CN214323892U

CN214323892U - Pneumatic die clamper

Info

Publication number: CN214323892U
Application number: CN202022474419.4U
Authority: CN
Inventors: 王永丽; 方灿根; 方迪江; 方田
Original assignee: Zhejiang Strom Technology Co ltd
Current assignee: Zhejiang Strom Technology Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-10-01
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a pneumatic die clamper, include: the device comprises a body, a pressing plate driving device, a state detection device and a pressing plate. The body is of a shell structure, one side of the shell is connected with a pressing plate through a rotating shaft, and the other side of the shell is connected with a pressing plate driving device. And the pressing plate driving device executes the actions of clamping and releasing the die through the entering direction of the gas. The state detection device distinguishes the mold clamping state and the mold releasing state through the state of the transmission microswitch. The utility model discloses a use scene is widened to gaseous clamp plate drive arrangement, can improve the security through state detection device.

Description

Pneumatic die clamper

Technical Field

The utility model belongs to quick retooling field relates to a pneumatic die clamper.

Background

In the industrial production of blow molding, extrusion molding, casting, stamping, etc., various types of molds are often used. In the production process, the mold may be subjected to different forces, and needs to be fixed and prevented from moving by means of an external clamp, so that the product forming size inside the mold is ensured to be more accurate. However, due to the diversification of the mold, the mold is required to be replaced in time.

The traditional die clamper is matched with a clamping die by a bolt with a screw head arranged in a T-shaped groove and a clamping block with a larger area and a screw hole. The mold clamping device clamps the mold by screwing the screw and unscrews the screw to replace the mold. This kind of manual dismouting mode, the mould change time is longer, has wasted a large amount of human costs, has reduced production efficiency.

The pressing plate type mold clamping device clamps the mold through hydraulic oil, can reduce the time used when the mold is replaced, and is widely applied to industrial scenes in which the mold needs to be replaced frequently. However, food-grade hygienic requirements are required in the fields of food, medical treatment, cosmetics and the like, and hydraulic oil cannot meet the requirements and cannot be used. In view of the above, the present inventors have conducted extensive studies on the above problems, and have developed the present invention by using a mold clamping device in the above fields.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art not enough, provide one kind and can use in food level health requires the field to there is the pneumatic die clamper of higher security.

The utility model discloses a concrete scheme as follows:

the pneumatic die clamper consists of a body, a pressing plate driving device and a state detection device.

The body is of a shell structure, one side of the shell is connected with a pressing plate through a rotating shaft, and the other side of the shell is connected with a pressing plate driving device. The body below is connected with the reset spring of slope, and the reset spring front end is connected with the thimble. The joint of the return spring and the body is higher than the thimble. The reset spring and the ejector pin can assist the pressing plate driving device to execute the action of loosening the die.

The pressure plate driving device comprises a cylinder, a piston, a sliding tongue, a front air inlet and a tail air inlet. The piston is connected with the sliding tongue, and the piston can transmit the force in the cylinder to the sliding tongue so as to enable the sliding tongue to move back and forth. The sliding tongue extends into the body and is close to the pressure plate, the upper side surface of the sliding tongue close to the pressure plate is an inclined surface, and a track is arranged in the inclined surface. The track can make the motion of roller on the clamp plate safer. The front end of the inclined surface of the sliding tongue is provided with a hook which can pull the pressing plate backwards when the action of loosening the mould is executed. Two strengthening springs are arranged in the cylinder, and the strengthening springs can increase the thrust on the piston. The pressing plate driving device is provided with two air inlets, and when the clamping die needs to be carried out, air is fed from the tail air inlet; when the action of loosening the mold is required, air is introduced from the front air inlet.

The state detection device is of a shell structure and comprises a touch rod and a microswitch. The shell structure can protect the function of the state detection device to be complete and stable. The touch rod is arranged in the shell of the state detection device and comprises a T-shaped connector, a first touch rod and a second touch rod which are in threaded connection with each other, the periphery of the first touch rod is matched and connected with a first shaft sleeve in the shell of the state detection device, and the periphery of the second touch rod is matched and connected with a second shaft sleeve in the shell of the state detection device. The shaft sleeve has the function of protecting the touch rod and preventing the touch rod from being damaged. The second touch rod is provided with a bulge which is matched with the front micro switch and the rear micro switch in contact. The control system distinguishes whether the current mold clamping device clamps the mold or not by reading signals of the micro switch, plays a role in stroke detection, and has higher safety.

The pressing plate is of a polygonal structure, the first side edge is a die clamping side edge, and the side edge is directly contacted with the die. The lower side of the first side edge is provided with a second side edge, the second side edge is provided with a thimble mounting hole, and the side edge is connected with the body through a thimble and a return spring. The rear side surface of the first side edge is provided with an arc hole, a rolling shaft is clamped in the arc hole, and the rolling shaft can roll up and down along the inclined surface of the sliding tongue. The side surface on the first side edge passes through the clamping groove clamping state detection device. The state of the mold clamping device is transmitted to the state detection device through the relative motion of the touch rod embedded in the clamping groove and the microswitch.

The utility model has the advantages as follows:

the utility model discloses an expand the range of application of die clamper, can use in the field that food level health required to higher security has.

Drawings

FIG. 1 is a schematic view of the overall structure of a pneumatic mold clamping device;

FIG. 2 is a cross-sectional view of a pneumatic die clamper;

Detailed Description

The pneumatic die clamper shown in fig. 1-2 comprises: the device comprises a body 1, a pressing plate driving device 2, a state detection device 3 and a pressing plate 4.

