Punch protection device
By installing a C-shaped protective cover, guide rail, and counterweight on the punch press, the problems of scrap ejection and die clamping damage are solved, achieving safe and efficient processing operations.
Patent Information
- Application Number
- CN202423306733.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-31
AI Technical Summary
During continuous stamping, scrap and parts may pop out, causing injury to operators, and the die may suddenly close and pinch fingers when being adjusted or cleaned.
A protective device was designed, comprising a C-shaped protective cover, a guide rail, an upper buckle, and a counterweight. The protective cover consists of a protective layer, a wire mesh layer, and a buffer layer, and is equipped with a normally open button and a movable handle to prevent scrap from popping out and to prevent pinching injuries when adjusting the mold.
It effectively prevents waste material from popping out, protects the safety of operators, avoids sudden mold closure and pinching injuries, and does not affect processing observation, thus improving the safety and convenience of operation.
Smart Images

Figure CN223775864U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of punch press safety protection technology, and more specifically to a punch press protection device. Background Technology
[0002] Currently, punch presses, also known as stamping machines or presses, are used for cold forging or stamping of metal materials. In national production, stamping technology has become increasingly widely used due to its advantages over traditional machining, such as saving materials and energy, high efficiency, and the ability to produce products that cannot be achieved by machining through the application of various molds. Stamping production is mainly for sheet metal, and through molds, it can produce blanking, punching, forming, deep drawing, trimming, fine blanking, shaping, riveting, and extruded parts.
[0003] Currently, Chinese patent CN202320745250.2 discloses an automatic continuous conveying mechanism for a punch press, including a base. A punch press is fixedly connected to the rear side of the upper end face of the base. A punching assembly is fixedly connected to the middle of the top end face of the inner cavity of the punch press. A worktable is fixedly connected to the front side of the upper end face of the base. The rear end face of the worktable is in contact with the rear end face of the inner cavity of the punch press. A bearing plate is slidably connected to the upper end face of the worktable. Locking devices are provided on both the front and rear sides of the upper end face of the bearing plate. A transmission device is provided in the middle of the lower end face of the bearing plate.
[0004] However, there are still some defects in the above-mentioned existing technologies. When the punch press control table is continuously punching, scrap, parts and other objects may be ejected during the punching process. If the operator does not take effective protective measures, these objects may hit the human body and cause injury to various parts of the body. During the operation of the punch press, the operator's fingers may be accidentally inserted into the mold working area, or the mold may be suddenly closed and pinched when adjusting the mold or cleaning debris. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the present invention provides a punch press protection device.
[0006] To achieve the above objectives, this utility model provides the following technical solution: It includes a punch press body, a movable worktable, and a protective assembly. The protective assembly includes a C-shaped protective cover, a guide rail, and an upper buckle. The buckle is located on the upper part of the punch press body, the guide rail is located on both sides of the punch press body near the rear, the C-shaped protective cover is located on the guide rail, hollow protrusions C are provided on both sides of the punch press body, and counterweights are provided on the protrusions C. A rope is connected to the C-shaped protective cover, one end of which extends upwards to the upper side of the protrusion C, passes through the upper side of the protrusion C, and connects to the counterweight. The movable worktable has a protrusion A that adapts to the bottom surface of the C-shaped protective cover, and a normally open button is provided on protrusion A.
[0007] The present invention is further configured such that the C-type protective cover includes a protective layer, a wire mesh layer, and a buffer layer.
[0008] The present invention is further configured such that the protective layer and the buffer layer are provided with corresponding openings.
[0009] The present invention is further configured such that: a groove is provided at the lower end of the C-shaped protective cover, a rubber strip is provided in the groove, and a corresponding protrusion B is provided on the protrusion A.
[0010] The present invention is further configured such that: the upper buckle is provided with a movable mechanism, the C-shaped protective cover is provided with a movable handle, and the movable handle cooperates with the upper buckle.
