Semi-automatic spin riveting clamp and spin riveting machine

Abstract

A semi-automatic spin riveting clamp comprises a template used for positioning a product to be riveted, a plurality of rivet positioning holes corresponding to riveting holes in the product are formed in the template in a penetrating mode, and upper stripping handles are fixedly arranged on the two sides of the template. A die holder is fixedly arranged at the bottom of the die plate, a stripping plate is arranged between the die holder and the die plate in an up-down sliding manner through a guide structure, a plurality of ejector rods are fixedly arranged on the upper surface of the stripping plate, and the plurality of ejector rods correspond to the plurality of rivet positioning holes in a one-to-one manner; lower stripping handles are fixedly arranged on the two sides of the stripping plate. The stripping plate between the die plate and the die holder is arranged to be the movable plate capable of sliding up and down, the ejector rod corresponding to the rivet positioning hole in the die plate is fixed on the stripping plate, the lower stripping handles are fixed on the two sides of the stripping plate, and when the lower stripping handles are pulled upwards, the stripping plate and the ejector rod can be driven to eject out the rivet in the rivet positioning hole, so that stripping is realized; the whole clamp is simple in structure, low in equipment cost, convenient and labor-saving to operate and high in working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to riveting machine technical field, concretely relates to a kind of semi-automatic riveting fixture and riveting machine. BACKGROUND

[0002] Riveting machine is a new type of riveting equipment developed according to cold rolling principle, which refers to mechanical equipment that can rivet products with rivets (hollow rivets, hollow rivets, solid rivets, etc.). Riveting machine mainly relies on rotation and pressure to complete assembly, specifically, it uses rivet rod to locally press rivet and continuously swing around the center until the rivet is formed. Common riveting machines include pneumatic, oil pressure and electric, single head and double head, etc.

[0003] At present, the cost of full-automatic riveting machine on the market is very high, which is a great burden for manufacturers with small riveting workload. However, manual riveting has low work efficiency, is time-consuming and laborious, and safety cannot be guaranteed.

[0004] Therefore, how to solve the above problems of the prior art has become the research topic of the utility model. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of semi-automatic riveting fixture and riveting machine.

[0006] To achieve the above purpose, the utility model adopts the technical scheme that:

[0007] The utility model provides a kind of semi-automatic riveting fixture in the first aspect, including a template for positioning the product to be riveted, a plurality of rivet positioning holes corresponding to the riveting hole on the product are provided through the template, and an upper stripping handle is fixed on both sides of the template;

[0008] A die holder is fixed at the bottom of the template, a stripper plate is slidably arranged between the die holder and the template through a guide structure, a plurality of ejector rods are fixed on the upper surface of the stripper plate, and the plurality of ejector rods correspond one-to-one to the plurality of rivet positioning holes;

[0009] Lower stripping handles are fixed on both sides of the stripper plate, when the lower stripping handles are lifted and approached to the upper stripping handles, the stripper plate drives the ejector rods to move upwards, the rivet and the product to be riveted integrally arranged in the rivet positioning hole are ejected by the upward-moving ejector rods.

[0010] Preferably, the template includes a die core and a backing plate, the die core is fixed on the backing plate, a plurality of inserts are embedded in the die core, the upper stripping handle is fixed on both sides of the backing plate, and the rivet positioning hole penetrates the inserts and the backing plate.

[0011] Further preferably, the template further comprises a positioning rod fixed on the backing plate, the positioning rod is arranged outside the mold core and is attached to the edge of the product to be riveted.

[0012] Preferably, the lower stripping handle extends horizontally to the outside of the upper stripping handle.

[0013] Preferably, the guide structure comprises a plurality of guide columns, which are uniformly fixed between the mold base and the template.

[0014] The utility model discloses a second aspect provides a kind of rotary riveter, and the rotary riveter includes above-mentioned semi-automatic rotary riveting clamp, workbench, riveting device being arranged above workbench and for the riveting center positioning structure of the semi-automatic rotary riveting clamp on the product to be riveted of positioning;

[0015] The riveting center positioning structure includes a plurality of positioning columns fixed on the bottom of the mold base and a positioning groove provided on the workbench, the positioning columns are arranged in a cylindrical shape, and the positioning groove is arranged in a U shape, and the plurality of positioning columns correspond one-to-one with the plurality of rivet positioning holes in the longitudinal horizontal direction.

[0016] When one of the positioning columns and the positioning groove are engaged in the longitudinal horizontal direction, the corresponding rivet positioning hole of the positioning column corresponds to the riveting head of the riveting device in the vertical direction.

