CN209926729U - Contact heating device and vacuum drying equipment - Google Patents
Contact heating device and vacuum drying equipment Download PDFInfo
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- CN209926729U CN209926729U CN201920528067.0U CN201920528067U CN209926729U CN 209926729 U CN209926729 U CN 209926729U CN 201920528067 U CN201920528067 U CN 201920528067U CN 209926729 U CN209926729 U CN 209926729U
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Abstract
The utility model discloses a contact heating device and vacuum drying equipment, wherein, the contact heating device comprises a frame component; a plurality of first heating plates arranged at intervals; adjustment mechanism, adjustment mechanism's quantity is two, two adjustment mechanism intervals set up the relative both sides at frame subassembly, adjustment mechanism includes fixed subassembly, interval adjusting part and a plurality of installation piece, fixed subassembly sets up on frame subassembly, interval adjusting part is including articulated first linking arm in proper order, the second linking arm, third linking arm and fourth linking arm, first linking arm, fourth linking arm and frame subassembly are articulated, the second linking arm, third linking arm and fixed subassembly are articulated, a plurality of installation piece intervals set up on interval adjusting part, a plurality of installation pieces are connected with a plurality of first hot plates respectively. The utility model discloses a realize that the interval between the first hot plate is adjustable to reach the drying that is applicable to not unidimensional material product, improved heating device's commonality.
Description
Technical Field
The utility model relates to a vacuum drying technical field especially relates to a contact heating device and vacuum drying equipment.
Background
At present, the vacuum drying of materials usually adopts heating modes such as hot air circulation heating, radiation heating, contact heating and the like. Wherein, contact heating is because the surface of hot plate direct contact material, and temperature homogeneity is good and drying cycle is short, receives material manufacture factory's favor more and more. In order to ensure good contact between the material and the heating plate, the heating plate in the existing contact heating device is usually non-movable, and the non-movable heating plate limits the type of the dried material and has poor universality.
In view of the above, there is a need for a contact heating apparatus that overcomes or alleviates at least the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a contact heating device and vacuum drying apparatus, which solves the problem of the prior art that the distance between the heating plates is not adjustable and the universality of the heating device is poor.
In order to achieve the above object, the present invention provides a contact heating apparatus, comprising a frame assembly; the heating plate assembly is arranged in a space enclosed by the frame assembly and comprises a plurality of first heating plates arranged at intervals; adjustment mechanism, adjustment mechanism's quantity is two, two the adjustment mechanism interval sets up frame subassembly's relative both sides, adjustment mechanism includes fixed subassembly, interval adjusting part and a plurality of installation piece, fixed subassembly sets up frame subassembly is last, interval adjusting part is including articulated first linking arm, second linking arm, third linking arm and fourth linking arm in proper order, first linking arm fourth linking arm with frame subassembly is articulated, the second linking arm the third linking arm with fixed subassembly is articulated, fixed subassembly is used for fixing the second linking arm with contained angle between the third linking arm is a plurality of installation piece interval sets up on the interval adjusting part, it is a plurality of the installation piece is respectively with a plurality of the border of first hot plate is connected.
Preferably, the fixing assembly comprises a connecting bracket fixedly connected with the frame assembly, and a connecting rod hinged with the second connecting arm and the third connecting arm, and the connecting rod is connected with the connecting bracket.
Preferably, the connecting bracket comprises a first supporting plate and a second supporting plate, the first supporting plate is fixedly connected with the frame assembly, and the connecting rod penetrates through the first supporting plate and is fixedly connected with the second supporting plate.
Preferably, the adjusting mechanism further comprises a clamping force adjusting assembly, the clamping force adjusting assembly comprises a screw rod penetrating through the first supporting plate and connected with the second supporting plate, an adjusting nut matched with the screw rod, and a spring sleeved on the screw rod, one end of the spring abuts against the first supporting plate, the other end of the spring abuts against the second supporting plate, and the adjusting nut and the spring are arranged on two sides of the first supporting plate at intervals.
