CN211467116U

CN211467116U - Die clamping device

Info

Publication number: CN211467116U
Application number: CN201921887277.5U
Authority: CN
Inventors: 龙晓斌; 曹敏
Original assignee: Oms Machinery Co Ltd
Current assignee: Oms Machinery Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-09-11
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a die clamping device, which comprises a mounting plate, a cylinder and a group of die clamps respectively provided with an upper die base and a lower die base, wherein the die clamps are arranged on the mounting plate and also comprise a connecting rod assembly, the connecting rod assembly comprises a first swing arm, a second swing arm and a first connecting shaft, the first ends of the first swing arm and the second swing arm are pivoted with the first connecting shaft and can rotate around the first connecting shaft, the second ends of the first swing arm and the second swing arm are respectively arranged on the mounting plate and can rotate, the first swing arm and the second swing arm are respectively provided with a pressing block which is abutted against the upper surface of the upper die holder, a piston rod of the air cylinder is connected with the first connecting shaft and can drive the first connecting shaft to do up-and-down reciprocating motion so as to drive the first swing arm and the second swing arm to swing, and in the swing stroke of the first swing arm and the second swing arm, the pressing block finishes the action of loosening or pressing down the upper die holder. The utility model has the advantages of large cylinder acting force range, wide application range, better acting effect and lower cost.

Description

Die clamping device

Technical Field

The utility model relates to a press from both sides the mould device field, especially relate to a press from both sides mould device.

Background

At present, the structure of the die clamping device of the cutting machine is shown in fig. 1, and the die clamping device specifically includes a supporting table 900, an air cylinder 100, a die clamp 200 and a connecting plate 300, a first surface of the connecting plate 300 is installed at a piston rod end of the air cylinder 100 and is driven by the piston rod to reciprocate, the die clamp 200 includes an upper die clamp 201 and a lower die clamp 202 matched with the upper die clamp 201, the upper die clamp 201 is installed on a second surface of the connecting plate 300, the piston rod of the air cylinder 100 drives the connecting plate 300 to reciprocate up and down, so as to drive the upper die clamp 201 to reciprocate up and down to open or close the die clamp 200, thereby realizing the loosening and clamping of the die.

However, in the mold clamping device in the prior art, the acting force effect of the cylinder 100 in the design is poor, the acting force range is small, and for the mold clamping device requiring a larger thrust force, a cylinder with a larger thrust force is required, and even an additional cylinder is required. Therefore, the cylinder designed in the prior art has the advantages of small acting force range, narrow application range, poor acting effect and higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cylinder effort scope is bigger, application scope is wideer, the effect is better, the lower die clamping device of cost moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a die clamping device, includes mounting panel, cylinder and the a set of die holder that has upper die base and die holder respectively, die holder installs on the mounting panel, still includes a link assembly, and this link assembly includes first swing arm, second swing arm and first connecting axle, the first end of first swing arm and second swing arm and first connecting axle pin joint just can rotate around this first connecting axle, be equipped with the briquetting on first swing arm and the second swing arm respectively, the briquetting offsets with the upper surface of upper die base, and the piston rod of cylinder is connected with first connecting axle and can drives first connecting axle and make upper and lower reciprocating motion, thereby drives first swing arm and the swing of second swing arm in the swing stroke of first swing arm and second swing arm, the briquetting is accomplished and is pressed down the action to the loosening of upper die base.

As an improvement of the utility model, be equipped with the mounting hole in the upper die base be equipped with reset spring in the mounting hole, just reset spring's first end with the upper die base offsets, and the second end offsets with the die holder.

As the utility model discloses an improvement, the pinch roller is still installed respectively along the lower edge of the second end of first swing arm and second swing arm, and the lower edge of the second end of first swing arm and second swing arm is passed through the upper surface of pinch roller and upper die base offsets.

As the utility model discloses an improvement, the second end of first swing arm and second swing arm is installed through the second connecting axle respectively on the mounting panel, first swing arm and second swing arm can wind the second connecting axle rotates.

