Stamping device for screw production

By introducing lubricating oil system and sponge sleeve into the screw stamping device, the problem of insufficient mould lubrication is solved, the mold life is extended, and the screw forming quality and production efficiency are improved.

CN223288801UActive Publication Date: 2025-09-02TIANJIN HAIRUI MASCH MFG CO LTD
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Patent Information

Application Number
CN202422493084.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-09-02
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Inadequate lubrication of the mold forming area in the existing screw stamping device will lead to increased wear and screw surface defects, affecting the mold life and product quality.

Method used

A lubricating oil system is introduced into the stamping device, and the mold forming area is lubricated through the sponge sleeve during the stamping process. The hydraulic system is used to drive the sponge sleeve to immerse the lubricating oil and apply it to the surface of the mold to prevent excessive lubricating oil.

Benefits of technology

It effectively extends the service life of the mold, improves the molding quality of the screw, reduces surface defects, and improves production efficiency and equipment stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of screw production, in particular to a stamping device for screw production, which comprises a base, a die mechanism, a stamping mechanism and an auxiliary mechanism. The base is of a hollow structure and contains lubricating oil, a guide rod is arranged at the upper end of the base, and a top plate is arranged at the upper end of the guide rod. The stamping mechanism comprises a hydraulic cylinder, a telescopic rod and a stamping block, the hydraulic cylinder is arranged at the lower end of the top plate, the telescopic rod is arranged at the lower end of the hydraulic cylinder, the stamping block is arranged at the lower end of the telescopic rod, and connecting plates are arranged at the two ends of the stamping block and slidably connected with the guide rods. The auxiliary mechanism comprises a connecting rod, a push plate and a push rod, the connecting rod is arranged at the lower end of the connecting plate, the push plate is arranged at the lower end of the connecting rod, and the push rod is arranged at the upper end of the push plate and sleeved with a sponge sleeve; during stamping, the push rod moves downwards to drive the sponge sleeve to be immersed in lubricating oil, after stamping, the push rod moves upwards to eject the stamped and formed screw out of the second die, meanwhile, the sponge sleeve smears the lubricating oil to a die forming area, and the die forming area is lubricated.
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Description

Technical Field

[0001] The utility model relates to the technical field of screw production, in particular to a punching device for screw production. Background Art

[0002] A screw punching device is a device specifically designed for producing screws. Through a stamping process, it processes metal material into screws of the desired shape and size in a die, enabling efficient, high-volume production. The screw punching device offers advantages such as high precision, ease of operation, and a high degree of automation, making it suitable for producing a wide range of screws. Furthermore, its stability and reliability meet the demands of industrial production, making it an indispensable tool in modern manufacturing.

[0003] In the prior art, for example, a Chinese patent with the announcement number CN221603039U, titled "A Stamping Device for Screw Production," discloses a technical solution comprising a stabilizing platen and a stamping template, wherein the stabilizing platen and the stamping template are fixedly connected by the cooperation of a positioning insert plate and a slot, and a positioning rod and a positioning slot, making the stamping template and the stabilizing platen easy to install and disassemble, thereby facilitating the replacement of different stamping templates for the production of screws of different specifications. Compared with related technical fields and similar technical solutions, the existing device has the problem of insufficient lubrication of the forming area of ​​the die during stamping, which may lead to increased wear between the screw dies, shortening the die service life, and may also cause surface defects during the screw forming process. Utility Model Content

[0004] The utility model provides a punching device for screw production to solve the above problems.

