Stamping die with adjustable die cavity

Abstract

The utility model discloses a stamping die with an adjustable die cavity, which comprises a bottom plate, the four corners of the top surface of the bottom plate are fixedly connected with the lower ends of limiting columns, the middle end of the top surface of the bottom plate is fixedly connected with the bottom surface of a stamping groove, and the upper ends of the limiting columns are fixedly connected with through holes at the four corners of the top plate. Through the arrangement of the pressing plate and the springs, after the device is adjusted, the device can automatically adapt to the adjusted stamping posture through cooperation between the pressing plate and the springs, and the arrangement of the three sets of springs can avoid the problem that a steel plate cannot be tightly pressed by the pressing plate, so that the stamping fault cannot be achieved; the adjusting mechanism is arranged in the stamping groove, so that the device can drive the lifting plate to ascend and descend through a threaded rod by means of meshing of a worm gear and a worm through transmission of a motor, the purpose of adjusting the die cavity is achieved, certain self-locking performance and accuracy are achieved through cooperation of the assemblies, and the overall working efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the relevant field of stamping technology, in particular to a stamping die with adjustable die cavity. Background Art

[0002] Traditional stamping dies are usually designed for workpieces of specific sizes. When the workpiece size changes, the corresponding die needs to be replaced. This method is more efficient in mass production, but it is not economical in small batches or diversified production. In order to solve this problem, researchers proposed a stamping die design with adjustable cavity.

[0003] Existing adjustable stamping dies, such as the Chinese utility model patent with patent number CN202311046848.3, discloses "A stamping die with adjustable cavity". In this device, a connecting plate is fixedly connected to the top of the parallel bracket, a servo motor is fixedly installed on the top of the connecting plate, the output end of the servo motor passes through the connecting plate and is fixedly connected to a threaded rod 1, the outer side of the threaded rod 1 is threadedly connected to a threaded sleeve 1, the outer side of the threaded sleeve 1 is fixedly connected to a sliding plate, and a slide groove is provided on the side of the parallel bracket, and the sliding plate is embedded in the inner side of the slide groove. The movement between mold 1 and mold 2 is driven by the rotation of the threaded sleeve 2, so that the space in the mold cavity is adjusted, and when the steel plate material is processed into different shapes, there is no need to change different molds, which improves the practicality of the mold. At the same time, for mass production, there is no need to prepare multiple molds, which saves costs and is conducive to the long-term use of the stamping mold.

[0004] Although the above device has certain advantages, it still has certain defects:

[0005] 1. The adjustment component of the device is adjusted manually, and the adjustment accuracy is largely uncontrollable, which may cause the stamped steel plate to not meet the requirements, thereby reducing the overall work efficiency.

[0006] 2. The upper mold of the device cannot adjust its posture accordingly according to the adjustment of the lower mold, so that the steel plate can be more closely adjusted to the internal adjustment of the lower mold during stamping, avoiding stamping errors after the adjustment of the lower mold. Utility Model Content

[0007] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a stamping die with adjustable die cavity.

[0008] The utility model is implemented in this way, constructing a stamping die with adjustable die cavity, the device comprises a bottom plate, the four corners of the top surface of the bottom plate are fixedly connected to the lower end of the limiting column, the middle end of the top surface of the bottom plate is fixedly connected to the bottom surface of the stamping groove, the upper end of the limiting column is fixedly connected to the through holes at the four corners of the top plate, the middle end of the top surface of the top plate is fixedly connected to the bottom surface of the electric push rod, and the telescopic rod at the lower end of the electric push rod passes through the top plate and is fixedly connected to the top surface of the stamping plate, the bottom surface of the stamping plate is provided with a stamping block, and the through holes at the four corners of the stamping plate are slidably connected to the limiting columns;

[0009] It is characterized in that it also includes: a movable mechanism, the inner groove of the punching block is provided with a movable mechanism; an adjustment mechanism, the inner groove of the punching block is provided with an adjustment mechanism;

[0010] The movable mechanism includes: a clamping plate, the internal grooves of the stamping block are in contact with the front and back faces of the clamping plate, grooves are respectively provided at the middle ends of the four corners of the clamping plate, and limit blocks are provided inside the grooves, and three groups of springs are equidistantly provided on the top surface of the clamping plate, and the upper ends of the springs pass through the through holes at the upper ends of the stamping block and are fixedly connected to the bottom surface of the stamping plate.

