Stamping and riveting all-in-one machine

Abstract

The utility model discloses a punching and riveting all-in-one machine which is characterized in that a lower die plate is arranged on a workbench of a punching machine, an upper die mechanism is arranged on a movable part, capable of moving in the vertical direction, of the punching machine and located over the lower die plate, and a material belt is arranged between the lower die plate and the upper die mechanism. The upper die mechanism is provided with a plurality of stamping male dies arranged at intervals in the moving direction of a material belt, a plurality of lower stamping female dies corresponding to the stamping male dies are installed on the lower die plate, and the stamping male dies are used for forming two riveting through holes symmetrically formed in the two sides of the middle line of the material belt in the material belt firstly. And then a stamping through hole located between the two riveting through holes is formed, and a riveting punch installed on the upper die mechanism is arranged between the stamping male die used for forming the riveting through hole and the stamping male die used for forming the stamping through hole. According to the stamping and riveting integrated machine, stamping and riveting integrated machining is achieved, parts which are formed through stamping and riveted are obtained, production efficiency is improved, and machining procedures and equipment cost are saved.

Description

Technical Field

[0001] The utility model relates to a punching and riveting integrated machine, belonging to the technical field of medical equipment processing. Background Art

[0002] Riveting is a common connection method in mechanical processing. It is mainly used to connect two thin plates by drilling holes in their parts, inserting rivets, and then using molds to squeeze the rivets to deform to achieve the purpose of riveting. In the existing technology, drilling holes and riveting need to be completed on two devices, which is inefficient. Utility Model Content

[0003] The utility model aims to provide a punching and riveting integrated machine, which realizes the integrated processing of punching and riveting, obtains parts that are punched and riveted, improves production efficiency, and saves processing procedures and equipment costs.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a stamping and riveting integrated machine, comprising: a punching machine, a feeder and a feeding machine located outside the feeding end of the punching machine, the feeding machine is used to drive the material strip from the feeder to intermittently move from the feeding end of the punching machine to the discharging end thereof, a lower template is installed on the working table of the punching machine, an upper die mechanism is installed on the movable part of the punching machine that can move in the vertical direction and is located directly above the lower template, the material strip is arranged between the lower template and the upper die mechanism, the upper die mechanism has a plurality of stamping convex dies arranged at intervals along the moving direction of the material strip, a plurality of lower stamping concave dies arranged corresponding to the stamping convex dies are installed on the lower template, the plurality of stamping convex dies are respectively used to first form two riveting through holes symmetrically arranged on both sides of the center line of the material strip on the material strip, and then form a stamping through hole located between the two riveting through holes, and a riveting punch installed on the upper die mechanism is arranged between the stamping convex die for forming the riveting through hole and the stamping convex die for forming the stamping through hole;

[0005] A movable block corresponding to the riveting punch is installed directly below the riveting punch and on the lower template, and a groove is provided on the lower surface of the movable block which can move a stroke H1 in the vertical direction, and a pinhole connected to the groove is provided on the upper surface of the movable block, and a main body of a limit pin which can move a stroke H2 in the vertical direction is in sliding contact with the inner wall of the pinhole, and a pin guide portion extending upward out of the pinhole is provided in the center of the upper surface of the main body, and a first flange portion extending radially outward is provided at the lower end of the main body, and a first spring mounted on the limit pin is in compression contact with the upper surface of the first flange portion, and the upper end of the first spring is embedded in the groove provided on the lower surface of the movable block, H1>H2, and when in the mold opening state, the movable block is higher than the upper surface of the lower template, and when in the mold closing state, the movable block is flush with the upper surface of the lower template after moving down by H1, and the downward movement by H2 is when the upper surface of the main body of the limit pin is flush with the upper surface of the movable block.

[0006] The further improved scheme in the above technical scheme is as follows:

[0007] 1. In the above scheme, a partition plate and a bottom plate are stacked on the lower surface of the lower template in sequence, and a stop block is installed on the upper surface of the partition plate and directly below the movable block, and a through hole is provided on the stop block for the first flange portion of the limit pin to be embedded, and the upper end of a pin that can move in the vertical direction passes through the partition plate and is pressed and contacted with the lower surface of the limit pin, and the lower end of the pin has a second flange portion radially outward, and a blind hole is provided on the upper surface of the bottom plate for the second flange portion to be embedded, and the upper end of the second spring with a lower end embedded in the blind hole is pressed and contacted with the lower surface of the second flange portion, when in the mold opening state, there is a spacing H1 between the movable block and the stop block, and there is a spacing H2 between the limit pin and the partition, and the upper surface of the second flange portion is in contact with the lower surface of the partition, and when in the mold closing state, the movable block is in contact with the stop block, the limit pin is in contact with the partition, and there is a spacing H2 between the upper surface of the second flange portion and the lower surface of the partition.

