CN210788757U

CN210788757U - Hardware barrel body crimping and clamping mechanism

Info

Publication number: CN210788757U
Application number: CN201921230505.1U
Authority: CN
Inventors: 李健生
Original assignee: Zhuhai Ruitian Hardware Plastic Co Ltd
Current assignee: Zhuhai Ruitian Hardware Plastic Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-19
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a hardware barrel body curling clamping mechanism, including a plurality of inside extrusion sizing die that encloses into the tubbiness, set up in a plurality of the extrusion guide post of inboard extrusion sizing die center department, the outside movable sleeve of extrusion guide post is equipped with the extrusion wedge, the outside edge bottom of extrusion wedge is provided with the extrusion wedge, every inboard extrusion sizing die orientation one side of extrusion wedge all is provided with the shrink recess of cooperation extrusion wedge, the bottom surface of every shrink recess all be provided with the wedge fitting surface of extrusion wedge cooperation; and a downward pressing thimble used for driving the extrusion wedge block to move downwards is arranged above the extrusion wedge block. The utility model provides a pair of five metals ladle body turn-up fixture provides atress support and plastic effect for five metals ladle body lateral wall when turn-up operation, prevents its deformation to improve the yields.

Description

Hardware barrel body crimping and clamping mechanism

Technical Field

The utility model relates to a hardware processing equipment technical field, especially a five metals ladle body turn-up fixture.

Background

The hardware barrel body with two ends needing to be curled is generally curled at two ends twice, and the two curling operations need to be clamped, so that the processing of one workpiece is finished within 3 minutes approximately, and the efficiency is low; in addition, the clamping positions cannot be guaranteed to be the same by two times of clamping, if the clamping positions are different, coining can be formed on the side wall of the hardware barrel body, and the yield of product processing is low; thirdly, the curling operation of the two times is that the curling wheel of the curling machine repeatedly extrudes the friction material to generate heat, so the surface of the material is easily damaged; and finally, the operation of two curling operations is complicated, the requirement on the operation proficiency of workers is high, the labor intensity is high, and lubricating oil needs to be continuously added to the curling part.

When carrying out the operation of both ends turn-ups to the five metals ladle body in same step, the easy deformation of five metals ladle body lateral wall atress consequently need set up five metals ladle body fixture, provides atress support and plastic effect for the five metals ladle body lateral wall when the turn-ups operation, prevents its deformation to improve the yields.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a five metals ladle body turn-up fixture provides the atress for the five metals ladle body lateral wall when the turn-up operation and supports and plastic effect, prevents its deformation to improve the yields.

The utility model provides a technical scheme that its technical problem adopted is:

a hardware barrel body curling clamping mechanism comprises a plurality of inner side extrusion sizing dies which are enclosed into a barrel shape, and extrusion guide columns which are arranged at the centers of the inner side extrusion sizing dies, wherein extrusion wedge blocks are movably sleeved on the outer sides of the extrusion guide columns, extrusion wedge surfaces are arranged at the bottoms of the outer side edges of the extrusion wedge blocks, one sides of the inner side extrusion sizing dies, which face the extrusion wedge blocks, are respectively provided with a contraction groove matched with the extrusion wedge blocks, and the bottom surfaces of the contraction grooves are respectively provided with a wedge-shaped matching surface matched with the extrusion wedge surfaces; and a downward pressing thimble used for driving the extrusion wedge block to move downwards is arranged above the extrusion wedge block.

As a further improvement of the technical scheme, the device further comprises an inner side connecting block movably sleeved on the outer side of the extrusion guide column, a connecting bolt with a cap is arranged at the edge of the inner side connecting block, the stud end of the connecting bolt with the cap penetrates through the inner side extrusion shaping die and is connected with the inner side connecting block, and a contraction reset spring is arranged between the nut end of the connecting bolt with the cap and the inner side extrusion shaping die.

As a further improvement of the technical scheme, the device further comprises a downward pressing baffle movably sleeved on the outer side of the extrusion guide column, the downward pressing baffle is arranged below the extrusion wedge-shaped block, a baffle movable groove matched with the downward pressing baffle is arranged on one surface, facing the extrusion guide column, of the inner side extrusion sizing die, and a spring used for enabling the extrusion wedge-shaped block to reset upwards is arranged between the downward pressing baffle and the extrusion wedge-shaped block; and a reset thimble used for enabling the downward pressing baffle to reset upwards is arranged at the bottom of the downward pressing baffle.

