CN216540477U - Cold press molding die for lead pipe of storage battery terminal - Google Patents

Abstract

A cold press molding die for a lead pipe of a storage battery terminal comprises a movable die and a static die; the movable die is provided with a movable die frame, a support frame, a movable die plate, a die core, an ejector plate and a workpiece locking mechanism, the movable die plate is fixedly assembled with the movable die frame through the support frames arranged on the left side and the right side, the movable die frame is assembled with a driving part of a press machine, the die core is arranged in a plurality of groups in an up-down arrangement mode and is all arranged on the ejector plate, a lead pipe workpiece is sleeved on the die core and is fixed through the workpiece locking mechanism before die pressing operation, and the ejector plate is fixed on the support frames on the left side and the right side; the static die is provided with a static die frame and a cavity die plate, the cavity die plate is fixedly installed on the working table surface of the press machine through the static die frame, and a cavity corresponding to the position of a core on the movable die plate is arranged on the cavity die plate. According to the utility model, through the optimized design of the cold press molding die structure, the stability of the product size is ensured, and the purposes of improving the product quality and the production efficiency are achieved.

Description

Cold press molding die for lead pipe of storage battery terminal

Technical Field

The utility model relates to a die for producing storage battery parts, in particular to a die for cold press molding of a storage battery terminal lead pipe.

Background

The terminal is an important part in the storage battery and comprises a pole column and a lead pipe, wherein the lead pipe is wrapped at the plastic-coated part of the shell of the storage battery, the pole column is positioned in the lead pipe, and the pole column and the lead pipe are welded together. As shown in the attached figure 1, the lower part of the pipe body of the storage battery terminal lead pipe 1 is provided with external threads 1-1, the middle part of the pipe body is provided with petal flanges 1-2, the upper part of the pipe body is provided with a taper pipe structure 1-3, at present, the storage battery terminal lead pipe 1 is mostly a product which is manually cast or die-cast, because the appearance of the storage battery terminal lead pipe produced by a manual casting process is irregular, the acid climbing phenomenon sometimes occurs in the use process of the battery, and bubbles are generated inside the storage battery terminal lead pipe which is die-cast, the lead splashing phenomenon is easily generated during welding, and the appearance quality of the product is influenced.

In order to solve the problems, the storage battery terminal lead pipe can be produced by adopting a cold press molding process, the cold press lead pipe mold in the prior art is mainly used for realizing workpiece molding by moving, the static mold split-fit surface position and the lead pipe top material running, and the static mold split-fit surface material running structure can cause certain influence on the height of the lead pipe, so that the stability of the height size of the lead pipe is hardly guaranteed, the reliability of an injection molding part can be influenced, the product extruded by the lead pipe is required to be subjected to cutting treatment of middle material running, time and labor are wasted, and the production efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cold press molding die for a lead pipe of a storage battery terminal, and aims to ensure the stability of the size of a product through the optimized design of the structure of the cold press molding die for the lead pipe so as to achieve the purpose of improving the quality and the production efficiency of the product.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cold press molding die for a lead pipe of a storage battery terminal comprises a movable die and a static die; the movable die is provided with a movable die frame, a support frame, a movable die plate, cores, an ejector plate and a workpiece locking mechanism, the movable die plate is fixedly assembled with the movable die frame through the support frames arranged on the left side and the right side, the movable die frame is assembled with a driving part of a press machine, the cores are arranged in a plurality of groups in an up-down arrangement mode and are all arranged on the ejector plate, the outer surface of each group of cores is matched with the inner wall structure of a lead pipe, a lead pipe workpiece is sleeved on the cores and fixed through the workpiece locking mechanism before die pressing operation, and the ejector plate is arranged on the support frames on the left side and the right side; the static die is provided with a static die frame and a cavity die plate, the cavity die plate is fixedly installed on a working table top of the press machine through the static die frame, a cavity corresponding to the position of a core on the movable die plate is arranged on the cavity die plate, and the inner wall of the cavity is matched with the corresponding position of the outer surface of the lead pipe of the storage battery terminal.

