Table type double-squeeze riveter

Abstract

The utility model relates to the technical field of pressing riveting equipment, and discloses a table type double-pressing riveting machine which comprises a machine frame, a pressure cylinder arranged on the top of the machine frame and a bottom frame arranged below the machine frame, a riveting assembly, a vibration disc, a blanking assembly and a clamping assembly are arranged on the machine frame, and the riveting assembly is arranged below the pressure cylinder; according to the automatic riveting machine, the double-station vibrating disc, the blanking assembly, the riveting assembly and the clamping assembly are arranged, and double-station synchronous operation is achieved, so that the operation efficiency is improved; by adjusting the corresponding distance between the upper punching needle and the lower riveting needle and the clamping distance, riveting machining of parts of different sizes and specifications can be achieved, the riveting action is completed together with other actions when the lower dragging plate assembly extends out to receive materials and reset, and industrial accidents are avoided due to the fact that a material receiving die and a riveting punching die are not located at the same station; by means of the feeding device and the feeding rotating device, automatic and semi-automatic production of traditional riveting is achieved, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting equipment, in particular to a desktop double riveting machine. Background Art

[0002] The desktop riveting machine is a riveting device developed based on the principle of cold rolling, which refers to mechanical equipment that can rivet objects together with rivets. The desktop riveting machine is mainly used for riveting solid rivets, hollow rivets, hollow rivets, etc. It can rivet one end of a solid nail into a flat head or mushroom head, and can also roll a hollow nail into a flanging effect.

[0003] Most of the existing desktop riveting machines are single die punches. Although they can improve work efficiency through an automatic loading and unloading arm on one side, they are still insufficient. First, the design of a single die punch will require frequent replacement of the die punch during the riveting process, which not only increases production preparation time and manual intervention, but also affects production efficiency and riveting quality. Secondly, different die punches are required for rivets of different specifications and types, which not only increases the types and quantities of equipment and dies, but also brings certain difficulties to production and inventory management. Therefore, a desktop riveting machine with double punches is very necessary.

[0004] Some existing desktop double riveting machines have the problem that the punch pin cannot be adjusted. For this type of desktop double riveting machine, since the punch pin is fixed and cannot be adjusted, it cannot adapt to solid rivets and hollow rivets. The versatility of straight pins and knurled pins.

[0005] Some existing desktop double riveting machines have the problem that the upper punch pin and the lower rivet pin are directly riveted together, and the material is also fed at the same position, which is easy to hurt the hand. Utility Model Content

[0006] The purpose of the utility model is to provide a desktop double pressure riveting machine to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a desktop double pressure riveting machine, comprising a frame, a booster cylinder arranged on the top of the frame, and a base frame arranged below the frame, wherein the frame is provided with a riveting assembly, a vibration plate, a blanking assembly and a clamping assembly, and the riveting assembly is arranged below the booster cylinder, wherein:

[0008] The riveting assembly is composed of an upper die mechanism and a lower die mechanism, wherein the upper die mechanism includes an upper pad, a fixed plate disposed below the upper pad, and an upper punch disposed on the fixed plate; the lower die mechanism includes a lower pad, an upper drag plate and a fixed plate disposed on the lower pad, a fixed plate pad disposed below the fixed plate, and a lower rivet disposed on the lower drag plate;

[0009] The vibration plate and blanking assembly comprises a vibration plate bracket fixedly arranged at both sides of the frame, a vibration plate arranged on the vibration plate bracket, and a blanking pipe arranged on the vibration plate;

[0010] The clamping assembly comprises a slider pad group arranged on both sides of the frame, a slider arranged on the slider pad group, a guide rail slidably connected to the slider, and a clamping mechanism arranged on the guide rail.

[0011] Furthermore, an upper mold groove is provided on the solid male plate, an upper punch pin fixing block is slidably provided on the upper mold groove, adjustment plates are connected to the left and right sides of the solid male plate by screws, and corresponding adjustment holes are provided on the solid male plate and the adjustment plate, and the upper pad plate and the solid male plate are plugged in through the upper pad plate lock hole and the corresponding mold handle.

[0012] Furthermore, a lower die groove is provided on the lower pad, a lower rivet pin fixing block is provided on the lower die groove, and the lower rivet pin fixing block is penetrated by the lower rivet pin.

[0013] Furthermore, the hand clamping mechanism includes a hand clamping fixing plate and a hand clamping locked with the hand clamping fixing plate, the hand clamping fixing plate and the hand clamping are locked with a first adjusting screw and a first adjusting spring, the hand clamping is two-fold, and the hand clamping is locked with a second adjusting screw and a second adjusting spring to form a clamping manner, a protruding tongue is provided on the hand clamping fixing plate, and a rivet clamping groove is formed at one end of the two-folded hand clamping.