[0008] 2. In the above solution, the feeder is installed on the workbench of the punch press.

[0009] 3. In the above solution, the upper surface of the stamping die is flush with the upper surface of the lower mold plate.

[0010] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0011] The utility model provides a punching and riveting all-in-one machine, which, while continuously punching and cutting a material strip to continuously obtain punched single pieces, places a riveting punch and a riveting die on a stamping device, thereby realizing integrated processing of punching and riveting, obtaining parts that are punched and riveted, improving production efficiency, and saving processing steps and equipment costs; further, a movable block corresponding to the riveting punch is installed directly below the riveting punch and on the lower template, a groove is provided on the lower surface of the movable block that can move a stroke H1 in the vertical direction, a pinhole connected to the groove is provided on the upper surface of the movable block, a main body of a limit pin that can move a stroke H2 in the vertical direction is in sliding contact with the inner wall of the pinhole, a pin lead portion is provided at the center of the upper surface of the main body that extends upward out of the pinhole, and the main The lower end of the body has a first flange portion extending radially outward, and the lower end of a first spring mounted on the limit pin is in compression contact with the upper surface of the first flange portion, and the upper end of the first spring is embedded in a groove formed on the lower surface of the movable block, H1>H2, and when in the mold opening state, the movable block is higher than the upper surface of the lower template, and when in the mold closing state, the movable block moves down by H1 and is flush with the upper surface of the lower template, and moves down by H2 so that the upper surface of the main body of the limit pin is flush with the upper surface of the movable block, which can support the rivet through the main body of the limit pin during mold closing to ensure the stability of riveting, and can separate the rivet riveted to the material strip from the main body of the limit pin during the mold opening process, to prevent the material strip from being stuck on the limit pin and affecting the normal progress of the back-end process, thereby improving the stability of processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attached Figure 1 This is a schematic diagram of the utility model product before riveting;

[0013] Attached Figure 2 This is a schematic diagram of the finished product after riveting of the utility model;

[0014] Attached Figure 3 This is a schematic diagram of the structure of the punching and riveting integrated machine of the utility model;

[0015] Attached Figure 4 It is a partial structural cross-sectional view of the utility model punching and riveting integrated machine in the mold closing state;

[0016] Attached Figure 5 for Figure 4 A magnified view of the local structure in

[0017] Attached Figure 6 It is a cross-sectional view of the local structure during the processing;

[0018] Attached Figure 7 It is a schematic diagram of the structure of the upper and lower molds in the mold opening state;

[0019] Attached Figure 8 This is a partial structural cross-sectional view of the utility model punching and riveting integrated machine in the mold opening state;

[0020] Attached Fig. 9 for Figure 8 A magnified view of the local structure.

[0021] In the above drawings: 1. riveting punch; 2. movable block; 3. groove; 4. pinhole; 5. limit pin; 51. main body; 52. needle guide part; 53. first flange part; 6. first spring; 71. partition; 72. bottom plate; 73. stop block; 74. through hole; 75. pin; 76. second flange part; 77. blind hole; 78. second spring; 100. rivet; 200. stamping single piece; 201. riveted through hole; 202. stamping through hole; 300. shaping mechanism; 400. punch press; 401. workbench; 402. movable part; 500. unloader; 600. feeder; 700. material belt; 800. lower template; 801. stamping die; 900. upper die mechanism; 901. stamping punch. Implementation

[0022] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0023] The purpose of this application is to develop a product with stamping parts and riveted rivets. The product consists of two parts, as shown in the attached Figure 1 As shown, 100 is a rivet, 200 is a stamping unit, the stamping unit has two riveting through holes 201 and a stamping through hole 202 located between the two riveting through holes 201, and two rivets 100 are riveted into the two riveting through holes 201 on the stamping unit 200 to obtain the following Figure 2 Finished product shown.

[0024] The conventional development method is to obtain the stamped single piece 200 by continuous die stamping, then manually place two rivets on the body of the stamped single piece 200, and then manually press the rivets and the stamped single piece together using a set of riveting dies.

[0025] The present application adopts the method of merging the riveting process into the continuous die stamping process, eliminating the manual riveting device, using a robotic arm to send rivets from the outside into the stamping die, designing the riveting die features into the structure of the continuous die, and then sending rivets when the die is opened during stamping, and pressing the rivets into the product during the die closing process, thereby reducing manpower, saving processes, improving product efficiency and reducing costs.

