Rivet hole punching device for rivet welding machining

Abstract

The utility model discloses a rivet hole punching device for rivet welding machining, and relates to the technical field of metal machining. The punching device comprises a punching device body, a plurality of hydraulic cylinders are arranged on the front side of a mounting frame from left to right, a punching cutter is arranged below the hydraulic cylinders, an elastic piece is arranged outside the punching cutter, a punching die is arranged below the punching cutter, a connecting strip is fixed to the rear wall of the punching die, and a connecting plate is arranged outside the connecting strip; the adjusting assembly comprises a fixing plate, electric push rods are fixed to the left side and the right side of the upper wall of the fixing plate correspondingly, and screws are in threaded connection to the four corners of the fixing plate correspondingly. Acting force is applied to the workpiece through the elastic piece so that the workpiece can be actively separated from the stamping cutters, the stamping die can synchronously move along with the corresponding stamping cutters through cooperation of the connecting plate and the connecting strip, and the operation height can be conveniently adjusted through work of the electric push rod; and through cooperation of a screw rod and a fixing plate, installation on the uneven ground is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal processing, in particular to a riveting hole punching device used for riveting and welding processing. Background Art

[0002] Riveting welding is a common connection process, usually used to connect metal parts, especially when they need to withstand large tensile or shear forces. This process forms rivets at the joints to firmly connect two or more metal parts together. In the process of riveting welding, a punching device is required to punch holes at the joints of any workpiece for the rivets to pass through.

[0003] After searching, the authorization announcement number CN208961455U, the authorization announcement date 2019.06.11 discloses a multi-station riveting punching machine including a bearing mechanism, a control panel and a riveting mechanism. The bearing mechanism includes a first support plate, a second support plate, a bracket and a crossbeam, the control panel includes a control box support outer frame and a riveting control mainboard, the riveting mechanism includes a punching assembly, a riveting support frame, a plurality of hydraulic cylinders, a plurality of riveting joints and a plurality of riveting jigs, a multi-station riveting punching machine is provided with a bearing mechanism, a control panel and a riveting mechanism, the control panel is provided on the bearing mechanism, the control panel is used to control the riveting mechanism to rivet the product, and a plurality of riveting stations are provided on the riveting mechanism, which can be adjusted according to the actual riveting position of the product, and can simultaneously perform riveting operations on multiple products or multiple riveting positions of this product, that is, the riveting efficiency can be adjusted, and the product can be ensured not to be moved before the riveting is completed, the accuracy of riveting is ensured, and the quality of product riveting is improved.

[0004] In the prior art, when the punching knife moves upward after punching, there may be friction between the punching knife and the workpiece, and the workpiece cannot be actively separated from the punching knife. At the same time, after adjusting the distance between adjacent punching knives, the prior art needs to manually adjust the corresponding punching die to be located directly below the punching knife, which is more troublesome to operate. In addition, the prior art is not convenient for adjusting the operating height, and is not convenient for installation and use on uneven ground. For this reason, we provide a rivet hole punching device for riveting and welding processing to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a riveting hole punching device for riveting and welding processing, which applies a force to the workpiece through an elastic member to actively separate the workpiece from the punching knife, and makes the punching die move synchronously with the corresponding punching knife through the cooperation of the connecting plate and the connecting strip, and facilitates the adjustment of the operating height through the operation of the electric push rod, and facilitates installation on uneven ground through the cooperation of the screw rod and the fixing plate, thereby solving the problem that when the punching knife moves upward after punching, friction may exist between the punching knife and the workpiece, and the workpiece cannot be actively separated from the punching knife. At the same time, after adjusting the spacing between adjacent punching knives, the prior art needs to manually adjust the corresponding punching die to be directly below the punching knife, which is troublesome to operate, and the prior art is not convenient for adjusting the operating height, and is not convenient for installation and use on uneven ground.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0007] The utility model discloses a riveting hole punching device for riveting and welding, comprising a punching device body, the punching device body comprising a mounting frame, a plurality of hydraulic cylinders are arranged on the front side of the mounting frame from left to right, a punching knife is arranged below the hydraulic cylinder, an elastic member is arranged outside the punching knife, a punching die is arranged below the punching knife, a connecting strip is fixed to the rear wall of the punching die, and a connecting plate is arranged outside the connecting strip;

[0008] An adjustment component is arranged below the punching device body, and the adjustment component includes a fixing plate, electric push rods are fixed on both left and right sides of the upper wall of the fixing plate, and screws are threadedly connected at the four corner positions of the fixing plate.

[0009] The utility model is further configured as follows: the mounting frame is U-shaped, a moving block is fixed to the upper end of the hydraulic cylinder, side grooves are provided on the front and rear side walls of the moving block, guide plates are provided in the side grooves, and the guide plates are fixedly connected to the mounting frame.