In the cold press molding die for the storage battery terminal lead pipe, the workpiece locking mechanism comprises two parts which are arranged in a bilateral symmetry manner, and a die locking slide block, a die locking driving block and a cylinder are arranged in each part; the cylinder is arranged on the top of the movable mold in an inverted mode, and the tail end of a telescopic arm of the cylinder is connected with the mold locking driving block; the mould locking driving block is a wedge-shaped sliding block, the inner wedge-shaped surface of the mould locking driving block is attached to the outer wedge-shaped surface of the mould locking sliding block, and the mould locking driving block moves downwards under the driving of the air cylinder to push the mould locking sliding block to move inwards horizontally; and a clamping groove matched with the storage battery terminal lead pipe blank is formed in the inner side surface of the mold locking sliding block.

According to the cold press molding die for the storage battery terminal lead pipe, the clamping groove of the mold locking sliding block is a concave-convex groove matched with the external thread of the storage battery terminal lead pipe and the thickness of one third of the petal flange.

According to the cold press molding die for the lead pipe of the storage battery terminal, the workpiece locking mechanism is further provided with a mold locking slider horizontal movement guiding assembly, the mold locking slider horizontal movement guiding assembly comprises a guide rail and a guide groove, the guide rail is fixed on the movable template, and the guide groove arranged on the upper end face and the lower end face of the guide rail and the mold locking slider are matched to realize the guiding effect of the mold locking slider horizontal movement.

According to the cold press molding die for the storage battery terminal lead pipe, the cavity on the cavity template is a groove matched with the thickness of the two-thirds petal flange part of the storage battery terminal lead pipe.

The cold press molding die for the storage battery terminal lead pipe is also provided with a die assembly positioning guide mechanism, and the die assembly positioning guide mechanism comprises a positioning guide rod and a positioning guide hole; the positioning guide rods are fixed at the four corners of the movable template; the positioning guide hole is formed in a cavity template of the static mold, the positioning guide rod penetrates into the positioning guide hole in the mold closing process, and the positioning guide function in the mold closing process is achieved through the matching of the positioning guide rod and the positioning guide hole.

The utility model provides a cold press molding die for a storage battery terminal lead pipe, which can form a cold press die cavity matched with a workpiece structure by matching a die core of a movable die part and a die cavity die plate of a static die part, and a blank of the storage battery terminal lead pipe sleeved on the die core is extruded and molded in the cold press die cavity under the pushing of a driving part of a press machine. When the cold-pressed lead pipe is produced by adopting the utility model, firstly, a blank of the lead pipe of the storage battery terminal is sleeved on the core of the movable die; then a left group of air cylinders and a right group of air cylinders in the workpiece locking mechanism respectively push a left group of mode locking driving blocks and a right group of mode locking driving blocks to move downwards, and simultaneously wedge surfaces of the mode locking driving blocks are matched with wedge surfaces of the mode locking sliding blocks to drive the left and right mode locking sliding blocks to move horizontally towards the middle, so that the workpiece is fixed through clamping grooves in the mode locking sliding blocks at the left and right sides; then the movable die is matched under the action of external force (provided by a driving part of a press), the blank of the lead pipe of the storage battery terminal enters a cavity of the static die, meanwhile, the ejector plate moves forwards, and the core and the cavity extrude the blank of the lead pipe of the storage battery terminal, so that the cold press molding of a lead pipe workpiece is realized; and then, the movable die moves backwards under the action of a driving part of the press machine, the die locking driving block moves upwards under the action of the air cylinder, the ejector plate moves backwards, and the product is demoulded to finish the cold press molding of the lead pipe of the storage battery terminal. The utility model solves the problem that the material running structure of the split and combined surface of the moving die and the static die in the existing cold pressing die has high influence on the lead pipe through the optimized design of the structure of the cold pressing forming die, thereby ensuring the stability of the product size and achieving the purpose of improving the product quality and the production efficiency.

