CN111842672A

CN111842672A - Riveting tool

Info

Publication number: CN111842672A
Application number: CN202010698490.2A
Authority: CN
Inventors: 吴泽军
Original assignee: Sichuan Hele Door Industry Co Ltd
Current assignee: Sichuan Hele Door Industry Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-10-30

Abstract

The invention discloses a riveting tool, and belongs to the technical field of riveting tools. The riveting tool comprises an upper template, a lower template and a punch assembly arranged on the upper template, wherein the punch assembly comprises a riveting male die and a locking pin; the bottom of the locking pin is provided with a conical part; the positioning assembly comprises a positioning plate arranged on the lower template, the positioning plate is provided with a mounting cavity, a locking block is slidably arranged in the mounting cavity, a first notch communicated with the mounting cavity is formed in the positioning plate, a second notch is formed in the locking block at a position corresponding to the first notch, and the first notch and the second notch just fix a lock head placed in the first notch when the first notch and the second notch are closed.

Description

Riveting tool

Technical Field

The invention relates to the technical field of riveting tools, in particular to a riveting tool.

Background

The present lock head riveting inside the lock, the way of trade the inside is all to cut several holes in riveting tools lower mould, put the tapered end in the hole, the riveting of unclamped state, because of this kind of mode, the lower mould hole is to treating the riveting tapered end and has been put the clearance, the tapered end is put loosely in the hole, the tapered end can have the aversion of irregularity in the hole, so the tapered end riveting back, the relative position degree of several tapered ends is very low, can use for guaranteeing the product, lock body panel and tapered end hole fit clearance are put greatly, in order to remedy the tapered end and rivet the low not enough of position precision, cause the product quality low (the outward appearance looks the tapered end fit clearance great).

Disclosure of Invention

The invention aims to provide a riveting tool to solve the technical problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a riveting tools, includes cope match-plate pattern and lower bolster, still includes: the punch assembly is arranged on the upper die plate and comprises a riveting male die and a locking pin; the bottom of the locking pin is provided with a conical part; the positioning assembly comprises a positioning plate arranged on the lower template, a mounting cavity is formed in the positioning plate, a locking block is slidably arranged in the mounting cavity, a first notch communicated with the mounting cavity is formed in the positioning plate, a second notch is formed in the locking block at a position corresponding to the first notch, when the first notch and the second notch are closed, a lock head placed in the first notch is just fixed, a step hole communicated with the mounting cavity is formed in the side wall of the locking block where the second notch is formed, an elastic component contacted with the positioning plate is arranged in the step hole, a guide hole staggered with the locking pin is formed in the locking block, the first notch and the second notch are in a separated state before the locking pin is contacted with the guide hole, and the locking pin drives the locking block to move towards the direction of the first notch after the locking pin is contacted with the guide hole, when the first notch and the second notch are closed, the riveting male die just starts to contact with a to-be-riveted point on the lock head and realizes riveting.

Further, the drift subassembly still includes punch holder, last die-plate, rand and fitting pin reset spring, it is fixed on the cope match-plate pattern to go up the die-plate pattern, punch holder fixes on last die-plate pattern, the riveting punch holder is fixed on punch holder, the fitting pin slides in proper order and runs through cope match-plate pattern, last die-plate pattern and punch holder setting, the snap ring groove has been seted up to the fitting pin in punch holder's below, the rand card in the snap ring inslot for it is spacing to fitting pin axial, the upper end of fitting pin is equipped with spacing cap, and fitting pin reset spring overlaps and establishes on the fitting pin, fitting pin reset spring's lower extreme and punch holder's last plane contact, fitting pin reset spring's upper end and spacing cap contact.

Further, the riveting tool further comprises: a power assembly, the power assembly comprising: the lower die base plate is connected to the lower die plate in a sliding mode, and the positioning assembly is fixed on the lower die base plate; the power device is connected with the lower die base plate; the lower die base plate is used for driving the lower die base plate to reciprocate on the lower die plate.

Further, the power assembly further comprises: the guide assembly comprises a first guide plate and a second guide plate, the first guide plate and the second guide plate are arranged on the lower die plate respectively, a guide sliding groove is formed between the first guide plate and the second guide plate, and the lower die base plate is connected in the guide sliding groove in a sliding mode.