[0010] The utility model is further configured that a rectangular groove is opened on the guide plate located on the front side, a bolt is arranged in the rectangular groove, and the bolt is threadedly connected to the moving block, a scale is arranged below the bolt, and the scale is fixedly connected to the corresponding guide plate.

[0011] The utility model is further configured such that a mounting plate is fixed to the lower end of the hydraulic cylinder, and the punching knife is threadedly connected to the mounting plate, the upper end of the elastic member is threadedly connected to the mounting plate, and the horizontal plane of the lower end of the elastic member is lower than the horizontal plane of the lower end of the punching knife.

[0012] The utility model is further configured such that a die hole is provided on the stamping die corresponding to the stamping knife directly below, a guide groove is provided on the mounting frame corresponding to the position where the stamping die is located, and a chip removal groove is provided on the mounting frame corresponding to the position where the die hole is located.

[0013] The utility model is further configured that the connecting strip is L-shaped, the connecting plate is fixedly connected to the moving block, and the connecting strip and the connecting plate are loosely matched.

[0014] The utility model is further configured such that a collection box is provided on the upper wall of the fixed plate, guide sleeves are fixed at four corner positions of the upper wall of the fixed plate, a guide rod is provided in the internal clearance of the guide sleeve, and the upper end of the guide rod is fixedly connected to the mounting frame.

[0015] The utility model is further configured that a bottom plate is fixed to the lower end of the screw rod, an anti-skid pad is fixed to the lower wall of the bottom plate, and screw grooves are symmetrically provided along the edges of the bottom plate and the anti-skid pad.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model provides an elastic member, a connecting plate and a connecting strip. When the punching knife moves upward, since the horizontal plane of the bottom of the elastic member is lower than the horizontal plane of the bottom end of the punching knife, a downward force is applied to the workpiece under the action of the elastic member, so that the workpiece is actively separated from the punching knife. When the position of the punching knife is adjusted, the moving block will move, driving the connecting plate and the connecting strip to move, thereby moving the corresponding punching die, so as to achieve the purpose of moving the punching die with the corresponding punching knife, making the operation simpler and solving the problem that in the prior art, when the punching knife moves upward after punching, there may be friction between the punching knife and the workpiece, and the workpiece cannot be actively separated from the punching knife. At the same time, after adjusting the spacing between adjacent punching knives, the prior art needs to manually adjust the corresponding punching die to be directly below the punching knife, which is a more troublesome operation.

[0018] 2. The utility model sets an electric push rod and a screw rod, and utilizes the electric push rod to drive the mounting frame to move, so that the stamping die moves accordingly, thereby adjusting the operating height. The screw rod is rotated to drive the corresponding base plate to rotate, so that the height of the base plate changes until the anti-skid pads on the four base plates are evenly in contact with the ground. The rivet hole punching device for riveting and welding can be stably installed on the ground, which solves the problem that the prior art is inconvenient to adjust the operating height and is inconvenient to install and use on uneven ground.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 The present invention is an overall structural diagram of a riveting hole punching device used for riveting and welding processing.

[0022] Figure 2 It is the right view structural diagram of the punching device body.

[0023] Figure 3 It is the left view structural diagram of the punching device body.

[0024] Figure 4 This is a structural diagram of the adjustment component.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1-punching device body, 101-mounting frame, 1011-guide groove, 1012-chip groove, 102-guide plate, 1021-rectangular groove, 103-moving block, 1031-bolt, 1032-side groove, 1033-connecting plate, 104-scale, 105-hydraulic cylinder, 1051-mounting plate, 106-punching knife, 107-elastic part, 108-punching die, 1081-die hole, 1082-connecting strip, 2-adjusting assembly, 201-electric push rod, 202-collection box, 203-guide rod, 204-guide sleeve, 205-fixed plate, 206-screw, 207-anti-slip pad, 208-bottom plate, 209-screw groove. DETAILED DESCRIPTION

[0027] 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 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. Specific embodiment 1

[0029] See also Figure 1-3The utility model is a riveting hole punching device for riveting and welding, comprising a punching device body 1, the punching device body 1 comprising a mounting frame 101, a plurality of hydraulic cylinders 105 are arranged on the front side of the mounting frame 101 from left to right to provide power for the movement of a punching knife 106, a punching knife 106 is arranged below the hydraulic cylinder 105, and the cross section of the upper side of the punching knife 106 is non-circular, so that the punching knife 106 can be rotated by using an external tool sleeved on the outside of the punching knife 106 To disassemble and assemble the punching knife 106, an elastic member 107 is provided on the outside of the punching knife 106, which applies a downward force to the workpiece to separate the workpiece from the punching knife 106. A punching die 108 is provided below the punching knife 106, and a connecting strip 1082 is fixed to the rear wall of the punching die 108. A connecting plate 1033 is provided on the outside of the connecting strip 1082. The cooperation between the connecting strip 1082 and the connecting plate 1033 enables the corresponding punching die 108 and the corresponding punching knife 106 to move synchronously.

