Pointing extrusion device applied to positive grid lead bar

Abstract

The utility model discloses a tip extrusion device applied to a positive grid lead bar, belongs to the technical field of production of positive grids of lead-acid storage batteries, and solves the problems of low accuracy and unreasonable structure of tip extrusion forming in the prior art. The device mainly comprises a main frame, and is characterized in that a hydraulic oil cylinder, a guide plate and a mounting seat are mounted on the main frame, and a track is arranged on the guide plate; the hydraulic oil cylinder is connected with a fixing plate, a sliding block is installed on the fixing plate, the sliding block and the rail are connected in a sliding mode and matched with each other, a tip squeezing upper cutter is fixed to the bottom of the fixing plate, a tip squeezing lower cutter is installed at the bottom of the main machine frame, a mounting plate is provided with the tip squeezing lower cutter, and the tip squeezing lower cutter is provided with a positioning plate. And the tip extrusion upper cutter and the tip extrusion lower cutter are matched with each other. The utility model has the advantages of more reasonable structure, smaller action range, good operation stability, sufficient power, high safety and stronger practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of production of positive grids of lead-acid batteries, in particular to a tip extrusion device used for lead bars of positive grids. Background Art

[0002] With the increasing use of tubular lead-acid batteries, the manual extrusion of the positive plates of tubular lead-acid batteries has increasingly affected production efficiency and wasted manpower. At the same time, the manual extrusion requires contact with the lead bars, and the extrusion knife is very sharp, which may endanger the health of the operator. In order to solve the above problems, the company has developed a cutting and inserting machine to replace the manual cutting and inserting. In the prior art, the application with the publication number CN206332114U discloses a point extrusion device, which includes an upper crossbeam and a lower crossbeam, a movable mold is set at the lower end of the upper crossbeam, and a fixed mold is set at the upper end of the lower crossbeam. The movable mold and the fixed mold are arranged relative to each other, and the movable mold is driven to move downward by the cooperation of the extrusion cylinder and the cylinder connecting plate and the guidance of the linear shaft to complete the extrusion action. However, it does not limit the lead bars, and the linear shaft transmission makes the entire device occupy a large space, which is troublesome to install and has poor stability. At present, there is a lack of a more direct and effective extrusion device with higher accuracy in lead bar forming. Summary of the invention

[0003] The purpose of the utility model is to provide a tip extrusion device for positive grid lead bars, so as to solve the problems of low accuracy of tip extrusion forming and unreasonable structure in the prior art.

[0004] The utility model is realized by the following technical solutions:

[0005] A device for extruding a point for lead bars of a positive grid comprises a main frame, on which a hydraulic cylinder, a guide plate and a mounting seat are mounted, and on which a track is arranged; a piston rod of the hydraulic cylinder is connected to a fixed plate, on which a slider is mounted, the slider and the track are slidably connected and cooperate with each other, the hydraulic cylinder drives the fixed plate to complete the lifting and lowering action of an upper extruding knife, an upper extruding knife is fixed to the bottom of the fixed plate, a lower extruding knife is mounted on the bottom of the main frame, a lower extruding knife is arranged on the mounting plate, and a positioning plate is arranged on the lower extruding knife; the upper extruding knife and the lower extruding knife cooperate with each other.

[0006] Furthermore, the positioning plate is provided with a plurality of protruding teeth, and the plurality of protruding teeth are arranged at intervals, and lead bars are placed in the intervals to better fix the lead bars and perform extrusion.

[0007] Furthermore, a connecting plate is provided on the piston rod of the hydraulic oil cylinder, the connecting plate is connected to the guide plate, four sliding blocks are provided on the guide plate, the sliding blocks are provided with limiting grooves, the track is provided with limiting protrusions, the limiting protrusions are slidably connected with the limiting grooves and cooperate with the limiting, so as to ensure the smooth and stable operation of the upper knife fixing plate of the extrusion tip.