Drawings

FIG. 1 is a schematic view of a lead tube structure of a terminal of a storage battery;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a partial view from the A-direction of FIG. 3;

FIG. 5 is a top view of FIG. 4;

fig. 6 is a partial view of fig. 3 taken along direction B.

The list of labels in the figure is:

1. lead pipe of storage battery terminal

1-1 parts of external threads, 1-2 parts of petal flanges, 1-3 parts of taper pipe structures;

2. cold press molding die for lead pipe of storage battery terminal

2-1, a movable die, 2-1-1, a movable die carrier, 2-1-2, a support frame, 2-1-3, a movable die plate, 2-1-4, a positioning guide rod, 2-1-5, a die core, 2-1-6, a cylinder, 2-1-7, a die locking driving block, 2-1-8, a die locking slide block, 2-1-8-1, a clamping groove, 2-1-9, a guide rail, 2-1-10 and an ejector plate;

2-2 parts of a static die, 2-2-1 parts of a static die frame, 2-2-2 parts of a cavity die plate, 2-2-2-1 parts of a cavity, 2-2-2-2 parts of a cavity and a positioning guide hole.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments.

Referring to fig. 1 and 2, the lower part of a storage battery terminal lead pipe 1 is provided with external threads 1-1, the middle part of the pipe is provided with petal flanges 1-2, and the upper part of the pipe is provided with a taper pipe structure 1-3. In order to ensure the product quality of the storage battery terminal lead pipe 1 and improve the production efficiency, the utility model innovatively discloses a die for cold press molding of the storage battery terminal lead pipe so as to realize the cold press molding of the storage battery terminal lead pipe 1.

Referring to fig. 1, 2, 3, 5 and 6, the cold press molding die 2 for the lead pipe of the storage battery terminal comprises a movable die 2-1 and a fixed die 2-2; the movable mold 2-1 is provided with a movable mold frame 2-1-1, a support frame 2-1-2, a movable mold plate 2-1-3, a mold core 2-1-5, an ejector retainer plate 2-1-10 and a workpiece locking mechanism, the movable mold plate 2-1-3 is fixedly assembled with the movable mold frame 2-1-1 through the support frames 2-1-2 arranged on the left side and the right side, the movable mold frame 2-1-1 is assembled with a driving part of a press machine, a plurality of groups of mold cores 2-1-5 are arranged in an up-down arrangement mode and are all arranged on the ejector retainer plate 2-1-10, the outer surface of each group of mold cores 2-1-5 is matched with the inner wall structure of a lead pipe, and a blank of the lead pipe of a storage battery terminal is sleeved on the mold core before mold pressing operation, the ejector pin plates 2-1-10 are arranged on the left and right supporting frames 2-1-2; the static die 2-2 is provided with a static die frame 2-2-1 and a cavity die plate 2-2-2, the cavity die plate 2-2-2 is fixedly arranged on a working table surface of a press machine through the static die frame 2-2-1, the cavity die plate 2-2-2 is provided with a cavity 2-2-2-1 corresponding to the position of a core 2-1-5 on a movable die plate 2-1-3, and the cavity 2-2-2-1 is a groove matched with the thickness of a two-thirds petal flange 1-2 of a lead pipe 1 of a storage battery terminal.

Referring to fig. 1, 2, 3, 4 and 5, the workpiece locking mechanism of the cold press molding die 2 for the lead pipe of the storage battery terminal comprises two parts which are arranged in bilateral symmetry, wherein each part is provided with a die locking slide block 2-1-8, a die locking driving block 2-1-7 and a cylinder 2-1-6; the cylinder 2-1-6 is arranged at the top of the movable mould 2-1 in an inverted mode, and the tail end of a telescopic arm of the cylinder is connected with the mould locking driving block 2-1-7; the mold locking driving blocks 2-1-7 are wedge-shaped sliding blocks, the inner wedge surfaces of the wedge-shaped sliding blocks are attached to the outer wedge surfaces of the mold locking sliding blocks 2-1-8, the lower mold locking driving blocks 2-1-7 are driven to move downwards by the air cylinders 2-1-6, and the mold locking sliding blocks 2-1-8 are pushed to move horizontally inwards; the inner side surface of the mold locking sliding block 2-1-8 is provided with a clamping groove 2-1-8-1 matched with a blank of a lead pipe of a storage battery terminal, the clamping groove 2-1-8-1 is a concave-convex groove matched with the external thread 1-1 of the lead pipe 1 of the storage battery terminal and the thickness of a one-third petal flange 1-2, and the blank of the lead pipe of the storage battery terminal can be fixed through the clamping grooves 2-1-8-1 on the mold locking sliding blocks 2-1-8 on the left side and the right side.