[0011] Preferably, the adjustment mechanism includes: a fixing part, the left side of the right groove inside the stamping groove is fixedly connected to the left side of the fixing part, the middle groove of the fixing part is rotatably connected to the worm gear, and the right side of the worm gear is meshed with the left side of the worm, and a threaded rod is provided on the right side of the top surface of the fixing part, and the lower end of the threaded rod passes through the fixing part and is fixedly connected to the upper end of the worm gear.

[0012] Preferably, the bottom surface of the pressing plate is the same size as the top surface of the long plate at the middle end of the lifting plate.

[0013] Preferably, the four groups of limit blocks inside the groove are provided with limit grooves corresponding to the sizes of the front and rear end protrusions of the limit blocks at the positions corresponding to the inner groove of the stamping block.

[0014] Preferably, the front end of the worm is fixedly connected to the rear end output shaft of the motor, and the front of the motor is fixedly connected to the front of the right groove inside the stamping groove, and the upper end of the threaded rod is threadedly connected to the threaded hole at the right end of the lifting plate.

[0015] Preferably, the middle end of the lifting plate is located in a middle groove inside the stamping groove, and the left and right ends of the lifting plate are respectively located in the grooves on the left and right sides of the stamping groove.

[0016] The utility model has the following advantages: The utility model provides a cavity adjustable stamping die through improvement, which has the following improvements compared with the same type of equipment:

[0017] The utility model discloses a stamping die with adjustable mold cavity, which arranges a movable mechanism in the inner groove of the stamping block so that after adjustment, the device can automatically adapt to the adjusted stamping posture by relying on the cooperation between the clamping plate and the spring, and the arrangement of the three sets of springs can avoid the problem that the clamping plate cannot tightly press the steel plate, thereby preventing the error of stamping.

[0018] The utility model discloses a stamping die with adjustable mold cavity. By arranging an adjustment mechanism inside the stamping groove, the device can be driven by a motor to drive the lifting plate to rise and fall through a threaded rod through the engagement of a worm gear and a worm, so as to achieve the purpose of adjusting the mold cavity. The cooperation of the above-mentioned components has a certain degree of self-locking and precision, which can effectively improve the overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the punching groove of the utility model;

[0021] Figure 3 It is a schematic diagram of the deconstruction of the punching block of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the activity mechanism of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the regulating mechanism of the utility model;

[0024] Figure 6 It is a schematic diagram of the structure of the fixing part, worm wheel and worm of the utility model.

[0025] Among them: bottom plate-1, limit column-2, top plate-3, electric push rod-4, stamping plate-5, stamping groove-6, stamping block-7, movable mechanism-8, clamping plate-81, groove-82, limit block-83, spring-84, adjustment mechanism-9, fixing part-91, worm wheel-92, worm-93, motor-94, threaded rod-95, lifting plate-96. DETAILED DESCRIPTION

[0026] The following will be combined with the attached Figure 1-6 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1:

[0027] See also Figure 1 , Figure 2 and Figure 3 The utility model discloses a stamping die with adjustable mold cavity, the four corners of the top surface of the bottom plate 1 are fixedly connected to the lower end of the limit column 2, the middle end of the top surface of the bottom plate 1 is fixedly connected to the bottom surface of the stamping groove 6, the upper end of the limit column 2 is fixedly connected to the through holes at the four corners of the top plate 3, the middle end of the top surface of the top plate 3 is fixedly connected to the bottom surface of the electric push rod 4, and the telescopic rod at the lower end of the electric push rod 4 passes through the top plate 3 and is fixedly connected to the top surface of the stamping plate 5, a stamping block 7 is provided on the bottom surface of the stamping plate 5, and the through holes at the four corners of the stamping plate 5 are slidably connected to the limit column 2.

