CN214133878U - Impact-free quick die change device - Google Patents

Abstract

The utility model relates to a there is not quick die change device of impact. The utility model comprises a frame, a large swinging arm, a cylinder, a lifting rotary arm, a hydraulic buffer, a clamping swing arm component and a lifting pneumatic valve, wherein the frame is fixed on the side surface of the vertical parting molding machine base, and the large swinging arm is hinged with the frame; the lifting rotary arm is arranged at the upper part of the swinging large arm and is connected with the swinging large arm in an axial hinge manner, a lifting guide rod connected with the lifting rotary arm is arranged in a cavity of a swinging large arm cylinder and serves as an axial hinge point, an air cylinder for lifting the lifting guide rod is arranged in the cavity of the swinging large arm cylinder, an air cylinder piston rod is fixed at the lower part of the lifting guide rod connected with the lifting rotary arm, a hydraulic buffer is fixedly arranged outside the cylinder cavity of the swinging large arm, and the hydraulic buffer pushes a fixed plate arranged between the head part of the air cylinder piston rod and the lifting guide rod; the buffer effect of the clamping swing arm component during lifting of the suspended template is realized, and the push-pull handle is arranged to operate the lifting pneumatic valve to control conveniently and quickly.

Description

Impact-free quick die change device

Technical Field

The utility model relates to a quick retooling technical field of casting equipment molding production line, in particular to quick retooling device of no impact that perpendicular somatotype used.

Background

The template needs to be frequently replaced in the production process of the vertical parting molding machine, but the traditional replacement method is quite complicated, and the template can be reluctantly placed into the cavity of the molding main machine by a plurality of people with the help of the assistance of a forklift, so that the operation method is time-consuming, labor-consuming and has great potential safety hazard; in addition, some users use the traditional die change mechanism, the die change mechanism adopts a compressed air conversion hydraulic power system as power of the lifting mechanism to realize template lifting, the die change mechanism is too high in maintenance cost and complex in control principle, cannot completely meet production requirements, is high in production and maintenance cost, and can increase modeling production operation capital invisibly to influence daily overall planning management and control of a production workshop. In view of the above two reasons, it is necessary to design a practical non-impact rapid die change device.

Disclosure of Invention

In order to solve the problem, the utility model provides a there is not quick die change device of impact has solved the operation danger that exists at perpendicular somatotype molding machine retooling in-process at present, the structure is complicated, production maintenance cost defect such as too high.

In order to achieve the above object, the present invention provides a solution to the problems of the prior art, which adopts the following technical solution:

the utility model provides a no impact quick die change device, is including fixing the frame in perpendicular somatotype molding machine base side, and the big arm of frame axle hinge joint swing, the big arm of swing backswing side sets up elevating system, and elevating system is connected with the hole axle hinge that lift revolving arm one end set up, sets up the centre gripping swing arm component that is used for hanging the template and is connected with the upper portion axle hinge of lift revolving arm, and wherein, elevating system includes: the lift guide arm of the coaxial setting in vertical barrel cavity and the barrel cavity that the big arm of swing backswing side set up, the cylinder is fixed in vertical barrel cavity, the piston rod fixed connection lift guide arm lower part of cylinder, vertical barrel cavity wall body sets up vertical opening, the external fixed buffer fixed plate that sets up of vertical barrel cavity wall of the big arm of swing, the fixed hydraulic buffer that sets up of buffer fixed plate, connecting portion between the piston rod head of cylinder and the lift guide arm lower extreme are fixed and are set up the buffering roof, the buffering roof stretches out the vertical opening of barrel cavity wall body setting and to the buffering head end of hydraulic buffer, the big arm of swing sets up the lift pneumatic valve, the air supply is connected to the lift pneumatic valve input, the cylinder is connected to the output.