[0017] Preferably, a foot pad is fixed on the bottom of the mold base, the foot pad is in contact with the workbench, and the bottom point of the positioning column is higher than or equal to the bottom point of the foot pad.

[0018] Preferably, the positioning groove is provided at the front end of a connecting rod, the tail end of the connecting rod is fixed on the workbench, and a pressure sensor is provided at the tail end of the connecting rod, the pressure sensor and the riveting device are electrically connected to a controller.

[0019] The working principle and advantages of the utility model are as follows:

[0020] The utility model sets the stripping plate between template and mold base as the movable plate that can slide up and down, the stripper rod corresponding to the rivet positioning hole on the template is fixed on the stripping plate, the lower stripping handle is fixed on both sides, when pulling the lower stripping handle, the stripper rod and the rivet positioning hole in the rivet are driven out, so as to realize stripping, the whole clamp structure is simple, the equipment cost is low, and it is convenient and labor-saving to operate, and the working efficiency is very high.

[0021] The utility model discloses a vertical corresponding of rivet positioning hole and rivet head is realized when the positioning rod and positioning slot are connected, and the straight driving rivet head is lowered to carry out riveting work, and the structure is simple, and the positioning operation can be quickly carried out.

[0022] Different position rivets are riveted through the moving clamp, one-process multi-rivets operation mode is realized, production efficiency is improved by 20%, the situation of product wrong riveting and missing riveting is avoided, the error prevention rate reaches 100%, the product is stationary relative to the clamp when riveting, the situation that the product is easily scratched and appearance is influenced in the turnover process is avoided, and the defective rate can be reduced by 20%.

[0023] The utility model discloses a vertical corresponding of rivet positioning hole and rivet head is realized when the positioning rod and positioning slot are connected, and the straight driving rivet head is lowered to carry out riveting work, and the structure is simple, and the positioning operation can be quickly carried out. BRIEF DESCRIPTION OF DRAWINGS

[0024] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is the overall plan view of the utility model embodiment;

[0025] BRIEF DESCRIPTION OF DRAWINGS Figure 2 It is the main view of the rivet state of the semi-automatic riveting clamp of the utility model embodiment;

[0026] BRIEF DESCRIPTION OF DRAWINGS Figure 3 It is the main view of the material removal state of the semi-automatic riveting clamp of the utility model embodiment;

[0027] BRIEF DESCRIPTION OF DRAWINGS Figure 4 It is the local schematic view of the rivet state of the semi-automatic riveting clamp of the utility model embodiment.

[0028] In the above drawings, 1 is a template;101 is a rivet positioning hole;2 is a die holder;3 is a stripping plate;4 is a top rod;5 is a lower material removal handle;6 is an upper material removal handle;7 is a positioning rod;8 is a guide column;9 is a workbench;10 is a positioning column;11 is a positioning slot;12 is a foot pad;13 is a connecting rod;14 is a pressure sensor;15 is an entering son;16 is a supporting column. DETAILED DESCRIPTION

[0029] The utility model will be further described below in combination with the drawings and embodiments:

[0030] Embodiment: the present case will be clearly explained below by the drawing and detailed description, and any person skilled in the art can change and modify the technology taught by the present case after understanding the embodiment of the present case, which does not deviate from the spirit and scope of the present case.

[0031] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present case. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0032] As used herein, the terms "first", "second", etc. are not intended to refer to order or sequence, but are used to distinguish one component from another, and are not intended to limit the present case.

[0033] As used herein, the terms "connected" or "positioned" are intended to mean either a direct physical contact, or an indirect physical contact through other intermediate components or devices, and can also mean that two or more components or devices are in operative or actionable communication.

[0034] As used herein, the terms "comprising", "including", "containing", etc. are open-ended terms that are intended to encompass both cases where one or more components or steps are included and not excluded.

[0035] As used herein, the terms used (terms) generally have the ordinary meaning used in the field, in the context of the present case, and in the special context, unless otherwise specifically noted. Some terms used to describe the present case will be discussed below or elsewhere in the specification to provide additional guidance to those skilled in the art on the description of the present case.

[0036] As used herein, the terms "front", "back", "up", "down", "left", "right", etc. are directional terms used in the present case to illustrate the positional relationship between structures, and are not intended to limit the protection scheme and the specific direction of the actual implementation.

