Profile punching and cutting clamp

By designing the upper die, lower die, positioning mechanism, and fixing mechanism of the profile punching fixture, the problem of inaccurate positioning during the profile punching process was solved, achieving stable and accurate positioning and high-quality processing of the profile.

CN223670282UActive Publication Date: 2025-12-16ZHAOQING HELIAN HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202423218765.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The existing profile punching fixtures have low positioning accuracy, which leads to instability in the processing and affects product quality.

Method used

A profile punching fixture was designed, including an upper die, a lower die, a positioning mechanism, and a fixing mechanism. The profile is stably fixed by a cylinder driven telescopic rod through the cooperation of a positioning rod and a positioning baffle, and accurate punching is achieved by the movement of the cutter. The positioning accuracy is improved by the guiding effect of the upper die base plate and the lower die base plate.

Benefits of technology

This ensures that the profiles are positioned stably and accurately during the punching process, improving product quality and processing precision.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a section bar thrusting clamp. The section bar thrusting clamp comprises an upper die, a lower die, a positioning mechanism and a fixing mechanism. Wherein the upper die comprises a male die and a discharging plate, a spring plunger is arranged between the male die and the discharging plate, the male die is provided with a cutter facing the discharging plate, a through hole allowing the cutter to penetrate through is formed in the middle of the discharging plate, a feeding channel leading to the through hole is formed in one side of the discharging plate, and a discharging notch leading to the through hole is formed in the other side of the discharging plate; the lower die comprises a female die corresponding to the male die, and the female die is provided with an avoiding hole for avoiding the cutter; the positioning mechanism comprises a positioning rod and a positioning baffle, the positioning rod is connected to the discharging plate and located on one side of the discharging notch, and the positioning baffle is arranged on the positioning rod and used for abutting against and positioning the end of the profile workpiece; the fixing mechanism comprises an air cylinder and a telescopic rod, the telescopic rod is arranged in the fixing hole, and the air cylinder is used for driving the telescopic rod to move along the fixing hole so as to fix or loosen the profile workpiece. Therefore, the profile can be stably and accurately positioned in the punching process, so that the product quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the hardware profile stamping field especially relates to a profile punch-off clamp. BACKGROUND

[0002] Hardware profile punch-off process mainly involves the blanking process, which is an important process in hardware stamping. Blanking is a separation process, when the workpiece is stressed, it will start from elastic deformation, pass through plastic deformation, and finally end in fracture. In the field of building and decoration, hardware stamping parts are used for the manufacture of door and window hardware accessories, stair handrails, indoor decorative parts, furniture hardware parts, bathroom hardware parts, etc. These stamping parts not only improve the aesthetics and practicality of buildings and homes, but also enhance their safety and stability.

[0003] The profile punch-off clamp is a clamp specially used for punch-off processing of profiles. This kind of clamp has a wide application in industrial production, especially in the fields of metal processing, building door and window manufacturing, etc. However, the existing profile punch-off clamp only relies on the fixed stroke of the feeding device and the shape of the punch-off clamp to position and fix the profile, so the positioning accuracy is low, the processing process stability is low, and the product quality stability cannot be guaranteed. TECHNICAL SOLUTION

[0004] The utility model aims at solving one of the technical problems existing in the prior art. To this end, the utility model provides a profile punch-off clamp which can ensure stable and accurate positioning of the profile during the punch-off process, thereby improving the product quality.

[0005] The utility model solves the technical problems by adopting the following technical scheme:

[0006] A profile punch-off clamp, comprising

[0007] An upper die, comprising a punch and a stripper plate, a spring plunger is arranged between the punch and the stripper plate, the punch is provided with a cutter facing the stripper plate, a through hole allowing the cutter to pass through is arranged in the middle of the stripper plate, a feeding channel leading to the through hole is arranged on one side of the stripper plate, a discharging gap leading to the through hole is arranged on the other side of the stripper plate, a fixing hole is arranged on the other side of the stripper plate between the feeding channel and the discharging gap, and the fixing hole is in communication with the side of the discharging gap;

[0008] A lower die, located below the upper die, comprising a concave die corresponding to the punch, the concave die is provided with an avoidance hole avoiding the cutter;

[0009] The positioning mechanism comprises a positioning rod and a positioning baffle, the positioning rod is connected on one side of the discharging plate, and the positioning baffle is arranged on the positioning rod and used for abutting and positioning with the end of the profile workpiece, and the distance between the positioning baffle and the side of the discharging plate is greater than the length of the discharging gap.