[0030] Specifically, the mounting frame 101 is U-shaped, and a moving block 103 is fixed to the upper end of the hydraulic cylinder 105. The moving block 103 is slidably connected to the guide plate 102. Side grooves 1032 are provided on the front and rear side walls of the moving block 103. The guide plate 102 is provided in the side groove 1032, and the guide plate 102 is fixedly connected to the mounting frame 101. The guide plate 102 allows the moving block 103 to move only left and right without falling.

[0031] A rectangular groove 1021 is provided on the guide plate 102 located on the front side to provide space for the movement of the bolt 1031. The bolt 1031 is arranged in the rectangular groove 1021, and the bolt 1031 is threadedly connected to the moving block 103. The corresponding moving block 103 can be fixed by tightening the bolt 1031. A scale 104 is provided below the bolt 1031, and the scale 104 is fixedly connected to the corresponding guide plate 102. The distance between the two punching knives 106 is adjusted by using the scale 104 as a reference.

[0032] A mounting plate 1051 is fixed to the lower end of the hydraulic cylinder 105 , and the punching knife 106 is threadedly connected to the mounting plate 1051 . The upper end of the elastic member 107 is threadedly connected to the mounting plate 1051 , and the horizontal plane of the lower end of the elastic member 107 is lower than the horizontal plane of the lower end of the punching knife 106 .

[0033] A die hole 1081 is provided on the stamping die 108 corresponding to the stamping knife 106 directly below. After stamping, the lower end of the stamping knife 106 will enter the die hole 1081, and a guide groove 1011 is provided on the mounting frame 101 corresponding to the position of the stamping die 108. A chip groove 1012 is provided on the mounting frame 101 corresponding to the position of the die hole 1081. The material separated from the workpiece after stamping passes through the die hole 1081 and the chip groove 1012 into the interior of the collection box 202.

[0034] The connecting strip 1082 is L-shaped, the connecting plate 1033 is fixedly connected to the moving block 103 , and the connecting strip 1082 and the connecting plate 1033 are clearance-matched to reduce the misalignment between the punching knife 106 and the die hole 1081 .

[0035] The operation process of this embodiment is as follows: during stamping, loosen the bolt 1031 to put the moving block 103 in a slidable state. At this time, move the moving block 103 according to the needs and refer to the scale line to make the distance between adjacent stamping knives 106 the required distance. When the moving block 103 moves, the corresponding die hole 1081 in the stamping die 108 is located directly below the stamping knife 106 under the cooperation of the connecting plate 1033 and the connecting strip 1082. Then tighten the bolt 1031 to fix the horizontal position of the stamping knife 106. At this time, place the workpiece on the stamping die 108, and make the movable end of the hydraulic cylinder 105 descend to drive the mounting plate 1051 to descend, so that the elastic member 107 and the stamping knife 106 are both descended, until the lower end of the stamping knife 106 descends to be located in the die hole 1081, and then retract the hydraulic cylinder 105 to drive the stamping knife 106 to rise, until the workpiece and the stamping knife 106 are separated under the action of the elastic member 107 to complete the stamping. Specific embodiment 2

[0037] See also Figure 1 and 4 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment, but is different from the first embodiment in that: an adjustment component 2 is arranged below the punching device body 1, and the adjustment component 2 includes a fixing plate 205. Electric push rods 201 are fixed on the left and right sides of the upper wall of the fixing plate 205, which are used to adjust the height of the mounting frame 101 to adjust the operating height. The electric push rod 201 is electrically connected to an external power supply through a conductive wire. At the same time, the electric push rod 201 is a prior art and its model is not limited here. Screws 206 are threadedly connected at the four corners of the fixing plate 205. The rotation of the screws 206 drives the height of the corresponding bottom plate 208 to change, so that the four anti-slip pads 207 are all in contact with the ground to obtain a stable connection with the ground.

[0038] Specifically, a collection box 202 is provided on the upper wall of the fixed plate 205. The collection box 202 is located directly below the chip groove 1012 and is used to collect materials separated from the workpiece after stamping. Guide sleeves 204 are fixed at the four corner positions of the upper wall of the fixed plate 205. A guide rod 203 is provided in cooperation with the internal clearance of the guide sleeve 204, and the upper end of the guide rod 203 is fixedly connected to the mounting frame 101. The cooperation between the guide sleeve 204 and the guide rod 203 enables the mounting frame 101 to move vertically up and down without tilting.

