CN212429176U - Pneumatic film multi-spring actuating mechanism with positive and negative function exchange structure - Google Patents

Abstract

The utility model relates to a pneumatic film multi-spring actuating mechanism with positive and negative effect changes structure sets up the top at the jar room, include: the upper die cover is detachably connected with the lower die cover, a top cover structure is arranged in the center of the top of the upper die cover, and a guide structure is arranged in the center of the bottom of the lower die cover; a first through hole is formed in the center of the top of the upper die cover; the roof structure includes: with first through-hole complex air lock, the bottom of air lock is equipped with the air duct, and air lock top both ends symmetry is equipped with a pair of lifting hook. The utility model discloses a set up the through-hole and cover with the inside article of the die head of directly taking on at the upper die, guarantee the die head internal seal through setting up the gas stopper to the configuration couple structure is in order to take out the gas stopper, still sets up the edge seal nature of O type circle in order to ensure the gas stopper and advance back, plays the direction respectively through setting up uide bushing and lock nut and takes out the effect of die head and fixed uide bushing, sets up the position of stroke dog so that fixed lock nut and draw the bolt.

Description

Pneumatic film multi-spring actuating mechanism with positive and negative function exchange structure

Technical Field

The utility model relates to a pump body technical field specifically is pneumatic film multi-spring actuating mechanism who has positive and negative effect change structure.

Background

When the traditional pneumatic film multi-spring actuating mechanism is used for exchanging the positive and negative functions, a plurality of bolts and nuts for fastening the upper film cover and the lower film cover must be unscrewed one by one. Not only is labor-consuming, but also the assembly precision and the air tightness of the diaphragm when the die head leaves a factory are damaged, and in addition, a plurality of springs in the spring chamber have great pre-pressure, so that the danger of disassembling the upper and lower diaphragm covers in a non-professional state is great. Therefore, it is necessary to improve the structure of the traditional pneumatic membrane multi-spring actuating mechanism, so as to facilitate the positive and negative action exchange process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just to prior art exist not enough, provide the many spring actuator of pneumatic film who has positive and negative effect change structure.

In order to solve the above problems, the utility model adopts the following technical proposal:

pneumatic membrane multi-spring actuating mechanism with positive and negative effect exchange structure sets up in the top of jar room, includes: the cylinder comprises a lower die cover and an upper die cover, wherein the lower die cover is arranged right above the cylinder chamber, the upper die cover is detachably connected with the lower die cover, a top cover structure is arranged in the center of the top of the upper die cover, and a guide structure is arranged in the center of the bottom of the lower die cover; a first through hole is formed in the center of the top of the upper die cover; the roof structure includes: with first through-hole complex air lock, the bottom of air lock is equipped with the air duct, air lock top both ends symmetry is equipped with a pair of lifting hook.

As an improvement of the above technical solution, the guide structure includes: the guide sleeve is embedded in the top of the cylinder chamber, and a pulling bolt is matched in the guide sleeve; the pull bolt is sleeved with a stroke stop block, the top of the pull bolt is matched with a locking nut, and the locking nut is fixed on the top surface of the stroke stop block.

As an improvement of the technical scheme, the periphery of the first through hole of the upper die cover is provided with a first flanging which is vertically turned upwards, and the height of the first flanging is more than two thirds of the height of the plug body of the air plug.

As an improvement of the technical scheme, an O-shaped ring is embedded into the bottom of the air plug and fixed to the top of the first flanging.

As an improvement of the technical scheme, a second flanging is arranged at the outer edge of the upper die cover, an interlayer is placed in the lower die cover, and a third flanging is arranged at the outer edge of the lower die cover; the second flanging corresponds to the third flanging in position; and locking structures are arranged at the second flanging and the third flanging.

As an improvement of the above technical solution, the locking structure includes: a plurality of first bolts penetrating through the second flanging and the third flanging and second bolts penetrating through the second flanging and the third flanging; the first bolt and the second bolt are arranged on the second flanging from top to bottom, and the tail parts of the first bolt and the second bolt are fixed at the bottom of the third flanging through nuts.

As an improvement of the technical scheme, the top of the upper die cover is also provided with a first air plug and a second air plug, and the first air plug and the second air plug are oppositely arranged on two sides of the first through hole.