Preferably, a through hole is formed in the second supporting plate, the screw rod passes through the through hole, the clamping force adjusting assembly further comprises a first nut and a second nut which are matched with the screw rod, the first nut and the second nut are arranged on two sides of the second supporting plate at intervals, and the first nut abuts against the spring.
Preferably, the clamping force adjusting assemblies are two in number, and the two clamping force adjusting assemblies are arranged on two sides of the connecting rod at intervals.
Preferably, the heating panel assembly further includes a second heating panel disposed at a bottom of the plurality of first heating panels.
Preferably, the one end of first linking arm with the one end of fourth linking arm through first articulated elements with the frame subassembly is articulated, the one end of second linking arm with the one end of third linking arm through the second articulated elements with the connecting rod is articulated, the other end of second linking arm through the third articulated elements with the middle part of first linking arm is articulated, the other end of third linking arm through the fourth articulated elements with the middle part of fourth linking arm is articulated.
Preferably, the spacing adjustment assembly further comprises a guide rod, one end of the guide rod is fixedly connected with the first hinge part, the other end of the guide rod is movably connected with the second hinge part, and the guide rod is used for guiding the second connecting arm and one end, hinged to the third connecting arm, of the guide rod to move along the guide rod.
Furthermore, the utility model also provides a vacuum drying equipment, wherein, vacuum drying equipment includes above contact heating device.
In the technical scheme of the utility model, because the provided fixing component is used for fixing the included angle between the second connecting arm and the third connecting arm, the plurality of mounting blocks are arranged on the spacing adjusting component at intervals, the plurality of mounting blocks are respectively connected with the edges of the plurality of first heating plates, when the distance between the adjacent first heating plates 2 needs to be reduced, the fixing component can be controlled to move downwards relative to the initial position, the fixing component drives the second connecting arm and the third connecting arm which are hinged with the fixing component to move downwards, the included angle between the second connecting arm and the third connecting arm becomes smaller, and the second connecting arm drives the first connecting arm and the third connecting arm which are hinged with the fixing component to drive the fourth connecting arm which is hinged with the fixing component to fold inwards so that the included angle between the first connecting arm and the fourth connecting arm also becomes smaller, and the spacing between the adjacent mounting blocks which are arranged on the spacing adjusting component at intervals becomes smaller, the interval between the first heating plates correspondingly connected with the mounting blocks becomes smaller; when the distance between the adjacent first heating plates 2 needs to be increased, and the fixing component can be controlled to move upwards relative to the initial position, the fixing component drives the second connecting arm and the third connecting arm which are hinged with the fixing component to move upwards, the included angle between the second connecting arm and the third connecting arm is increased, and the second connecting arm drives the first connecting arm hinged with the second connecting arm and the third connecting arm drives the fourth connecting arm hinged with the third connecting arm to be scattered outwards so as to enlarge the included angle between the first connecting arm and the fourth connecting arm, so that the distance between the adjacent installation blocks arranged on the distance adjusting component at intervals is increased, the distance between the first heating plates correspondingly connected with the installation blocks is increased, so that the distance between the first heating plates can be adjusted through the furled or scattered state of the distance adjusting components, therefore, the drying device is suitable for drying lithium batteries with different sizes, and the universality of the heating device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a contact heating apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an adjusting mechanism in a contact heating apparatus according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of an adjusting mechanism in a contact heating apparatus according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Frame assembly | 2 | |
| 3 | Second heating plate | 4 | |
| 41 | First connecting |
42 | Second connecting |
| 43 | Third connecting |
