A step-through vacuum drying device

Abstract

The utility model is applicable to the field of vacuum drying technology, and provides a step-through vacuum drying device, including a frame, and also including: a chain; a tooling, which is floatingly connected to the chain; a vacuum upper sealing cavity; an O-ring; a vacuum upper sealing groove, in which an O-ring is inlaid; a vacuum lower sealing groove, in which an O-ring is inlaid; a height adjustment structure 1, which is used to adjust the height of the vacuum upper sealing groove; a height adjustment structure 2, which is used to adjust the height of the vacuum lower sealing groove; and a vacuum pumping structure. In the utility model, the vacuum upper sealing groove is a floating structure, and the assembly and manufacturing precision requirements are not high; the seal between the tooling and the vacuum upper sealing groove is a floating type, and the O-ring does not need to be pressed and sealed by external force. After the O-rings in the vacuum upper sealing groove and the vacuum lower sealing groove are in contact with the tooling, they naturally fit together to form a seal when vacuuming.

Description

Technical Field

[0001] The utility model belongs to the technical field of vacuum drying, and in particular relates to a step-through vacuum drying device. Background Art

[0002] At present, the vacuum device in the conventional step-through cleaning equipment has low sealing stability, high requirements for manufacturing and assembly precision, high structural complexity, and high maintenance and manufacturing costs. Therefore, a step-through vacuum drying device is proposed. Utility Model Content

[0003] The utility model aims to provide a step-through vacuum drying device, aiming to solve the problems raised in the above background technology.

[0004] The utility model is implemented in this way: a step-through vacuum drying device includes a frame, characterized in that it also includes:

[0005] Chain, mounted on the frame;

[0006] Tooling, floatingly connected to the chain, used to load the workpiece;

[0007] A vacuum sealed cavity;

[0008] O-ring;

[0009] The vacuum upper sealing groove is fixedly arranged at the bottom of the vacuum upper sealing cavity, and an O-type sealing ring is inlaid in the vacuum upper sealing groove; the vacuum upper sealing groove contacts the upper surface of the tooling through the O-type sealing ring;

[0010] A vacuum lower sealing groove, wherein an O-type sealing ring is inlaid in the vacuum lower sealing groove; the vacuum lower sealing groove contacts the lower surface of the tooling through the O-type sealing ring;

[0011] A height adjustment structure 1 is arranged on the frame, and the height adjustment structure 1 is movably connected to the vacuum upper sealing cavity and is used to adjust the height of the vacuum upper sealing groove;

[0012] A second height adjustment structure is provided on the frame, and the second height adjustment structure is fixedly connected to the vacuum lower sealing groove and is used to adjust the height of the vacuum lower sealing groove;

[0013] The vacuum pumping structure is used for vacuum pumping.

[0014] Furthermore, the height adjustment structure 1 includes:

[0015] The vacuum upper sealing groove lifting cylinder is fixedly arranged on the frame;

[0016] A cylinder connector 1 is fixedly arranged on the vacuum upper sealing cavity, and the output end of the vacuum upper sealing groove lifting cylinder is movably connected to the cylinder connector 1;

[0017] A fixing rod, wherein the frame is fixedly connected to two symmetrically arranged fixing rods;

[0018] Guide sleeves: two symmetrically arranged guide sleeves are fixedly connected to the vacuum upper sealing cavity, and the guide sleeves are arranged on the outside of the fixing rod.

[0019] Furthermore, a 2 mm gap is left between the fixing rod and the guide sleeve.

[0020] Furthermore, the second height adjustment structure includes:

[0021] The vacuum lower sealing groove lifting cylinder is fixedly arranged on the frame;

[0022] The second cylinder connector is fixedly arranged at the bottom of the vacuum lower sealing groove, and the output end of the vacuum lower sealing groove lifting cylinder is fixedly connected to the second cylinder connector;

[0023] Guide rods, the bottom of the vacuum lower sealing groove is fixedly connected to two symmetrically arranged guide rods;

[0024] Linear bearing guides, the frame is fixedly connected with two symmetrically arranged linear bearing guides, and the guide rod is slidably connected with the linear bearing guides.

[0025] Furthermore, the vacuum pumping structure includes:

[0026] A vacuum port is fixedly arranged on the vacuum sealing groove;

[0027] Vacuum hose;

[0028] A vacuum pump body is connected to a vacuum port via a vacuum hose.

[0029] Furthermore, the tooling is made of a flat plate.