Further, the riveting tool further comprises: the guide sleeve is arranged on the upper template; the guide post is installed on the lower template, the guide post is connected in the guide sleeve in a sliding mode, an upper die reset spring is sleeved on the guide post, the bottom end of the upper die reset spring is in contact with the lower template, and the top end of the upper die reset spring is in contact with the guide sleeve.

Furthermore, a limiting block is arranged on the lower template at one end of the lower die base plate far away from the power device.

Compared with the prior art, the invention has the beneficial effects that:

the invention has novel structure and strong practicability. By applying the technical scheme of the invention, the position precision of the riveted lock head is improved, so that the product quality is improved, the production efficiency is very high, the labor cost can be reduced, the energy consumption is saved, the product cost is reduced, and the comprehensive competitiveness of the product is improved.

Drawings

FIG. 1 is a schematic top view of a riveting tool in an embodiment of the invention;

fig. 2 is a sectional view B-B of fig. 1.

3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3

Fig. 4 is a cross-sectional view C-C of fig. 2.

Fig. 5 is a cross-sectional view taken along line D-D in fig. 4.

FIG. 6 is a perspective view of a riveting tool of the invention;

fig. 7 is a schematic view of a riveted lock head and a dead bolt plate in an embodiment of the invention.

The labels in the figure are: 1-lower die plate, 2-first guide plate, 3-lower die backing plate, 4-positioning plate, 5-guide post, 6-upper die return spring, 7-guide sleeve, 8-upper die plate, 9-lock head, 10-punch retainer, 11-lock pin, 12-lock pin return spring, 13-upper die backing plate, 14-bolt retainer, 15-retainer ring, 16-guide shaft, 17-second guide plate, 18-cylinder, 19-cylinder retainer, 20-cylinder retainer, 21-cylinder connector, 22-cylinder connector shaft, 23-retainer ring, 24-cylinder T-shaped connecting block, 25-front retainer block, 26-riveting punch, 27-retainer block, 28-retainer block return spring, 29-rear retainer block, 30-first notch, 31-second notch.

Detailed Description

The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1:

as shown in fig. 2 and 3, the riveting tool comprises an upper template 8, a lower template 1 and a punch assembly, wherein the punch assembly is arranged on the upper template 8 and comprises a riveting male die 26 and a locking pin 11; the bottom of the locking pin 11 is provided with a conical part; locating component, locating component is including installing locating plate 4 on lower bolster 1, the installation cavity has been seted up on locating plate 4, slidable mounting has latch segment 27 in the installation cavity, and the length of latch segment 27 equals with the length of the installation cavity of locating plate 4, ensures that latch segment 27 can only have the displacement of a direction in the installation cavity. As shown in fig. 5, a first notch 30 communicated with the mounting cavity is formed in the positioning plate 4, a second notch 31 is formed in the locking block 27 at a position corresponding to the first notch 30, when the first notch 30 and the second notch 31 are closed, the locking head 9 placed in the first notch 30 is just fixed, a step hole communicated with the mounting cavity is formed in the side wall of the locking block 27 where the second notch 31 is formed, an elastic component contacted with the positioning plate 4 is arranged in the step hole, and in this embodiment, the elastic component is a return spring of the locking block 27. The locking block 27 is provided with a guide hole which is arranged in a staggered manner with the locking pin 11, the first notch 30 and the second notch 31 are in a separated state before the locking pin 11 contacts with the guide hole, after the locking pin 11 contacts with the guide hole, the locking pin 11 drives the locking block 27 to move towards the first notch 30, when the first notch 30 and the second notch 31 are closed, the riveting male die 26 just contacts with a to-be-riveted point on the lock head 9 to realize riveting, as shown in fig. 4, the riveted lock head 9 and the bolt fixing plate 14 are shown in fig. 7.

In order to facilitate the locking block 27 to slide smoothly in the installation cavity, two first guide shaft 16 holes are formed in the positioning plate 4 in the moving direction of the locking block 27, second guide shaft 16 holes are formed in the locking block 27 at positions opposite to the first guide shaft 16 holes, the guide shafts 16 penetrate into the guide shafts and are tightly matched with the first guide shaft 16 holes in the positioning plate 4, the two second guide shaft 16 holes formed in the locking block 27 are in sliding fit with the guide shafts 16, and the locking block 27 is sleeved with a reset spring on the guide shafts 16.

