Precision punching die with adjustable chain plate pitch
The punching spacing adjustment is achieved through the relationship between magnetic repulsion and rack plate meshing, and combined with hydraulic push rod and pull plate design, the punching spacing cannot be adjusted due to the fixed installation of punching heads in the prior art, and the production efficiency is improved Practicality of the device.
Patent Information
- Application Number
- CN202421083149.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-17
AI Technical Summary
In existing chain plate punching molds, the punching head is fixedly installed, resulting in a single hole specification, the punching spacing cannot be adjusted, which affects production efficiency and is difficult to quickly meet the processing needs of different pitches.
A precision punching mold with adjustable link pitch is designed, using magnetic repulsion force and the meshing relationship between the rack plate and the cylindrical gear, so as to adjust the equal spacing distance between multiple punching heads, and pass through hydraulic push rods and pulling The combination of the plate enables rapid replacement of the punching head.
It realizes precision adjustment of punching spacing and rapid replacement of punching heads, improves production efficiency and device practicality, and solves the problem of impaired punching spacing.
Smart Images
Figure CN222268402U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stamping dies, in particular to a precision punching die with adjustable chain plate pitch. Background Art
[0002] Chain plates are mainly used for automatic conveying, distribution and in-line conveying of downstream packaging of food, canned goods, tobacco, etc. During the production process, chain plates are mostly punched by stamping, which has high production efficiency and is easy to operate.
[0003] At present, the punching heads on the existing chain plate punching dies are generally fixed and cannot be adjusted, resulting in a single specification of the punched holes. In addition, since the punching heads are fixed, the spacing of the punching holes cannot be adjusted. If chain plates with different pitches need to be processed, the corresponding punching dies must be replaced for punching. It is difficult to quickly meet the equal spacing adjustment of multiple punching heads according to production needs, which reduces production efficiency and has certain limitations.
[0004] Therefore, we proposed a precision punching die with adjustable chain plate pitch to solve the above problems. Summary of the invention
[0005] The purpose of the utility model is to provide a precision punching die with adjustable chain plate pitch, so as to solve the problem that the existing punching heads are mostly fixedly installed in the above-mentioned background technology, so that the spacing of the punching holes cannot be adjusted. If it is necessary to process chain plates with different pitches, it is necessary to replace the punching die adapted thereto for punching, which affects the production efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision punching die with adjustable chain plate pitch, comprising an operating table and an installation box, wherein two connecting holes are symmetrically provided on the side wall of the installation box, a second rectangular hole is symmetrically provided on the top of the installation box, a center plate is fixedly connected through the center of the bottom wall of the installation box, and a plurality of adjustment components are symmetrically embedded and slidably connected on the bottom wall of the installation box, each of the adjustment components comprises a movable plate, a through hole is provided on the side wall of the movable plate, a bolt is threadedly connected through the top of the movable plate, one end of the bolt is rotatably connected to a pressure plate after passing through the top wall of the through hole, a first magnetic block is symmetrically fixedly connected to the side wall of the center plate, each of the side walls of the movable plate is symmetrically fixedly connected to the second magnetic block, the side walls of the movable plates at both ends are fixedly connected to connecting plates, one end of each connecting plate is fixedly connected to the side wall after passing through adjacent connecting holes, a cylindrical gear is symmetrically rotatably connected to the side wall of the installation box, a threaded rod is threadedly connected through the side wall of the installation box, and one end of the threaded rod is rotatably connected to the adjacent side wall of the movable plate.
[0007] Preferably, a first rectangular hole is symmetrically opened at the bottom end of the installation box, and a sliding hole is symmetrically opened on the side wall of each movable plate. The movable plate is slidably connected to the corresponding first rectangular hole through the sliding hole. The top of the operating table is fixedly connected to a support plate, the top of the support plate is fixedly connected to a top plate, and the top of the top plate is fixedly connected to a hydraulic push rod, and the movable end of the hydraulic push rod passes through the top plate and is fixedly connected to the top of the installation box.
[0008] Preferably, the top end of each bolt passes through the second rectangular hole, the pressure plate slides against the inner wall of the through hole, the bottom end of the pressure plate contacts the bottom wall of the installation box, and each rack plate is meshed and connected with the cylindrical gear.
[0009] Preferably, each movable plate has a mounting hole at the bottom end, a circular groove is symmetrically formed on the side wall on one side of the mounting hole, and a limiting hole is symmetrically formed on the side wall on the other side of the mounting hole. The disassembly assembly includes two sliding rods, and each of the sliding rods is slidably connected to the corresponding circular groove.
[0010] Preferably, one end of each of the sliding rods is fixedly connected to a limiting rod, one end of the limiting rod passes through the adjacent limiting hole, the inner wall of the circular groove is fixedly connected to a spring, one end of the spring is fixedly connected to the side wall of the limiting rod, and one end of the two sliding rods is commonly fixedly connected to a pull plate.