[0010] The fixing mechanism comprises a cylinder and a telescopic rod, the telescopic rod is arranged in the fixing hole, and the cylinder is used for driving the telescopic rod to move along the fixing hole so as to fix or release the profile workpiece.

[0011] According to the profile cutting-off clamp, the profile workpiece enters from the feeding channel on one side of the discharging plate, is positioned by abutting against the positioning baffle of the positioning mechanism, and is fixed by the cylinder of the fixing mechanism driving the telescopic rod to move forward along the fixing hole, so that the workpiece is stabilized, the upper die moves downward under the action of the driving mechanism such as the hydraulic cylinder, when the lower surface of the discharging plate is attached to the upper surface of the concave die, the spring plunger is compressed, the distance between the convex die and the discharging plate is reduced, so that the cutting knife cuts off the profile workpiece by passing through the through hole, the avoiding hole plays the role of avoiding, then the upper die moves upward, the spring plunger resets, the discharging plate and the convex die move apart, the telescopic rod of the fixing mechanism is driven by the cylinder to move backward along the fixing hole to release the profile workpiece, and the profile workpiece falls from the side of the convex die due to the fact that the distance between the positioning baffle and the side of the discharging plate is greater than the length of the discharging gap. Therefore, the profile can be stably and accurately positioned in the cutting-off process, and the product quality is improved.

[0012] According to some embodiments of the utility model, the upper die further comprises an upper die base plate located on the top surface of the convex die, and the upper die base plate is used for fixing the convex die.

[0013] Beneficially, the upper die base plate plays the role of fixing and installing the convex die and the like, and transmits pressure.

[0014] According to some embodiments of the utility model, the lower die further comprises a lower die base plate located on the bottom surface of the concave die, and the lower die base plate is used for fixing the concave die.

[0015] Beneficially, the upper die base plate plays the role of fixing and installing the concave die and the like, and transmits pressure.

[0016] According to some embodiments of the utility model, the upper die base plate is provided with a guide column downward, and the lower die base plate is provided with a guide sleeve matched with the guide column upward.

[0017] Beneficially, the upper die base plate and the lower die base plate play the role of guiding through the guide column and the guide sleeve, and further improve the stamping precision.

[0018] According to some embodiments of the utility model, the positioning rod is a screw rod, and the side surface of the discharging plate is provided with a threaded hole for mounting the positioning rod.

[0019] Beneficially, such arrangement facilitates the connection of the positioning rod and the discharging plate, and facilitates disassembly, assembly and adjustment.

[0020] According to some embodiments of the utility model, the positioning baffle is provided with a mounting hole mounted on the positioning rod, and the positioning rod is provided with a nut for fixing the positioning baffle.

[0021] Beneficially, such arrangement fixes the positioning baffle on the positioning rod through the nut.

[0022] According to some embodiments of the utility model, the discharging plate is provided with a mounting bracket on the other side between the feeding channel and the discharging gap, and the cylinder is mounted on the mounting bracket.

[0023] Beneficially, the mounting bracket plays a role of mounting and fixing the cylinder, and ensures stable operation of the cylinder.

[0024] According to some embodiments of the utility model, the positioning mechanism is provided below with an obliquely arranged discharging plate.

[0025] Beneficially, the discharging plate plays a role of discharging, and the cut-off profile workpiece moves downward along the discharging plate for discharging or entering the next process.

[0026] According to some embodiments of the utility model, the discharging plate is provided with side baffles on both sides.

[0027] Beneficially, the side baffles play a role of blocking material, and prevent the profile workpiece from falling off from the side edge of the discharging plate.

[0028] According to some embodiments of the utility model, the discharging plate is provided below the discharging end with a material collecting frame.

[0029] Beneficially, the material collecting frame plays a role of collecting the profile workpiece.

[0030] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical scheme of the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0032] Figure 1 is a schematic view of an embodiment of the present application;

[0033] Figure 2 is Figure 1 is a schematic view of the inside of the stripper plate and the concave die;

[0034] Figure 3 is Figure 1 is a top view of the stripper plate.

[0035] The reference signs: male die 100, stripper plate 110, spring plunger 120, cutter 130, through hole 140, feeding channel 150, blanking gap 160, concave die 180, avoiding hole 190, positioning rod 200, positioning baffle 210, air cylinder 220, telescopic rod 230, upper die seat plate 240, lower die seat plate 250, guide column 260, guide sleeve 270, nut 280, mounting frame 290, blanking plate 300, side baffle 310, material collecting frame 320. DETAILED DESCRIPTION

[0036] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0037] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0038] In the description of the present application, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If there is a description of the first and the second, this is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of indicated technical features.