As shown in fig. 6, the locking head 9 is fixed by clamping of the present invention, before the locking head 9 is clamped, the locking block 27 is abutted against one side of the installation cavity far from the first notch 30 under the elastic force of the elastic component, in this embodiment, the elastic component is a return spring of the locking block 27, a gap of about 1 to 2mm is formed between the locking block 27 and the side of the installation cavity where the first notch 30 is opened, the first notch 30 and the second notch 31 are in a separated state, at this time, the locking head 9 is easily placed in the first notch 30, then the bolt fixing plate 14 is placed on the riveting column of the locking head 9 for pre-positioning, then the upper template 8 is driven by the power device to move downwards, the front face of the locking block is provided with two guide holes matched with the locking pin 11, the two guide holes are slightly dislocated with the locking pin 11 before the locking pin 11 is inserted, the lowest end of the locking pin 11 is provided with a taper, when the locking block 27 is pushed to the outermost side under the action of the return spring of the locking block 27, the locking pin 11 can be inserted into two corresponding holes of the locking block 27.

When the locking pin 11 is fully inserted into the two holes of the locking block 27, the return spring of the locking block 27 is compressed, so that the locking block 27 moves backwards, and the action of clamping the lock head 9 is realized. When the first notch 30 and the second notch 31 are closed, the riveting male die 26 just contacts with a point to be riveted of the riveting column on the lock head 9 to realize riveting, and the locking pin 11 always moves in the guide hole in the riveting process, that is, the depth of the guide hole is enough to support the riveting male die 26 to move downwards to complete riveting. This 9 riveting tools of tapered end can the tight tapered end 9 of quick clamp after, rivets tapered end 9 again, owing to press from both sides tight after riveting again, the position degree of tapered end 9 obtains fine assurance, the promotion that product quality is qualitative, production efficiency is also very high moreover.

It should be noted that the number of the first notches 30 and the second notches 31 for fixing the lock head 9 can be set according to the actual product requirements, and at present, there are a pair of the first notches 30 and the second notches 31, two pairs of the first notches 30 and the second notches 31, and three pairs of the first notches 30 and the second notches 31.

In this embodiment, the punch assembly further includes a punch retainer 10, an upper die cushion plate 13, a retainer ring 15 and a locking pin return spring 12, the upper die cushion plate 13 is fixed on the upper die plate 8, the punch retainer 10 is fixed on the upper die cushion plate 13, the riveting punch 26 is fixed on the punch retainer 10, the locking pin 11 sequentially slides to penetrate through the upper die plate 8, the upper die cushion plate 13 and the punch retainer 10, and the riveting punch 26 is tightly matched with a concave platform on the punch retainer 10 through a step on the riveting punch 26 and is fixed on the punch retainer 10. Two locking pin 11 holes are arranged in the male die fixing plate 10, and the two holes are in sliding fit with the locking pins 11.

The clamp ring groove has been seted up to fitting pin 11 in the below of punch plate 10, rand 15 block in the clamp ring inslot for it is spacing to fitting pin 11 axial, fitting pin 11's upper end is equipped with spacing cap, and fitting pin reset spring 12 cover is established on fitting pin 11, fitting pin reset spring 12's lower extreme and punch plate 10's last plane contact, fitting pin reset spring 12's upper end and spacing cap contact.

The riveting tool further comprises: the guide sleeve 7 is installed on the upper template 8; the guide post 5, the guide post 5 is installed on the lower bolster 1, guide post 5 sliding connection is in guide pin bushing 7, the cover is equipped with mould reset spring 6 on the guide post 5, goes up the bottom and the lower bolster 1 contact of mould reset spring 6, goes up the top and the guide pin bushing 7 contact of mould reset spring 6.

The punch assembly configured in the embodiment is more flexible to use and can be used in cooperation with a punch press, the punch press slide block moves downwards, firstly, the punch press slide block presses the locking pin 11 firstly, the locking pin 11 is gradually pressed into the guide hole of the locking block 27 along with the downward movement of the punch press slide block, meanwhile, the locking block 27 is compressed and reset spring is pushed backwards, so that the locking head 9 is clamped by closing the first notch 30 and the second notch 31, the locking head 9 is clamped by contacting the riveting punch 26 with a product to be riveted, then, the punch press slide plate presses the upper die plate 8 to move downwards together with the locking pin 11, and the riveting punch 26 rivets the locking head 9 tightly when the upper die plate 8 descends to a proper position. And after the punch press slide block returns upwards, the upper die plate 8 returns to the original position under the action of the upper die return spring 6, the workpiece is taken out and then is assembled again, and the steps are repeated.

