CN213346869U - Draw jar with press device - Google Patents
Draw jar with press device Download PDFInfo
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- CN213346869U CN213346869U CN202021717121.5U CN202021717121U CN213346869U CN 213346869 U CN213346869 U CN 213346869U CN 202021717121 U CN202021717121 U CN 202021717121U CN 213346869 U CN213346869 U CN 213346869U
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- pull rod
- sleeve
- jar
- clamp plate
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Abstract
The utility model discloses a draw jar with press device, it includes jar body and press device, press device includes: the device comprises an air cylinder, a first pull rod, two second pull rods and two pressing plates, wherein a piston rod of the air cylinder is fixedly connected with the upper end of the vertically arranged first pull rod, the first pull rod is arranged with a top cover in a sliding and sealing mode, and the lower end of the first pull rod is hinged with the upper ends of the two second pull rods respectively; the two pressing plates are symmetrically arranged about the vertical center line of the tank body, the two second pull rods are distributed in a splayed shape, the lower end of each second pull rod is hinged to the corresponding pressing plate, the pressing plates are hinged to the tank body, the hinge axis of the pressing plates and the tank body is parallel to the hinge axis of the pressing plates and the second pull rods, and the hinge axis of the pressing plates and the tank body is closer to the vertical center line of the tank body than the hinge axis of the pressing plates and the second pull rods. The utility model reduces the maintenance and replacement cost of the material pressing device and improves the reliability of the material pressing device; but also can be suitable for the reinforced extraction tank in jar body top.
Description
Technical Field
The utility model relates to a pharmaceutical equipment technical field, concretely relates to draw jar with press device.
Background
The extraction operation of some herbal medicines with density lower than water is often needed in the pharmaceutical process to obtain the effective medicinal components in the herbal medicines, and the extraction operation is carried out in an extraction tank. Because the medicinal materials with lower density usually float on the liquid surface, the medicine is not fully extracted, the effect is not ideal, and the effective components in the medicinal materials can not enter the liquid.
In order to solve such a problem, a pressing device is often arranged in the existing extraction tank, for example, patent document 1 (publication number CN108114502A) discloses an anti-floating extraction tank, an inner cavity of the extraction tank is provided with an anti-floating plate and a lifting column, and the lifting column is utilized to drive the anti-floating plate to move up and down so as to press the easily floating medicinal materials into the position below the liquid level. However, the pressing device has the following problems:
1. the lifting column is positioned in the inner cavity of the extraction tank, and the lifting column is easily damaged in the high-temperature and high-humidity environment in the extraction tank, so that the problems of high maintenance cost and short service life are caused.
2. The moving mode of the anti-floating plate is translational, and under the condition that medicinal materials or other raw materials need to be put into the top of the extracting tank, the medicinal materials are difficult to reach the lower part of the anti-floating plate, so that the anti-floating device is not suitable for the extracting tank with top feeding.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the prior art, promote the maintainability and the life of extracting jar press device to be favorable to the medicinal material to add from the top of extracting the jar. The utility model provides a draw jar with press device, concrete technical scheme as follows.
The utility model provides a draw jar with press device which characterized in that, including jar body and press device, press device includes: the tank comprises an air cylinder, a first pull rod, two second pull rods and two pressing plates, wherein the air cylinder is fixed right above a top cover of the tank body, a piston rod of the air cylinder is fixedly connected with the upper end of the vertically arranged first pull rod, the first pull rod penetrates through the center of the top cover, the upper end of the first pull rod is positioned outside the tank body, the lower end of the first pull rod is positioned in the tank body, the first pull rod and the top cover are arranged in a sliding and sealing mode, and the lower end of the first pull rod is hinged to the upper ends of the two second pull rods respectively;
be located internal two of jar the clamp plate is about the vertical central line symmetry of the jar body sets up, and a clamp plate corresponds to a second pull rod, two the second pull rod is the splayed distribution, each the lower extreme of second pull rod respectively with correspond the clamp plate is articulated, the clamp plate with jar body is articulated, the clamp plate with jar articulated axis of the body is on a parallel with the clamp plate with the articulated axis of second pull rod, just the clamp plate with jar articulated axis of the body compare in the clamp plate with the articulated axis of second pull rod is more close to the vertical central line of the jar body.