The body 1 is of a shell structure, one side of the shell is connected with a pressing plate 4 through a rotating shaft, and the other side of the shell is connected with a pressing plate driving device 3. An inclined return spring 15 is connected to the lower part of the body 1, and the front end of the return spring 15 is connected with an ejector pin 14. The joint of the return spring 15 and the body is higher than the thimble. The pressure plate driving device 2 comprises a cylinder 6, a piston 11, a sliding tongue 7, a front air inlet 23 and a tail air inlet 24. The piston 11 is connected with the sliding tongue 7, the sliding tongue 7 extends into the body 1 and is close to the pressure plate 4, the upper side surface of the sliding tongue 7 close to the pressure plate 4 is an inclined surface, and a track is arranged in the inclined surface. The front end of the inclined surface of the sliding tongue is provided with a hook. Inside the cylinder 6 there are two reinforcing springs 22. The state detection device 3 is of a shell structure and comprises a touch rod 9 and a micro switch 10, wherein the touch rod 9 is respectively connected with the micro switch 10 and the pressing plate 4. The touch rod 9 is arranged in the shell of the state detection device 3, the touch rod 9 comprises a T-shaped connector 17, a first touch rod 18 and a second touch rod 19 which are in threaded connection with each other, the periphery of the first touch rod 18 is matched and connected with a first shaft sleeve 20 in the shell of the state detection device 3, and the periphery of the second touch rod 19 is matched and connected with a second shaft sleeve 21 in the shell of the state detection device 3. The second touch rod 19 is provided with a bulge which is matched with and contacted with the front micro switch and the rear micro switch. The pressing plate 4 is of a polygonal structure, the first side 12 is a die clamping side, the second side 13 is arranged on the lower side of the first side 12, and the second side 13 is provided with an ejector pin mounting hole. The rear side surface of the first side edge 12 is provided with an arc hole, a roller 8 is clamped in the arc hole, and the roller 8 can roll up and down along the inclined surface of the sliding tongue 7. The state detection device 3 is held on the upper side of the first side 12 by a holding groove 16.

Preferably, when the mold clamping action is performed, high-pressure air is pressurized into the tail air inlet 24 through the air pump, the piston 11 is pushed to move forward by the high-pressure air in the air cylinder 6, the piston 11 drives the sliding tongue 7, the inclined surface of the sliding tongue 7 is provided with a guide rail matched with the roller 8, the roller 8 is pushed to move upwards, the pressing plate 4 rotates anticlockwise, and the mold is clamped. With the downward clamping of the pressure plate 4, the clamping groove 16 above the pressure plate pulls the touch rod 9 to move forward, after the clamping, the convex part of the touch rod 9 touches the front micro switch, and the micro switch 10 sends a clamping signal to the control system. At this time, the return spring 15 is compressed. When the action of releasing the mold is executed, high-pressure air is pressed into the front air inlet 23 through the air pump, the piston 11 is pushed to retreat by the high-pressure air in the air cylinder 6, the hook in front of the mold clamping device sliding tongue 7 pulls the rear part of the pressing plate 4 to retreat, the return spring 15 is reset to push the ejector pin 14 outwards, and the pressing plate 4 rotates clockwise to release the mold. Meanwhile, the touch rod 9 on the pressure plate retreats, the convex part touches the rear microswitch, and the microswitch 10 sends a mold release signal to the control system.

Claims

1. The utility model provides a pneumatic die clamper, includes body (1), clamp plate drive arrangement (2), state detection device (3) and clamp plate (4), its characterized in that: the body (1) is of a shell structure, one side of the shell is connected with a pressure plate (4) through a rotating shaft (5), and the other side of the shell is connected with a pressure plate driving device (2); the pressing plate driving device (2) comprises a sliding tongue (7) driven by an air cylinder (6) to move back and forth, and the sliding tongue (7) is connected with a rolling shaft (8) on the pressing plate through an inclined plane; the pressing plate is characterized in that a state detection device (3) is connected to the upper side face of the pressing plate, the state detection device (3) comprises a touch rod (9), and the touch rod (9) is connected with a microswitch (10) and the pressing plate (4) respectively.

2. A pneumatic die clamper according to claim 1, wherein: the piston (11) is arranged in the cylinder (6), the piston is connected with a shaft-shaped sliding tongue (7), and a guide rail matched roller (8) is arranged on the inclined surface of the sliding tongue (7).

3. A pneumatic die clamper according to claim 1, wherein: pressing plate (4) be polygonized structure, first side (12) are the die clamping side, first side (12) downside is equipped with second side (13), it has the thimble mounting hole to open on second side (13), thimble (14) in the thimble mounting hole pass through reset spring (15) and connect body (1), first side (12) trailing flank passes through circular arc hole centre gripping roller bearing (8), side passes through centre gripping groove (16) centre gripping state detection device (3) on first side (12).

4. A pneumatic die clamper according to claim 1, wherein: the touch rod (9) is installed in a shell of the state detection device (3), the touch rod (9) comprises a T-shaped connector (17), a first touch rod (18) and a second touch rod (19) which are connected through threads, the periphery of the first touch rod (18) is matched and connected with a first shaft sleeve (20) in the shell of the state detection device (3), and the periphery of the second touch rod (19) is matched and connected with a second shaft sleeve (21) in the shell of the state detection device.

5. The pneumatic die clamper of claim 4, wherein: and the second touch rod (19) is provided with a bulge which is matched with and contacts the front micro switch and the rear micro switch.

6. A pneumatic die clamper according to claim 3, wherein: reset spring (15) set up for the slope, reset spring (15) and body (1) link are higher than the thimble mounting hole.

7. A pneumatic die clamper according to claim 1, wherein: the cylinder (6) is connected with an end cover, and a reinforcing spring (22) is arranged between the end cover and the piston.