[0011] Preferably, the punching head is slidably connected to the inside of the mounting hole, and circular holes are symmetrically provided on the side wall of the punching head, and each of the circular holes is slidably connected to a limiting rod penetrating therein.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. Through the magnetic repulsion between two adjacent second magnetic blocks, multiple movable plates on the right side are synchronously adjusted to equidistant positions, and the meshing relationship between the rack plate and the cylindrical gear is utilized to drive the rack plate on the left side and the leftmost movable plate to synchronously move toward each other, and under the action of the magnetic repulsion of the left second magnetic block, the left movable plate is synchronously and equidistantly moved toward each other with the right movable plate, so that the distance adjustment between multiple punching heads is completed at equal intervals, and precise punching operations are realized, which solves the problem that most of the existing punching heads are fixedly installed, so that the spacing of the punching holes cannot be adjusted. If chain plates with different pitches need to be processed, the corresponding molds must be replaced for punching, which affects the production efficiency, thereby improving the production efficiency and the practicality of the device.
[0014] 2. When replacing the punching head, pull the pull plate at the punching head that needs to be replaced outward, so that the pull plate drives the limit rod to compress the spring and then enter the circular groove, release the limit of the limit rod on the punching head, and then pull the punching head out of the installation hole for replacement, so as to realize the rapid replacement of the punching head. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the installation box in the utility model;
[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation box in the utility model when viewed from above;
[0018] Figure 4 It is a three-dimensional structural schematic diagram of the installation box and the adjustment assembly in the utility model;
[0019] Figure 5 It is a three-dimensional structural schematic diagram of the adjustment component and the center plate in the utility model;
[0020] Figure 6 It is a three-dimensional structural schematic diagram of the punching head in the utility model.
[0021] In the figure: 1. operating table; 2. supporting plate; 3. top plate; 4. hydraulic push rod; 5. installation box; 51. threaded rod; 52. connecting hole; 53. first rectangular hole; 54. second rectangular hole; 6. center plate; 61. first magnetic block; 7. adjustment assembly; 71. moving plate; 72. bolt; 73. pressure plate; 74. connecting plate; 75. rack plate; 76. cylindrical gear; 77. sliding hole; 78. second magnetic block; 79. installation hole; 710. limiting hole; 711. circular groove; 712. through hole; 8. disassembly assembly; 81. pull plate; 82. slide rod; 83. limiting rod; 84. spring; 9. punching head; 91. circular hole. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0023] Example 1: Please refer to Figure 1-4The chain plate pitch adjustable precision punching die comprises an operating table 1 and an installation box 5. The side wall of the installation box 5 is symmetrically provided with two connection holes 52. The top of the installation box 5 is symmetrically provided with a second rectangular hole 54. The center of the bottom wall of the installation box 5 is penetrated and fixedly connected with a center plate 6. The bottom wall of the installation box 5 is symmetrically embedded with a plurality of adjustment components 7 for sliding connection. Each adjustment component 7 comprises a moving plate 71. The side wall of the moving plate 71 is provided with a through hole 712. The top of the moving plate 71 is threadedly connected with a bolt 72. One end of the bolt 72 penetrates the top wall of the through hole 712 and is rotatably connected with a pressing plate 73. The side wall of the center plate 6 is symmetrically fixedly connected with a first magnetic block 61. Each side wall of the movable plate 71 is symmetrically fixedly connected with a second magnetic block 78, and the side walls of the movable plates 71 at both ends are fixedly connected with connecting plates 74, and one end of each connecting plate 74 passes through the adjacent connecting hole 52 and is fixedly connected to the rear side wall with a rack plate 75, and the side wall at the center of the installation box 5 is symmetrically rotatably connected with a cylindrical gear 76, and the side wall of the installation box 5 is threadedly connected with a threaded rod 51, and one end of the threaded rod 51 is rotatably connected to the adjacent side wall of the movable plate 71; the first magnetic block 61 and the second magnetic block 78 are both like-polar magnets, so that there will be mutually repulsive magnetic forces between each movable plate 71, and between the movable plate 71 and the center plate 6.
[0024] A first rectangular hole 53 is symmetrically provided at the bottom end of the installation box 5, and a sliding hole 77 is symmetrically provided on the side wall of each movable plate 71. The movable plate 71 is slidably connected to the corresponding first rectangular hole 53 through the sliding hole 77. The top of the operating table 1 is fixedly connected to the support plate 2, the top of the support plate 2 is fixedly connected to the top plate 3, the top of the top plate 3 is fixedly connected to the hydraulic push rod 4, and the movable end of the hydraulic push rod 4 passes through the top plate 3 and is fixedly connected to the top of the installation box 5; the top end of each bolt 72 passes through the second rectangular hole 54, the pressure plate 73 slides against the inner wall of the through hole 712, the bottom end of the pressure plate 73 contacts the inner bottom wall of the installation box 5, and each rack plate 75 is meshed with the cylindrical gear 76.