[0008] Furthermore, a mounting seat is provided at the bottom of the main frame, and the mounting seat is fixed to the outside world by bolts, is easy to install, and can be fixed on any vertical surface.

[0009] Furthermore, the upper extrusion knife is fixed to the fixing plate through the oblong hole at the bottom of the fixing plate by bolts passing through the oblong hole. The position of the upper extrusion knife can be fine-tuned by the bolts to ensure the mutual cooperation between the upper extrusion knife and the lower extrusion knife.

[0010] Furthermore, the upper extrusion knife and the lower extrusion knife are arranged opposite to each other, and the positioning plate is fixed on the outer side of the lower extrusion knife.

[0011] Furthermore, the extrusion tip lower knife is provided with extrusion teeth, and the extrusion tip upper knife is provided with an extrusion groove corresponding to the extrusion teeth, so as to ensure that the end of the lead bar is pointed, which is convenient for subsequent extrusion of paste; the outer surfaces of the extrusion teeth and the extrusion groove are smooth, and the lead bar will not stick after being extruded.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model adopts a hydraulic cylinder to directly provide downward pressure on the upper knife of the extrusion tip, has a more reasonable structure, a smaller range of motion, good operating stability, sufficient power, high safety, and strong practicality.

[0014] 2. The utility model adopts a positioning plate on the upper knife of the extrusion tip to limit the lead bar, which can effectively improve the forming rate of the lead bar; an oblong hole is provided on the fixed plate, and the position of the upper knife of the extrusion tip can be fine-tuned to ensure the corresponding coordination of the upper knife and the lower knife. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a left view of the utility model;

[0018] Figure 4 It is a top view of the utility model;

[0019] Figure 5 It is a cross-sectional view of the track and the slider of the utility model.

[0020] In the figure: 1. Main frame; 2. Hydraulic cylinder; 3. Fixed plate; 4. Upper extrusion knife; 5. Lower extrusion knife; 6. Positioning plate; 7. Mounting plate; 8. Slider; 9. Track; 10. Mounting seat; 11. Connecting plate. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the creation of the present invention.

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] Embodiment 1: A device for extruding lead bars of a positive grid, such as Figure 1-Figure 4 As shown, it includes a main frame 1, on which a hydraulic cylinder 2, a guide plate and a mounting seat 10 are installed, and a track 9 is arranged on the guide plate; a fixed plate 3 is connected to the piston rod of the hydraulic cylinder 2, and a slider 8 is installed on the fixed plate 3, and the slider 8 and the track 9 are slidably connected and cooperate with each other, and the hydraulic cylinder 2 drives the fixed plate 3 to complete the lifting action of the upper extrusion knife 4, and the upper extrusion knife 4 is fixed at the bottom of the fixed plate 3, and the lower extrusion knife 5 is installed at the bottom of the main frame 1, and a lower extrusion knife 5 is provided on the mounting plate 7, and a positioning plate 6 is provided on the lower extrusion knife 5; the upper extrusion knife 4 and the lower extrusion knife 5 cooperate with each other.

[0024] Embodiment 2, a device for extruding lead bars of a positive grid, wherein the positioning plate 6 is provided with a plurality of protruding teeth, the plurality of protruding teeth are arranged at intervals, and the lead bars are placed in the intervals, so as to better fix the lead bars and perform extrusion; the piston rod of the hydraulic cylinder 2 is provided with a connecting plate 11, the connecting plate 11 is connected to a guide plate, and four sliders 8 are provided on the guide plate, such as Figure 5 As shown, the slider 8 is provided with a limit groove, and the track 9 is provided with a limit protrusion, which is slidably connected with the limit groove and cooperates with the limit. Ensure that the upper extrusion knife 4 and the fixing plate 3 run smoothly and stably; the main frame 1 is provided with a mounting seat 10 at the bottom, and the mounting seat 10 is fixed to the outside by bolts, which is easy to install and can be fixed on any vertical surface; the bottom of the fixing plate 3 is provided with an oblong hole, and the upper extrusion knife 4 is fixed to the fixing plate 3 by bolts passing through the oblong hole. The position of the upper extrusion knife 4 can be fine-tuned by bolts to ensure the mutual cooperation between the upper extrusion knife 4 and the lower extrusion knife 5; the upper extrusion knife 4 and the lower extrusion knife 5 are arranged opposite to each other, and the positioning plate 6 is fixed to the outer side of the lower extrusion knife 5; the lower extrusion knife 5 is provided with extrusion teeth, and the upper extrusion knife 4 is provided with an extrusion groove corresponding to the extrusion teeth, so as to ensure that the end of the lead bar is pointed, which is convenient for subsequent extrusion of paste; the outer surfaces of the extrusion teeth and the extrusion groove are smooth, and the lead bar does not stick after extrusion. The rest is the same as Example 1.