[0011] In summary, this utility model has the following beneficial effects:
[0012] This new type of protective cover prevents waste materials, parts and other objects from being ejected by setting a protective layer. The addition of a counterweight makes it easy to raise and lower the C-shaped protective cover. The normally open button on the protrusion A can prevent the mold from suddenly closing and causing injury when adjusting the mold or cleaning debris. The opening design allows the C-shaped protective cover to be used without obstructing the operation of the moving worktable, so that the processing situation can be well observed. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this embodiment;
[0014] Figure 2 This is a side sectional view of this embodiment;
[0015] Figure 3 This is a schematic diagram of the C-type protective cover structure in this embodiment;
[0016] Reference numerals: 1. Punch press body; 11. Protrusion C; 111. Counterweight; 2. Moving worktable; 21. Protrusion A; 211. Normally open button; 212. Protrusion B; 3. Protective assembly; 31. Type C protective cover; 311. Protective layer; 312. Wire mesh layer; 313. Buffer layer; 314. Opening; 315. Groove; 3151. Rubber strip; 316. Movable handle; 32. Guide rail; 33. Upper buckle; 331. Movable mechanism. Detailed Implementation
[0017] The present invention will be further described in detail below with reference to the accompanying drawings.
[0018] This embodiment discloses a punch press protection device, such as Figures 1 to 2As shown, the machine includes a punch press body 1, a movable worktable 2, and a protective assembly 3. The protective assembly 3 prevents parts and scrap from flying out during processing, protecting the user. The machine includes a C-shaped protective cover 31, a guide rail 32, and an upper latch 33. The latch is located on the upper part of the punch press body 1. When the C-shaped protective cover 31 is retracted, it contacts the upper latch 33, which maintains the retracted state of the C-shaped protective cover 31. The guide rail 32 is located on both sides of the punch press body 1 near the rear. The C-shaped protective cover 31 is mounted on the guide rail 32 and is movably connected to the guide rail 32 at its rear. The C-shaped protective cover 31 can slide along the guide rail 32. Hollow protrusions C11 are provided on both sides of the punch press body 1. The C11 is equipped with a counterweight 111. The C-shaped protective cover 31 is connected to a rope, one end of which extends upward from the upper side of the C11 and passes through the interior of the C11 and is connected to the counterweight 111. The counterweight 111 is used to balance the weight of the C-shaped protective cover 31, making it easy and convenient for workers to lower and raise the C-shaped protective cover 31. The movable workbench 2 is equipped with a protrusion A21 that is adapted to the bottom surface of the C-shaped protective cover 31. A normally open button 211 is provided on the protrusion A21. The normally open button 211 is connected in series with the starting circuit. When the C-shaped protective cover 31 is lowered and the normally open button 211 is pressed to turn on the starting circuit, the punch press can be started to work, reducing the risk of pinching injuries caused by the sudden closing of the mold when adjusting the mold or cleaning debris.
[0019] like Figure 3 As shown, the C-type protective cover 31 includes a protective layer 311, a wire mesh layer 312, and a buffer layer 313. From the inside out, the C-type protective cover 31 consists of a protective layer 311, a wire mesh layer 312, a buffer layer 313, and another protective layer 311. The outermost protective layer 311 provides support for the protective cover. The inner protective layer 311 prevents larger parts and scrap from being ejected, protecting the user's safety. The wire mesh layer 312 blocks smaller parts and scrap. The buffer layer 313 cushions impacts; when parts or scrap are ejected and strike the C-type protective cover 31, the buffer layer 313 absorbs some of the impact, reducing the impact on the C-type protective cover 31 and increasing its durability.
[0020] Further improvements include the provision of corresponding openings 314 in the protective layer 311 and the buffer layer 313. The protective layer 311 and the buffer layer 313 clamp a wire mesh layer 312. The wire mesh layer 312 has a low light-blocking effect, allowing the user to observe the parts through the openings 314. This ensures that the C-type protective cover 31 provides good protection while still allowing observation of the processing status of the parts on the new punch press body 1.