By adopting the technical scheme, the two main parts of the pressing device, namely the pressing plate and the cylinder, are respectively positioned in the tank body and outside the tank body, and the pressing plate can be made of stainless steel and other materials with excellent corrosion resistance and can be used in a high-temperature and high-humidity environment in the tank body for a long time; the air cylinder which cannot be used in a high-temperature high-humidity environment is arranged outside the tank body, so that the service life of the pressing device is prolonged; through setting up can be for top cap first pull rod that slides from top to bottom, the piston rod of having avoided the cylinder stretches into jar internal, like this when the cylinder needs to be changed, directly demolish whole cylinder, with the piston rod of new cylinder with first pull rod fixed can, greatly simplified maintenance and change process, because first pull rod, second pull rod and clamp plate all deposit mechanical connection, the reliability is higher. The clamp plate realizes pressing materials through rotating, when the clamp plate is in a non-pressing state, materials such as medicinal materials can be added from the top of the tank body, the materials can fall below the clamp plate, and the problem that the materials cannot be pressed into the liquid level below the liquid level when the materials are positioned on the clamp plate before pressing materials is started is avoided.
Furthermore, a first sleeve is fixedly arranged on the top cover, a central hole of the first sleeve is communicated with an inner cavity of the tank body, the first sleeve comprises a large inner diameter section and a small inner diameter section, and the large inner diameter section is provided with internal threads; big internal diameter section female connection second sleeve, the second sleeve has the external screw thread, the second sleeve with be provided with O type sealing washer between the little internal diameter section, first pull rod runs through first sleeve, O type sealing washer and second sleeve. By adopting the structure, in the process of screwing the second sleeve, the second sleeve tightly pushes the O-shaped sealing ring, so that the outer side of the O-shaped sealing ring tightly pushes the inner surface of the first sleeve, and the inner side tightly pushes the outer surface of the first pull rod, thereby realizing the sliding sealing of the first pull rod and the first sleeve (top cover).
Further, still fixedly on the top cap be provided with the safety cover, the cylinder fixedly set up in the top of safety cover, the piston rod of cylinder, second sleeve and the upper end of first pull rod all is located in the safety cover. The safety cover has played the effect of cylinder installing support on the one hand, and on the other hand can carry out dustproof protection to parts such as piston rod and second sleeve.
Furthermore, a limit baffle is fixedly arranged at the upper end of the piston rod or the first pull rod. Through setting up limit baffle, can restrict the length that the piston rod of cylinder stretches out, when limit baffle butt in the second sleeve, piston rod stretching out length reaches the biggest to the extreme position of control clamp plate can guarantee that the clamp plate is in horizontal position roughly when pressing the material.
The utility model reduces the maintenance and replacement cost of the material pressing device and improves the reliability of the material pressing device; but also can be suitable for the reinforced extraction tank in jar body top.
Drawings
Figure 1 is a schematic view of an extraction tank of the present invention;
FIG. 2 is a schematic view of a swaging apparatus;
fig. 3 is an enlarged view of the area a in fig. 2.