44 | Fourth connecting |
| 45 | |
46 | |
| 47 | |
48 | Fourth hinge member |
| 5 | |
51 | Connecting |
| 52 | Connecting |
53 | First supporting |
| 54 | |
6 | |
| 7 | Clamping |
71 | |
| 72 | Adjusting |
73 | |
| 74 | |
75 | |
| 76 | |
77 | |
| 78 | |
81 | |
| 82 | |
83 | Guide groove |
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, according to one aspect of the present invention, there is provided a contact heating apparatus comprising a frame assembly 1; the heating plate assembly is arranged in a space surrounded by the frame assembly 1 and comprises a plurality of first heating plates 2 arranged at intervals; adjustment mechanism, adjustment mechanism's quantity is two, two adjustment mechanism intervals set up the relative both sides at frame subassembly 1, adjustment mechanism includes fixed subassembly 5, interval adjustment subassembly 4 and a plurality of installation piece 6, fixed subassembly 5 sets up on frame subassembly 1, interval adjustment subassembly 4 is including articulated first linking arm 41 in proper order, second linking arm 42, third linking arm 43 and fourth linking arm 44, first linking arm 41, fourth linking arm 44 and frame subassembly 1 are articulated, second linking arm 42, third linking arm 43 and fixed subassembly 5 are articulated, fixed subassembly 5 is used for the contained angle between fixed second linking arm 42 and the third linking arm 43, a plurality of installation piece 6 intervals set up on interval adjustment subassembly 4, a plurality of installation pieces 6 are connected with the border of a plurality of first hot plate 2 respectively. It should be noted that this contact heating device is particularly suitable for being as the contact heating device of lithium cell, and during the use, puts into between adjacent first hot plate 2 with the lithium cell, and first hot plate 2 generates heat and heats the lithium cell. This embodiment is described taking the lithium cell as an example, but is not limited to the contact heating device as the lithium cell, if there are other equipment to use the utility model provides a contact heating device also reason should fall into the utility model discloses a protection scope.
The technical scheme of the utility model, because the contact heating device who provides includes two adjustment mechanism, two adjustment mechanism intervals set up in frame subassembly 1's relative both sides to make installation piece 6 can follow the fixed first hot plate 2 in the both sides of first hot plate 2. In this embodiment, the mounting blocks 6 may be disposed on the first connecting arm 41 and the fourth connecting arm 44 at intervals, when the distance between the adjacent first heating plates 2 needs to be reduced, the fixing assembly 5 may be controlled to move downward relative to the initial position, the fixing assembly 5 drives the second connecting arm 42 and the third connecting arm 43 hinged thereto to move downward, the included angle between the second connecting arm 42 and the third connecting arm 43 becomes smaller, the second connecting arm 42 drives the first connecting arm 41 hinged thereto, and the third connecting arm 43 drives the fourth connecting arm 44 hinged thereto to draw inward so that the included angle between the first connecting arm 41 and the fourth connecting arm 44 also becomes smaller, the interval between the adjacent mounting blocks 6 disposed on the interval adjusting assembly 4 becomes smaller, then the interval between the first heating plates 2 correspondingly connected to the mounting blocks 6 becomes smaller, and finally the fixing assembly 5 is fixed to the frame assembly 1, ensuring that the distance between the first heating plates 2 is constant; when the distance between the adjacent first heating plates 2 needs to be increased, and the fixing assembly 5 can be controlled to move upward relative to the initial position, the fixing assembly 5 drives the second connecting arm 42 and the third connecting arm 43 hinged thereto to move upward, the included angle between the second connecting arm 42 and the third connecting arm 43 becomes larger, and the second connecting arm 42 drives the first connecting arm 41 and the third connecting arm 43 hinged thereto to drive the fourth connecting arm 44 hinged thereto to scatter outward, so that the included angle between the first connecting arm 41 and the fourth connecting arm 44 also becomes larger, so that the distance between the adjacent mounting blocks 6 arranged on the distance adjusting assembly 4 at intervals becomes larger, the distance between the first heating plates 2 correspondingly connected with the mounting blocks 6 becomes larger, thereby realizing the adjustable distance between the first heating plates 2 through the furled or scattered state of the distance adjusting assembly 4, and achieving the drying suitable for lithium batteries with different sizes, the universality of the heating device is improved.