The locking pin 1111 is installed in a through hole of the upper die male die fixing plate 10 and is in sliding fit with the male die fixing plate 10, a clamping ring groove is formed in the middle lower section of the locking pin 11, the clamping ring 15 is clamped in the clamping groove to axially limit the locking pin 11, a limiting cap is arranged at the upper end of the locking pin 11, the locking pin return spring 12 is sleeved on the outer circle of the locking pin 11, the lower end of the locking pin return spring 12 is in contact with the upper plane of the male die fixing plate 10, the upper end of the locking pin return spring 12 abuts against the lower plane of the upper end step of the locking pin 11, and the return function of the locking pin 11 is achieved under the action force of the spring. The locking pin 11 is raised a distance above the upper die plate 8 before it contacts the punch slide.

Example 2:

as shown in fig. 1 and 4, the present embodiment is further optimized on the basis of embodiment 1, and the present embodiment focuses on explaining the improvement compared with embodiment 1, and the same parts are not repeated, and in the present embodiment, the riveting tool further includes: a power assembly, the power assembly comprising: the lower die base plate 3 is connected to the lower die plate 1 in a sliding mode, and the positioning assembly is fixed on the lower die base plate 3; the power device is connected with the lower die base plate 3; used for driving the lower die base plate 3 to reciprocate on the lower die plate 1.

Install power component additional, like this, can push out lower backing plate 3 through power device, and lower backing plate 3 takes locating component to move together like this, has avoided punch plate 10, fitting pin 11 etc. and the clamping of being convenient for and take out the work piece for it is safer to get to put the work piece. In the present embodiment, the power device is a cylinder 18, and an electric push rod may be used.

The configuration of the air cylinder 18 will be described below by taking the air cylinder 18 as an example, and the air cylinder fixing plate 20 is fixed at the back of the lower template 1 by bolts. The cylinder fixing base 19 is fixed on the cylinder fixing plate 20 by bolts. The cylinder 18 is fixed on the cylinder fixing seat 19 through a bolt, and the front end of the shaft of the cylinder 18 is connected with a cylinder connector 21 through a thread. The cylinder T-shaped connecting block 24 is fixedly connected with the positioning plate 4 through bolts. A strip-shaped hole (or a round hole) is arranged on the cylinder T-shaped connecting block 24, and a through hole for fixing the cylinder connecting shaft 22 is arranged on the cylinder connecting head 21. The cylinder connecting shaft 22 is fixed on a through hole of the cylinder connector 21 through a snap ring 23, and the cylinder connecting shaft 22 penetrates into a strip-shaped hole (or a round hole) of the cylinder T-shaped connecting block 24 to realize fixed connection of the pin shaft. The lower die backing plate 3, the positioning plate 4 and the locking block 27 can be pulled to move together under the action of the air cylinder 18.

In this embodiment, the power assembly further includes: the direction subassembly, the direction subassembly includes first deflector 2 and second deflector 17, first deflector 2 and second deflector 17 all are the L type, first deflector 2 and second deflector 17 set up respectively on the lower bolster 1, it is fixed with lower bolster 1 through the bolt, just formed the direction spout between first deflector 2 and the second deflector 17, lower backing plate 3 both sides are provided with a step, respectively with about the first deflector 2 of L type and the cooperation of second deflector 17, lower backing plate 3 sliding connection be in the direction spout.

The guide sliding groove formed by the guide assembly is arranged, so that the lower die base plate 3 is more stable when sliding, the situation that after a workpiece to be riveted is placed, the riveted lock tongue fixing plate 14 is to be placed on the riveting column of the lock head 9 for prepositioning is avoided, when the power assembly retracts, the lower die base plate 3 moves excessively and shakes, the position deviation or dropping of the lock tongue fixing plate 14 on the lock tongue is caused, and the riveting quality is poor.