[0005] The utility model adopts the following technical scheme: a punching device for screw production, comprising a base, a die mechanism, a punching mechanism and an auxiliary mechanism; a movable cavity is provided in the base, and the movable cavity is filled with lubricating oil; a guide rod is fixedly mounted on the base, and a top plate is fixedly mounted on the upper end of the guide rod; the punching mechanism is arranged above the base, and the punching mechanism is used to punch the blank; the die mechanism comprises a first die and a second die, the first die is mounted on the upper end of the second die by bolts, and the second die is fixedly mounted on the upper end of the base; a die hole is provided on the second die, and a plurality of die holes are provided, and the die holes are evenly distributed on the second die, and a plurality of forming holes are provided on the first die, and the forming holes correspond to the die holes one by one; the auxiliary mechanism comprises a connecting rod, a push plate and a push rod, and a sliding hole is provided on the base, and a connecting rod The connecting rod is slidably installed in the sliding hole, the push plate is arranged in the movable cavity, the push plate is fixedly installed at the lower end of the connecting rod, and the push rod is fixedly installed at the upper end of the push plate. The cross section of the push rod is T-shaped, and there are multiple push rods, and the push rods and the mold holes correspond one to one; a sponge sleeve is sleeved on the outer side of the push rod; when in use, the required first mold is replaced according to the required screw style; when stamping, the blank is inserted into the forming hole of the first mold, and the blank is inserted into the mold hole of the second mold through the forming hole. The stamping mechanism stamps the blank and processes the blank into the required shape. At this time, the auxiliary mechanism moves down and the sponge sleeve is immersed in lubricating oil; after the stamping is completed, the auxiliary mechanism moves up, and the push rod pushes the stamped blank out of the second mold, and the sponge sleeve applies lubricating oil to the mold forming area to lubricate the mold forming area.

[0006] The stamping mechanism includes a hydraulic cylinder, a telescopic rod and a stamping block. The hydraulic cylinder is fixedly installed at the lower end of the top plate, the telescopic rod is slidably installed at the lower end of the hydraulic cylinder, and the stamping block is fixedly installed at the lower end of the telescopic rod. During stamping, the hydraulic cylinder drives the stamping block downward through the telescopic rod to stamp the blank in the mold mechanism. After stamping is completed, the hydraulic cylinder drives the stamping block upward through the telescopic rod.

[0007] Connecting plates are fixedly installed at both ends of the punching block, and guide holes are opened on the connecting plates, which are slidably connected to the guide rods; the upper end of the connecting rod is fixedly connected to the connecting plate; during stamping, the punching block drives the connecting rod downward through the connecting plate, thereby driving the push rod downward through the push plate, so that the sponge sleeve is immersed in the lubricating oil; after the stamping is completed, the punching block drives the connecting rod upward through the connecting plate, thereby driving the push rod upward, and allowing the sponge sleeve to apply the lubricating oil to the mold forming area.

[0008] A scraper is provided above the push plate and is fixedly installed in the movable cavity. There are oil scraping holes on the scraper. There are multiple oil scraping holes, which are evenly distributed on the scraper. The oil scraping holes and the push rod are slidably connected. Through holes are also provided at both ends of the scraper, which are slidably connected to the connecting rod. When the push rod moves upward, it drives the sponge sleeve through the oil scraping holes to scrape off excess lubricating oil to prevent excessive lubrication.

[0009] The beneficial effect is: during stamping, the punching block drives the connecting rod downward through the connecting plate, and then drives the push rod downward through the push plate, so that the sponge sleeve is immersed in the lubricating oil; after the stamping is completed, the punching block drives the connecting rod upward through the connecting plate, so that the upper end of the push rod passes through the first mold, and the stamped screw is ejected from the second mold, making it convenient for the staff to take it out, and at the same time the sponge sleeve applies the lubricating oil to the mold forming area to lubricate the mold forming area. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0011] Figure 1 This is a schematic structural diagram of an embodiment of a punching device for screw production according to the present utility model;

[0012] Figure 2 A partial cross-sectional view of an embodiment of the present utility model;

[0013] Figure 3 This is a schematic structural diagram of an auxiliary mechanism according to an embodiment of the present utility model;

[0014] Figure 4 This is a top view of a scraper according to an embodiment of the present invention.