As a further improvement of the above technical solution, the apparatus further comprises an outer side extrusion sizing die surrounding the inner side extrusion sizing die in a plurality of same number and corresponding to the inner side extrusion sizing die, wherein the outer side extrusion sizing die is opposite to the inner side extrusion sizing die, an outer side extrusion cylinder is arranged on one side of the outer side extrusion sizing die opposite to the inner side extrusion sizing die, the axis of the outer side extrusion cylinder is perpendicular to the outer side extrusion sizing die, the cylinder barrel of the outer side extrusion cylinder is fixedly arranged, and the piston rod of the outer side extrusion cylinder faces the outer side extrusion sizing die.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a five metals ladle body turn-up fixture provides the atress for the five metals ladle body lateral wall when the turn-up operation and supports and plastic effect, prevents that it warp to make the five metals ladle body lower extreme accomplish the turn-up operation in same process on one's body and become possible, can also carry out the plastic to the ladle body simultaneously, the work piece size shape uniformity after consequently processing is high, is favorable to improving product quality and production efficiency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of an appearance structure of an embodiment of the present invention;

FIG. 2 is a schematic top view of an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 4 is a schematic structural view of a hardware barrel body crimping clamping mechanism of the present invention.

Detailed Description

Referring to fig. 1 to 4, fig. 1 to 4 are schematic structural diagrams of a crimping apparatus applying the hardware barrel crimping clamping mechanism provided by the present invention.

As shown in fig. 1 to 4, the hemming apparatus includes a hemming upper die 1 and a hemming lower die 2 which are horizontally arranged, the hemming upper die 1 is located right above the hemming lower die 2, the apparatus further includes a plurality of inner side extrusion sizing dies 3 and outer side extrusion sizing dies 4 which are vertically arranged between the hemming upper die 1 and the hemming lower die 2, the inner side extrusion sizing dies 3 are enclosed into a barrel shape, the number of the outer side extrusion sizing dies 4 is the same as that of the inner side extrusion sizing dies 3 and is enclosed outside the inner side extrusion sizing dies 3, and the outer side extrusion sizing dies 4 and the inner side extrusion sizing dies 3 are arranged in a one-to-one correspondence manner; and the bottom surface of the hemming upper die 1 and the top surface of the hemming lower die 2 are both provided with hemming forming grooves 11.

Specifically, the extrusion device further comprises an extrusion guide column 5 arranged at the center of the plurality of inner side extrusion sizing dies 3, an extrusion wedge block 51 is movably sleeved on the outer side of the extrusion guide column 5, an extrusion wedge surface 52 is arranged at the bottom of the outer edge of the extrusion wedge block 51, a contraction groove 31 matched with the extrusion wedge block 51 is arranged on one side of each inner side extrusion sizing die 3 facing the extrusion wedge block 51, and a wedge-shaped matching surface 32 matched with the extrusion wedge surface 52 is arranged on the bottom surface of each contraction groove 31; and a downward pressing thimble 13 for driving the extrusion wedge block 51 to move downwards is arranged at the bottom of the curling upper die 1. Still including the activity suit in the inboard connecting block 53 in the extrusion guide post 5 outside, the edge of inboard connecting block 53 is provided with and takes cap connecting bolt 54, the double-screw bolt end of taking cap connecting bolt 54 passes inboard extrusion sizing die 3 with inboard connecting block 53 is connected, just take cap connecting bolt 54 the nut end with be provided with shrink reset spring 55 between the inboard extrusion sizing die 3. The extrusion wedge-shaped die is characterized by further comprising a downward pressing baffle 56 movably sleeved on the outer side of the extrusion guide column 5, wherein the downward pressing baffle 56 is arranged below the extrusion wedge-shaped block 51, a baffle movable groove 33 matched with the downward pressing baffle 56 is formed in one surface, facing the extrusion guide column 5, of the inner side extrusion shaping die 3, and a spring used for enabling the extrusion wedge-shaped block 51 to reset upwards is arranged between the downward pressing baffle 56 and the extrusion wedge-shaped block 51; the bottom of the pressing baffle 56 is provided with a reset thimble 57 for resetting the pressing baffle 56 upwards.

Specifically, every outside extrusion sizing die 4 all is provided with outside extrusion cylinder 6 to its one side that corresponds inside extrusion sizing die 3, outside extrusion cylinder 6's axis with outside extrusion sizing die 4 is perpendicular, just outside extrusion cylinder 6's cylinder position is fixed to be set up, outside extrusion cylinder 6's piston rod orientation outside extrusion sizing die 4 sets up. Still including the fixed die holder 7 that the position is fixed to be set up and the activity upper die base 8 that the top is used for connecting the punching press hydraulic cylinder, the upper end of extrusion guide post 5 is located the bottom surface of activity upper die base 8, mould 1 is fixed set up in on the turn-up in the below of activity upper die base 8 just is provided with the confession through-hole 12 that extrusion guide post 5 passed. The crimping lower die 2 is arranged on the fixed lower die base 7, an air cylinder mounting plate 61 is further arranged on the fixed lower die base 7, and a cylinder barrel of the outer side extrusion air cylinder 6 is fixedly arranged on the air cylinder mounting plate 61.