[0026] Embodiment 1: A punching and riveting machine, comprising: a punch 400, a feeder 500 and a feeder 600 located outside the feed end of the punch 400, the feeder 600 is used to drive the material belt 700 from the feeder 500 to intermittently move from the feed end of the punch 400 to the discharge end thereof, a lower mold plate 800 is installed on the workbench 401 of the punch 400, an upper mold mechanism 900 is installed on the movable part 402 of the punch 400 that can move in the vertical direction and is located directly above the lower mold plate 800, the material belt 700 is arranged between the lower mold plate 800 and the upper mold mechanism 900, and the upper mold mechanism 900 It has a plurality of stamping punches 901 arranged at intervals along the moving direction of the material strip 700, and the lower mold plate 800 is equipped with a plurality of lower stamping dies 801 arranged corresponding to the stamping punches 901. The plurality of stamping punches 901 are respectively used to first form two riveting through holes 201 symmetrically arranged on both sides of the center line of the material strip 700 on the material strip 700, and then form a stamping through hole 202 located between the two riveting through holes 201. A riveting punch 1 installed on the upper mold mechanism 900 is arranged between the stamping punch 901 used to form the riveting through hole 201 and the stamping punch 901 used to form the stamping through hole 202;

[0027] A movable block 2 corresponding to the riveting punch 1 is installed directly below the riveting punch 1 and on the lower template 800. A groove 3 is provided on the lower surface of the movable block 2 which can move a stroke H1 in the vertical direction. A pin hole 4 connected to the groove 3 is provided on the upper surface of the movable block 2. A main body 51 of a limit pin 5 which can move a stroke H2 in the vertical direction is in sliding contact with the inner wall of the pin hole 4. A pin guide portion 52 extending upward from the pin hole 4 is provided at the center of the upper surface of the main body 51. The lower end of the main body 51 has A first flange portion 53 extending radially outward, a first spring 6 mounted on the limit needle 5, the lower end of which is in compression contact with the upper surface of the first flange portion 53, and the upper end of the first spring 6 is embedded in the groove 3 opened on the lower surface of the movable block 2, H1>H2, and when in the mold opening state, the movable block 2 is higher than the upper surface of the lower mold plate 800, and when in the mold closing state, the movable block 2 moves down by H1 and is flush with the upper surface of the lower mold plate 800, and moves down by H2 so that the upper surface of the main body 51 of the limit needle 5 is flush with the upper surface of the movable block 2.

[0028] A shaping mechanism 300 for leveling the material strip is provided between the feeder 600 and the unloader 500;

[0029] The feeder 600 is installed on the workbench 401 of the punch press 400 ; the upper surface of the punching die 801 is flush with the upper surface of the lower die plate 800 .

[0030] Embodiment 2: A punching and riveting machine, comprising: a punch 400, a feeder 500 and a feeder 600 located outside the feed end of the punch 400, the feeder 600 is used to drive the material belt 700 from the feeder 500 to intermittently move from the feed end of the punch 400 to the discharge end thereof, a lower mold plate 800 is installed on the workbench 401 of the punch 400, an upper mold mechanism 900 is installed on the movable part 402 of the punch 400 that can move in the vertical direction and is located directly above the lower mold plate 800, the material belt 700 is arranged between the lower mold plate 800 and the upper mold mechanism 900, and the upper mold mechanism 900 It has a plurality of stamping punches 901 arranged at intervals along the moving direction of the material strip 700, and the lower mold plate 800 is equipped with a plurality of lower stamping dies 801 arranged corresponding to the stamping punches 901. The plurality of stamping punches 901 are respectively used to first form two riveting through holes 201 symmetrically arranged on both sides of the center line of the material strip 700 on the material strip 700, and then form a stamping through hole 202 located between the two riveting through holes 201. A riveting punch 1 installed on the upper mold mechanism 900 is arranged between the stamping punch 901 used to form the riveting through hole 201 and the stamping punch 901 used to form the stamping through hole 202;

[0031] A movable block 2 corresponding to the riveting punch 1 is installed directly below the riveting punch 1 and on the lower template 800. A groove 3 is provided on the lower surface of the movable block 2 which can move a stroke H1 in the vertical direction. A pin hole 4 connected to the groove 3 is provided on the upper surface of the movable block 2. A main body 51 of a limit pin 5 which can move a stroke H2 in the vertical direction is in sliding contact with the inner wall of the pin hole 4. A pin guide portion 52 extending upward from the pin hole 4 is provided at the center of the upper surface of the main body 51. The lower end of the main body 51 has A first flange portion 53 extending radially outward, a first spring 6 mounted on the limit needle 5, the lower end of which is in compression contact with the upper surface of the first flange portion 53, and the upper end of the first spring 6 is embedded in the groove 3 opened on the lower surface of the movable block 2, H1>H2, and when in the mold opening state, the movable block 2 is higher than the upper surface of the lower mold plate 800, and when in the mold closing state, the movable block 2 moves down by H1 and is flush with the upper surface of the lower mold plate 800, and moves down by H2 so that the upper surface of the main body 51 of the limit needle 5 is flush with the upper surface of the movable block 2.