In the figure: jar body 1, top cap 1.1, throw material hole 1.2, press device 2, cylinder 2.1, first pull rod 2.2, second pull rod 2.3, clamp plate 2.4, piston rod 2.5, first sleeve 2.6, second sleeve 2.7, O type sealing washer 2.8, safety cover 2.9, limit baffle 2.10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, an extracting tank with a pressing device comprises a tank body 1 and a pressing device 2, wherein the horizontal section of the tank body 1 is approximately circular, the tank body comprises an arc-shaped top cover 1.1, and a feeding hole 1.2 is arranged on the top cover;
the material pressing device 2 comprises: the tank comprises a cylinder 2.1, a first pull rod 2.2, two second pull rods 2.3 and two pressing plates 2.4, wherein the cylinder 2.1 is fixed right above a top cover 1.1 of the tank body 1, a piston rod 2.5 of the cylinder 2.1 is fixedly connected with the upper end of the vertically arranged first pull rod 2.2, the first pull rod 2.2 penetrates through the center of the top cover 1.1, the upper end of the first pull rod 2.2 is positioned outside the tank body 1, the lower end of the first pull rod 2.2 is positioned in the tank body 1, the first pull rod 2.2 and the top cover 1.1 are arranged in a sliding and sealing mode, and the lower end of the first pull rod 2.2 is hinged with the upper ends of the two second pull rods 2.3 respectively;
the two pressing plates 2.4 positioned in the tank body are symmetrically arranged about the vertical central line of the tank body 1, the two pressing plates 2.4 are approximately in a horizontal state when used for pressing, at the moment, the two pressing plates 2.4 occupy most of the area of the horizontal section of the inner cavity of the tank body 1, and the pressing plates 2.4 can be provided with through holes so as to balance the up-down pressure difference generated when the pressing plates 2.4 are pressed down; one pressing plate 2.4 corresponds to one second pull rod 2.3, two second pull rods 2.3 are splayed and distributed, the lower end of each second pull rod 2.3 is hinged with the corresponding pressing plate 2.4, the pressing plate 2.4 is hinged with the tank body 1, the hinging axis of the pressing plate 2.4 and the tank body 1 is parallel to the hinging axis of the pressing plate 2.4 and the second pull rods 2.3, and the hinging axis of the pressing plate 2.4 and the tank body 1 is closer to the vertical central line of the tank body 1 than the hinging axis of the pressing plate 2.4 and the second pull rods 2.3.
In order to realize the sliding sealing connection between the first pull rod 2.2 and the top cover 1.1, a first sleeve 2.6 is fixedly arranged on the top cover 1.1, a central hole of the first sleeve 2.6 is communicated with an inner cavity of the tank body 1, the first sleeve 2.6 can be fixed on the top cover 1.1 in a welding mode, the first sleeve 2.6 comprises a large inner diameter section (the upper part in the figure 3) and a small inner diameter section (the lower part in the figure 3), and the large inner diameter section is provided with an internal thread; big internal diameter section female connection second sleeve 2.7, second sleeve 2.7 have the external screw thread, are provided with O type sealing washer 2.8 between second sleeve 2.7 and the little internal diameter section, and first pull rod 2.3 runs through first sleeve 2.6, O type sealing washer 2.8 and second sleeve 2.7. In the process of screwing the second sleeve 2.7, the second sleeve 2.7 tightly pushes the O-shaped sealing ring 2.8, so that the outer side of the O-shaped sealing ring 2.8 tightly pushes the inner surface of the first sleeve 2.6, and the inner side tightly pushes the outer surface of the first pull rod 2.2, thereby realizing the sliding seal of the first pull rod 2.2 and the first sleeve 2.6 (top cover).
Still fixedly on the top cap 1.1 be provided with safety cover 2.9, cylinder 2.1 sets up in safety cover 2.9's top through the bolt fastening, and the piston rod 2.5 of cylinder 2.1, second sleeve 2.7 and the upper end of first pull rod 2.2 all are located safety cover 2.9.
Preferably, the upper end of the piston rod 2.5 or the first pull rod 2.2 is fixedly provided with a limit baffle 2.10. Through setting up limit baffle 2.10, can restrict the length that the piston rod 2.5 of cylinder 2.1 stretches out, when limit baffle 2.10 butt in second sleeve 2.7, the length that the piston rod 2.5 stretches out reaches the biggest to control the extreme position of clamp plate 2.4, can guarantee that clamp plate 2.4 is in horizontal position when pressing the material roughly.