[0014] Furthermore, the upper punch pin fixing block is in the shape of a letter "C" bent at a right angle, and a screw hole is provided at a side end of the upper punch pin fixing block, and the screw hole is used to lock the upper punch pin by a screw.

[0015] Furthermore, a screw hole is provided at a side end of the lower rivet pin fixing block, and the screw hole is used to lock the lower rivet pin.

[0016] Furthermore, the fixing plate pad is locked and abutted against the bottom of the lower rivet pin through screws and screw holes.

[0017] Furthermore, the tongue abuts against the two clamping hands and is arranged between the two latches.

[0018] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0019] The utility model is provided with a double-station vibration plate, a riveting mechanism and a clamping mechanism, and the double-station synchronous operation improves the efficiency of the operation;

[0020] The corresponding spacing between the upper punch pin and the lower rivet pin is adjustable, and the clamping spacing is adjustable, so that rivets of different sizes and specifications can be processed.

[0021] The lower drag plate assembly is extended to receive the material, and when it is reset, the riveting action is completed together with other actions. Since the material receiving and the riveting stamping die are not in the same station, the occurrence of work-related accidents is avoided.

[0022] The utility model realizes the automation and semi-automatic production of traditional riveting through the feeding device and the feeding rotating device, thereby improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0024] Figure 2 This is a diagram of the rivet assembly of the utility model;

[0025] Figure 3 This is a diagram of the vibration blanking component and the supporting component of the utility model;

[0026] Figure 4 This is the upper mold mechanism diagram of the utility model;

[0027] Figure 5 This is the lower mold mechanism diagram of the utility model;

[0028] Figure 6 This is a diagram of the lower drag plate of the utility model.

[0029] Figure 7 This is a diagram of the clamping mechanism of the utility model.

[0030] Figure 8 This is a clamping structure diagram of the utility model.

[0031] Fig. 9 This is a diagram of the vibration blanking component of the utility model.

[0032] Fig.10 This is a diagram of the trapezoidal block fixing assembly of the utility model, wherein A is the main view, B is the side view, and C is the top view.

[0033] Fig.11 This is a state diagram of the trapezoidal block and the latch of the utility model when they are in abutment with each other.

[0034] Figure 12-13 -14-15 is the overall process flow chart of the utility model.

[0035] Among them: frame 1, booster 2, bottom frame 3, upper pad 4, fixed plate 5, upper punch 6, lower pad 7, upper drag plate 8, fixed plate 9, fixed plate pad 10, lower rivet pin 11, upper die groove 12, upper punch pin fixing block 13, adjustment plate 14, adjustment hole 15, upper pad lock hole 16, lower die groove 17, lower rivet pin fixing block 18, dovetail slide 19, dovetail slider 20, vibration plate bracket 21, vibration plate 22, blanking Tube 23, slider pad group 24, slider 25, guide rail 26, clamp fixing plate 27, clamp 28, first adjusting screw 29, first adjusting spring 30, latch 31, second adjusting screw 32, second adjusting spring 33, tongue 34, rivet clamp groove 35, first locking plate 36, second locking plate 37, aisle 38, adjusting screw 39, trapezoidal block fixing plate seat 40, trapezoidal block fixing plate 41, trapezoidal block 42. DETAILED DESCRIPTION

[0036] 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.

[0037] Combination Figure 1-11 As shown: a desktop double pressure riveting machine, comprising a frame 1, a booster cylinder 2 arranged on the top of the frame 1, and a base frame 3 arranged below the frame 1, wherein the frame 1 is provided with a riveting assembly, a vibration plate, a blanking assembly and a clamping assembly, and the riveting assembly is arranged below the booster cylinder 2, wherein:

[0038] Specifically, a double-station method is adopted, that is, the vibration plate and the blanking assembly and the clamping assembly are all arranged on the left and right sides of the riveting assembly, and processing is performed through the double stations on the left and right sides, thereby improving efficiency;

[0039] The riveting assembly is composed of an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises an upper pad 4, a fixed plate 5 arranged below the upper pad 4, and an upper punch 6 arranged on the fixed plate 5; the lower die mechanism comprises a lower pad 7, an upper drag plate 8 arranged on the lower pad 7 and a fixed plate (9) connected to the lower drag plate by screws, a fixed plate pad (10) arranged below the fixed plate (9), and a lower rivet pin (11) arranged on the lower drag plate (8);

