die base 2. A locking oil cylinder 4 is fixedly installed on the top of the lower die base 2 and is located on the left side of the die opening and closing oil cylinder 3. A lower die 5 is arranged on the top of the lower die base 2. A split outer die 6 is arranged on the outside of the lower die 5. A docking block is arranged on the output shaft of the locking oil cylinder 4, and a docking groove is opened inside the docking block, which is convenient for realizing the plug-in fixation with the split outer die 6 through the docking block.

[0022] Among them, the left side of the split outer die 6 is a discontinuous structure. The right side of the split outer die 6 is hinged with the die opening and closing oil cylinder 3, which is convenient for realizing the opening and closing of the split outer die 6 through the die opening and closing oil cylinder 3. An outer die locking sleeve assembly 7 is arranged on the top of the lower die 5. The outer die locking sleeve assembly 7 is composed of a replaceable locking sleeve head 701 and a locking sleeve body 702. The locking sleeve body 702 is located on the top of the replaceable locking sleeve head 701.

[0023] Among them, an outer flange 8 is sleeved on the outside of the outer die locking sleeve assembly 7. An upper die base 9 is fixedly connected to the top of the outer flange 8. A lower die cushion 10 is arranged inside the lower die 5. A workpiece 11 is placed on the top of the lower die cushion 10. A split die core 12 is arranged on the outside of the workpiece 11 and is located inside the split outer die 6.

[0024] In this embodiment, the adjusting and using mechanism further includes a punch group 13 arranged inside the outer die locking sleeve assembly 7. A spring 14 is arranged inside the outer flange 8. The punch group 13 is composed of a replaceable punch 1301 and a punch seat 1302. The punch seat 1302 is located on the top of the replaceable punch 1301. The outside of the punch seat 1302 is covered with a spring 14.

[0025] It should be added that the forging die opening and closing is mainly composed of a hydraulic station, a die opening and closing cylinder 3, a locking cylinder 4, an outer die locking sleeve assembly 7, an electrical control system, etc. The die opening and closing cylinder 3 and the locking cylinder 4 are fixed on the lower die base 2. The die opening and closing cylinder 3 can open or close the split outer die 6 to facilitate the placement of parts. Sensors are installed for opening and closing to detect signals; the locking cylinder 4 can lock the split outer die 6 through the locking head at the head end; there is a small step on the lower die pad 10 to facilitate positioning when placing parts, and the locking cylinder 4 There are sensor detection signals in both locking and releasing positions; the split mold core 12 is respectively fixed on two split outer molds 6; the outer mold locking sleeve assembly 7 is a split structure, which is convenient for replacing the locking sleeve head after wear; the punch group 13 can also be made into a split structure, which is convenient for replacing the punch head after wear; the outer mold locking sleeve assembly 7 can slide in the inner cylindrical surface of the outer flange 8; the outer mold locking sleeve assembly 7 is equipped with a spring 14; the outer mold locking sleeve assembly 7 and the punch group 13 are fixed on the upper mold base 9 through positioning steps.

[0026] It should be noted that the forging automatic die opening and closing device, through the adjustment and use mechanism set up, can realize the opening and closing and closing operations of the mold under the mutual cooperation between the various structures on the lower pad 1 and the upper mold base 9, and realizes automatic control of the opening and closing of the mold under the action of the mold opening and closing cylinder 3 and the locking cylinder 4, thereby effectively improving the efficiency of the mold opening and closing operations, helping to reduce the investment in labor costs, and improving the degree of automation of the equipment, realizing automatic linkage with the press, thereby improving practical performance.

[0027] The working principle of the above embodiment is:

[0028] The automatic die opening and closing device for forging, first, the locking cylinder 4 is opened to the loose position, the die opening and closing cylinder 3 opens the split outer die 6, after the workpiece 11 is put in, the die opening and closing cylinder 3 is actuated to close the split outer die 6, when the die is closed in place, the locking cylinder 4 is then actuated, the locking head locks the split outer die 6, and then moves downward, under the action of the spring 14, the outer die locking sleeve assembly 7 first contacts the upper part of the outer die, the locking ring at the lower part of the outer die locking sleeve assembly 7 is sleeved on the upper end of the split outer die 6 and It is locked, the slider continues to descend, the punch group 13 contacts the workpiece 11, and the extrusion molding is completed. Subsequently, the slider rises, the punch group 13 returns, and the outer mold locking sleeve assembly 7 continues to remain locked under the action of the spring 14 until the outer mold locking sleeve assembly 7 is completely separated from the split outer mold 6 as the slider rises. Finally, the locking cylinder 4 returns, the locking head is separated from the locking position, and the opening and closing mold cylinder 3 opens the split outer mold 6 and takes out the workpiece 11, thereby completing the opening and closing mold operation of the workpiece 11 processing.

[0029] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A forging automatic die opening and closing device, comprising a lower plate (1), characterized in that: The lower pad (1) is provided with an adjustment mechanism; The adjustment mechanism comprises a lower die base (2) fixedly mounted on the top of the lower pad (1); a die opening and closing oil cylinder (3) is fixedly mounted on the top of the lower die base (2); a locking oil cylinder (4) located on the left side of the die opening and closing oil cylinder (3) is fixedly mounted on the top of the lower die base (2); a lower die (5) is arranged on the top of the lower die base (2); a split outer die (6) is arranged on the outer side of the lower die (5); and an outer die locking sleeve assembly (7) is arranged on the top of the lower die (5); The outer side of the outer mold locking sleeve assembly (7) is sleeved with an outer flange (8), the top of the outer flange (8) is fixedly connected to an upper mold base (9), the interior of the lower mold (5) is provided with a lower mold cushion mold (10), a workpiece (11) is placed on the top of the lower mold cushion mold (10), and the outer side of the workpiece (11) is provided with a split mold core (12) located inside the split outer mold (6).

2. The automatic forging die opening and closing device according to claim 1, characterized in that: The adjustment mechanism also includes a punch assembly (13) arranged inside the outer mold locking sleeve assembly (7), and a spring (14) is arranged inside the outer flange (8).

3. The automatic forging die opening and closing device according to claim 1 is characterized in that: The outer mold locking sleeve assembly (7) is composed of a replaceable locking sleeve head (701) and a locking sleeve body (702), and the locking sleeve body (702) is located on the top of the replaceable locking sleeve head (701).

4. The automatic forging die opening and closing device according to claim 2 is characterized in that: The punch assembly (13) is composed of a replaceable punch (1301) and a punch seat (1302), wherein the punch seat (1302) is located on the top of the replaceable punch (1301), and the outer side of the punch seat (1302) is covered with a spring (14).

5. The automatic forging die opening and closing device according to claim 1 is characterized in that: A docking block is arranged on the output shaft of the locking oil cylinder (4), and a docking groove is arranged inside the docking block.

6. The automatic forging die opening and closing device according to claim 1, characterized in that: The left side of the split outer mold (6) is a disconnected structure, and the right side of the split outer mold (6) is hinged to the mold opening and closing cylinder (3).

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