Hand pressing prevention safety device for riveting equipment
By designing limit switches and liftable reset retaining rings on riveting equipment, safety accidents caused by improper manual operation were solved, achieving the effect of safe production.
Patent Information
- Application Number
- CN202520425976.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing riveting equipment is prone to safety accidents due to improper operation by workers when operated manually, especially the problem of fingers being crushed by the rivet head.
The device employs a limit switch combined with a liftable and resettable retaining ring design. The start-up of the riveting equipment is determined by whether the retaining ring is blocked by an object, thus preventing injury to fingers or other body parts.
This improves the safety of the riveting equipment's working area, ensuring that workers will not injure their fingers or other parts of their bodies during operation, thus achieving safe production.
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Figure CN223946751U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the partial improvement design technical field of riveting equipment especially relates to a kind of safety device for preventing pressure hand for riveting equipment. BACKGROUND
[0002] Riveting equipment is designed according to cold rolling principle, also called rivet machine, riveting machine, riveting machine etc., which can rivet workpiece with rivet, and also solves the problem of press riveting after part of sheet metal bending.Currently, most of the riveting equipment is manually placed workpiece and manually controls riveting operation, if worker operates improperly, it is easy to cause safety accident, such as: when worker is tired due to long-term continuous work, it is easy to appear that finger is stretched to the lower part of press riveting head, in the process of press riveting, press riveting head is stamped to the finger of worker, leading to the condition that worker's finger is pressed.
[0003] In the prior art, the patent with announcement number CN212525873U discloses a kind of new press riveting machine safety device for preventing pressure hand, including press riveting machine body, the top of press riveting machine body is equipped with upper die, press riveting machine body is fixedly installed with workbench, the top of workbench is fixedly installed with press riveting die seat, the top of press riveting die seat is fixedly installed with lower die, cavity is opened in press riveting die seat, two copper columns are fixedly installed on the bottom inner wall of cavity, cavity is equipped with movable plate located above copper column, two copper rods are fixedly installed on movable plate, two copper rods are symmetrically arranged on the two sides of lower die, two copper rods are located above corresponding copper column respectively, the bottom end of two copper rods all penetrates movable plate.The utility model design is reasonable, and practicality is good, when the finger or palm of operator is located on lower die when using press riveting machine to rivet and stamping operation to metal workpiece, it can play the role of preventing pressure hand, and improve the safety guarantee of working process.
[0004] The patent with announcement number CN219561290U discloses a kind of press riveting machine safety device for preventing pressure hand, the hand of operator is inducted and judged by photoelectric inductive switch, after the hand of staff leaves, control box controls cylinder to start, pushes baffle to rotate, so that the left part of baffle is far away from the lower part of lifting mechanism, so that lifting mechanism can smoothly push press riveting head to descend and carry out press riveting operation, when the hand of staff is located below lifting mechanism, photoelectric inductive switch will be shielded, so that cylinder will not start, baffle is located below lifting mechanism, press riveting head cannot smoothly descend, and hand is protected;Including base, bottom column and workbench;Still including press riveting mechanism, locking mechanism, control mechanism and adjusting mechanism, press riveting mechanism is set up on the top of base, locking mechanism is set up on press riveting mechanism, control mechanism is set up on press riveting mechanism to control the opening and closing of locking mechanism, adjusting mechanism is set up on press riveting mechanism.
[0005] The utility model discloses a kind of anti-pressing hand devices applied to riveting machine, including the connecting cap for connecting power output mechanism, insulating connecting seat, insulating connecting sleeve, telescopic guide sleeve, inductive switch, telescopic trigger and upper die;Insulating connecting seat one end connects connecting cap, the other end connects insulating connecting sleeve;Telescopic guide sleeve is placed on insulating connecting sleeve, telescopic trigger is placed in telescopic guide sleeve, the top of telescopic trigger is inserted into insulating connecting sleeve upwards, inductive switch is placed in insulating connecting sleeve above telescopic trigger, and inductive switch is connected with control box;Upper die connects telescopic guide sleeve, lower die is provided below upper die, control box is provided with power-on detection device, insulating connecting sleeve is provided with through hole, and power-on detection device is connected with telescopic trigger by being inserted into insulating connecting sleeve through the through hole by first lead wire, and lower die is connected by second lead wire by power-on detection device.The utility model realizes anti-pressing hand function, effectively avoids personnel injury, and high safety.
[0006] The present application provides an anti-pressing hand safety device for riveting equipment to solve one of the above problems. Utility model content
[0007] The utility model discloses a kind of anti-pressing hand safety device for riveting equipment, the design of travel switch in combination with liftable reset blocking ring improves the safety of the working area of riveting equipment, travel switch is not triggered when blocking ring is touched or blocked, riveting equipment is not started, to avoid finger or other body parts are pressed, realize safe production.