[0040] The vibration plate and blanking assembly includes a vibration plate bracket 21 fixedly arranged at both sides of the frame 1, a vibration plate 22 arranged on the vibration plate bracket 21, and a blanking pipe 23 arranged on the vibration plate 22;

[0041] Specifically, the vibration plate is provided with a first locking plate 36, a second locking plate 37 and a passage 38, the first locking plate 36 and the second locking plate 37 are fixed to the vibration plate by screws, a guide groove is formed between the first locking plate 36 and the second locking plate 37 for sliding and hanging with rivets, wherein, by adjusting the width between the first locking plate 36 and the second locking plate 37, that is, adjusting the width of the guide groove, rivets of different specifications and sizes can be blanked;

[0042] The clamping assembly includes a slider pad group 24 arranged on both sides of the frame 1, a slider 25 arranged on the slider pad group 24, a guide rail 26 slidably connected to the slider 25, and a clamping mechanism arranged on the guide rail 26.

[0043] The fixed male plate 5 is provided with an upper mold groove 12, and an upper punch pin fixing block 13 is slidably provided on the upper mold groove 12. The left and right sides of the fixed male plate 5 are connected with adjustment plates 14 by screws. The fixed male plate 5 and the adjustment plate 14 are provided with corresponding adjustment holes 15. The upper pad 4 and the fixed male plate 5 are plugged in through the upper pad lock hole 16 and the corresponding mold handle 36.

[0044] The lower backing plate 7 is provided with a lower die groove 17 , the lower die groove 17 is provided with a lower rivet pin fixing block 18 , and the lower rivet pin 11 is passed through the lower rivet pin fixing block 18 .

[0045] The hand clamping mechanism includes a hand clamping fixing plate 27 and a hand clamping 28 locked with the hand clamping fixing plate 27. The hand clamping fixing plate 27 and the hand clamping 28 are locked with a first adjusting screw 29 and a first adjusting spring 30. The hand clamping 28 is two-fold, and the hand clamping 28 is locked with a second adjusting screw 32 and a second adjusting spring 33 to form a clamping mode. A tongue 34 is provided on the hand clamping fixing plate 27, and a rivet clamping groove 35 is formed at one end of the two-folded hand clamping 28.

[0046] The upper punch pin fixing block 13 is in a 7-shape bent at a right angle, and a screw hole is provided at a side end of the upper punch pin fixing block 13, and the screw hole is used to lock the upper punch pin 6 by a screw.

[0047] The side end of the lower rivet pin fixing block 18 is provided with a screw hole, and the screw hole is used to lock the lower rivet pin 11.

[0048] The fixing plate backing plate 10 is locked and abutted against the bottom of the lower rivet pin 11 through screws and screw holes.

[0049] Specifically, there are two upper punch pin fixing blocks, which are located in the upper die groove and can slide in the upper die groove. Specifically, there are two lower rivet pin fixing blocks, which are located in the corresponding lower die groove and can slide in the corresponding lower die groove. The distance between the two lower rivet pin fixing blocks can be adjusted.

[0050] The tongue 34 abuts against the two clamping hands 28 and is disposed between the two latch pins 31 .

[0051] Specifically, the second adjustment spring is used to provide a clamping force for the clamping hand;

[0052] Specifically, a trapezoidal block fixing assembly is provided, including a trapezoidal block fixing plate seat 40, a trapezoidal block fixing plate 41 and a trapezoidal block 42. The trapezoidal block fixing plate seat 40 is Z-shaped, and the trapezoidal block fixing assembly is provided on the slider pad group 24. The trapezoidal block fixing plate 41 is provided on the top of the trapezoidal block fixing plate seat 40, and the trapezoidal block 42 and the unloading pipe are provided on the trapezoidal block fixing plate 41; wherein, the cross-sectional shape of the trapezoidal block 42 in top view is a trapezoid, and the clamping hand can be opened and closed by the cooperation between the trapezoidal block 42 and the latch. Specifically, when the tongue moves forward, it drives the latch to move forward, the latch is separated from the trapezoidal block, and the clamping hand shrinks to a clamped state under the action of elastic force; when the tongue moves backward, it drives the latch to abut against the trapezoidal block, and the clamping hand is stretched open to unload.

[0053] Specifically, an adjusting screw 39 is provided on the base frame 3. The adjusting screw 39 is opposite to the feed tube. The adjusting screw is adjusted accordingly according to the size of the rivet and is used to support the rivet.

[0054] Specifically, the feeding device and the feeding rotating device of the utility model realize the automation and semi-automation production of traditional riveting and improve the production efficiency.

