Limiting and clamping structure for stamping hardware fittings
By designing a limit clamping structure for stamping hardware accessories using an electric lifting rod and limit block, the safety hazard of workers directly contacting the stamping point was solved, achieving efficient production and safe operation, and reducing the risk of accidents.
Patent Information
- Application Number
- CN202520274786.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Traditional hardware stamping uses a limiting clamping structure set between the upper and lower dies. When placing hardware sheets, workers need to directly contact the stamping point, which poses a safety hazard and is prone to accidents.
A limiting clamping structure for stamping hardware accessories, including a clamping mechanism and a limiting mechanism, was designed. The structure utilizes an electric lifting rod, a motor, and a placement plate to achieve the rotation of multiple clamping and placement points. Through the cooperation of the limiting block and the sliding groove, the placement plate is stably clamped, avoiding direct contact with the stamping position.
It improves production efficiency, reduces the risk of injury caused by improper operation or equipment failure, enhances the safety of operators, and prevents the metal sheets from moving or falling off during the stamping process.
Smart Images

Figure CN223655901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to round hardware fitting processing technical field especially relates to a hardware fitting stamping limiting and clamping structure. BACKGROUND
[0002] A kind of hardware fitting stamping limiting and clamping structure is a kind of fixed and limiting device specially designed for hardware fitting stamping process, it ensures that hardware fitting can keep stable position in stamping process, prevents displacement or deformation caused by vibration or external force.
[0003] But the limiting and clamping structure of traditional hardware fitting stamping is arranged between upper and lower moulds, staff needs to directly contact stamping point when placing hardware sheet, there is security risk, and accident is prone to occur.
[0004] For example: when placing hardware sheet, staff can be injured even cut off in the operation process due to fatigue, distraction or improper operation, and then cause safety accident, or, stamping equipment has fault or is not maintained properly, such as limit switch failure, mould loosening etc., staff can be suddenly started when placing sheet, and cause accidental injury. INVENTION CONTENTS
[0005] The utility model discloses a kind of hardware fitting stamping limiting and clamping structure, to solve the technical problem that limiting and clamping structure is arranged between upper and lower moulds, staff needs to directly contact stamping point when placing hardware sheet, there is security risk, and accident is prone to occur.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A kind of hardware fitting stamping limiting and clamping structure, including stamping table, lower mould assembly and upper mould assembly, further including:
[0008] Clamping mechanism: the clamping mechanism is arranged on the top outer wall of the stamping table, the top outer wall of the stamping table is provided with a chassis, a fixed plate is provided on the top outer wall of the chassis by bearing, a motor is connected outside the bottom outer wall of the fixed plate, an electric lifting rod is arranged on the top outer wall of the fixed plate, the movable end of the electric lifting rod is provided with four connecting rods, one end of the connecting rod is provided with a placing plate, a placing groove is formed in the top outer wall of the placing plate, a first circular hole is formed in the bottom inner wall of the placing groove;
[0009] Limiting mechanism: the limiting mechanism is arranged on the circumferential outer wall of the placing plate.
[0010] In the case, the structure realizes the rotation use of multiple clamping placement points through the setting of the electric lifting rod, the motor and the placement plate, while stamping a hardware plate, the operator can prepare the next hardware plate on another clamping placement point, thereby greatly shortening the production cycle and improving the production efficiency, and the design of the structure enables the operator to not directly contact the stamping position, thereby greatly reducing the risk of injury caused by improper operation or equipment failure.
[0011] In a preferred scheme, the limiting mechanism includes a limiting block, two sliding grooves are formed on the circumferential inner wall of the fixing groove, the limiting block is slidingly installed on the inner wall of the sliding groove, protrusions are arranged on the two side outer walls of the limiting block, limiting grooves are formed on the opposite inner walls of the sliding groove, the protrusions are slidingly installed on the inner walls of the limiting grooves, and two insertion grooves are formed on the circumferential outer wall of the placement plate.
[0012] Specifically, the limiting block can be accurately moved to the required position through the guidance of the sliding groove by power driving, thereby realizing the stable clamping of the placement plate, the protrusions are arranged on the two side outer walls of the limiting block and are slidingly installed on the inner walls of the limiting grooves, thereby further enhancing the stability of the limiting block and preventing the limiting block from falling off during movement, the limiting mechanism effectively fixes the placement plate, prevents the shaking of the placement plate during stamping from causing the movement or falling off of the hardware plate, reduces the risk of accidents caused by the flying or mispositioning of the hardware fittings, and improves the safety of the operator.