[0025] When the utility model is in operation, the lead bar is placed in the gap of the positioning plate 6, and the lead bar can be positioned, thereby ensuring the coordination between the lead bar and the upper and lower extrusion knives. The hydraulic cylinder 2 drives the knife fixing plate 3 to move up and down, thereby driving the upper extrusion knife 4 to move; the upper extrusion knife 4 and the lower extrusion knife 5 cooperate to squeeze the lead bar off, while ensuring that the end of the lead bar is pointed, which is convenient for subsequent paste squeezing. This device can not only meet the use requirements, but also ensure the operation stability, improve the safety of equipment operation and personnel, and has a simple structure and reasonable design.

[0026] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. A device for extruding lead bars of a positive grid, comprising a main frame (1), characterized in that: A hydraulic cylinder (2), a guide plate and a mounting seat (10) are installed on the main frame (1), and a track (9) is arranged on the guide plate; the hydraulic cylinder (2) is connected to a fixed plate (3), a slider (8) is installed on the fixed plate (3), the slider (8) and the track (9) are slidably connected and cooperate with each other, an upper extrusion knife (4) is fixed at the bottom of the fixed plate (3), a lower extrusion knife (5) is installed at the bottom of the main frame (1), a lower extrusion knife (5) is arranged on the mounting plate (7), and a positioning plate (6) is arranged on the lower extrusion knife (5); the upper extrusion knife (4) and the lower extrusion knife (5) cooperate with each other.

2. The device for extruding lead bars of positive grid according to claim 1, characterized in that: The positioning plate (6) is provided with a plurality of protruding teeth, and the plurality of protruding teeth are arranged at intervals.

3. The device for extruding lead bars of positive grid according to claim 1 is characterized in that: A connecting plate (11) is provided on the piston rod of the hydraulic cylinder (2), the connecting plate (11) is connected to a guide plate, four sliding blocks are provided on the guide plate, the sliding blocks are provided with limit grooves, and a limit protrusion is provided on the track (9), the limit protrusion is slidably connected to the limit groove and cooperates with the limit groove for limit.

4. The device for extruding lead bars of positive grid according to claim 1, characterized in that: A mounting seat (10) is provided at the bottom of the main frame (1), and the mounting seat (10) is fixed to the outside world by bolts.

5. The device for extruding lead bars of positive grid according to claim 1, characterized in that: The bottom of the fixing plate (3) is provided with an oblong hole, and the extrusion tip upper knife (4) is fixed to the fixing plate (3) by means of bolts passing through the oblong hole.

6. The device for extruding lead bars of positive grid according to claim 1, characterized in that: The upper extrusion knife (4) and the lower extrusion knife (5) are arranged opposite to each other, and the positioning plate (6) is fixed on the outer side of the lower extrusion knife (5).

7. The device for extruding lead bars of positive grid according to claim 1, characterized in that: The extrusion tip lower knife (5) is provided with extrusion teeth, and the extrusion tip upper knife (4) is provided with extrusion grooves corresponding to the extrusion teeth, and the outer surfaces of the extrusion teeth and the extrusion grooves are smooth.

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