[0028] See also Figure 4 The utility model is a stamping die with adjustable cavity, and the movable mechanism 8 includes: the internal groove of the stamping block 7 contacts the front and rear surfaces of the pressing plate 81, the middle ends of the four corners of the pressing plate 81 are respectively provided with grooves 82, and the inner parts of the grooves 82 are provided with limit blocks 83, and the top surface of the pressing plate 81 is respectively provided with three groups of springs 84 at equal distances on the left and right, and the upper ends of the springs 84 pass through the through holes at the upper ends of the stamping block 7 and are fixedly connected with the bottom surface of the stamping plate 5; the size of the bottom surface of the pressing plate 81 is the same as the size of the top surface of the long plate at the middle end of the lifting plate 96, so that the pressing plate 81 can stamp the adjusted adjustment mechanism 9; the four groups of limit blocks 83 inside the groove 82 are provided with limit grooves corresponding to the size of the front and rear end protrusions of the limit blocks 83 at the positions corresponding to the internal grooves of the stamping block 7, so as to facilitate the movement of the limit blocks 83 into the limit grooves of the internal grooves of the stamping block 7, so as to achieve the function of fixing and limiting the movable mechanism 8.

[0029] See also Figure 5 and Figure 6 The utility model is a stamping die with adjustable cavity, and the adjusting mechanism 9 includes: the left side of the right groove inside the stamping groove 6 is fixedly connected to the left side of the fixing member 91, the middle end groove of the fixing member 91 is rotatably connected to the worm gear 92, and the right side of the worm gear 92 is meshed with the left side of the worm 93, and a threaded rod 95 is provided on the right side of the top surface of the fixing member 91, and the lower end of the threaded rod 95 passes through the fixing member 91 and is fixedly connected to the upper end of the worm gear 92; the front end of the worm gear 93 is fixedly connected to the rear end output shaft of the motor 94, and the front end of the motor 94 is fixedly connected to the front of the right groove inside the stamping groove 6, and the upper end of the threaded rod 95 is threadedly connected to the threaded hole at the right end of the lifting plate 96; the middle end of the lifting plate 96 is located in the middle end groove inside the stamping groove 6, and the left and right ends of the lifting plate 96 are respectively located in the grooves on the left and right sides of the stamping groove 6. Embodiment 2:

[0030] The utility model discloses a stamping die with adjustable cavity, in which the middle end of the bottom surface of the middle end groove inside the stamping groove 6 is provided with a storage groove which can accommodate the middle end long plate of the lifting plate 96, so as to facilitate the storage of the lifting plate 96 and avoid the lifting plate 96 affecting the stamping work of the device when no adjustment is needed; threaded holes are respectively provided on the left and right ends of the lifting plate 96, and two groups of fixing parts 91, worm gear 92, worm 93, motor 94 and threaded rod 95 are respectively provided, and are symmetrically arranged according to the threaded holes on the left and right ends of the lifting plate 96.

[0031] The utility model provides a cavity adjustable stamping die through improvement, and its working principle is as follows;

[0032] First, when using this device, first place the device in the working area, and then connect the device to the external power supply and external controller to provide the required power for the operation of the device;

[0033] Second, first place the steel plate to be stamped on the top surface of the stamping slot 6, start the electric push rod 4 through the external controller, and the electric push rod 4 drives the stamping plate 5 to move downward along the limit column 2 through the telescopic rod, thereby driving the stamping block 7 to press the steel plate down to the middle end of the stamping slot 6, so as to complete the stamping;

[0034] Third, when the stamping groove 6 needs to be adjusted, first start the motor 94 through the external controller. The motor 94 drives the worm 93 through the output shaft. The worm 93 is meshed with the worm wheel 92, and the worm wheel 92 will drive the threaded rod 95 to rotate. The threaded rod 95 will be threadedly connected with the lifting plate 96, thereby driving the lifting plate 96 to lift, thereby completing the adjustment of the stamping groove 6. At the same time, the limit block 83 is moved out of the limit groove of the internal groove of the stamping block 7, so that the clamping plate 81 can release the fixed limit, so that when the stamping block 7 is stamping the steel plate, the clamping plate 81 and the spring 84 can cooperate to better compact the steel plate, thereby avoiding the steel plate not being stamped well due to the different shape of the mold cavity caused by the adjustment of the adjustment mechanism 9.