[0013] As can be seen from the above, the limiting clamping structure for hardware fitting stamping includes a stamping table, a lower die assembly and an upper die assembly, and further includes: a clamping mechanism, which is arranged on the top outer wall of the stamping table, a base frame is arranged on the top outer wall of the stamping table, a fixed plate is arranged on the top outer wall of the base frame through a bearing, a motor is arranged outside the bottom outer wall of the fixed plate, an electric lifting rod is arranged on the top outer wall of the fixed plate, four connecting rods are arranged on the movable end of the electric lifting rod, a placement plate is arranged on one end of the connecting rod, a mounting groove is formed on the top outer wall of the placement plate, and a first circular hole is formed on the bottom inner wall of the mounting groove; and a limiting mechanism, which is arranged on the circumferential outer wall of the placement plate. The limiting clamping structure for hardware fitting stamping provided by the present application has the technical effects of improving the safety of equipment use and reducing the accident rate. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The figure is a schematic diagram of the overall structure of the limiting clamping structure for hardware fitting stamping.
[0015] Figure 2 The figure is a schematic diagram of the local structure of the limiting clamping structure for hardware fitting stamping.
[0016] Figure 3 The utility model provides a kind of clamping mechanism schematic diagram of limit clamping structure for hardware fitting stamping.
[0017] Figure 4 The utility model discloses a kind of limit clamping structure for hardware fitting stamping in Figure 3 Middle A place local amplification structure schematic diagram.
[0018] In the drawing: 1, stamping table;2, upper die assembly;3, base;4, underframe;5, support rod;6, assembly plate;7, electric lifting rod;8, connecting rod;9, placement plate;10, slot;11, fixed groove;12, sliding slot;13, limit hole;14, lower die assembly;15, limit block;16, limit slot. Specific implementation
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and indicated in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0020] The utility model discloses a kind of limit clamping structure for hardware fitting stamping mainly applied to limit clamping structure is set between upper and lower die, staff needs direct contact stamping point when placing hardware plate, there is security risk, easy to occur accidental scene.
[0021] Refer to Figure 1 And Figure 2 A kind of limit clamping structure for hardware fitting stamping, including stamping table 1, lower die assembly 14 and upper die assembly 2, still include: clamping mechanism: clamping mechanism is set on the top outer wall of stamping table 1, the top outer wall of stamping table 1 is provided with underframe 4, bearing is provided with fixed plate on the top outer wall of underframe 4, motor is circumscribed on the bottom outer wall of fixed plate, electric lifting rod 7 is set on the top outer wall of fixed plate, four connecting rods 8 are set on the movable end of electric lifting rod 7, one end of connecting rod 8 is provided with placement plate 9, setting groove is opened on the top outer wall of placement plate 9, first circular hole is opened on the bottom inner wall of setting groove;Limit mechanism: limit mechanism is set on the circumferential outer wall of placement plate 9.
[0022] Upper die assembly 2 and lower die assembly 14 are all set on the top outer wall of stamping table 1.
[0023] In the specific embodiment, the structure realizes the rotation use of multiple clamping placement points through the setting of the electric lifting rod 7, the motor and the placement plate 9. While stamping a hardware plate, the operator can prepare the next hardware plate at another clamping placement point, thereby greatly shortening the production cycle and improving the production efficiency. The design of the structure enables the operator to not directly contact the stamping position, thereby greatly reducing the risk of injury caused by improper operation or equipment failure.
[0024] Referring to Figure 1 In a preferred embodiment, the lower die assembly 14 includes the base 3 and the assembly plate 6. The base 3 is arranged on the top outer wall of the stamping table 1. The top outer wall of the base 3 is provided with a punch and four support rods 5. The top outer wall of the assembly plate 6 is provided with a fixed groove 11 and four limiting holes 13. One end of the support rod 5 is arranged on the inner wall of the limiting hole 13. The bottom inner wall of the fixed groove 11 is provided with a second circular hole. The assembly plate 6 is arranged on the top outer wall of the base 3 through a spring. The placement plate 9 is used in cooperation with the fixed groove 11.
[0025] In particular, the assembly plate 6 is connected with the base 3 through the four support rods 5 and the spring. The limiting hole 13 is arranged on the assembly plate 6 to accommodate one end of the support rod 5. This design ensures the stability and position accuracy of the assembly plate 6 during stamping. The support rod 5 plays a supporting and limiting role to prevent the assembly plate 6 from deviating or shaking during stamping, thereby improving the stability and precision of stamping. The fixed groove 11 arranged on the assembly plate 6 not only provides a mounting position for the placement plate 9, but also ensures the stability and accuracy of the placement plate 9 during assembly. Through the guidance of the fixed groove 11, the placement plate 9 can be easily installed to the correct position, avoiding misplacement and deviation during installation. The first circular hole, the second circular hole and the punch have the same cross-sectional diameter. This design enables the upper die assembly 2 to easily and accurately cooperate with the lower die assembly 14 to stamp the hardware plate. This consistency not only improves the assembly efficiency, but also ensures the stability and precision of the stamping process.
[0026] Referring to Figure 3 and Figure 4 In a preferred embodiment, the limiting mechanism includes a limiting block 15. Two sliding grooves 12 are arranged on the circumferential inner wall of the fixed groove 11. The limiting block 15 is slidingly installed on the inner wall of the sliding groove 12. The two side outer walls of the limiting block 15 are provided with protrusions. The opposite inner walls of the sliding groove 12 are provided with limiting grooves 16. The protrusions are slidingly installed on the inner wall of the limiting groove 16. Two insertion grooves 10 are arranged on the circumferential outer wall of the placement plate 9.