The hydraulic buffer includes buffer down, go up the buffer, fix respectively in the upper portion and the lower part of buffer fixed plate, installation opposite direction, the fixed plate is drawn forth for the buffering that is fixed with the kicking block to the buffering roof, the fixed plate is drawn forth for the buffering includes the rectangular plate, the L type plate body of short slab, the rectangular plate face sets up the slot, the short slab link that the fixed plate was drawn forth in the buffering stretches into the vertical opening of vertical cylinder wall, then fixed setting is at the connecting portion between the piston rod head of cylinder and the lift guide arm lower extreme, the buffer head end that goes up the buffer is to the short slab of top, the fixed long slab face that sets up at the buffer fixed plate of kicking block, the buffer head end of lower buffer is to the kicking block.

The excircle of the hydraulic buffer is provided with threads and is in threaded connection with a threaded hole formed in the buffer fixing plate, and the hydraulic buffer is suitable for being provided with a locking nut.

The big arm outside of swing sets up push-and-pull handle, and the lift pneumatic valve includes: the push-button type ascending pneumatic valve and the push-button type descending pneumatic valve are arranged on the upper edge of the outer side inclined surface of the large swing arm in parallel and are close to the push-pull handle.

The inner cavity of the swing big arm is provided with a quick exhaust valve, the air source input is connected with the P port of the button type ascending pneumatic valve and the button type descending pneumatic valve, the button type descending pneumatic valve is connected with the rod cavity of the air cylinder in output, the button type ascending pneumatic valve is connected with the quick exhaust valve in output, and the quick exhaust valve is connected with the rodless cavity of the air cylinder in output.

The utility model has the advantages of reasonable design reliably, reduced the production maintenance cost by a wide margin, during the field usage, can rise the hydraulic buffer who targets in place and descend two places that targets in place through the adjustment respectively, realize the steady fast effect of damping, adopt light-duty or heavy, mediate the slow stop effect to the impulsive force effect that different weight templates caused to realize long-term, stable safety in production work.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection and composition principle of the buffering mechanism of the present invention;

FIG. 3 is a schematic, partially cross-sectional view of the present invention shown in FIG. 1A-A;

fig. 4 is a front view of the buffer leading-out fixing plate of the utility model;

fig. 5 is a half-sectional view of the buffer leading-out fixing plate of the utility model.

Wherein: 1. the hydraulic lifting device comprises a base, 2 parts of a large swinging arm, 3 parts of an air cylinder, 4 parts of a lifting rotary arm, 5 parts of a hydraulic buffer, 6 parts of a clamping swing arm component, 7 parts of a push-pull handle, 8 parts of a button type lifting pneumatic valve, 9 parts of a button type descending pneumatic valve, 10 parts of a quick exhaust valve, 11 parts of a lifting guide rod, 12 parts of a buffer leading-out fixing plate, 13 parts of a buffer fixing plate, 14 parts of a top block, 501 parts of a lower buffer, 502 parts of an upper buffer, 1201 parts of a long plate, 1202 parts of a short plate and 1203 parts of a rectangular hole.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

As shown in the accompanying drawings 1-5, the utility model provides a there is not quick retooling device of impact, including frame 1, swing big arm 2, cylinder 3, lift revolving arm 4, hydraulic buffer 5, centre gripping swing arm component 6, push-and-pull handle 7, pneumatic lift valve, quick exhaust valve 10, lifting guide 11, buffering extraction fixed plate 12, wherein, frame 1 passes through the side of fix with screw at perpendicular somatotype molding machine base. Big arm of swing 2 sets up at the middle part of frame 1 and wears to establish vertical axis pivot and connect, the horizontal gyration swing of vertical axis can be followed to big arm of swing 2, big arm of swing 2 backswing side sets up vertical barrel cavity, lifting guide 11, the cylinder 3 coaxial arrangement is in the barrel cavity of big arm of swing 2, barrel cavity bottom including 3 rod ends of cylinder are fixed up, 11 lower parts of piston rod fixed connection lifting guide of cylinder 3, 11 shaft hole adaptations of lifting guide in the vertical barrel cavity hole of big arm of swing 2, lifting rotary arm 4 sets up the upper portion at big arm of swing 2, 11 upper ends of lifting guide stretch out vertical barrel cavity and with 4 end hole shaft hinge of lifting rotary arm are connected. The other end of the lifting rotary arm 4 is hinged with a vertically arranged rotating shaft, the clamping swing arm component 6 is arranged on the upper part of the lifting rotary arm 4 and fixed on the rotating shaft, and the clamping swing arm component 6 is used for hanging a template.