Further, the fixing assembly 5 includes a connecting bracket 52 fixedly connected with the frame assembly 1, and a connecting rod 51 hinged with the second connecting arm 42 and the third connecting arm 43, and the connecting rod 51 is connected with the connecting bracket 52. Connecting rod 51 is articulated with second linking arm 42 and third linking arm 43, through the removal of drive connecting rod 51, can drive second linking arm 42 and third linking arm 43 and remove to change the contained angle grow or diminish between second linking arm 42 and the third linking arm 43.
More specifically, the connecting bracket 52 includes a first support plate 53 and a second support plate 54, the first support plate 53 is fixedly connected to the frame assembly 1, and the connecting rod 51 passes through the first support plate 53 and is fixedly connected to the second support plate 54. The connecting rod 51 can drive the second supporting plate 54 to move together along a through hole (not shown) formed in the first supporting plate 53 and matched with the first supporting plate. The distance between the adjacent first heating plates 2 can be made constant by fixing the positional relationship between the connecting rod 51 and the first supporting plate 53.
In addition, the adjusting mechanism further comprises a clamping force adjusting assembly 7, the clamping force adjusting assembly 7 comprises a screw 71 penetrating through the first supporting plate 53 and connected with the second supporting plate 54, an adjusting nut 72 matched with the screw 71, and a spring 73 sleeved on the screw 71, one end of the spring 73 abuts against the first supporting plate 53, the other end of the spring 73 abuts against the second supporting plate 54, and the adjusting nut 72 and the spring 73 are arranged on two sides of the first supporting plate 53 at intervals. The adjusting nut 72 is screwed, the screw rod 71 drives the second supporting plate 54 to move upwards, the spring 73 is compressed, and the connecting rod 51 fixedly connected with the second supporting plate 54 moves upwards along with the compression; the adjusting nut 72 is unscrewed, the screw 71 drives the second support plate 54 to move downwards, the spring 73 extends, and the connecting rod 51 fixedly connected with the second support plate 54 moves downwards along with the extending of the spring. Whereby the driving of the connecting rods 51 to adjust the distance between the first heating plates 2 is accomplished by tightening or loosening the adjusting nuts 72, and at the same time, the compression or extension of the springs 73 also enables the adjustment of the clamping force between the first heating plates 2.
Furthermore, the second supporting plate 54 is provided with a through hole (not shown) matched with the screw 71, the clamping force adjusting assembly 7 further comprises a first nut 74 and a second nut 75 matched with the screw 71, the first nut 74 and the second nut 75 are arranged on two sides of the second supporting plate 54 at intervals, the first nut 74 abuts against the spring 73, the second supporting plate 54 is provided with a slotted hole 78 matched with the connecting rod 51, the fixing assembly 5 further comprises a third nut 76 and a fourth nut 77 matched with the connecting rod 51, and the third nut 76 and the fourth nut 77 are arranged on two sides of the second supporting plate 54 at intervals. The clamping force adjusting assembly 7 is fixedly connected with the second supporting plate 54 through a first nut 74 and a second nut 75, and the connecting rod 51 is fixedly connected with the second supporting plate 54 through a third nut 76 and a fourth nut 77, so that the clamping force adjusting assembly 7 and the connecting rod 51 can be conveniently mounted and dismounted, and meanwhile, the distance between the initial pre-tightening force of the spring 73 and the first heating plate 2 can be conveniently adjusted. In actual use, the first nut 74 and the second nut 75 can be detached to replace the spring 73 with different elastic forces according to actual needs, so as to obtain different initial pre-tightening forces.