[0055] like Fig.12 , the material is dropped from the vibrating plate to the corresponding receiving mold, and the cylinder or motor drives the receiving mold to move forward and backward to complete the double-station or multi-station receiving and feeding process;

[0056] like Fig.13 , the threading cylinder extends, and the threading needle sequentially threads the rubber particles and wheels on the receiving mold, and then the lifting cylinder extends to lift the threading needle assembly and parts, and separate them from the corresponding mold;

[0057] like Fig.14 , and then the left and right feeding cylinders extend out to drive the needle threading assembly and parts to move until the assembly moves to the corresponding position of the lower rivet;

[0058] like Fig.15 , the rotating cylinder extends out, rotates the threading needle assembly and parts as well as the stripping cylinder assembly, and a rotating shaft on the assembly rotates along the fulcrum, and the two threading needles rotate correspondingly with the two lower rivet pins; then the stripping cylinder extends out, presses the parts on the threading needle onto the lower rivet pin, and the dovetail slide corresponding to the lower rivet pin is reset, the lower rivet pin is in place, and the upper and lower molds are closed to complete an overall process, followed by a cycle.

[0059] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0060] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A desktop double-pressure riveting machine, comprising a frame (1), a booster cylinder (2) arranged on the top of the frame (1), and a base frame (3) arranged below the frame (1), characterized in that: The frame (1) is provided with a riveting assembly, a vibrating plate, a blanking assembly and a clamping assembly, and the riveting assembly is arranged below the booster cylinder (2), wherein: The riveting assembly is composed of an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises an upper pad (4), a fixed plate (5) arranged below the upper pad (4), and an upper punch (6) arranged on the fixed plate (5); the lower die mechanism comprises a lower pad (7), an upper drag plate (8) arranged on the lower pad (7), a fixed plate (9) connected to the lower drag plate by screws, a fixed plate pad (10) arranged below the fixed plate (9), and a lower rivet pin (11) arranged on the upper drag plate (8); the upper drag plate (8), the fixed plate (9), the fixed plate pad (10), and the lower rivet pin (11) constitute a lower drag plate assembly; The vibration plate and blanking assembly comprises a vibration plate bracket (21) fixedly arranged on both side ends of the frame (1), a vibration plate (22) arranged on the vibration plate bracket (21), and a blanking pipe (23) arranged on the vibration plate (22); The clamping assembly comprises a slider pad group (24) arranged on both sides of the frame (1), a slider (25) arranged on the slider pad group (24), a guide rail (26) slidably connected to the slider (25), and a hand clamping mechanism arranged on the guide rail (26).

2. The desktop double pressure riveting machine according to claim 1, characterized in that: The fixed male plate (5) is provided with an upper die groove (12), and an upper punch pin fixing block (13) is slidably provided on the upper die groove (12). The left and right sides of the fixed male plate (5) are connected with adjustment plates (14) by screws. The fixed male plate (5) and the adjustment plate (14) are both provided with corresponding adjustment holes (15). The upper pad (4) and the fixed male plate (5) are plugged in through the upper pad lock hole (16) and the corresponding die handle (36).

3. The desktop double pressure riveting machine according to claim 1, characterized in that: The lower backing plate (7) is provided with a lower die groove (17), the lower die groove (17) is provided with a lower rivet pin fixing block (18), and the lower rivet pin (11) is passed through the lower rivet pin fixing block (18).

4. The desktop double pressure riveting machine according to claim 1, characterized in that: The gripping mechanism comprises a gripping fixing plate (27) and a gripping hand (28) locked with the gripping fixing plate (27); the gripping fixing plate (27) and the gripping hand (28) are locked with a first adjusting screw (29) and a first adjusting spring (30); the gripping hand (28) is two-folded, and the gripping hand (28) is locked with a second adjusting screw (32) and a second adjusting spring (33) to form a clamping mode; a tongue (34) is provided on the gripping fixing plate (27), and a rivet clamping groove (35) is formed at one end of the two-folded gripping hands (28).

5. The desktop double pressure riveting machine according to claim 2, characterized in that: The upper punch needle fixing block (13) is in the shape of a figure 7 bent at a right angle, and a screw hole is provided at the side end of the upper punch needle fixing block (13), and the screw hole is used to lock the upper punch needle (6) by means of a screw.

6. The desktop double pressure riveting machine according to claim 3, characterized in that: The side end of the lower rivet pin fixing block (18) is provided with a screw hole, and the screw hole is used to lock the lower rivet pin (11).

7. The desktop double pressure riveting machine according to claim 1, characterized in that: The fixing plate backing plate (10) is locked and abutted against the bottom of the lower rivet pin (11) via screws and screw holes.

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