[0025] When the distance between the punching heads 9 needs to be adjusted, the plurality of bolts 72 are first screwed upward to move the pressure plate 73 away from the inner bottom wall of the installation box 5, thereby releasing the limit on the movable plate 71, and then the rightmost movable plate 71 is driven to move leftward or rightward in the horizontal position by rotating the threaded rod 51, wherein the first magnetic block 61 and the second magnetic block 78 are both magnets of the same polarity, so that there is a mutually repulsive magnetic force between each movable plate 71, and between the movable plate 71 and the center plate 6; when the rightmost movable plate 71 is driven by the threaded rod 51 to adjust the position, the magnetic repulsion between the two adjacent second magnetic blocks 78 causes the multiple movable plates 71 on the right to adjust the position synchronously, and the adjustment spacing between the movable plates 71 is always kept consistent, thereby realizing precise spacing adjustment; wherein the first rectangular hole 53 and the sliding hole 77 cooperate with each other to make the multiple movable plates 71 The position can only be adjusted in the horizontal direction to avoid offset; when the threaded rod 51 drives the right movable plate 71 to adjust the position, the rack plate 75 on the right moves synchronously, and the meshing relationship between the rack plate 75 and the cylindrical gear 76 is utilized to drive the rack plate 75 on the left and the movable plate 71 on the leftmost side to move synchronously toward each other. Similarly, under the action of the magnetic repulsion force of the second magnetic block 78 on the left, the movable plate 71 on the left moves synchronously and equidistantly with the movable plate 71 on the right, thereby completing the distance adjustment between multiple punching heads 9 at equal intervals, thereby improving the practicality of the punching machine; after the distance adjustment between the punching heads 9 is completed, the bolt 72 is rotated to move the pressure plate 73 downward until it is tightly against the bottom wall of the installation box 5, thereby completing the limit fixation of the movable plate 71, avoiding movement during the punching operation, and improving the punching stability; then the punching head 9 is driven by the hydraulic push rod 4 to perform the punching operation.
[0026] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 5 A mounting hole 79 is provided at the bottom end of each movable plate 71, a circular groove 711 is symmetrically provided on the side wall of one side of the mounting hole 79, and a limiting hole 710 is symmetrically provided on the side wall of the other side of the mounting hole 79. The disassembly component 8 includes two sliding rods 82, and each sliding rod 82 is slidably connected to the corresponding circular groove 711.
[0027] One end of each sliding rod 82 is fixedly connected to a limiting rod 83, one end of the limiting rod 83 passes through the adjacent limiting hole 710, a spring 84 is fixedly connected to the inner wall of the circular groove 711, one end of the spring 84 is fixedly connected to the side wall of the limiting rod 83, and one end of the two sliding rods 82 is commonly fixedly connected to a pull plate 81; the punching head 9 is slidably connected to the inside of the mounting hole 79, and circular holes 91 are symmetrically provided on the side walls of the punching head 9, and each circular hole 91 is slidably connected to the limiting rod 83, and under the elastic action of the spring 84, the limiting rod 83 is driven to reset, so that the limiting rod 83 passes through the circular hole 91 and the limiting hole 710 in turn, and the punching head 9 is limited and fixed.
[0028] In this embodiment: after multiple punchings, when the punching head 9 needs to be replaced, the pull plate 81 at the location where the punching head 9 needs to be replaced is pulled outward, so that the pull plate 81 drives the limiting rod 83 to compress the spring 84 and then enters the circular groove 711, releasing the limiting effect of the limiting rod 83 on the punching head 9, and then the punching head 9 is pulled out of the mounting hole 79 and replaced, and then the pull plate 81 is loosened, and under the elastic action of the spring 84, the limiting rod 83 is driven to reset, so that the limiting rod 83 passes through the circular hole 91 and the limiting hole 710 in turn, and the punching head 9 is limited and fixed, thereby realizing the rapid replacement of the punching head 9.