In one embodiment, the number of the clamping force adjusting assemblies 7 is two, and the two clamping force adjusting assemblies 7 are arranged on two sides of the connecting rod 51 at intervals. The clamping force adjusting assemblies 7 are respectively arranged on two sides of the connecting rod 51, so that the driving of the connecting rod 51 to the spacing adjusting assembly 4 can be balanced, and the adjusting mechanism is more stable.
Referring to fig. 1, in an embodiment, the heating plate assembly further includes a second heating plate 3 disposed at the bottom of the plurality of first heating plates 2. The border of a plurality of first hot plate 2 and second hot plate 3 is connected with external power source respectively, and the lithium cell adopts trilateral contact's heating methods with two first hot plate 2 and 3 in close contact with of second hot plate for heating efficiency promotes, and drying cycle shortens, and the homogeneity of product heating is good.
More specifically, referring to fig. 2, one end of the first connecting arm 41 and one end of the fourth connecting arm 44 are hinged to the frame assembly 1 through a first hinge 45, one end of the second connecting arm 42 and one end of the third connecting arm 43 are hinged to a connecting rod 51 through a second hinge 46, the other end of the second connecting arm 42 is hinged to the middle portion of the first connecting arm 41 through a third hinge 47, and the other end of the third connecting arm 43 is hinged to the middle portion of the fourth connecting arm 44 through a fourth hinge 48. The mounting blocks 6 are provided on the first, second, third and fourth hinges 45, 46, 47 and 48, respectively, and in addition, a mounting block 6 may also be provided on the first link arm 41 between the first hinge 45 and the third hinge 47, and two mounting blocks 6 may also be provided spaced apart on the other end of the first link arm 41 remote from the first hinge 45, a mounting block 6 may also be provided on the second connecting arm 42 between the second hinge 46 and the third hinge 47, a mounting block 6 may also be provided on the third connecting arm 43 between the second 46 and fourth 48 hinge members, a mounting block 6 may also be provided on the fourth connecting arm 44 between the first hinge 45 and the fourth hinge 48, and two mounting blocks 6 may also be provided spaced apart on the other end of the fourth connecting arm 44 remote from the first hinge 45. Of course, the present invention is not limited to this, the third hinge 47 can be hinged to the first connecting arm 41 at other suitable positions, the fourth hinge 48 can be hinged to the fourth connecting arm 44 at other suitable positions, and the number and positions of the mounting blocks 6 disposed on the first connecting arm 41, the second connecting arm 42, the third connecting arm 43, and the fourth connecting arm 44 can be correspondingly arranged according to the number of the first heating plates 2 and the specific size of the contact heating device.
Further, referring to fig. 2 and 3, the spacing adjustment assembly 4 further includes a guide rod 81, one end of the guide rod 81 is fixedly connected to the first hinge 45, the other end of the guide rod 81 is movably connected to the second hinge 46, and the guide rod 81 is used for guiding the end of the second connecting arm 42 hinged to the third connecting arm 43 to move along the guide rod 81. One end of the guide rod 81 passes through a through hole formed in the mounting block 6 connected to the first hinge member 45, and the guide rod 81 is fixed by a double-nut structure, and the other end of the guide rod 81 passes through a through hole formed in the mounting block 6 connected to the second hinge member 46, so that the entire distance adjusting assembly 4 can move along the guide rod 81. Spacing adjustment subassembly 4 still includes direction layer board 82, and direction layer board 82 sets up on frame subassembly 1 and sets up the guide way 83 with guide bar 81 complex, and the tank bottom of guide bar 81's tip butt guide way 83 for whole spacing adjustment subassembly 4 takes place the skew in the regulation, and guide bar 81 can slide along guide way 83.