[0030] Compared with the prior art, the beneficial effects of the utility model are:

[0031] The step-through vacuum drying device has a floating vacuum upper sealing groove, which does not require high assembly and manufacturing precision. The seal between the tooling and the vacuum upper sealing groove is floating, and the O-ring does not need to be pressed and sealed by external force. After the O-rings in the vacuum upper sealing groove and the vacuum lower sealing groove are in contact with the tooling, they naturally fit together to form a seal when vacuuming. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of a step-through vacuum drying device.

[0033] Figure 2 It is a schematic diagram of the step-through vacuum drying device in a sealed state.

[0034] Figure 3 This is a schematic diagram of the step-through vacuum drying device when it is unsealed.

[0035] Figure 4 It is a schematic diagram of the top view of the step-through vacuum drying device.

[0036] In the figure: frame 01, chain 02, tooling 03, vacuum upper sealing chamber 04, O-ring 05, vacuum upper sealing groove 06, vacuum upper sealing groove lifting cylinder 61, cylinder connector 1 62, fixing rod 63, guide sleeve 64, vacuum lower sealing groove 07, vacuum lower sealing groove lifting cylinder 71, cylinder connector 2 72, guide rod 73, linear bearing guide 74, vacuum port 81, vacuum hose 82, vacuum pump body 83. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0038] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0039] like Figure 1-4 As shown, a step-through vacuum drying device provided by an embodiment of the utility model includes a frame 01 and also includes:

[0040] Chain 02, installed on frame 01;

[0041] Tooling 03, floatingly connected to chain 02, is used to load workpieces;

[0042] Vacuum upper sealing cavity 04;

[0043] O-ring 05;

[0044] The vacuum upper sealing groove 06 is fixedly arranged at the bottom of the vacuum upper sealing cavity 04, and an O-type sealing ring 05 is embedded in the vacuum upper sealing groove 06; the vacuum upper sealing groove 06 contacts the upper surface of the tooling 03 through the O-type sealing ring 05;

[0045] A vacuum lower sealing groove 07, wherein an O-type sealing ring 05 is embedded in the vacuum lower sealing groove 07; the vacuum lower sealing groove 07 contacts the lower surface of the tooling 03 through the O-type sealing ring 05;

[0046] A height adjustment structure 1 is provided on the frame 01, and the height adjustment structure 1 is movably connected to the upper vacuum sealing cavity 04, and is used to adjust the height of the upper vacuum sealing groove 06;

[0047] A second height adjustment structure is provided on the frame 01, and the second height adjustment structure is fixedly connected to the vacuum lower sealing groove 07, and is used to adjust the height of the vacuum lower sealing groove 07;

[0048] The vacuum port 81 is fixedly arranged on the vacuum lower sealing groove 07;

[0049] Vacuum hose 82;

[0050] The vacuum pump body 83 is connected to the vacuum port 81 through a vacuum hose 82 .

[0051] In the embodiment of the utility model, both the tooling 03 and the upper vacuum sealing groove 06 can float.

[0052] Specifically, the second height adjustment structure drives the vacuum upper sealing groove 06 to move downward, and the vacuum upper sealing groove 06 falls freely onto the tooling 03 without precise guidance, and then the vacuum lower sealing groove 07 contacts the lower surface of the tooling 03 through the O-ring 05; the first height adjustment structure drives the vacuum lower sealing groove 07 to move upward, and the vacuum upper sealing groove 06 contacts the upper surface of the tooling 03 through the O-ring 05, thereby quickly forming a sealing state and realizing vacuum extraction.

[0053] The O-ring 05 does not need to be pressed and sealed by external force. After the O-ring 05 in the vacuum upper sealing groove 06 and the vacuum lower sealing groove 07 come into contact with the tooling 03, they naturally fit together to form a seal when vacuuming (starting the vacuum pump body 83, and the vacuum pump body 83 is vacuumed through the vacuum hose 82).

[0054] like Figure 1-3 As shown, as a preferred embodiment of the utility model, the height adjustment structure 1 includes:

[0055] The vacuum upper sealing groove lifting cylinder 61 is fixedly arranged on the frame 01;

[0056] The cylinder connector 62 is fixedly arranged on the vacuum upper sealing cavity 04, and the output end of the vacuum upper sealing groove lifting cylinder 61 is movably connected to the cylinder connector 62;

[0057] Fixed rod 63, two symmetrically arranged fixed rods 63 are fixedly connected to the frame 01;

[0058] Guide sleeves 64 : two symmetrically arranged guide sleeves 64 are fixedly connected to the vacuum upper sealing cavity 04 , and the guide sleeves 64 are sleeved on the outer side of the fixing rod 63 .