[0029] Working principle: First, screw the multiple bolts 72 upward to make the pressure plate 73 away from the inner bottom wall of the installation box 5, release the limit on the movable plate 71, and drive the rightmost movable plate 71 to adjust its position by rotating the threaded rod 51. Through the magnetic repulsion between the two adjacent second magnetic blocks 78, the multiple movable plates 71 on the right are synchronously adjusted to equidistant positions. In the process of the threaded rod 51 driving the right movable plate 71 to adjust its position, the rack plate 75 on the right moves synchronously, and the rack plate 75 on the left and the leftmost movable plate 71 are driven by the cylindrical gear 76 to move synchronously toward each other. Similarly, under the action of the magnetic repulsion of the left second magnetic block 78, the left movable plate 71 moves synchronously and equidistantly toward the right movable plate 71. Move; after the spacing between the punching heads 9 is adjusted, turn the bolt 72 to move the pressure plate 73 downward until it is tightly against the bottom wall of the installation box 5; then drive the punching head 9 to perform the punching operation through the hydraulic push rod 4; when the punching head 9 needs to be replaced, pull the pull plate 81 at the punching head 9 that needs to be replaced outward, so that the pull plate 81 drives the limiting rod 83 to compress the spring 84 and then enter the circular groove 711, release the limiting rod 83 on the punching head 9, and then pull the punching head 9 out of the installation hole 79 for replacement, and then loosen the pull plate 81, and under the elastic action of the spring 84, drive the limiting rod 83 to reset, so that the limiting rod 83 passes through the circular hole 91 and the limiting hole 710 in turn, and the punching head 9 is limited and fixed.
[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A precision punching die with adjustable chain plate pitch, comprising an operating table (1), an installation box (5), a disassembly assembly (8) and a punching head (9), characterized in that: The side wall of the installation box (5) is symmetrically provided with two connection holes (52); the top of the installation box (5) is symmetrically provided with a second rectangular hole (54); a center plate (6) is fixedly connected to the center of the bottom wall of the installation box (5); a plurality of adjustment components (7) are symmetrically embedded and slidably connected to the bottom wall of the installation box (5); each of the adjustment components (7) comprises a movable plate (71); a through hole (712) is provided on the side wall of the movable plate (71); a bolt (72) is threadedly connected to the top of the movable plate (71); one end of the bolt (72) passes through the top wall of the through hole (712) and is rotatably connected to a pressure plate (73); The side wall of the center plate (6) is symmetrically fixedly connected with a first magnetic block (61), and each side wall of the movable plate (71) is symmetrically fixedly connected with a second magnetic block (78). The side walls of the movable plates (71) at both ends are fixedly connected with connecting plates (74), and one end of each connecting plate (74) passes through an adjacent connecting hole (52), and the rear side wall is fixedly connected with a rack plate (75). The side wall at the center of the installation box (5) is symmetrically rotatably connected with a cylindrical gear (76), and a threaded rod (51) is threadedly connected to the side wall of the installation box (5), and one end of the threaded rod (51) is rotatably connected to the adjacent side wall of the movable plate (71).
2. The chain plate pitch adjustable precision punching die according to claim 1, characterized in that: The bottom end of the installation box (5) is symmetrically provided with a first rectangular hole (53), and the side wall of each movable plate (71) is symmetrically provided with a sliding hole (77). The movable plate (71) is slidably connected to the inside of the corresponding first rectangular hole (53) through the sliding hole (77). The top end of the operating table (1) is fixedly connected to a support plate (2), the top end of the support plate (2) is fixedly connected to a top plate (3), the top end of the top plate (3) is fixedly connected to a hydraulic push rod (4), and the movable end of the hydraulic push rod (4) passes through the top plate (3) and is fixedly connected to the top end of the installation box (5).
3. The chain plate pitch adjustable precision punching die according to claim 1, characterized in that: The top end of each bolt (72) passes through the second rectangular hole (54), the pressure plate (73) slides against the inner wall of the through hole (712), the bottom end of the pressure plate (73) contacts the inner bottom wall of the installation box (5), and each rack plate (75) is meshedly connected with the cylindrical gear (76).
4. The chain plate pitch adjustable precision punching die according to claim 1, characterized in that: Each movable plate (71) has a mounting hole (79) at its bottom end, a circular groove (711) is symmetrically formed on one side wall of the mounting hole (79), and a limiting hole (710) is symmetrically formed on the other side wall of the mounting hole (79). The disassembly assembly (8) includes two sliding rods (82), and each sliding rod (82) penetrates and is slidably connected to the inside of a corresponding circular groove (711).
5. The chain plate pitch adjustable precision punching die according to claim 4, characterized in that: One end of each of the sliding rods (82) is fixedly connected to a limiting rod (83), one end of the limiting rod (83) passes through the interior of an adjacent limiting hole (710), a spring (84) is fixedly connected to the inner wall of the circular groove (711), one end of the spring (84) is fixedly connected to the side wall of the limiting rod (83), and one end of the two sliding rods (82) is commonly fixedly connected to a pull plate (81).
6. The chain plate pitch adjustable precision punching die according to claim 4, characterized in that: The punching head (9) is slidably connected to the inside of the mounting hole (79); circular holes (91) are symmetrically opened on the side wall of the punching head (9); and each circular hole (91) is slidably connected to a limiting rod (83) penetrating therethrough.