[0008] To achieve the above object, the utility model adopts the following technical scheme: an anti-pressing hand safety device for riveting equipment, comprising a blocking ring, the blocking ring is sleeved on the working area of the riveting equipment, the riveting equipment includes a rack, a machine base and a machine head are installed on the rack, a riveting head is provided on the machine base, a press head is provided on the machine head, the press head is oppositely arranged with the riveting head, and the contact area of the press head and the riveting head forms a working area, the working area is used to place a workpiece to be processed and is pressed by the press head for riveting.
[0009] An elastic reset assembly is connected to the blocking ring and drives the blocking ring to reset, which is to prepare for the next riveting operation.
[0010] A displacement assembly drives the elastic reset assembly to move linearly, specifically, the blocking ring moves from the press head to the riveting head, which is used to sense whether there is an object blocking in the working area of the riveting equipment, to feedback the information of the working area, and then determine whether the riveting equipment starts the riveting work, i.e., whether the press head is pressed to perform the riveting operation.
[0011] A travel switch is located at the end of the elastic reset assembly, and the riveting equipment starts to run after the elastic reset assembly moves to touch the travel switch.
[0012] Further, the elastic reset assembly as described above comprises a linear slide rail, a top block and a stop ring are respectively installed at two ends of the linear slide rail, the top block is fixed at the upper end of the linear slide rail and the stop ring is connected at the lower end of the linear slide rail.
[0013] Further, the linear slide rail as described above is slidingly installed on a sliding block, the sliding block is fixed on a support plate, the sliding block is fixed and the linear slide rail can move linearly relative to the sliding block.
[0014] Further, the support plate and the linear slide rail are respectively provided with an upper fixing member and a lower fixing member, the upper fixing member and the lower fixing member are connected by a spring, specifically, the upper fixing member and the lower fixing member are generally selected as bolts, the support plate and the linear slide rail are connected by the spring, the spring overcomes the gravity of the linear slide rail and pulls it upward, that is, the linear slide rail is in a reset state under the elastic force of the spring, and the stop ring is also in a reset state.
[0015] Further, the stop ring is connected with a connecting rod, generally, the stop ring is welded at one end of the connecting rod, the connecting rod is fixed at one end of the linear slide rail, specifically, the connecting rod is in a bent structure.
[0016] Further, the connecting rod is fixed in the through hole of the adjusting sleeve by an adjusting screw, the adjusting screw and the adjusting sleeve are respectively installed on both sides of the linear slide rail and are connected and fixed, the position of the connecting rod in the through hole of the adjusting sleeve is adjusted, thereby indirectly adjusting the position of the stop ring, and the entire anti-pressing hand safety device can avoid the installation position of the machine head.
[0017] Further, the displacement assembly is fixed on the support plate and is arranged opposite to the top block, thereby directly touching the top block and pushing it to move linearly.
[0018] Further, the displacement assembly is an electromagnet, specifically, a push-pull electromagnet 14 is selected, a direct current voltage DC12V 30N is adopted, the thrust is small and it is not easy to hurt the fingers and any part of the body of the operator, the shaft core of the electromagnet is extended and can push the top block to move linearly.
[0019] Further, the travel switch is located at one side of the top block, the contact of the travel switch is arranged in the movement track range of the top block, specifically, the contact of the travel switch is arranged below the top block and is above the lowest position of the top block in the descending process.
[0020] Further, the travel switch is fixed on a mounting plate, the mounting plate is fixed on the support plate.
[0021] Compared with the prior art, the device has the advantages that the device improves the safety of the working area of the riveting equipment through the design of the travel switch combined with the liftable reset blocking ring, the travel switch is not triggered when the blocking ring is touched or blocked, and the riveting equipment is not started, so that the fingers or other body parts are prevented from being crushed, and safe production is realized. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a schematic view of the whole machine of the utility model;
[0023] Figure 2 It is a perspective view of the utility model;
[0024] Figure 3 It is a front view of the utility model;
[0025] Figure 4 It is Figure 1 It is an enlarged schematic view of A in the middle.