Referring to fig. 4, the workpiece locking mechanism of the cold press molding die 2 for the lead pipe of the storage battery terminal further comprises a mold locking slider horizontal movement guiding assembly, the mold locking slider horizontal movement guiding assembly comprises guide rails 2-1-9 and guide grooves, the guide rails 2-1-9 are fixed on a movable template 2-1-3, and the guide rails 2-1-9 are matched with the guide grooves arranged on the upper end surface and the lower end surface of the mold locking slider 2-1-8 to realize the guiding function of the mold locking slider horizontal movement.

Referring to fig. 3, 4, 5 and 6, the cold press molding die 2 for the lead pipe of the storage battery terminal is further provided with a die assembly positioning guide mechanism, and the die assembly positioning guide mechanism comprises a positioning guide rod 2-1-4 and a positioning guide hole 2-2-2-2; the positioning guide rods 2-1-4 are fixed at the four corners of the movable template 2-1-3; the positioning guide holes 2-2-2-2 are formed in a cavity template 2-2-2 of the static mold 2-2, the positioning guide rods 2-1-4 penetrate into the positioning guide holes 2-2-2-2 in the mold closing process, and the positioning guide effect in the mold closing process is achieved through the cooperation of the positioning guide rods 2-1-4 and the positioning guide holes 2-2-2-2.

Referring to fig. 3, when the cold-pressing lead pipe is produced, the working process of the cold-pressing lead pipe forming die 2 for the storage battery terminal lead pipe is as follows: firstly, sleeving a blank of a lead pipe of a storage battery terminal on a mold core 2-1-5 of a movable mold 2-1; then, the left and right groups of cylinders 2-1-6 respectively push the left and right groups of mold locking driving blocks 2-1-7 to move downwards, the wedge surfaces of the mold locking driving blocks 2-1-7 are matched with the wedge surfaces of the mold locking sliding blocks 2-1-8 to drive the left and right mold locking sliding blocks 2-1-8 to move horizontally towards the middle, and the blank of the lead pipe of the storage battery terminal is fixed through the clamping grooves 2-1-8-1 on the left and right mold locking sliding blocks 2-1-8; then the movable die is closed under the action of external force (provided by a driving part of a press), a blank of the lead pipe of the terminal of the storage battery enters a cavity 2-2-2-1 of a cavity template 2-2-2 in the static die 2-2, meanwhile, an ejector plate 2-1-10 moves forwards, and the blank is extruded by matching the core 2-1-5 and the cavity 2-2-2-1, so that cold press molding of the lead pipe workpiece is realized; and then, the movable die 2-1 moves backwards under the action of a press machine driving part, the die locking driving block 2-1-7 moves upwards under the action of the air cylinder 2-1-6, the ejector plate 2-1-10 moves backwards, and the product is demoulded to finish the cold press molding of the lead tube 1 of the storage battery terminal.