During working, firstly, the movable upper die holder 8 drives the crimping upper die 1 to move upwards together to be separated from the upper end of the extrusion guide column 5, then a hardware barrel body to be processed is sleeved on the outer sides of the inner side extrusion shaping dies 3, then the movable upper die holder 8 moves downwards under the driving of a stamping hydraulic cylinder, the crimping upper die 1 firstly moves downwards to press the extrusion wedge block 51 through the pressing thimble 13, under the matching action of the extrusion wedge surface 52 and the wedge-shaped matching surface 32, the inner side extrusion shaping dies 3 all move outwards, and then the outer side extrusion cylinder 6 drives the outer side extrusion shaping die 4 to shrink, so that the side wall of the hardware barrel body is clamped;

then the curling upper die 1 is driven by the movable upper die base 8 to move downwards continuously, and the curling operation on the upper end of the hardware barrel body is completed through the curling forming groove 11 on the bottom surface of the curling upper die 1; then the curling upper die 1 and the extrusion wedge block 51 move downwards together continuously until the extrusion wedge block 51 pushes the lower pressing baffle 56, at the moment, the hardware barrel body and the inner side extrusion shaping die 3 move downwards synchronously, and the curling operation on the lower end of the hardware barrel body is completed through the curling forming groove 11 on the top surface of the curling lower die 2.

After the operation is finished, the movable upper die holder 8 drives the hemming upper die 1 to move upwards together, and firstly, the reset thimble 57 drives the inner side extrusion shaping die 3 to move upwards for resetting through the elasticity of a spring arranged at the bottom; then push down the baffle 56 with the spring that sets up between the extrusion wedge 51 makes extrusion wedge 51 upwards resets, then shrink reset spring 55 drive a plurality of inboard extrusion sizing die 3 shrink resets, simultaneously outside extrusion cylinder 6 drive outside extrusion sizing die 4 resets.

Because the workpiece is large, the material wall is thin, and the bending radian of the turned edge is large, the workpiece can rebound after the turned edge operation, so that the side wall of the workpiece is bent outwards and has irregular shape; the inner side extrusion sizing die 3 and the outer side extrusion sizing die 4 clamp the workpiece and simultaneously have the purpose of sizing the workpiece, so that the problems can be overcome. In addition, inboard extrusion sizing die 3 with 4 two-sided tight materials of clamp of outside extrusion sizing die provide the holding power for five metals ladle body lateral wall, also can avoid five metals ladle body lateral wall atress to take place to buckle.

While the preferred embodiments of the present invention have been described, it is to be understood that the present invention may be embodied in other forms than those described above, and that equivalent changes and modifications made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a five metals ladle body turn-up fixture which characterized in that: the device comprises a plurality of inner side extrusion sizing dies (3) which are enclosed into a barrel shape, and extrusion guide columns (5) which are arranged at the centers of the inner side extrusion sizing dies (3), wherein extrusion wedge blocks (51) are movably sleeved on the outer sides of the extrusion guide columns (5), extrusion wedge surfaces (52) are arranged at the bottoms of the outer side edges of the extrusion wedge blocks (51), one sides of the inner side extrusion sizing dies (3) facing the extrusion wedge blocks (51) are respectively provided with a contraction groove (31) which is matched with the extrusion wedge blocks (51), and the bottom surfaces of the contraction grooves (31) are respectively provided with a wedge matching surface (32) which is matched with the extrusion wedge surfaces (52); a downward pressing thimble (13) used for driving the extrusion wedge-shaped block (51) to move downwards is arranged above the extrusion wedge-shaped block (51).

2. The hardware barrel body crimping clamping mechanism of claim 1, wherein: still including the activity suit in inboard connecting block (53) in extrusion guide post (5) outside, the edge of inboard connecting block (53) is provided with and takes cap connecting bolt (54), the double-screw bolt end of taking cap connecting bolt (54) passes inboard extrusion sizing die (3) with inboard connecting block (53) are connected, just take the nut end of cap connecting bolt (54) with be provided with shrink reset spring (55) between inboard extrusion sizing die (3).

3. The hardware barrel body crimping clamping mechanism of claim 2, wherein: the extrusion wedge-shaped block pressing device is characterized by further comprising a pressing baffle (56) movably sleeved on the outer side of the extrusion guide column (5), the pressing baffle (56) is arranged below the extrusion wedge-shaped block (51), a baffle movable groove (33) matched with the pressing baffle (56) is formed in one surface, facing the extrusion guide column (5), of the inner side extrusion shaping die (3), and a spring used for enabling the extrusion wedge-shaped block (51) to reset upwards is arranged between the pressing baffle (56) and the extrusion wedge-shaped block (51); and a reset thimble (57) used for enabling the downward pressing baffle (56) to reset upwards is arranged at the bottom of the downward pressing baffle (56).

4. The hardware barrel body crimping clamping mechanism of claim 1, wherein: still include with inboard extrusion sizing die (3) quantity is the same and the position one-to-one encloses at a plurality of outside extrusion sizing die (4), every outside extrusion sizing die (4) rather than corresponding dorsad inboard extrusion sizing die's (3) one side all is provided with outside extrusion cylinder (6), the axis of outside extrusion cylinder (6) with outside extrusion sizing die (4) are perpendicular, just the cylinder rigidity setting of outside extrusion cylinder (6), the piston rod orientation of outside extrusion cylinder (6) outside extrusion sizing die (4) set up.