[0039] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "installation, connection and connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements.

[0040] The following refers to Figures 1-3 A profile punching clamp is described in detail with a specific embodiment. It is worth understanding that the following description is only illustrative, not a specific limitation of the utility model.

[0041] As Figures 1-3 A profile punching clamp, as shown, includes an upper die, a lower die, a positioning mechanism and a fixing mechanism.

[0042] The upper die comprises a punch 100 and a stripper plate 110, a spring plunger 120 is arranged between the punch 100 and the stripper plate 110, the punch 100 is provided with a cutter 130 facing the stripper plate 110, the middle of the stripper plate 110 is provided with a through hole 140 allowing the cutter 130 to pass through, one side of the stripper plate 110 is provided with a feeding channel 150 leading to the through hole 140, the other side of the stripper plate 110 is provided with a discharging gap 160 leading to the through hole 140, the other side of the stripper plate 110 between the feeding channel 150 and the discharging gap 160 is provided with a fixing hole, and the fixing hole is in communication with the side of the discharging gap 160; the lower die is located below the upper die and comprises a concave die 180 corresponding to the punch 100, and the concave die 180 is provided with a relief hole 190 avoiding the cutter 130; the positioning mechanism comprises a positioning rod 200 and a positioning baffle 210, the positioning rod 200 is connected to the side of the stripper plate 110 located at the discharging gap 160, and the positioning baffle 210 is arranged on the positioning rod 200 and used for abutting and positioning the end of the profile workpiece, and the distance between the positioning baffle 210 and the side of the stripper plate 110 is greater than the length of the discharging gap 160; the fixing mechanism comprises a gas cylinder 220 and a telescopic rod 230, the telescopic rod 230 is arranged in the fixing hole, and the gas cylinder 220 is used for driving the telescopic rod 230 to move along the fixing hole, so as to fix or release the profile workpiece. In use, the profile workpiece enters from the feeding channel 150 on one side of the stripper plate 110, passes through the through hole 140 and the discharging gap 160, and is abutted and positioned by the positioning baffle 210 of the positioning mechanism, the gas cylinder 220 of the fixing mechanism drives the telescopic rod 230 to move forward along the fixing hole to fix the profile workpiece, thereby playing a role of stabilizing the workpiece, the upper die moves downward under the action of a driving device such as a hydraulic cylinder, when the lower surface of the stripper plate 110 abuts against the upper surface of the concave die 180, the spring plunger 120 is compressed, the distance between the punch 100 and the stripper plate 110 is reduced, so that the cutter 130 passes through the through hole 140 to punch and break the profile workpiece, the relief hole 190 plays a role of avoiding, then the upper die moves upward, the spring plunger 120 resets, the stripper plate 110 and the punch 100 move apart, and the gas cylinder 220 of the fixing mechanism drives the telescopic rod 230 to move back along the fixing hole to release the profile workpiece, since the distance between the positioning baffle 210 and the side of the stripper plate 110 is greater than the length of the discharging gap 160, the profile workpiece falls from the side of the punch 100 and is discharged. Therefore, the profile workpiece can be stably and accurately positioned during the punching and breaking process, thereby improving the product quality.

[0043] As Figure 1As shown, the upper die also includes an upper die base plate 240 located on the top surface of the punch 100, which is used to fix the punch 100. The upper die base plate 240 serves to fix and mount the punch 100 and other parts, and to transmit pressure. Correspondingly, the lower die also includes a lower die base plate 250 located on the bottom surface of the die 180, which is used to fix the die 180. The upper die base plate 240 serves to fix and mount the die 180 and other parts, and to transmit pressure. Furthermore, the upper die base plate 240 has a guide post 260 facing downwards, and the lower die base plate 250 has a guide sleeve 270 facing upwards that mates with the guide post 260. The upper die base plate 240 and the lower die base plate 250 provide a guiding function through the guide post 260 and the guide sleeve 270, further improving the stamping accuracy.

[0044] Specifically, the positioning rod 200 is a screw, and the side of the unloading plate 110 is provided with a threaded hole for mounting the positioning rod 200 (the threaded hole is not shown in the figure). This arrangement facilitates the connection between the positioning rod 200 and the unloading plate 110, making disassembly and adjustment convenient. Additionally, the positioning baffle 210 is provided with a mounting hole (not shown in the figure) on the positioning rod 200, and the positioning rod 200 is provided with a nut 280 for fixing the positioning baffle 210. This arrangement secures the positioning baffle 210 to the positioning rod 200 via the nut 280.