[0021] Further improvements include a groove 315 at the lower end of the C-shaped protective cover 31, with a rubber strip 3151 embedded in the groove 315, and a corresponding protrusion B212 on the protrusion A21. When the C-shaped protective cover 31 is lowered, the groove 315 and the protrusion B212 engage, making the space within the protective layer 311 relatively enclosed. Waste materials and parts generated during processing will land on the movable worktable 2 after being ejected, preventing them from splashing to other places, which is beneficial for cleaning after use and for checking parts. The rubber strip 3151 reduces the collision between the movable worktable 2 and the C-shaped protective cover 31 when the C-shaped protective cover 31 is lowered, increasing the service life of the present invention.
[0022] Further improvements include a movable mechanism 331 on the upper latch 33. This movable mechanism 331 allows the C-shaped protective cover 31 to retract under force when it enters the latch, making it very easy for the C-shaped protective cover 31 to enter the upper latch 33. The C-shaped protective cover 31 is also equipped with a movable handle 316, which cooperates with the upper latch 33. The movable handle 316 is movable, making it very convenient for the handle to disengage from the upper latch 33.
[0023] Working principle of this utility model
[0024] When in use, pull the movable handle 316 to disengage the C-shaped protective cover 31 from the upper buckle 33. The C-shaped protective cover 31 will descend under the action of gravity. Guided by the guide rail 32, the C-shaped protective cover 31 will descend to the protrusion A21. The protrusion A21 is equipped with a normally open switch with a series starting circuit. When the C-shaped protective cover 31 contacts the normally open switch, the starting circuit is turned on, and the punch press body 1 can be started to operate the movable worktable 2 to begin working.
[0025] When the punch press is in operation, the operator can observe the processing status of the punch press body 1 through the openings 314 in the protective layer 311 and the buffer layer 313, and through the wire mesh layer 312. When processing is finished, the C-shaped protective cover 31 is lifted. The C-shaped protective cover 31 is equipped with a counterweight 111 to balance the gravity. The lifting and retraction process of the C-shaped protective cover 31 is very easy. The C-shaped protective cover can be retracted by entering the upper buckle 33. The processing waste will stay on the movable worktable 2 for easy cleaning.
[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the design concept of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A punch press protective device, comprising a punch press body (1), wherein the punch press body (1) is provided with a movable worktable (2), characterized in that: The punch press body (1) is provided with a protective group (3), which includes a C-shaped protective cover (31), a guide rail (32), and an upper buckle (33). The buckle is located on the upper part of the punch press body (1), the guide rail (32) is located on both sides of the punch press body (1) near the rear, the C-shaped protective cover (31) is located on the guide rail (32), and hollow protrusions C (11) are provided on both sides of the punch press body (1). The protrusions C (11) are provided with counterweights (111), and the C-shaped protective cover (31) is connected to a rope. One end of the rope extends upward to the upper side of the protrusions C (11) and passes through the interior of the protrusions C (11) from the upper side and is connected to the counterweights (111). The movable worktable (2) is provided with a protrusion A (21) that is adapted to the bottom surface of the C-shaped protective cover (31). A normally open button (211) is provided on the protrusion A (21).
2. The punch press protective device according to claim 1, characterized in that: The C-type protective cover (31) includes a protective layer (311), a wire mesh layer (312), and a buffer layer (313).
3. A punch press protective device according to claim 2, characterized in that: The protective layer (311) and the buffer layer (313) are provided with corresponding openings (314).
4. A punch press protective device according to claim 1, characterized in that: The lower end of the C-type protective cover (31) is provided with a groove (315), the groove (315) is provided with a rubber strip (3151), and the protrusion A (21) is provided with a corresponding protrusion B (212).
5. A punch press protective device according to claim 1, characterized in that: The upper buckle (33) is provided with a movable mechanism (331), and the C-shaped protective cover (31) is provided with a movable handle (316). The movable handle (316) cooperates with the upper buckle (33).
Citation Information
Patent Citations
Automatic continuous conveying mechanism of punching machine
CN219683777U