Compared with the prior art, the utility model discloses an implement the effect as follows:

the utility model discloses a set up the through-hole and cover with the inside article of the die head of directly taking on at the upper die, guarantee the die head internal seal through setting up the gas stopper to the configuration couple structure is in order to take out the gas stopper, still sets up the edge seal nature of O type circle in order to ensure the gas stopper and advance back, plays the direction respectively through setting up uide bushing and lock nut and takes out the effect of die head and fixed uide bushing, sets up the position of stroke dog so that fixed lock nut and draw the bolt. The positive and negative effect can be realized and changed to this device need not open the membrane lid, and the user changes safety, convenience, and does not destroy assembly precision and diaphragm gas tightness when the die head leaves the factory.

Drawings

Fig. 1 is a schematic structural view of a pneumatic membrane multi-spring actuator according to the present invention;

FIG. 2 is a partial view A of FIG. 1;

FIG. 3 is a partial view B of FIG. 1;

FIG. 4 is a partial view C of FIG. 1;

fig. 5 is a partial enlarged view D of fig. 2.

In the figure: 1-upper die cover, 11-first through hole, 111-first flanging, 12-die cavity, 13-spring, 14-second flanging, 2-lower die cover, 21-interlayer, 211-third flanging, 22-fourth flanging, 3-top cover structure, 31-first air plug, 311-first spiral cover, 32-air plug, 321-air groove, 322-lifting hook, 323-O-shaped ring, 33-second air plug, 331-second spiral cover, 4-guide structure, 41-guide sleeve, 42-travel stop block, 43-locking nut, 5-locking structure, 51-first bolt, 52-second bolt, 6-cylinder chamber, 61-indicator and 62-pulling bolt.

Detailed Description

The present invention will be described with reference to specific embodiments.

Fig. 1 is the structural schematic diagram of the pneumatic film multi-spring actuator, as shown in fig. 1, the pneumatic film multi-spring actuator is arranged above the cylinder chamber 6, including: install lower mould lid 2 directly over the jar room 6, with upper die cover 1 that lower mould lid 2 can dismantle the connection, upper die cover 1 top central authorities are equipped with top cap structure 3, lower mould lid 2 bottom central authorities are equipped with guide structure 4. The center of the top of the upper die cover 1 is provided with a first through hole 11.

Fig. 2 is a partial view a of fig. 1, and as shown in fig. 2, the roof structure 3 includes: and the air plug 32 is matched with the first through hole 11, an air groove 321 is formed in the bottom of the air plug 32, and a pair of lifting hooks 322 is symmetrically arranged at two ends of the top of the air plug 32.

The periphery of the first through hole 11 of the upper die cover 1 is provided with a first flanging 111 which is vertically turned upwards, and the height of the first flanging 111 is greater than two thirds of the height of the plug body of the air plug 32. The purpose of the first flange 111 is to fix the air plug 32 by the inner side of the first flange 111 better engaging with the plug body of the air plug 32. Such height limitations are provided to control the contact area to provide sufficient force to clamp the air lock 32 while still providing secure retention.

Fig. 5 is a partial enlarged view D of fig. 2, and as shown in fig. 5, an O-ring is embedded in the bottom of the air plug 32 and fixed on the top of the first flange 111. An O-ring is provided to seal and help secure the air lock 32.

The top of the upper die cover 1 is also provided with a first air plug 31 and a second air plug 33, and the first air plug 31 and the second air plug 33 are oppositely arranged at two sides of the first through hole 11. The first air plug 31 and the second air plug 33 are arranged to control the internal air pressure through the form of ventilation and deflation.

Fig. 4 is a partial view C of fig. 1, and as shown in fig. 1 and 4, the guide structure 4 includes: a guide sleeve 41 embedded at the top of the cylinder chamber 6, and a pulling bolt 62 is matched in the guide sleeve 41. The outside of the pulling bolt 62 is sleeved with a travel stop 42, the top of the pulling bolt 62 is matched with a locking nut 43, and the locking nut 43 is fixed on the top surface of the travel stop 42.

Fig. 3 is a partial view B of fig. 1, and as shown in fig. 3, the outer edge of the upper mold cover 1 is provided with a second flange 14, the lower mold cover 2 is provided with a partition 21, and the outer edge of the lower mold cover 2 is provided with a third flange 211. The second flange 14 corresponds to the third flange 211. And locking structures 5 are arranged at the second flanging 14 and the third flanging 211. The flanging is arranged to help the fixing, so that the upper die cover and the lower die cover can be conveniently arranged in a corresponding mode, and the pre-installation is realized.