Claims (6)

1. A cold press molding die for a storage battery terminal lead pipe is characterized in that the cold press molding die (2) for the storage battery terminal lead pipe comprises a movable die (2-1) and a static die (2-2); the movable mould (2-1) is provided with a movable mould die carrier (2-1-1), a support frame (2-1-2), a movable mould plate (2-1-3), a mould core (2-1-5), an ejector plate (2-1-10) and a workpiece locking mechanism, the movable mould plate (2-1-3) is fixedly assembled with the movable mould die carrier (2-1-1) through the support frames (2-1-2) arranged on the left side and the right side, the movable mould die carrier (2-1-1) is assembled with a driving part of a press machine, a plurality of groups of mould cores (2-1-5) are arranged in an up-down arrangement mode and are all arranged on the ejector plate (2-1-10), the outer surface of each group of mould cores (2-1-5) is matched with the inner wall structure of a lead pipe, before the die pressing operation, a lead pipe workpiece is sleeved on a mold core and is fixed through a workpiece locking mechanism, and the ejector pin plates (2-1-10) are arranged on the left and right supporting frames (2-1-2); the static die (2-2) is provided with a static die frame (2-2-1) and a cavity template (2-2-2), the cavity template (2-2-2) is fixedly installed on a working table top of a press machine through the static die frame (2-2-1), a cavity (2-2-2-1) corresponding to the position of a core (2-1-5) on a movable die plate (2-1-3) is arranged on the cavity template (2-2-2), and the inner wall of the cavity (2-2-2-1) is matched with the corresponding part of the outer surface of a lead pipe (1) of a storage battery terminal.

2. The cold press molding die for the lead pipe of the storage battery terminal according to claim 1, wherein the workpiece locking mechanism comprises two parts which are arranged in a left-right symmetry manner, and a die locking slide block (2-1-8), a die locking driving block (2-1-7) and a cylinder (2-1-6) are arranged in each part; the cylinder (2-1-6) is arranged at the top of the movable mould (2-1) in an inverted mode, and the tail end of a telescopic arm of the cylinder is connected with the mould locking driving block (2-1-7); the mold locking driving block (2-1-7) is a wedge-shaped sliding block, the wedge-shaped surface on the inner side of the mold locking driving block is attached to the wedge-shaped surface on the outer side of the mold locking sliding block (2-1-8), the mold locking driving block (2-1-7) moves downwards under the driving of the air cylinder (2-1-6), and the mold locking sliding block (2-1-8) is pushed to move horizontally inwards; and the inner side surface of the mold locking sliding block (2-1-8) is provided with a clamping groove (2-1-8-1) matched with a storage battery terminal lead pipe blank.

3. The cold press molding die for the lead tube of the battery terminal according to claim 2, wherein the clamping groove (2-1-8-1) of the mold locking slide block (2-1-8) is a concave-convex groove matched with the external thread (1-1) and the thickness of the one-third petal flange (1-2) of the lead tube of the battery terminal (1).

4. The cold press molding die for the lead pipe of the storage battery terminal according to claim 2 or 3, wherein the workpiece locking mechanism is further provided with a die locking slider horizontal movement guide assembly, the die locking slider horizontal movement guide assembly comprises guide rails (2-1-9) and guide grooves, the guide rails (2-1-9) are fixed on the movable die plate (2-1-3), and the guide rails (2-1-9) are matched with the guide grooves arranged on the upper end surface and the lower end surface of the die locking slider (2-1-8) to realize the guide effect of the die locking slider horizontal movement.

5. The cold press molding die for the lead pipe of the storage battery terminal as claimed in claim 4, wherein the cavity (2-2-2-1) on the cavity template (2-2-2) is a groove matched with the thickness of the two-thirds petal flange (1-2) of the lead pipe (1) of the storage battery terminal.

6. The cold press molding die for the lead pipe of the storage battery terminal according to claim 5, which is further provided with a die assembly positioning guide mechanism, wherein the die assembly positioning guide mechanism comprises a positioning guide rod (2-1-4) and a positioning guide hole (2-2-2-2); the positioning guide rods (2-1-4) are fixed at the four corners of the movable template (2-1-3); the positioning guide hole (2-2-2-2) is formed in a cavity template (2-2-2) of the static mold (2-2), a positioning guide rod (2-1-4) penetrates into the positioning guide hole (2-2-2) in the mold closing process, and the positioning guide effect in the mold closing process is achieved through the cooperation of the positioning guide rod (2-1-4) and the positioning guide hole (2-2-2-2).

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