Optionally, the lower die base plate 3 is provided with a front limiting block 25 on the lower die plate 1 at the end far away from the power device, and the lower die base plate 3 is provided with a rear limiting block 29 of the front limiting block 25 on the lower die plate 1 at the end near the power device. The riveting device is used for limiting the front and rear positions of the lower die base plate 3, ensuring accurate positioning during riveting, improving riveting quality, and being accurate in position when a workpiece is taken and placed, and facilitating automatic assembly operation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a riveting tools, includes cope match-plate pattern (8) and lower bolster (1), its characterized in that still includes: the punch assembly is mounted on the upper die plate (8) and comprises a riveting punch (26) and a locking pin (11), and a conical part is arranged at the bottom of the locking pin (11);

a positioning component which comprises a positioning plate (4) arranged on the lower template (1), a mounting cavity is arranged on the positioning plate (4), a locking block (27) is arranged in the mounting cavity in a sliding way, a first notch (30) communicated with the mounting cavity is arranged on the positioning plate (4), a second notch (31) is arranged on the locking block (27) at the position corresponding to the first notch (30), when the first gap (30) and the second gap (31) are closed, the lock head (9) placed in the first gap (30) is just fixed, a step hole communicated with the mounting cavity is arranged on the side wall of the locking block (27) provided with the second gap (31), an elastic component which is contacted with the positioning plate (4) is arranged in the step hole, and a guide hole which is arranged in a staggered manner with the locking pin (11) is formed in the locking block (27);

Before the locking pin (11) contacts with the guide hole, the first notch (30) and the second notch (31) are in a separated state, after the locking pin (11) contacts with the guide hole, the locking pin (11) drives the locking block (27) to move towards the direction of the first notch (30), and when the first notch (30) and the second notch (31) are closed, the riveting male die (26) just contacts with a to-be-riveted point on the lock head (9) and riveting is achieved.

2. The riveting tool according to claim 1, wherein the punch assembly further comprises a punch retainer plate (10), an upper die cushion plate (13), a retainer ring (15) and a locking pin return spring (12), the upper die cushion plate (13) is fixed on the upper die plate (8), the punch retainer plate (10) is fixed on the upper die cushion plate (13), the riveting punch (26) is fixed on the punch retainer plate (10), the locking pin (11) sequentially penetrates through the upper die plate (8), the upper die cushion plate (13) and the punch retainer plate (10) in a sliding manner, the locking pin (11) is provided with a retainer ring groove below the punch retainer plate (10), the retainer ring (15) is clamped in the retainer ring groove and used for axially limiting the locking pin (11), the upper end of the locking pin (11) is provided with a limiting cap, and the locking pin return spring (12) is sleeved on the locking pin (11), the lower end of the locking pin return spring (12) is in contact with the upper plane of the punch retainer plate (10), and the upper end of the locking pin return spring (12) is in contact with the limiting cap.

3. The rivet tool of claim 1, further comprising: a power assembly, the power assembly comprising: the lower die base plate (3) is connected to the lower die plate (1) in a sliding mode, and the positioning assembly is fixed to the lower die base plate (3); the power device is connected with the lower die base plate (3); is used for driving the lower die base plate (3) to do reciprocating motion on the lower die plate (1).

4. The rivet assembly of claim 3, wherein the power assembly further comprises: the guide assembly comprises a first guide plate (2) and a second guide plate (17), wherein the first guide plate (2) and the second guide plate (17) are arranged on the lower die plate (1) respectively, a guide sliding groove is formed between the first guide plate (2) and the second guide plate (17), and the lower die base plate (3) is in sliding connection in the guide sliding groove.

5. The rivet tool of claim 1, further comprising: the guide sleeve (7), the said guide sleeve (7) is installed on said upper template (8); the guide post (5), the guide post (5) is installed on the lower template (1), the guide post (5) is connected in the guide sleeve (7) in a sliding mode, an upper die reset spring (6) is sleeved on the guide post (5), the bottom end of the upper die reset spring (6) is in contact with the lower template (1), and the top end of the upper die reset spring (6) is in contact with the guide sleeve (7).

6. The riveting tool according to claim 1, wherein the lower die base plate (3) is provided with a front limiting block (25) on the lower die plate (1) at the end far away from the power device, and the lower die base plate (3) is provided with a rear limiting block (29) on the lower die plate (1) at the end near the power device.