A fixed-length perforating device for a conveyor chain

Abstract

The utility model relates to conveying chain fixed length punching device technical field, especially a conveying chain fixed length punching device, including operation platform, support stand, positioning module and the stamping die module of support stand top, the stamping die module includes air cylinder, installation stand, punch plate, guide pillar and punch, support stand is equipped with two groups, two groups parallelly arranged, its top is fixed with support plate, and the front side group support stand slidingly connects punch plate, the support plate is fixed with air cylinder, air cylinder output shaft connects installation stand, and the installation stand bottom is fixed punch plate, punch plate bottom is equipped with two groups punch module components that set up in parallel, and the guide pillar is arranged between two groups punch module components. Double stand and hardening guide pillar form triangular bearing structure, and the anti -eccentric load capacity is promoted, and the stepped hole and tungsten steel bushing combination prolong the die life, and the V-shaped guide flange and polyurethane pad constitute two -stage buffer noise reduction, and the damping hinge design of positioning module makes chain repeat positioning accuracy improve.

Description

Technical Field

[0001] This utility model relates to the technical field of conveyor chain fixed-length punching device, and in particular to a conveyor chain fixed-length punching device. Background Technology

[0002] With the development of automated production, the batch processing of chain parts has put forward higher requirements for drilling accuracy and efficiency. Traditional chain drilling equipment generally has the following technical defects: (1) The single-column support structure is used, which is prone to lateral load during the stamping process, resulting in a decrease in the alignment accuracy between the punch and the die hole; (2) The punch replacement requires the overall disassembly of the module, which takes a long time to adjust; (3) The guide column and the guide hole are prone to wear gap due to long-term friction, which affects the stamping verticality; (4) Manual positioning is prone to cumulative error, especially when long-size chains are continuously drilled, the error is significantly amplified; (5) The cylinder stroke control adopts mechanical limit method, which cannot compensate for material thickness differences in real time. Utility Model Content

[0003] To overcome the shortcomings of existing methods, this utility model provides a fixed-length punching device for conveyor chains.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a conveyor chain fixed-length punching device, including an operating table, a support column installed on the operating table, a positioning module, and a punching module on the top of the support column; the punching module includes a cylinder, a mounting plate, a punching template, a guide column, and a punch; characterized in that: the support column is provided in two sets, which are arranged in parallel, and a support plate is fixed on its top; the front set of support columns is slidably connected to the punching template through a bushing; a double-acting cylinder is fixed on the support plate, and the cylinder output shaft is connected to the mounting plate through a floating joint; the bottom of the mounting plate is detachably fixed to the punching template by bolts; the bottom of the punching template is provided with two sets of parallel punching die assemblies, and two surface-hardened guide columns are provided between the two sets of punching die assemblies; the punching die assembly includes four sets of linearly arranged punching die seats and punches installed on the punching die seats through quick-change buckles, and the axis of the punches is perpendicular to the plane of the operating table.

[0005] According to another embodiment of the present invention, the positioning module further includes a positioning block and a guide strip; the positioning block is mounted on an operating table, and the guide strip is fixed on its surface; the guide strip is arranged parallel to the positioning block.

[0006] According to another embodiment of the present invention, the positioning block is further provided with a die hole coaxial with the punch and a guide hole that is clearance-fitted with the guide post, and a replaceable tungsten steel bushing is embedded in the die hole.

[0007] According to another embodiment of the present invention, the punch in the die assembly passes through a slot strip made of spring steel; the slot strip is provided with V-shaped guide flanges on the front and rear sides, and is fixed to the baffle plate on the left and right sides by damping hinges, and a polyurethane buffer pad is provided on the inner side of the baffle plate.

[0008] According to another embodiment of the present invention, the guide column is further provided with a photoelectric sensor at its end, which is used to detect the downward stroke of the punching template and to control it in conjunction with the cylinder.

[0009] The beneficial effects of this utility model are as follows: The synergistic effect of the double-support columns and the surface-hardened guide columns forms a stable triangular load-bearing structure, maintaining parallelism during the pressing of the die plate, thus improving the resistance to eccentric loads compared to the traditional single-column structure; the combination structure of the die hole and the tungsten steel bushing extends the die life to over 200,000 cycles; simultaneously, the V-shaped guide flange and the polyurethane buffer pad form a two-stage buffer system, reducing impact noise; the closed-loop control of the photoelectric sensor and the double-acting cylinder ensures consistent drilling depth across different batches of material; the damping hinge of the guide strip and the slot strip in the positioning module achieves accurate chain repetitive positioning, and the hardened treatment layer at the end of the guide column reduces the continuous operation accuracy attenuation rate of the equipment by 65%. Attached Figure Description

[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a structural schematic diagram of the stamping module;

[0013] Figure 3 This is a structural diagram of the positioning module;

[0014] Figure 4 This is a schematic diagram of the card slot strip.

[0015] In the diagram: 1. Control panel; 2. Support column; 3. Support plate; 4. Bushing; 5. Cylinder; 6. Floating joint; 7. Mounting plate; 8. Stamping module; 9. Stamping template; 10. Stamping die assembly; 11. Guide column; 12. Stamping die base; 13. Quick-change buckle; 14. Punch; 15. Positioning module; 16. Positioning block; 17. Guide strip; 18. Stamping die hole; 19. Guide hole; 20. Tungsten carbide bushing; 21. Slot strip; 22. V-shaped guide flange; 23. Damping hinge; 24. Baffle; 25. Polyurethane buffer pad; 26. Photoelectric sensor. Detailed Implementation