[0032] The feeder 600 is installed on the workbench 401 of the punch press 400 ; the upper surface of the punching die 801 is flush with the upper surface of the lower die plate 800 .

[0033] When the above-mentioned stamping and riveting integrated machine is used, while the material strip is continuously punched and cut to continuously obtain stamped single pieces, the riveting punch and the riveting die are placed on the stamping equipment to realize the integrated processing of stamping and riveting, and obtain parts that are stamped and riveted, thereby improving production efficiency and saving processing steps and equipment costs; further, the rivet can be supported by the main body of the limit pin during mold closing to ensure the stability of riveting, and the rivet that has been riveted to the material strip can be separated from the main body of the limit pin during mold opening to prevent the material strip from being stuck on the limit pin and affecting the normal progress of the back-end process, thereby improving the stability of processing.

[0034] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A punching and riveting machine, comprising: A punch press (400), a feeder (500) and a feeder (600) located outside the feed end of the punch press (400), wherein the feeder (600) is used to drive a material belt (700) from the feeder (500) to intermittently move from the feed end of the punch press (400) to the discharge end thereof, a lower template (800) is installed on a workbench (401) of the punch press (400), an upper mold mechanism (900) is installed on a movable part (402) of the punch press (400) that can move in a vertical direction and is located directly above the lower template (800), the material belt (700) is arranged between the lower template (800) and the upper mold mechanism (900), and the upper mold mechanism (900) has a plurality of molds along the material belt (700). 00) a stamping punch (901) arranged at intervals in the moving direction, and a plurality of lower stamping dies (801) corresponding to the stamping punch (901) are installed on the lower template (800), characterized in that: the plurality of stamping punches (901) are respectively used to first form two riveting through holes (201) symmetrically arranged on both sides of the center line of the material strip (700) on the material strip (700), and then form a stamping through hole (202) located between the two riveting through holes (201), and a riveting punch (1) installed on the upper die mechanism (900) is arranged between the stamping punch (901) used to form the riveting through hole (201) and the stamping punch (901) used to form the stamping through hole (202); A movable block (2) corresponding to the riveting punch (1) is installed directly below the riveting punch (1) and on the lower template (800); a groove (3) is provided on the lower surface of the movable block (2) which can move in a stroke H1 in the vertical direction; a pinhole (4) which is connected to the groove (3) is provided on the upper surface of the movable block (2); a main body (51) of a limit pin (5) which can move in a stroke H2 in the vertical direction is in sliding contact with the inner wall of the pinhole (4); a pin guide portion (52) which extends upward from the pinhole (4) is provided at the center of the upper surface of the main body (51); and the lower end of the main body (51) is provided with a pin guide portion (52) which extends upward from the pinhole (4). The movable block (2) has a first flange portion (53) extending radially outward, the lower end of a first spring (6) mounted on the limit pin (5) is in compression contact with the upper surface of the first flange portion (53), the upper end of the first spring (6) is embedded in a groove (3) provided on the lower surface of the movable block (2), H1>H2, and when in the mold opening state, the movable block (2) is higher than the upper surface of the lower mold plate (800), and when in the mold closing state, the movable block (2) moves down by H1 to be flush with the upper surface of the lower mold plate (800), and moves down by H2 to make the upper surface of the main body (51) of the limit pin (5) flush with the upper surface of the movable block (2).

2. The punching and riveting machine according to claim 1, characterized in that: A partition plate (71) and a bottom plate (72) are stacked in sequence on the lower surface of the lower template (800); a stop block (73) is installed on the upper surface of the partition plate (71) and is located directly below the movable block (2); a through hole (74) is provided on the stop block (73) for the first flange portion (53) of the limit pin (5) to be embedded; the upper end of a pin (75) movable in the vertical direction passes through the partition plate (71) and is in compression contact with the lower surface of the limit pin (5); the lower end of the pin (75) has a second flange portion (76) radially outward; and the upper surface of the bottom plate (72) has a blind hole for the second flange portion (76) to be embedded (77), the upper end of a second spring (78) whose lower end is embedded in the blind hole (77) is in compression contact with the lower surface of the second flange portion (76); when in the mold opening state, there is a spacing H1 between the movable block (2) and the stop block (73), there is a spacing H2 between the limit pin (5) and the partition (71), and the upper surface of the second flange portion (76) is in contact with the lower surface of the partition (71); when in the mold closing state, the movable block (2) is in contact with the stop block (73), the limit pin (5) is in contact with the partition (71), and there is a spacing H2 between the upper surface of the second flange portion (76) and the lower surface of the partition (71).

3. The punching and riveting machine according to claim 1, characterized in that: The feeder (600) is installed on a workbench (401) of the punching machine (400).

4. The punching and riveting machine according to claim 1, characterized in that: The upper surface of the stamping die (801) is flush with the upper surface of the lower die plate (800).

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