The locking structure 5 includes: a plurality of first bolts 51 passing through the second flange 14 and the third flange 211, and a second bolt 52 passing through the second flange 14 and the third flange 211. The first bolt 51 and the second bolt are both installed on the second flanging 14 from top to bottom, and the tails of the first bolt 51 and the second bolt are both fixed at the bottom of the third flanging 211 through nuts.

The use steps for the above setup are as follows: the hook 322 and the O-ring 323 are unscrewed and removed, the air lock 32 is unscrewed and released, the lock nut 43 is taken out from the first through hole 11, and the stroke stopper 42 is taken out from the first through hole 11. The die head is stabilized by hand, the hexagonal surface of the guide sleeve 41 is clamped by a wrench, the die head part (namely the whole body formed by the upper die cover and the lower die cover) is integrally screwed out, the die head part is turned upside down, and then the guide sleeve 41 is screwed by the wrench. Then the travel stop 42 is installed, the locking nut 43 is screwed down, and the O-shaped ring 323 and the air plug 32 are installed in sequence. This achieves a reversal of the positive and negative effects.

The device can realize positive and negative effect exchange without opening the membrane cover. When in operation, the locking nuts above and below the die head are loosened, the die head is reversely arranged, and then the locking nuts are tightly arranged. The user is safe and convenient to replace, and the assembly precision and the air tightness of the diaphragm when the die head leaves a factory are not damaged. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. Pneumatic film multi-spring actuating mechanism with positive and negative effect exchange structure sets up the top at cylinder chamber (6), its characterized in that includes: the cylinder cover structure comprises a lower die cover (2) arranged right above the cylinder chamber (6) and an upper die cover (1) detachably connected with the lower die cover (2), wherein a top cover structure (3) is arranged in the center of the top of the upper die cover (1), and a guide structure (4) is arranged in the center of the bottom of the lower die cover (2); a first through hole (11) is formed in the center of the top of the upper die cover (1);

the roof construction (3) comprises: with air lock (32) of first through-hole (11) complex, the bottom of air lock (32) is equipped with air duct (321), air lock (32) top both ends symmetry is equipped with a pair of lifting hook (322).

2. Pneumatic membrane multi-spring actuator with positive-negative exchange structure according to claim 1, characterized in that said guide structure (4) comprises: the guide sleeve (41) is embedded in the top of the cylinder chamber (6), and a pulling bolt (62) is matched in the guide sleeve (41); the stroke stop block (42) is sleeved outside the pull bolt (62), the top of the pull bolt (62) is matched with a locking nut (43), and the locking nut (43) is fixed on the top surface of the stroke stop block (42).

3. The pneumatic diaphragm multi-spring actuator with the positive-negative exchange structure according to claim 1, wherein the upper die cover (1) is provided with a first flanging (111) vertically flanging upwards at the periphery of the first through hole (11), and the height of the first flanging (111) is greater than two-thirds of the height of the plug body of the air plug (32).

4. The pneumatic diaphragm multi-spring actuator with positive-negative exchange structure as claimed in claim 3, wherein the bottom of the air plug (32) is embedded with an O-ring fixed on the top of the first flange (111).

5. The pneumatic film multi-spring actuator with the positive and negative exchange structure as claimed in claim 1, wherein the outer edge of the upper die cover (1) is provided with a second flanging (14), the lower die cover (2) is internally provided with an interlayer (21), and the outer edge of the lower die cover (2) is provided with a third flanging (211); the second flanging (14) corresponds to the third flanging (211) in position; and locking structures (5) are arranged at the second flanging (14) and the third flanging (211).

6. Pneumatic membrane multi-spring actuator with positive-negative exchange structure, according to claim 5, characterized in that said locking structure (5) comprises: a plurality of first bolts (51) penetrating through the second flanging (14) and the third flanging (211), and second bolts (52) penetrating through the second flanging (14) and the third flanging (211); first bolt (51) and second bolt all from top to bottom install on second turn-ups (14), the afterbody of first bolt (51) and second bolt all passes through the nut to be fixed in the bottom of third turn-ups (211).

7. The pneumatic diaphragm multi-spring actuator with the positive-negative acting exchange structure as claimed in claim 1, wherein a first air cock (31) and a second air cock (33) are further mounted on the top of the upper die cover (1), and the first air cock (31) and the second air cock (33) are oppositely arranged on two sides of the first through hole (11).

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