[0037] Referring to the drawings Figures 1-4 The first aspect of the present embodiment provides a semi-automatic riveting clamp, which comprises a template 1 for positioning the product to be riveted, a plurality of rivet positioning holes 101 corresponding to the riveting holes on the product are provided through the template 1, and an upper stripping handle 6 is fixed on both sides of the template 1.

[0038] A die seat 2 is fixed to the bottom of the template 1 through a support column 16, a stripping plate 3 is slidably arranged between the die seat 2 and the template 1 through a guide structure, a plurality of top rods 4 are fixed on the upper surface of the stripping plate 3, and the plurality of top rods 4 correspond one-to-one to the plurality of rivet positioning holes 101.

[0039] A lower stripping handle 5 is fixed on both sides of the stripping plate 3, when the lower stripping handle 5 is lifted and approaches the upper stripping handle 6, the stripping plate 3 drives the top rods 4 to move upwards, and the rivet and the product to be riveted integrally arranged after riveting are ejected from the top rods 4 in the rivet positioning holes 101.

[0040] In the embodiment, the template 1 comprises a die core and a backing plate, the die core is fixed on the backing plate, the die core is embedded with a plurality of dowels 15, the dowels 15 are fixed on the die core by means of stud bolts, the upper stripping handle 6 is fixed on both sides of the backing plate, and the rivet positioning hole 101 penetrates through the dowels 15 and the backing plate. When the riveting work is carried out for a long time, the dowels 15 will be worn out, and only the new dowels 15 need to be replaced, without the need to replace the die core, thereby reducing the cost, as shown in Figure 4 .

[0041] In order to facilitate the positioning of the product to be riveted, in the embodiment, the template 1 further comprises a positioning rod 7, the positioning rod 7 is fixed on the backing plate, and the positioning rod 7 is arranged outside the die core and is in contact with the edge of the product to be riveted. As shown in Figure 1 , when the product to be riveted is a side wing with a certain height in the vertical direction, the side wing can be positioned between the die core and the positioning rod 7, thereby achieving the positioning of the product to be riveted. When the product to be riveted is a straight plate, the edge of the product to be riveted can be positioned inside the positioning rod 7.

[0042] In order to facilitate the pulling up and stripping of the lower stripping handle 5, in the embodiment, the lower stripping handle 5 extends to the outside of the upper stripping handle 6 in the horizontal direction. When in use, the thumbs are buckled on the upper stripping handle 6, and the remaining four fingers hold the lower stripping handle 5, and the four fingers are folded to pull up the lower stripping handle 5, thereby achieving the pulling up of the lower stripping handle 5, which is fast and labor-saving.

[0043] In the embodiment, the guide structure comprises a plurality of guide columns 8, and the guide columns 8 are uniformly fixed between the die holder 2 and the template 1.

[0044] When the semi-automatic riveting clamp is used, the rivet can be placed in the rivet positioning hole 101, and then the product to be riveted is placed on the die core. The product to be riveted is coarsely positioned by the positioning rod 7, and then is finely positioned by the top end of the rivet after being in contact with the die core. After positioning, the riveting device can be started to perform the riveting work. After riveting, the rivet and the product to be riveted are fixed as a whole.

[0045] When the riveting is completed, the lower stripping handle 5 can be pulled up, the stripping plate 3 and the ejector rod 4 on the stripping plate 3 are moved upward, the ejector rod 4 ejects the rivet in the rivet positioning hole 101, and the rivet drives the product to be riveted to move upward, thereby achieving the stripping.

[0046] Referring to Figure 1 , the second aspect of the embodiment provides a riveting machine, which comprises the semi-automatic riveting clamp, a workbench 9, a riveting device arranged above the workbench 9, and a riveting center positioning structure for positioning the product to be riveted on the semi-automatic riveting clamp.

[0047] The riveting center positioning structure comprises a plurality of positioning columns 10 fixedly arranged at the bottom of the die holder 2 and a positioning groove 11 arranged on the workbench 9, the positioning columns 10 are arranged in a cylindrical shape, and the positioning groove 11 is arranged in a U shape, and the plurality of positioning columns 10 correspond to the plurality of rivet positioning holes 101 in the longitudinal horizontal direction one by one.

[0048] When one of the positioning columns 10 and the positioning groove 11 are clamped and matched in the longitudinal horizontal direction, the rivet positioning hole 101 corresponding to the positioning column 10 corresponds to the riveting head of the riveting device in the vertical direction.

[0049] In the embodiment, the die holder 2 is fixedly provided with a foot 12 at the bottom, the foot 12 is in contact with the workbench 9, and when the semi-automatic riveting clamp is pushed, the foot 12 can slide on the workbench 9. The bottom point of the positioning column 10 is higher than or equal to the bottom point of the foot 12, so that the sliding of the foot 12 is not affected by the positioning column 10.