[0015] In the figure: 100, base; 110, guide rod; 120, top plate; 200, hydraulic cylinder; 210, telescopic rod; 220, stamping block; 230, connecting plate; 240, first mold; 250, second mold; 300, connecting rod; 310, push plate; 320, push rod; 330, sponge sleeve; 340, scraper; 350, oil scraper hole. DETAILED DESCRIPTION

[0016] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0017] An embodiment of a punching device for screw production according to the present invention is as follows Figures 1 to 4As shown: a punching device for screw production, including a base 100, a mold mechanism, a punching mechanism and an auxiliary mechanism; a movable cavity is provided in the base 100, and the movable cavity is filled with lubricating oil; a guide rod 110 is fixedly mounted on the base 100, and a top plate 120 is fixedly mounted on the upper end of the guide rod 110; the punching mechanism is arranged above the base 100, and the punching mechanism is used to punch the blank; the mold mechanism includes a first mold 240 and a second mold 250, the first mold 240 is mounted on the upper end of the second mold 250 by bolts, and the second mold 250 is fixedly mounted on the upper end of the base 100; a mold hole is provided on the second mold 250, and a plurality of mold holes are provided, and the mold holes are evenly distributed on the second mold 250, and a plurality of forming holes are provided on the first mold 240, and the forming holes and the mold holes correspond one to one; the auxiliary mechanism includes a connecting rod 300, a push plate 310 and a push rod 320, and a sliding hole is opened on the base 100. 00 is slidably installed in the sliding hole, and the push plate 310 is arranged in the movable cavity. The push plate 310 is fixedly installed at the lower end of the connecting rod 300, and the push rod 320 is fixedly installed at the upper end of the push plate 310. The cross section of the push rod 320 is T-shaped, and there are multiple push rods 320, and the push rods 320 correspond to the mold holes one by one; a sponge sleeve 330 is sleeved on the outer side of the push rod 320; when in use, the required first mold 240 is replaced according to the required screw style; when stamping, the blank is inserted into the forming hole of the first mold 240, and the blank is inserted into the mold hole of the second mold 250 through the forming hole. The stamping mechanism stamps the blank and processes the blank into the required shape. At this time, the auxiliary mechanism moves down and the sponge sleeve 330 is immersed in lubricating oil; after the stamping is completed, the auxiliary mechanism moves up, and the push rod 320 pushes the stamped blank out of the second mold 250, and the sponge sleeve 330 applies lubricating oil to the mold forming area to lubricate the mold forming area.

[0018] The stamping mechanism includes a hydraulic cylinder 200, a telescopic rod 210 and a stamping block 220. The hydraulic cylinder 200 is fixedly installed at the lower end of the top plate 120, the telescopic rod 210 is slidably installed at the lower end of the hydraulic cylinder 200, and the stamping block 220 is fixedly installed at the lower end of the telescopic rod 210. During stamping, the hydraulic cylinder 200 drives the stamping block 220 to move downward through the telescopic rod 210 to stamp the blank in the mold mechanism. After stamping is completed, the hydraulic cylinder 200 drives the stamping block 220 to move upward through the telescopic rod 210.

[0019] Connecting plates 230 are fixedly installed at both ends of the stamping block 220, and guide holes are opened on the connecting plates 230, which are slidably connected to the guide rod 110; the upper end of the connecting rod 300 is fixedly connected to the connecting plate 230; during stamping, the stamping block 220 drives the connecting rod 300 to move downward through the connecting plate 230, thereby driving the push rod 320 to move downward through the push plate 310, so that the sponge cover 330 is immersed in the lubricating oil; after the stamping is completed, the stamping block 220 drives the connecting rod 300 to move upward through the connecting plate 230, thereby driving the push rod 320 to move upward, so that the upper end of the push rod 320 passes through the first mold 240, and the sponge cover 330 applies the lubricating oil to the mold forming area.

[0020] A scraper 340 is provided above the push plate 310. The scraper 340 is fixedly installed in the movable cavity. An oil scraping hole 350 is provided on the scraper 340. There are multiple oil scraping holes 350, and the oil scraping holes 350 are evenly distributed on the scraper 340. The oil scraping holes 350 are slidably connected to the push rod 320; through holes are also provided at both ends of the scraper 340, and the through holes are slidably connected to the connecting rod 300; when the push rod 320 moves upward, it drives the sponge sleeve 330 through the oil scraping hole 350 to scrape off excess lubricating oil to prevent excessive lubrication.