[0045] As can be understood, as shown in Figure 3, the unloading plate 110 is provided with a mounting bracket 290 on the other side between the feed channel 150 and the discharge notch 160, and the cylinder 220 is mounted on the mounting bracket 290. The mounting bracket 290 serves to install and fix the cylinder 220, ensuring that the cylinder 220 works stably.

[0046] It is worth mentioning that, such as Figure 1 As shown, an inclined feeding plate 300 is provided below the positioning mechanism. The feeding plate 300 serves to feed the cut profile workpiece downwards along the feeding plate 300 for feeding or entering the next process. Furthermore, side baffles 310 are provided on both sides of the feeding plate 300. The side baffles 310 serve to stop the material from falling off the sides of the feeding plate 300. Further, a collecting frame 320 is provided below the discharge end of the feeding plate 300. The collecting frame 320 serves to collect the profile workpiece.

[0047] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, still can make various changes in the knowledge range possessed by the ordinary skilled in the art without departing from the utility model's tenet.

Claims

1. A profile break-off clamp, characterized in that, The utility model relates to a profile cutting device, including: The upper die includes a male die (100) and a stripper plate (110), a spring plunger (120) is arranged between the male die (100) and the stripper plate (110), the male die (100) is provided with a cutter (130) towards the stripper plate (110), the middle part of the stripper plate (110) is provided with a through hole (140) allowing the cutter (130) to pass through, one side of the stripper plate (110) is provided with a feeding channel (150) leading to the through hole (140), the other side of the stripper plate (110) is provided with a discharging gap (160) leading to the through hole (140), the other side of the stripper plate (110) between the feeding channel (150) and the discharging gap (160) is provided with a fixing hole, and the fixing hole is communicated with the side of the discharging gap (160); The lower die is located below the upper die and includes a female die (180) corresponding to the male die (100), and the female die (180) is provided with a relief hole (190) avoiding the cutter (130); The positioning mechanism includes a positioning rod (200) and a positioning baffle (210), the positioning rod (200) is connected to the side of the stripper plate (110) at the discharging gap (160), and the positioning baffle (210) is arranged on the positioning rod (200) and used for abutting and positioning the end of the profile workpiece; the distance between the positioning baffle (210) and the side of the stripper plate (110) is greater than the length of the discharging gap (160); The fixing mechanism includes a gas cylinder (220) and a telescopic rod (230), the telescopic rod (230) is arranged in the fixing hole, and the gas cylinder (220) is used for driving the telescopic rod (230) to move along the fixing hole so as to fix or release the profile workpiece.

2. A profile break-off clamp according to claim 1, characterised in that The upper die further includes an upper die base plate (240) located on the top surface of the male die (100), and the upper die base plate (240) is used for fixing the male die (100).

3. A profile break-off clamp according to claim 2, wherein The lower die further includes a lower die base plate (250) located on the bottom surface of the female die (180), and the lower die base plate (250) is used for fixing the female die (180).

4. A profile break-off clamp according to claim 3, wherein The upper die base plate (240) is provided with a guide column (260) downwards, and the lower die base plate (250) is provided with a guide sleeve (270) upwards matched with the guide column (260).

5. A profile break-off clamp according to claim 1, wherein The positioning rod (200) is a screw rod, and the side of the stripper plate (110) is provided with a threaded hole mounting the positioning rod (200).

6. A profile break-off clamp according to claim 5, wherein The positioning baffle (210) is provided with a mounting hole mounted on the positioning rod (200), and the positioning rod (200) is provided with a nut (280) used for fixing the positioning baffle (210).

7. A profile break-off clamp according to claim 1, wherein The other side of the stripper plate (110) between the feeding channel (150) and the discharging gap (160) is provided with a mounting bracket (290), and the gas cylinder (220) is mounted on the mounting bracket (290).

8. A profile break-off clamp according to claim 1, wherein A discharging plate (300) is arranged obliquely below the positioning mechanism.

9. A profile break-off clamp according to claim 8, wherein Side baffles (310) are arranged on both sides of the discharging plate (300).

10. A profile break-off clamp according to claim 8, wherein The discharging end of the blanking plate (300) is provided with a material collecting frame (320) below.