The vertical barrel cavity wall body of the swing large arm 2 is provided with a vertical opening, as shown in fig. 4-5, the buffering leading-out fixing plate 12 is an L-shaped plate body comprising a long plate 1201 and a short plate 1202, the surface of the long plate 1201 is provided with a rectangular hole 1203, the connecting end of the short plate 1202 of the buffering leading-out fixing plate 12 extends into the vertical opening of the vertical barrel cavity wall body, and then a connecting part arranged between the piston rod head of the cylinder 3 and the lower end of the lifting guide rod 11 is fixed.

Buffer fixed plate 13 passes rectangular hole 1203 horizontal fixation and sets up outside the vertical cylinder cavity wall of swing big arm 2, hydraulic buffer 5 is fixed to be set up at buffer fixed plate 13, hydraulic buffer 5 includes buffer 501 down, go up buffer 502, fix respectively on the upper portion and the lower part of buffer fixed plate 13, the installation direction is opposite, the buffer head end of going up buffer 502 is to short board 1202, long board 1201 face is fixed and is set up kicking block 14, the buffer head end of buffer 501 is to kicking block 14 down, hydraulic buffer 5 excircle sets up the screw thread and threaded connection with the screw hole threaded connection that buffer fixed plate 13 set up, hydraulic buffer 5 adaptation has lock nut.

As shown in fig. 1, a push-pull handle 7 is provided on the outer slope of the swing boom 2, and the lift pneumatic valve includes: the push-button type ascending pneumatic valve 8 and the push-button type descending pneumatic valve 9 are arranged on the upper edge of the outer side inclined surface of the large swing arm 2 in parallel, the push-button type ascending pneumatic valve 8 and the push-button type descending pneumatic valve 9 are arranged in the same direction and adjacent to each other, and the push-button type ascending pneumatic valve 8 and the push-button type descending pneumatic valve 9 are arranged close to the push-pull handle 7 so as to be convenient to operate. The quick exhaust valve 10 is arranged in the inner cavity of the swing big arm 2. When the cylinder 3 is lifted, the buffer lead-out plate 12, the lifting guide rod 11, the lifting rotary arm 4 and the clamping swing arm component are driven to move up/down.

Referring to fig. 1-2, the external air source input is connected with a button type ascending pneumatic valve 8 and a P port of a button type descending pneumatic valve 9, the output of the button type descending pneumatic valve 9 is connected with a rod cavity of the air cylinder 3, the output of the button type ascending pneumatic valve 8 is connected with a quick exhaust valve 10, and the output of the quick exhaust valve 10 is connected with a rodless cavity of the air cylinder 3.

The utility model discloses a theory of operation and working process as follows: as shown in fig. 1-5, firstly, the push-pull handle 7 is manually pulled to enable the whole die changing device to rotate to a position of a prepared proper die plate, the push-button type ascending pneumatic valve 8 is pressed, an air source is connected with a rodless cavity of the air cylinder 3 for air inlet, the air cylinder 3 drives the buffer lead-out plate 12, the lifting guide rod 11, the lifting rotary arm 4 and the clamping swing arm member 6 to do ascending motion, the die plate suspended on the clamping swing arm member 6 is lifted, and after the die plate ascends to the proper position, the buffer lead-out plate 12 can compress the upper buffer 502 to enable the upper buffer to stably act to the proper position; then, the push-pull handle 7 is manually and slowly pulled to freely and slowly rotate, the positions of the clamping swing arm member 6 and the lifting swing arm 4 are manually and uninterruptedly adjusted, the template is easily pushed into a cavity of the molding machine, after the position is confirmed to be correct, the push-button type descending pneumatic valve 9 is pressed, an air source is connected with a rod cavity of the air cylinder 3 for air inlet, the air cylinder 3 drives the buffer lead-out plate 12, the lifting guide rod 11, the lifting swing arm 4 and the clamping swing arm member 6 to do descending motion again, the template hung on the clamping swing arm member 6 is reversely hung on a compacting plate air lock of the molding machine, and the top block 14 compresses the lower buffer 501 to enable the lower buffer to stably move in place; and manually pulling the push-pull handle 7 to enable the lifting rotary arm 4 and the swinging large arm 2 to reversely and slowly rotate, and moving the impact-free quick die change device out of the modeling host machine to finish quick die change.