[0021] In combination with the above embodiments, the use principle and working process of the utility model are as follows: when in use, the base 100 is filled with lubricating oil; according to the required screw style, the required first mold 240 is replaced; when stamping, the blank is inserted into the forming hole of the first mold 240, and the blank is inserted into the mold hole of the second mold 250 through the forming hole, and the hydraulic cylinder 200 is started. The hydraulic cylinder 200 drives the punching block 220 to move downward through the telescopic rod 210, and the blank in the mold mechanism is punched to be processed into the required shape. The punching block 220 drives the connecting rod 300 to move downward through the connecting plate 230, thereby driving the push plate 310 to push the push plate 310. The rod 320 moves down into the movable cavity, so that the sponge sleeve 330 is immersed in the lubricating oil; after the stamping is completed, the hydraulic cylinder 200 drives the stamping block 220 to move up through the telescopic rod 210, and the stamping block 220 drives the connecting rod 300 to move up through the connecting plate 230, thereby driving the push rod 320 to move up, and the upper end of the push rod 320 passes through the first mold 240 to push the stamped blank out of the mold mechanism, making it convenient for the staff to take it out; when the push rod 320 moves up, it drives the sponge sleeve 330 through the scraping hole 350 to scrape off excess lubricating oil to prevent excessive lubrication, and enables the sponge sleeve 330 to apply the lubricating oil to the mold forming area to lubricate the mold forming area.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A punching device for screw production, characterized in that: It includes a base (100), a mold mechanism, a punching mechanism and an auxiliary mechanism; A movable cavity is provided in the base (100), and lubricating oil is filled in the movable cavity; a guide rod (110) is fixedly mounted on the base (100), and a top plate (120) is fixedly mounted on the upper end of the guide rod (110); The punching mechanism is arranged above the base (100), and is used for punching the blank; The mold mechanism comprises a first mold (240) and a second mold (250), wherein the first mold (240) is fixedly mounted on the upper end of the second mold (250), and the second mold (250) is fixedly mounted on the upper end of the base (100); the second mold (250) is provided with a mold hole, wherein a plurality of mold holes are provided and the mold holes are evenly distributed on the second mold (250); the first mold (240) is provided with a plurality of forming holes, wherein the forming holes correspond to the mold holes one by one; The auxiliary mechanism includes a connecting rod (300), a push plate (310) and a push rod (320). A sliding hole is opened on the base (100). The connecting rod (300) is slidably installed in the sliding hole. The push plate (310) is arranged in the movable cavity. The push plate (310) is fixedly installed at the lower end of the connecting rod (300). The push rod (320) is fixedly installed at the upper end of the push plate (310). The cross section of the push rod (320) is T-shaped. There are multiple push rods (320). The push rods (320) correspond to the mold holes one by one and are slidably matched. A sponge sleeve (330) is sleeved on the outside of the push rod (320).

2. A punching device for screw production according to claim 1, characterized in that: The punching mechanism comprises a hydraulic cylinder (200), a telescopic rod (210) and a punching block (220); the hydraulic cylinder (200) is fixedly mounted on the lower end of the top plate (120); the telescopic rod (210) is slidably mounted on the lower end of the hydraulic cylinder (200); and the punching block (220) is fixedly mounted on the lower end of the telescopic rod (210).

3. A punching device for screw production according to claim 2, characterized in that: Connecting plates (230) are fixedly mounted on both ends of the punching block (220), and guide holes are provided on the connecting plates (230). The guide holes are slidably connected to the guide rods (110).

4. A punching device for screw production according to claim 3, characterized in that: The upper end of the connecting rod (300) is fixedly connected to the connecting plate (230).

5. A punching device for screw production according to claim 4, characterized in that: A scraper (340) is provided above the push plate (310), and the scraper (340) is fixedly installed in the movable cavity. The scraper (340) is provided with an oil scraping hole (350), and a plurality of the oil scraping holes (350) are provided. The oil scraping holes (350) are evenly distributed on the scraper (340), and the oil scraping holes (350) are slidably connected to the push rod (320).

6. A punching device for screw production according to claim 5, characterized in that: Through holes are also provided at both ends of the scraper (340), and the through holes are slidably connected to the connecting rod (300).

Citation Information

Patent Citations

  • Stamping device for screw production

    CN221603039U