[0027] Specifically, through the guidance of the sliding groove 12, the limiting block 15 can be accurately moved to the required position by electric drive, so as to realize the stable clamping of the placing plate 9, the two side outer walls of the limiting block 15 are provided with protrusions, the protrusions are slidingly installed on the inner wall of the limiting groove 16, and the stability of the limiting block 15 is further enhanced, the falling of the limiting block 15 in the moving process is prevented, the limiting mechanism effectively fixes the placing plate 9, prevents the shaking of the placing plate 9 in the stamping process from causing the movement or falling of the hardware plate, reduces the accident risk caused by the flying or mispositioning of the hardware fittings, and improves the safety of the operators.
[0028] With reference to Figure 4 In a preferred embodiment, the length of the limiting groove 16 is less than the length of the sliding groove 12, and the width of the limiting block 15 is matched with the width of the insertion groove 10.
[0029] The length of the limiting groove 16 being less than the length of the sliding groove 12 means that the moving range of the limiting block 15 in the sliding groove 12 is limited, and this design can prevent the limiting block 15 from moving excessively in the sliding groove 12, so as to ensure that the placing plate 9 is stably clamped in the fixing groove 11. When the hardware plate is subjected to the stamping force, the cooperation of the limiting block 15 and the limiting groove 16 can prevent the placing plate 9 from moving or deviating accidentally, and the stability of clamping is improved.
[0030] Working principle: the worker only needs to place the circular hardware plate on the placing plate 9 farthest from the stamping point, the motor drives the connecting plate to rotate the placing plate 9, when the placing plate 9 provided with the plate reaches the stamping point, the electric lifting rod 7 is lowered, the placing plate 9 is attached to the fixing groove 11, the limiting block 15 is slidingly inserted into the insertion groove 10, the placing plate 9 is fixed, finally, the upper die assembly 2 and the lower die assembly 14 cooperate to stamp, and the hardware plate is deformed.
[0031] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this. The substitution can be the substitution of partial structures, devices, method steps, or the substitution of complete technical solutions. According to the technical solutions and the utility model concept of the utility model, equivalent substitution or change should be covered in the protection scope of the utility model.
Claims
1. A limiting and clamping structure for hardware stamping, comprising a stamping table (1), a lower die assembly (14) and an upper die assembly (2), characterized in that, Also include: Clamping mechanism: the clamping mechanism is arranged on the top outer wall of the stamping table (1), the top outer wall of the stamping table (1) is provided with a chassis (4), the top outer wall of the chassis (4) is provided with a fixed plate through a bearing, the bottom outer wall of the fixed plate is circumscribed with a motor, the top outer wall of the fixed plate is provided with an electric lifting rod (7), the movable end of the electric lifting rod (7) is provided with four connecting rods (8), one end of the connecting rod (8) is provided with a placing plate (9), the top outer wall of the placing plate (9) is provided with a placing groove, and the bottom inner wall of the placing groove is provided with a first circular hole; Limiting mechanism: the limiting mechanism is arranged on the circumferential outer wall of the placing plate (9).
2. The positioning and clamping structure for press working of hardware fittings according to claim 1, characterized in that, The lower die assembly (14) comprises a base (3) and an assembly plate (6), the base (3) is arranged on the top outer wall of the stamping table (1), the top outer wall of the base (3) is provided with a convex die and four supporting rods (5), the top outer wall of the assembly plate (6) is provided with a fixed slot (11) and four limiting holes (13), one end of the supporting rod (5) is arranged on the inner wall of the limiting hole (13), the bottom inner wall of the fixed slot (11) is provided with a second circular hole, and the assembly plate (6) is arranged on the top outer wall of the base (3) through a spring.
3. The limit clamping structure for press working of hardware fittings according to claim 2, characterized in that, The placing plate (9) and the fixed slot (11) are used in cooperation.
4. The limit clamping structure for press working of hardware fittings according to claim 3, characterized in that, The limiting mechanism comprises a limiting block (15), two sliding grooves (12) are formed in the circumferential inner wall of the fixed slot (11), the limiting block (15) is slidably installed on the inner wall of the sliding groove (12), protrusions are arranged on the two side outer walls of the limiting block (15), limiting grooves (16) are formed in the opposite inner walls of the sliding grooves (12), the protrusions are slidably installed on the inner walls of the limiting grooves (16), and two insertion grooves (10) are formed in the circumferential outer wall of the placing plate (9).
5. The stopper structure for press working of a hardware fitting according to claim 4, wherein The length of the limiting groove (16) is less than the length of the sliding groove (12).
6. The stopper structure for press working of a hardware fitting according to claim 5, wherein The width of the limiting block (15) is matched with the width of the insertion groove (10).
7. The structure for limiting and clamping of a hardware fitting punching according to claim 1, characterized in that, The upper die assembly (2) and the lower die assembly (14) are arranged on the top outer wall of the stamping table (1).