[0035] The utility model provides an improved stamping die with adjustable cavity, and by arranging a movable mechanism 8 in the internal groove of the stamping block 7, the device can automatically adapt to the adjusted stamping posture by relying on the cooperation between the clamping plate 81 and the spring 84 after adjustment, and the arrangement of the three groups of springs 84 can avoid the problem that the clamping plate 81 cannot tightly compact the steel plate, and thus the error of stamping cannot be caused; by arranging the adjusting mechanism 9 inside the stamping groove 6, the device can be driven by the motor 94 to drive the lifting plate 96 to rise and fall through the threaded rod 95 through the engagement of the worm wheel 92 and the worm 93, so as to achieve the purpose of adjusting the cavity, and the cooperation of the above components has a certain self-locking property and precision, which can effectively improve the overall work efficiency.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0037] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A stamping die with adjustable die cavity, comprising a bottom plate (1), wherein the four corners of the top surface of the bottom plate (1) are fixedly connected to the lower end of a limiting column (2), the middle end of the top surface of the bottom plate (1) is fixedly connected to the bottom surface of a stamping groove (6), the upper end of the limiting column (2) is fixedly connected to through holes at the four corners of a top plate (3), the middle end of the top surface of the top plate (3) is fixedly connected to the bottom surface of an electric push rod (4), and the telescopic rod at the lower end of the electric push rod (4) passes through the top plate (3) and is fixedly connected to the top surface of a stamping plate (5), the bottom surface of the stamping plate (5) is provided with a stamping block (7), and the through holes at the four corners of the stamping plate (5) are slidably connected to the limiting columns (2); Features: Also includes: A movable mechanism (8), wherein the groove inside the punching block (7) is provided with a movable mechanism (8); an adjustment mechanism (9), wherein the punching groove (6) is provided with an adjustment mechanism (9); The movable mechanism (8) comprises: a clamping plate (81), the internal grooves of the punching block (7) are in contact with the front and rear surfaces of the clamping plate (81), the middle ends of the four corners of the clamping plate (81) are respectively provided with grooves (82), and the grooves (82) are provided with limit blocks (83), and the top surface of the clamping plate (81) is provided with three groups of springs (84) at equal distances from each other, and the upper ends of the springs (84) pass through the through holes at the upper end of the punching block (7) and are fixedly connected to the bottom surface of the punching plate (5).

2. The stamping die with adjustable die cavity according to claim 1, characterized in that: The adjusting mechanism (9) comprises: a fixing member (91), the left side of the right groove inside the stamping groove (6) is fixedly connected to the left side of the fixing member (91), the middle groove of the fixing member (91) is rotatably connected to the worm wheel (92), and the right side of the worm wheel (92) is meshed with the left side of the worm (93), and a threaded rod (95) is provided on the right side of the top surface of the fixing member (91), and the lower end of the threaded rod (95) passes through the fixing member (91) and is fixedly connected to the upper end of the worm wheel (92).

3. The stamping die with adjustable die cavity according to claim 2, characterized in that: The size of the bottom surface of the pressing plate (81) is the same as the size of the top surface of the long plate at the middle end of the lifting plate (96).

4. The stamping die with adjustable die cavity according to claim 3, characterized in that: The four groups of limit blocks (83) inside the groove (82) are all provided with limit grooves corresponding to the size of the front and rear end protrusions of the limit blocks (83) at positions corresponding to the inner grooves of the punching block (7).

5. The punching die with adjustable die cavity according to claim 4, characterized in that: The front end of the worm (93) is fixedly connected to the rear output shaft of the motor (94), and the front of the motor (94) is fixedly connected to the front of the right groove inside the punching groove (6), and the upper end of the threaded rod (95) is threadedly connected to the threaded hole at the right end of the lifting plate (96).

6. The stamping die with adjustable die cavity according to claim 5, characterized in that: The middle end of the lifting plate (96) is located in a middle groove inside the punching groove (6), and the left and right ends of the lifting plate (96) are respectively located in grooves on the left and right sides of the punching groove (6).

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