Claims (5)

1. The utility model provides a no impact quick die change device, is including fixing frame (1) in perpendicular somatotype molding machine base side, and big arm (2) of swing are connected to frame (1) axle hinge, and big arm (2) of swing return the pendulum side and set up elevating system, and elevating system is connected with the hole axle hinge that lift revolving arm (4) one end set up, sets up centre gripping swing arm component (6) that are used for hanging the template and is connected its characterized in that with the upper portion axle hinge of lift revolving arm (4): the lifting mechanism comprises: a vertical cylinder cavity arranged at the backswing side of the swing big arm (2), a lifting guide rod (11) and a cylinder (3) coaxially arranged in the cylinder cavity, the cylinder (3) is fixed in the vertical cylinder cavity, a piston rod of the cylinder (3) is fixedly connected with the lower part of the lifting guide rod (11), the wall body of the vertical cylinder cavity is provided with a vertical opening, the outer part of the vertical cylinder cavity wall of the swinging big arm (2) is fixedly provided with a buffer fixing plate (13), the buffer fixing plate (13) is fixedly provided with a hydraulic buffer (5), a connecting part between the piston rod head of the cylinder (3) and the lower end of the lifting guide rod (11) is fixedly provided with a buffer top plate, the buffering top plate extends out of a vertical opening arranged on the wall body of the cylinder cavity and is opposite to the buffering head end of the hydraulic buffer (5), the swing big arm (2) is provided with a lifting pneumatic valve, the input end of the lifting pneumatic valve is connected with an air source, and the output end of the lifting pneumatic valve is connected with the air cylinder (3).

2. The impact-free rapid die change device according to claim 1, wherein: the hydraulic buffer (5) comprises a lower buffer (501) and an upper buffer (502) which are respectively fixed at the upper part and the lower part of the buffer fixing plate (13) and have opposite installation directions, the buffer top plate is a buffer leading-out fixing plate (12) fixed with a top block (14), the buffer leading-out fixing plate (12) is an L-shaped plate body comprising a long plate (1201) and a short plate (1202), the plate surface of the long plate (1201) is provided with a rectangular hole (1203), the connecting end of the short plate (1202) of the buffering leading-out fixing plate (12) extends into a vertical opening of the vertical cylinder cavity wall, then is fixedly arranged at the connecting part between the piston rod head of the cylinder (3) and the lower end of the lifting guide rod (11), the buffer head end of the upper buffer (502) is opposite to the top short plate (1202), the top block (14) is fixedly arranged on the plate surface of the long plate (1201) of the buffer fixing plate (13), and the buffer head end of the lower buffer (501) is opposite to the top block (14).

3. The impact-free rapid die change device according to claim 2, wherein: the excircle of the hydraulic buffer (5) is provided with threads and is in threaded connection with a threaded hole formed in the buffer fixing plate (13), and the hydraulic buffer (5) is matched with a locking nut.

4. The impact-free rapid die change device according to claim 1, wherein: the big arm of swing (2) outside sets up push-and-pull handle (7), lift pneumatic valve includes: a push-button type rising pneumatic valve (8) and a push-button type falling pneumatic valve (9), wherein the push-button type rising pneumatic valve (8) and the push-button type falling pneumatic valve (9) are arranged in parallel at the upper edge of the outer side inclined surface of the swing big arm (2) and are close to the push-pull handle (7).

5. The impact-free rapid die change device according to claim 4, wherein: the inner cavity of the large swing arm (2) is provided with a quick exhaust valve (10), the air source input is connected with a P port of a button type ascending pneumatic valve (8) and a button type descending pneumatic valve (9), the button type descending pneumatic valve (9) is in output connection with a rod cavity of the cylinder (3), the button type ascending pneumatic valve (8) is in output connection with the quick exhaust valve (10), and the quick exhaust valve (10) is in output connection with a rodless cavity of the cylinder (3).

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