Furthermore, according to another aspect of the present invention, there is also provided a vacuum drying apparatus, wherein the vacuum drying apparatus includes the above contact heating device. Since the vacuum drying device adopts all technical solutions of the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A contact heating apparatus, comprising:
a frame assembly;
the heating plate assembly is arranged in a space enclosed by the frame assembly and comprises a plurality of first heating plates arranged at intervals;
adjustment mechanism, adjustment mechanism's quantity is two, two the adjustment mechanism interval sets up frame subassembly's relative both sides, adjustment mechanism includes fixed subassembly, interval adjusting part and a plurality of installation piece, fixed subassembly sets up frame subassembly is last, interval adjusting part is including articulated first linking arm, second linking arm, third linking arm and fourth linking arm in proper order, first linking arm fourth linking arm with frame subassembly is articulated, the second linking arm the third linking arm with fixed subassembly is articulated, fixed subassembly is used for fixing the second linking arm with contained angle between the third linking arm is a plurality of installation piece interval sets up on the interval adjusting part, it is a plurality of the installation piece is respectively with a plurality of the border of first hot plate is connected.
2. The contact heating apparatus of claim 1, wherein the fixing assembly comprises a connecting bracket fixedly connected to the frame assembly, and a connecting rod hinged to the second connecting arm and the third connecting arm, the connecting rod being connected to the connecting bracket.
3. The contact heating apparatus of claim 2, wherein the connecting bracket comprises a first support plate and a second support plate, the first support plate is fixedly connected to the frame assembly, and the connecting rod passes through the first support plate and is fixedly connected to the second support plate.
4. The contact heating apparatus according to claim 3, wherein the adjusting mechanism further comprises a clamping force adjusting assembly, the clamping force adjusting assembly comprises a screw rod passing through the first supporting plate and connected to the second supporting plate, an adjusting nut engaged with the screw rod, and a spring sleeved on the screw rod, one end of the spring abuts against the first supporting plate, the other end of the spring abuts against the second supporting plate, and the adjusting nut and the spring are spaced apart from each other and disposed on two sides of the first supporting plate.
5. The contact heating apparatus according to claim 4, wherein the second supporting plate has a through hole, the screw rod passes through the through hole, the clamping force adjusting assembly further comprises a first nut and a second nut engaged with the screw rod, the first nut and the second nut are disposed at two sides of the second supporting plate at an interval, and the first nut abuts against the spring.
6. The contact heating apparatus of claim 4, wherein the number of the clamping force adjusting assemblies is two, and the two clamping force adjusting assemblies are spaced apart on both sides of the connecting rod.
7. The contact heating apparatus according to any one of claims 1 to 6, wherein the heating plate assembly further comprises a second heating plate disposed at a bottom of the plurality of first heating plates.
8. The contact heating apparatus according to any one of claims 2 to 6, wherein one end of the first connecting arm and one end of the fourth connecting arm are hinged to the frame assembly by a first hinge, one end of the second connecting arm and one end of the third connecting arm are hinged to the connecting rod by a second hinge, the other end of the second connecting arm is hinged to a middle portion of the first connecting arm by a third hinge, and the other end of the third connecting arm is hinged to a middle portion of the fourth connecting arm by a fourth hinge.
9. The contact heating apparatus according to claim 8, wherein the distance adjustment assembly further comprises a guide rod, one end of the guide rod is fixedly connected to the first hinge, the other end of the guide rod is movably connected to the second hinge, and the guide rod is configured to guide the end of the second connecting arm hinged to the third connecting arm to move along the guide rod.
10. A vacuum drying apparatus, characterized in that it comprises a contact heating device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528067.0U CN209926729U (en) | 2019-04-17 | 2019-04-17 | Contact heating device and vacuum drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528067.0U CN209926729U (en) | 2019-04-17 | 2019-04-17 | Contact heating device and vacuum drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209926729U true CN209926729U (en) | 2020-01-10 |
Family
ID=69073944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920528067.0U Active CN209926729U (en) | 2019-04-17 | 2019-04-17 | Contact heating device and vacuum drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209926729U (en) |
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2019
- 2019-04-17 CN CN201920528067.0U patent/CN209926729U/en active Active
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