[0039] A base plate 208 is fixed to the lower end of the screw rod 206, and an anti-skid pad 207 is fixed to the lower wall of the base plate 208. Both the base plate 208 and the anti-skid pad 207 are circular, and screw grooves 209 are symmetrically opened along the edges of the base plate 208 and the anti-skid pad 207. By passing the screws through the screw grooves 209, the rivet hole punching device used for riveting and welding processing can be firmly fixed on the installation platform.

[0040] The rest of the structure is the same as that of the first embodiment.

[0041] The operation process of this embodiment is: according to the required operating height, the electric push rod 201 is operated to drive the mounting frame 101 to move up and down accordingly, so as to adjust the operating height, and the screw rod 206 is rotated by operating the base plate 208. The rotation of the screw rod 206 drives the corresponding base plate 208 to change in height until the four anti-slip pads 207 are in contact with the ground, so that it can be installed on an uneven ground. In addition, screws can be passed through the screw slots 209 on the four base plates 208, and the rivet hole punching device used for riveting and welding can be fixed to the mounting platform by bolts 1031 to obtain better stability.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A riveting hole punching device for riveting and welding processing, comprising a punching device body (1), characterized in that: The punching device body (1) comprises a mounting frame (101), a plurality of hydraulic cylinders (105) are arranged on the front side of the mounting frame (101) from left to right, a punching knife (106) is arranged below the hydraulic cylinder (105), an elastic member (107) is arranged outside the punching knife (106), a punching die (108) is arranged below the punching knife (106), a connecting strip (1082) is fixed to the rear wall of the punching die (108), and a connecting plate (1033) is arranged outside the connecting strip (1082); An adjustment component (2) is arranged below the punching device body (1), and the adjustment component (2) comprises a fixing plate (205), electric push rods (201) are fixed on both left and right sides of the upper wall of the fixing plate (205), and screw rods (206) are threadedly connected at the four corner positions of the fixing plate (205).

2. A rivet hole punching device for riveting and welding according to claim 1, characterized in that: The mounting frame (101) is U-shaped, a moving block (103) is fixed to the upper end of the hydraulic cylinder (105), side grooves (1032) are provided on both the front and rear side walls of the moving block (103), a guide plate (102) is provided in the side groove (1032), and the guide plate (102) is fixedly connected to the mounting frame (101).

3. A rivet hole punching device for riveting and welding according to claim 2, characterized in that: A rectangular groove (1021) is provided on the guide plate (102) located at the front side, a bolt (1031) is provided in the rectangular groove (1021), and the bolt (1031) is threadedly connected to the moving block (103), a scale (104) is provided below the bolt (1031), and the scale (104) is fixedly connected to the corresponding guide plate (102).

4. A rivet hole punching device for riveting and welding according to claim 1, characterized in that: A mounting plate (1051) is fixed to the lower end of the hydraulic cylinder (105), and the punching knife (106) is threadedly connected to the mounting plate (1051), the upper end of the elastic member (107) is threadedly connected to the mounting plate (1051), and the horizontal plane of the lower end of the elastic member (107) is lower than the horizontal plane of the lower end of the punching knife (106).

5. A rivet hole punching device for riveting and welding according to claim 4, characterized in that: A die hole (1081) is provided on the punching die (108) corresponding to the position of the punching knife (106), a guide groove (1011) is provided on the mounting frame (101) corresponding to the position of the punching die (108), and a chip removal groove (1012) is provided on the mounting frame (101) corresponding to the position of the die hole (1081).

6. A rivet hole punching device for riveting and welding according to claim 2, characterized in that: The connecting strip (1082) is L-shaped, the connecting plate (1033) is fixedly connected to the moving block (103), and the connecting strip (1082) and the connecting plate (1033) are clearance-matched.

7. A rivet hole punching device for riveting and welding according to claim 1, characterized in that: The upper wall of the fixing plate (205) is provided with a collecting box (202), and guide sleeves (204) are fixed at four corner positions of the upper wall of the fixing plate (205). A guide rod (203) is provided in a clearance fit inside the guide sleeve (204), and the upper end of the guide rod (203) is fixedly connected to the mounting frame (101).

8. A rivet hole punching device for riveting and welding according to claim 7, characterized in that: A bottom plate (208) is fixed to the lower end of the screw rod (206), an anti-skid pad (207) is fixed to the lower wall of the bottom plate (208), and screw grooves (209) are symmetrically provided along the edges of the bottom plate (208) and the anti-skid pad (207).

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