The working mode of the material pressing device 2 is as follows: before materials are ready to be put in, a piston rod 2.5 of the air cylinder 2.1 retracts, the first pull rod 2.2 pulls the second pull rod 2.3, and the pressing plate 2.4 rotates around a hinge axis of the pressing plate 2.4 and the tank body 1 under the action of the second pull rod 2.3, so that the pressing plate 2.4 is in an open state, and at the moment, the materials are put into the tank body 1 from the feeding hole 1.2 and are positioned below the pressing plate 2.4; then the feeding hole 1.2 is closed, the piston rod 2.5 of the air cylinder 2.1 extends to drive the pressing plate 2.4 to rotate, so that materials (flower and grass type medicines) floating on the liquid surface are pressed below the liquid surface (the pressing plate 2.4 is in a closed state), the steam valve is opened to heat the tank until the extraction work is completed, and then the pressing plate 2.4 is adjusted to an open state.
The embodiments of the present invention have been described above with reference to the accompanying drawings, and features of the embodiments and examples of the present invention may be combined with each other without conflict. The present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and the scope of the present invention, which is encompassed by the present invention.
Claims (4)
1. The utility model provides a draw jar with press device which characterized in that, including jar body and press device, press device includes: the tank comprises an air cylinder, a first pull rod, two second pull rods and two pressing plates, wherein the air cylinder is fixed right above a top cover of the tank body, a piston rod of the air cylinder is fixedly connected with the upper end of the vertically arranged first pull rod, the first pull rod penetrates through the center of the top cover, the upper end of the first pull rod is positioned outside the tank body, the lower end of the first pull rod is positioned in the tank body, the first pull rod and the top cover are arranged in a sliding and sealing mode, and the lower end of the first pull rod is hinged to the upper ends of the two second pull rods respectively;
be located internal two of jar the clamp plate is about the vertical central line symmetry of the jar body sets up, and a clamp plate corresponds to a second pull rod, two the second pull rod is the splayed distribution, each the lower extreme of second pull rod respectively with correspond the clamp plate is articulated, the clamp plate with jar body is articulated, the clamp plate with jar articulated axis of the body is on a parallel with the clamp plate with the articulated axis of second pull rod, just the clamp plate with jar articulated axis of the body compare in the clamp plate with the articulated axis of second pull rod is more close to the vertical central line of the jar body.
2. The extraction tank with the pressing device as claimed in claim 1, wherein a first sleeve is fixedly arranged on the top cover, a central hole of the first sleeve is communicated with an inner cavity of the tank body, the first sleeve comprises a large inner diameter section and a small inner diameter section, and the large inner diameter section is provided with internal threads; big internal diameter section female connection second sleeve, the second sleeve has the external screw thread, the second sleeve with be provided with O type sealing washer between the little internal diameter section, first pull rod runs through first sleeve, O type sealing washer and second sleeve.
3. The extraction tank with the pressing device as claimed in claim 1, wherein a protective cover is further fixedly arranged on the top cover, the cylinder is fixedly arranged at the top end of the protective cover, and the piston rod of the cylinder, the second sleeve and the upper end of the first pull rod are all located in the protective cover.
4. The extraction tank with the pressing device as claimed in claim 1, wherein a limit baffle is fixedly arranged at an upper end of the piston rod or the first pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021717121.5U CN213346869U (en) | 2020-08-17 | 2020-08-17 | Draw jar with press device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021717121.5U CN213346869U (en) | 2020-08-17 | 2020-08-17 | Draw jar with press device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213346869U true CN213346869U (en) | 2021-06-04 |
Family
ID=76145171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021717121.5U Active CN213346869U (en) | 2020-08-17 | 2020-08-17 | Draw jar with press device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213346869U (en) |
-
2020
- 2020-08-17 CN CN202021717121.5U patent/CN213346869U/en active Active
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