The utility model discloses owing to include mounting panel, cylinder and have a set of double-layered mould of upper die base and die holder respectively, press from both sides the mould and install on the mounting panel, still include a link assembly, this link assembly includes first swing arm, second swing arm and first connecting axle, the first end and the first connecting axle pin joint of first swing arm and second swing arm just can rotate around this first connecting axle, be equipped with the briquetting on first swing arm and the second swing arm respectively, the briquetting offsets with the upper surface of upper die base, and the piston rod of cylinder is connected with first connecting axle and can drives first connecting axle and make upper and lower reciprocating motion, thereby drives first swing arm and second swing arm swing in the swing stroke of first swing arm and second swing arm, the briquetting is accomplished and is pressed down the action to loosening of upper die base or. The utility model discloses in, thereby the cylinder drives the upper die base through the motion that drives link assembly and keeps away from or pushes down the die holder, realizes the closure of die clamping, for prior art, the utility model discloses in, when die clamping needs bigger thrust compound die, the utility model discloses owing to used link assembly, the cylinder effort scope is bigger, and a cylinder just can satisfy the requirement of different thrust. Therefore, the utility model has the advantages of cylinder effort scope is big, application scope is wide, the effect is better, and the cost is lower.

Drawings

FIG. 1 is a schematic plan view of a mold clamping device in the prior art;

fig. 2 is a schematic perspective view of the closed state of the clamping mold according to the present invention;

FIG. 3 is a front view of FIG. 2;

fig. 4 is a schematic perspective view of the open state of the clamping mold according to the present invention;

fig. 5 is a front view of fig. 4.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 2 to 5 disclose an embodiment of a die clamping device, which includes a mounting plate 1, a cylinder 2, and a set of die clamps 3 having an upper die holder 31 and a lower die holder 32, respectively, wherein the die clamps 3 are mounted on the mounting plate 1, and further includes a link assembly 4, the link assembly 4 includes a first swing arm 41, a second swing arm 42, and a first connecting shaft 43, in this embodiment, specifically, two sets of the first swing arm 41 and the second swing arm 42 are respectively provided, first ends of the first swing arm 41 and the second swing arm 42 are pivotally connected to the first connecting shaft 43 and can rotate around the first connecting shaft 43, second ends of the first swing arm 41 and the second swing arm 42 are respectively mounted on the mounting plate 1 and can rotate, in this embodiment, two sets of the first swing arm 41 and the second swing arm 42 are respectively disposed on front and rear sides of the mounting plate 1, and the front and rear swing arms are symmetrically disposed with the mounting plate 1 as a center, the utility model discloses in, it is preferred, the second end of first swing arm 41 and second swing arm 42 is installed through second connecting axle 40 on the mounting panel 1, first swing arm 41 and second swing arm 42 can wind second connecting axle 40 rotates. Specifically, the first swing arms 41 and the second swing arms 42 are respectively mounted on the mounting plate 1 through second connecting shafts 40, the two first swing arms 41 are mounted on the same second connecting shaft 40, the two first swing arms 41 can rotate around the second connecting shaft 40, the two second swing arms 42 are mounted on the same second connecting shaft 40, and the two second swing arms 42 can rotate around the second connecting shaft 40; the first swing arm 41 and the second swing arm 42 are respectively provided with a pressing block 44, the pressing block 44 abuts against the upper surface of the upper die holder 31, the piston rod 21 of the cylinder 2 is connected with the first connecting shaft 43 and can drive the first connecting shaft 43 to reciprocate up and down, so as to drive the first swing arm 41 and the second swing arm 42 to swing, and in the swing stroke of the first swing arm 41 and the second swing arm 42, the pressing block 44 completes the action of loosening or pressing down the upper die holder 31. When the upper die holder 31 presses the lower die holder 32 downwards, the clamp die 3 is closed; when the utility model is used, the air cylinder 2 is started, the piston rod 21 of the air cylinder 2 extends downwards, because the piston rod 21 of the air cylinder 2 is connected with the first connecting shaft 43, the piston rod 21 can drive the first connecting shaft 43 to move downwards (the direction shown as a in fig. 3 is the direction of the movement of the piston rod 21), the first ends of the first swing arm 41 and the second swing arm 42 are pivoted with the first connecting shaft 43 and can rotate around the first connecting shaft 43, the second ends of the first swing arm 41 and the second swing arm 42 are respectively installed on the mounting plate 1 and can rotate, therefore, at this time, the first swing arm 41 swings clockwise (the direction shown as B1 in the figure), the second swing arm 42 swings counterclockwise (the direction shown as B2 in the figure), so that the pressing block 44 of the first swing arm 41 and the second swing arm 42 presses downwards on the upper surface of the upper die holder 31, and the upper die holder 31 is forced to move towards the lower die holder 32 and is contacted with the lower die holder 32 to realize die assembly when the upper die holder 31 presses downwards and moves back to the same direction (such as directions of C1 and C2 in the figure). The utility model discloses in be equipped with mounting hole 310 in the upper die base 31 be equipped with reset spring 5 in the mounting hole 310, just reset spring 5's first end with the upper die base 31 offsets, and the second end offsets with the counterbalance of die holder 32, and in this embodiment, it is specific, with the upper surface of die holder 32 offsets, the utility model discloses in, reset spring 5 except the mode that sets up in the picture, can also be the setting in die holder 32 to the upper end offsets with the upper die base mutually, can also be partly be located die holder 32, and partly is located the upper die base, as long as guarantee reset spring 5 can realize that the reseing of upper die base 31 and die holder 32 can. When the mold is opened, the piston rod 21 of the cylinder 2 is retracted, that is, the piston rod 21 of the cylinder 2 moves upward (the direction of a ' in fig. 5), at this time, under the action of the piston rod 21, the first swing arm 41 swings counterclockwise (the direction of B1 ' in the drawing), and the second swing arm 42 swings clockwise (the direction of B2 ' in the drawing), so that the pressing blocks 44 of the first swing arm 41 and the second swing arm 42 move upward and move relative to each other (the directions of C1 ' and C2 ' in the drawing), at this time, the upper mold base 31 moves upward and away from the lower mold base 32 under the action of the return spring 5, and separates from the lower mold base 32, thereby opening the mold. Compared with the prior art, the utility model, when pressing from both sides the mould and need bigger thrust compound die, the utility model discloses owing to used link assembly, the cylinder effort scope is bigger, and 2 cylinders just can satisfy the requirement of different thrust. The air cylinder has the advantages of large acting force range, wide application range, good acting effect and low cost.