[0050] When the riveting work is performed, after the product to be riveted and the rivet are placed on the semi-automatic riveting clamp, the corresponding positioning column 10 is found according to the rivet positioning hole 101 where the rivet is located, the semi-automatic riveting clamp is moved to make the positioning column 10 correspondingly clamped with the positioning groove 11, when clamped, the rivet positioning hole 101 corresponds to the riveting head in the vertical direction, the riveting device is started, and the riveting head is driven to vertically move downward to rivet the rivet on the product to be riveted.

[0051] In order to further simplify the manual operation steps of riveting, in the embodiment, the positioning groove 11 is arranged at the front end of a connecting rod 13, the tail end of the connecting rod 13 is fixedly arranged on the mounting seat of the workbench 9, a pressure sensor 14 is arranged between the tail end of the connecting rod 13 and the mounting seat, and the pressure sensor 14 and the riveting device are electrically connected with a controller. The controller can be a PLC, when the semi-automatic riveting clamp is moved to make the positioning column 10 at the bottom thereof correspondingly clamped with the positioning groove 11, the pressure sensor 14 at the tail end of the connecting rod 13 can detect the pressure signal and transmit the pressure signal to the controller, at this time, the controller can control the riveting head to move downward for riveting work based on the pressure signal, and the application of the pressure sensor 14 and the controller is very mature and low in cost.

[0052] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable persons skilled in the art to understand the content of the utility model and implement the utility model, and the protection scope of the utility model cannot be limited by this. Any equivalent changes or modifications made according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A semi-automatic riveting fixture, characterized in that: Includes a template for positioning the product to be riveted, the template having several rivet positioning holes that correspond to the riveting holes on the product, and upper stripping handles fixed on both sides of the template; A mold base is fixedly provided at the bottom of the template. A release plate is slidably provided between the mold base and the template through a guide structure. A number of push rods are fixedly provided on the upper surface of the release plate. The number of push rods corresponds one-to-one with the number of rivet positioning holes. The ejector plate is fixedly provided with a lower ejector handle on both sides. When the lower ejector handle is raised and close to the upper ejector handle, the ejector plate drives the top rod to move upward. The upward-moving top rod pushes out the rivet and the product to be riveted, which are integrally set after riveting, from the rivet positioning hole.

2. The semi-automatic riveting fixture according to claim 1, characterized in that: The template includes a mold core and a base plate. The mold core is fixed on the base plate, and a plurality of inserts are embedded in the mold core. The upper ejector handle is fixed on both sides of the base plate, and the rivet positioning hole passes through the inserts and the base plate.

3. A semi-automatic riveting fixture according to claim 2, characterized in that: The template also includes a positioning rod, which is fixed to the pad and is located on the outside of the mold core and fits against the edge of the product to be riveted.

4. A semi-automatic riveting fixture according to claim 1, characterized in that: The lower unloading handle extends horizontally to the outside of the upper unloading handle.

5. A semi-automatic riveting fixture according to claim 1, characterized in that: The guide structure includes a plurality of guide posts, which are uniformly fixed between the mold base and the template.

6. A riveting machine, characterized in that: Includes a semi-automatic riveting fixture as described in any one of claims 1-5, a worktable, a riveting device disposed above the worktable, and a riveting center positioning structure for positioning the product to be riveted on the semi-automatic riveting fixture; The riveting center positioning structure includes a plurality of positioning posts fixedly disposed at the bottom of the mold base and a positioning groove disposed on the worktable. The positioning posts are cylindrical and the positioning groove is U-shaped. The plurality of positioning posts and the plurality of rivet positioning holes correspond one-to-one in the longitudinal horizontal direction. When one of the positioning pins engages with the positioning groove in the longitudinal horizontal direction, the rivet positioning hole corresponding to the positioning pin corresponds to the rivet head of the riveting device in the vertical direction.

7. A riveting machine according to claim 6, characterized in that: The bottom of the mold base is fixedly provided with a pad, which is in contact with the worktable, and the bottom point of the positioning column is higher than or equal to the bottom point of the pad.

8. A riveting machine according to claim 6, characterized in that: The positioning groove is formed at the front end of a connecting rod, the tail end of which is fixed to the worktable. A pressure sensor is provided at the tail end of the connecting rod, and both the pressure sensor and the riveting device are electrically connected to a controller.

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