[0026] In the figure: 1. Anti-pressing hand safety device; 10. Support plate; 11. Sliding block; 12. Linear slide rail; 13. Top block; 14. Electromagnet; 15. Travel switch; 16. Mounting plate; 170. Spring; 171. Lower fixing part; 172. Upper fixing part; 181. Adjusting screw; 182. Adjusting sleeve; 191. Connecting rod; 192. Blocking ring; 2. Machine base; 3. Machine head; 4. Machine frame; 5. Foot switch. DETAILED DESCRIPTION
[0027] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0028] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "fix", "install", "connect", "set" and the like should be understood broadly, for example, when the element is called "fixed to" another element, it can be directly on another element or there can be a middle element. When the element is considered "mounted on" another element, it can be directly mounted on another element or there can be a middle element. When an element is considered "connected" to another element, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be internal communication of two elements.
[0029] For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.
[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the protection scope of the utility model.
[0031] Embodiment one
[0032] Referring to Figure 1 The anti-hand pressing safety device 1 of the utility model is suitable for riveting equipment such as rivet machines, rivet guns, eyelet machines and rivet presses. Figure 1 The whole machine in the utility model is a riveting machine, the riveting machine starts the equipment through a foot switch 5, the whole machine comprises a rack 4, the rack 4 is provided with a machine base 2 and a machine head 3, the machine base 2 is provided with a riveting head, the machine head 3 is provided with a pressing head, the pressing head and the riveting head are oppositely arranged and the contact area of the two forms a working area, a workpiece to be processed is placed between the two and riveted by the pressing head, as shown in Figure 4 The anti-hand pressing safety device 1 is installed on the rack 4 and is used for detecting whether an object is in the working area in the working process of the pressing head and the riveting head approaching each other, so as to judge whether the riveting equipment starts the riveting work, that is, whether the pressing head is pressed to perform the riveting operation.
[0033] In combination with Figures 2-4It can be known that the anti-pressing hand safety device 1 comprises a blocking ring 192, the blocking ring 192 is sleeved on the working area of the riveting equipment; an elastic reset assembly, the elastic reset assembly is connected with the blocking ring 192 and drives the blocking ring 192 to reset; a displacement assembly, the displacement assembly drives the elastic reset assembly to move linearly; and a travel switch 15, the travel switch 15 is located at the end of the elastic reset assembly, and the riveting equipment is started to run after the elastic reset assembly moves to touch the travel switch 15.
[0034] The device determines whether the elastic reset assembly can touch the travel switch 15 by whether the blocking ring 192 is blocked by an object (fingers and any part of the body of the operator), so that the riveting machine is normally started. Specifically, after the operator presses the foot switch 5 to start the riveting equipment, when no object (fingers and any part of the body of the operator) blocks the blocking ring 192, the elastic reset assembly is pushed downward by the displacement assembly to touch the travel switch 15, and the riveting equipment is normally started to run; otherwise, when the blocking ring 192 is blocked by an object (fingers and any part of the body of the operator), the elastic reset assembly will not move downward and will not touch the travel switch 15, and the riveting equipment will not start to run.
[0035] The device forms a certain safety range for the riveting position through the protection of the blocking ring 192, so as to ensure that the worker will not press the fingers and any part of the body and realize safe production.
[0036] Embodiment Two
[0037] Referring to Figures 1-4 Based on the technical scheme of embodiment one, an anti-pressing hand safety device for a riveting equipment is shown in Figure 2 and Figure 3 It can be known that the elastic reset assembly comprises a linear slide rail 12, the linear slide rail 12 is provided with a top block 13 and the blocking ring 192 at two ends respectively, and specifically, the top block 13 is fixed at the upper end of the linear slide rail 12 and the blocking ring 192 is connected at the lower end of the linear slide rail 12.
[0038] Further, the linear slide rail 12 is slidingly installed on the sliding block 11, the sliding block 11 is fixed on the support plate 10, that is, the sliding block 11 is fixed and the linear slide rail 12 can move linearly relative to the sliding block 11. In addition, the support plate 10 and the linear slide rail 12 are respectively provided with an upper fixing piece 172 and a lower fixing piece 171, the upper fixing piece 172 and the lower fixing piece 171 are connected through a spring 170, the upper fixing piece 172 and the lower fixing piece 171 are generally selected to be bolts, the support plate 10 and the linear slide rail 12 are connected through the spring 170, the spring 170 overcomes the weight of the linear slide rail 12 to pull it upward, that is, the linear slide rail 12 is in a reset state under the elastic force of the spring 170, and the blocking ring 192 is also in a reset state.
[0039] Further, the stop ring 192 is connected with the connecting rod 191, the stop ring 192 is welded at one end of the connecting rod 191, and the other end of the connecting rod 191 is fixed at one end of the linear slide rail 12. Specifically, the connecting rod 191 is fixed in the through hole of the adjusting screw 181 and the adjusting sleeve 182, the adjusting screw 181 and the adjusting sleeve 182 are respectively installed on the two sides of the linear slide rail 12 and are connected and fixed, the connecting rod 191 is in a bent structure, the position of the stop ring 192 is indirectly adjusted by adjusting the position of the connecting rod 191 in the through hole of the adjusting sleeve 182, and the entire anti-pressing hand safety device 1 can avoid the installation position of the machine head 3.