The utility model discloses in, it is preferred, pinch roller 6 is still installed respectively in briquetting 44 department of first swing arm 41 and second swing arm 42, and first swing arm 41 and second swing arm 42 briquetting 44 pass through pinch roller 6 offsets with the upper surface of upper die base 31, the utility model discloses in, the purpose that sets up pinch roller 6 can reduce frictional force between briquetting 44 of first swing arm 41 and second swing arm 42 and the upper surface of upper die base 31 makes briquetting 44 of first swing arm 41 and second swing arm 42 can be better at the upper surface motion of upper die base 31.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides a die clamping device, includes mounting panel (1), cylinder (2) and a set of die (3) that press from both sides that have upper die base (31) and die holder (32) respectively, die (3) are installed on mounting panel (1) to press from both sides, characterized in that still includes a link assembly (4), and this link assembly (4) include first swing arm (41), second swing arm (42) and first connecting axle (43), the first end and the first connecting axle (43) pin joint of first swing arm (41) and second swing arm (42) and can rotate around this first connecting axle (43), the second end of first swing arm (41) and second swing arm (42) is installed respectively on mounting panel (1) and rotatable, first swing arm (41) and second swing arm (42) are equipped with briquetting (44) respectively, briquetting (44) and the upper surface counterbalance of upper die base (31), and piston rod (21) of cylinder (2) are connected with first connecting axle (43) and can drive first connecting axle (43) The upper die holder (31) is driven to swing by reciprocating up and down, so that the first swing arm (41) and the second swing arm (42) are driven to swing, and the pressing block (44) completes the loosening or pressing action on the upper die holder (31) in the swinging stroke of the first swing arm (41) and the second swing arm (42).

2. The die clamping device of claim 1, wherein a mounting hole (310) is formed in the upper die holder (31), a return spring (5) is arranged in the mounting hole (310), and a first end of the return spring (5) abuts against the upper die holder (31) and a second end abuts against the lower die holder (32).

3. The die clamping device according to claim 1 or 2, wherein the lower edges of the second ends of the first swing arm (41) and the second swing arm (42) are further respectively provided with a pressing wheel (6), and the lower edges of the second ends of the first swing arm (41) and the second swing arm (42) are abutted against the upper surface of the upper die base (31) through the pressing wheel (6).

4. A die clamping device according to claim 1 or 2, wherein the second ends of the first swing arm (41) and the second swing arm (42) are respectively mounted on the mounting plate (1) through a second connecting shaft (40), and the first swing arm (41) and the second swing arm (42) are rotatable around the second connecting shaft (40).