[0016] like Figure 1This is a schematic diagram of the structure of this utility model, a fixed-length punching device for a conveyor chain, including an operating table 1, a support column 2 mounted on the operating table 1, a positioning module 15, and a punching module 8 on the top of the support column 2; the punching module 8 includes a cylinder 5, a mounting plate 7, a punching template 9, a guide column 11, and a punch 14; the characteristic is that: the support column 2 is provided in two sets, the two sets are arranged in parallel, and a support plate 3 is fixed on its top, the front set of support columns 2 is slidably connected to the punching template 9 through a bushing 4; the support plate 3 A double-acting cylinder 5 is fixed on the top. The output shaft of the cylinder 5 is connected to the mounting plate 7 through a floating joint 6. The bottom of the mounting plate 7 is detachably fixed to the punching template 9 by bolts. The bottom of the punching template 9 is provided with two sets of parallel punching die assemblies 10. Two surface-hardened guide pillars 11 are provided between the two sets of punching die assemblies 10. The punching die assembly 10 includes four sets of linearly arranged punching die seats 12 and punches 14 installed on the punching die seats 12 through quick-change buckles 13. The axis of the punches 14 is perpendicular to the plane of the operating table 1.

[0017] According to another embodiment of the present invention, the positioning module 15 further includes a positioning block 16 and a guide strip 17; the positioning block 16 is mounted on the operating table 1, and the guide strip 17 is fixed on its surface; the guide strip 17 is arranged parallel to the positioning block 16.

[0018] According to another embodiment of the present invention, the positioning block 16 is provided with a die hole 18 coaxial with the punch 14 and a guide hole 19 that is clearance-fitted with the guide post 11, wherein a replaceable tungsten steel bushing 20 is embedded in the die hole 18.

[0019] According to another embodiment of the present invention, the punch 14 in the die assembly 10 passes through a slot strip 21 made of spring steel; the slot strip 21 is provided with V-shaped guide flanges 22 on the front and rear sides, and is fixed to the baffle 24 on the left and right sides by damping hinges 23, and a polyurethane buffer pad 25 is provided on the inner side of the baffle 24.

[0020] According to another embodiment of the present invention, the guide column 11 is further provided with a photoelectric sensor 26 at its end, which is used to detect the downward stroke of the punching template 9 and to control it in conjunction with the cylinder 5.

[0021] Two sets of parallel support columns 2 are vertically fixed on the operating table 1, and a support plate 3 is welded to the top. The front column forms a sliding pair with the punching plate 9 through the bushing 4. The double-acting cylinder 5 is fixed to the center of the support plate 3 through the flange, and the floating joint 6 connects the cylinder output shaft to the mounting plate 7. The punching plate 9 forms a quick-release structure with the mounting plate through bolts. The tungsten steel bushing 20 is pressed into the punching die hole 18 with an interference fit and an inner hole tolerance of H7 grade. The punch 14 can be quickly replaced within 30 seconds through the quick-change buckle 13. The V-shaped guide flange 22 of the slot strip 21 matches the chain pitch, and the photoelectric sensor 26 is installed at the end of the guide column 11 at a position of ±0.5mm. The chain is pushed into the positioning block 16 along the guide bar 17, the cylinder 5 is started to move downward, the guide column 11 first contacts the guide hole 19 for pre-positioning, after the punch 14 penetrates the chain, the photoelectric sensor 26 triggers the upward signal, and the damping hinge 23 of the slot strip 21 buffers the rebound impact.

[0022] The above description is illustrative only and not restrictive of this utility model. Those skilled in the art will understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all such modifications, variations or equivalents will fall within the protection scope of this utility model.

Claims

1. A conveying chain fixed-length perforating device, comprising an operation table (1), a supporting column (2) installed on the operation table (1), a positioning module (15) and a stamping module (8) at the top of the supporting column (2); the stamping module (8) comprises a pneumatic cylinder (5), an installation vertical plate (7), a die plate (9), a guide column (11) and a punch (14); characterized in that: The support column (2) is provided in two sets, which are arranged in parallel. The top of the support column (2) is fixed with a support plate (3). The front support column (2) is slidably connected to the punching plate (9) through the bushing (4). A double-acting cylinder (5) is fixed on the support plate (3). The output shaft of the cylinder (5) is connected to the mounting plate (7) through the floating joint (6). The bottom of the mounting plate (7) is detachably fixed to the punching plate (9) by bolts. The bottom of the punching plate (9) is provided with two sets of parallel punching die assemblies (10). Two surface-hardened guide columns (11) are provided between the two sets of punching die assemblies (10). The punching die assembly (10) includes four sets of linearly arranged punching die seats (12) and punches (14) installed on the punching die seats (12) through quick-change buckles (13). The axis of the punches (14) is perpendicular to the plane of the operating table (1).

2. The chain conveyor fixed length slitting apparatus of claim 1 wherein, The positioning module (15) includes a positioning block (16) and a guide strip (17); the positioning block (16) is installed on the operating table (1), and the guide strip (17) is fixed on its surface; the guide strip (17) is arranged parallel to the positioning block (16).

3. The chain conveyor fixed length slitting apparatus of claim 2 wherein, The positioning block (16) is provided with a die hole (18) coaxial with the punch (14) and a guide hole (19) that is clearance-fitted with the guide post (11). The die hole (18) is fitted with a replaceable tungsten steel bushing (20).

4. The conveyor chain fixed length slitting apparatus of claim 1 wherein, The punch (14) in the die assembly (10) passes through the slot strip (21) made of spring steel; the slot strip (21) has V-shaped guide flanges (22) on the front and rear sides, and is fixed to the baffle (24) on the left and right sides by damping hinges (23); the baffle (24) has a polyurethane buffer pad (25) on the inner side.

5. The conveyor chain fixed length slitting apparatus of claim 1 wherein, The end of the guide post (11) is provided with a photoelectric sensor (26) for detecting the downward stroke of the punching template (9) and controlling it in conjunction with the cylinder (5).

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