[0040] Embodiment three
[0041] Referring to Figures 1-4 As shown in the above embodiment, on the basis of the technical scheme of the above embodiment, an anti-pressing hand safety device for riveting equipment is provided, the displacement assembly is fixed on the support plate 10 and is arranged opposite to the top block 13, so as to directly touch the top block 13 and push the linear movement of the top block 13, the displacement assembly is an electromagnet 14, specifically a push-pull type electromagnet 14, and the specification of DC voltage DC12V 30N is adopted, the pushing force is small, and the fingers and any part of the body of the operator are not easy to be hurt, the shaft core of the electromagnet 14 is stretched out and can push the linear movement of the top block 13.
[0042] Further, the travel switch 15 is located on one side of the top block 13, the contact of the travel switch 15 is arranged in the movement track range of the top block 13, specifically, the contact of the travel switch 15 is arranged below the top block 13 and is above the lowest position of the top block 13. In addition, the travel switch 15 is fixed on the mounting plate 16, and the mounting plate 16 is fixed on the support plate 10.
[0043] In the device, the assembly and cooperation relationship of each component, the electromagnet 14, the travel switch 15, the spring 170, the riveting equipment and the control software thereof are prior art or materials, and the skilled in the art can directly purchase or customize according to the required product model and specification.
[0044] The electrical elements appearing in the text are all connected with the main controller and 220V mains or industrial power supply, and the main controller can be a conventional known device such as a computer that can play a control role.
[0045] The above merely describes preferred specific embodiments of the present application, and common knowledge of specific structures and properties in the scheme is not described in detail herein. For those skilled in the art, it is obvious that the present application is not limited to the details of the above embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and any skilled person in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A safety device for a riveting apparatus to prevent hand compression, characterized by, The device comprises a stop ring (192) which is sleeved on the working area of the riveting device; An elastic reset component is connected to the stop ring (192) and drives the stop ring (192) to reset; A displacement component drives the elastic reset component to move linearly; A travel switch (15) is located at the end of the elastic reset component, and the riveting device starts to operate when the elastic reset component moves to touch the travel switch (15).
2. A safety device for a riveting apparatus as defined in claim 1, wherein The elastic reset component comprises a linear slide rail (12), and the two ends of the linear slide rail (12) are respectively provided with a top block (13) and the stop ring (192).
3. A safety device for a riveting apparatus according to claim 2, wherein The linear slide rail (12) is slidably installed on a sliding block (11), and the sliding block (11) is fixed on a support plate (10).
4. A safety device for a riveting apparatus according to claim 3, wherein The support plate (10) and the linear slide rail (12) are respectively provided with an upper fixing member (172) and a lower fixing member (171), and the upper fixing member (172) and the lower fixing member (171) are connected by a spring (170).
5. A safety device for a rivet setting apparatus according to claim 2, wherein The stop ring (192) is connected to a connecting rod (191), and the connecting rod (191) is fixed on one end of the linear slide rail (12).
6. A guard against hand compression for a riveting apparatus according to claim 5, wherein The connecting rod (191) is fixed in the through hole of an adjusting sleeve (182) by an adjusting screw (181), and the adjusting screw (181) and the adjusting sleeve (182) are respectively installed on the two sides of the linear slide rail (12) and are connected and fixed.
7. A safety device for a rivet setting apparatus according to claim 2, wherein The displacement component is fixed on the support plate (10) and is arranged opposite to the top block (13).
8. A guard against hand compression for a riveting apparatus according to claim 7, characterized in that The displacement component is an electromagnet (14), and the shaft core of the electromagnet (14) extends and can push the top block (13) to move linearly.
9. A safety device for a rivet setting apparatus as defined in claim 2, wherein, The travel switch (15) is located on one side of the top block (13), and the contact of the travel switch (15) is arranged in the movement track range of the top block (13).
10. A guard against hand compression for a riveting apparatus according to claim 9, wherein The travel switch (15) is fixed on a mounting plate (16), and the mounting plate (16) is fixed on the support plate (10).
Citation Information
Patent Citations
Novel hand pressing prevention safety device of rivet pressing machine
CN212525873U
Hand pressing prevention device applied to squeeze riveter
CN215033316U
Hand pressing prevention mechanism of riveting press
CN219561290U