[0059] In the embodiment of the utility model, preferably, the vacuum upper sealing groove lifting cylinder 61 is used to adjust the height of the vacuum upper sealing groove 06.

[0060] like Figure 1-3 As shown, as a preferred embodiment of the present utility model, a 2 mm gap is left between the fixing rod 63 and the guide sleeve 64 .

[0061] In the embodiment of the utility model, preferably, through the above arrangement, the vacuum upper sealing groove 06 can fall freely onto the tooling 03 .

[0062] like Figure 1-3 As shown, as a preferred embodiment of the utility model, the height adjustment structure 2 includes:

[0063] The vacuum lower sealing groove lifting cylinder 71 is fixedly arranged on the frame 01;

[0064] The second cylinder connector 72 is fixedly arranged at the bottom of the vacuum lower sealing groove 07, and the output end of the vacuum lower sealing groove lifting cylinder 71 is fixedly connected to the second cylinder connector 72;

[0065] Guide rods 73, two symmetrically arranged guide rods 73 are fixedly connected to the bottom of the vacuum lower sealing groove 07;

[0066] Linear bearing guides 74 , two symmetrically arranged linear bearing guides 74 are fixedly connected to the frame 01 , and the guide rod 73 is slidably connected to the linear bearing guides 74 .

[0067] In the embodiment of the utility model, preferably, the vacuum lower seal groove 07 is guided by a guide rod 73, and the position accuracy is high. The vacuum lower seal groove lifting cylinder 71 is used to adjust the height of the vacuum lower seal groove 07. The guide rod 73 guides the moving vacuum lower seal groove 07 by sliding relative to the linear bearing guide 74.

[0068] like Figure 1 As shown, as a preferred embodiment of the utility model, the tooling 03 is made of a flat plate.

[0069] In the embodiment of the utility model, preferably, the tooling 03 for loading the workpiece is made of a flat plate, flexibly connected to the chain 02, and can float in a small space.

[0070] The working principle of the utility model is:

[0071] In the step-through vacuum drying device, the second height adjustment structure drives the vacuum upper sealing groove 06 to move downward, and the vacuum upper sealing groove 06 falls freely onto the tooling 03, and then the vacuum lower sealing groove 07 contacts the lower surface of the tooling 03 through the O-ring 05; the first height adjustment structure drives the vacuum lower sealing groove 07 to move upward, and the vacuum upper sealing groove 06 contacts the upper surface of the tooling 03 through the O-ring 05, thereby quickly forming a sealing state, and vacuuming can be achieved.

[0072] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A step-through vacuum drying device, comprising a frame, characterized in that: Also includes: Chain, mounted on the frame; Tooling, floatingly connected to the chain, used to load the workpiece; A vacuum upper sealing cavity; O-ring; The vacuum upper sealing groove is fixedly arranged at the bottom of the vacuum upper sealing cavity, and an O-type sealing ring is inlaid in the vacuum upper sealing groove; the vacuum upper sealing groove contacts the upper surface of the tooling through the O-type sealing ring; A vacuum lower sealing groove, wherein an O-type sealing ring is inlaid in the vacuum lower sealing groove; the vacuum lower sealing groove contacts the lower surface of the tooling through the O-type sealing ring; A height adjustment structure 1 is arranged on the frame, and the height adjustment structure 1 is movably connected to the vacuum upper sealing cavity, and is used to adjust the height of the vacuum upper sealing groove; A second height adjustment structure is provided on the frame, and the second height adjustment structure is fixedly connected to the vacuum lower sealing groove and is used to adjust the height of the vacuum lower sealing groove; The vacuum structure is used for vacuuming.

2. The step-through vacuum drying device according to claim 1, characterized in that: The height adjustment structure 1 comprises: The vacuum upper sealing groove lifting cylinder is fixedly arranged on the frame; A cylinder connector 1 is fixedly arranged on the vacuum upper sealing cavity, and the output end of the vacuum upper sealing groove lifting cylinder is movably connected to the cylinder connector 1; A fixing rod, wherein the frame is fixedly connected to two symmetrically arranged fixing rods; Guide sleeves: two symmetrically arranged guide sleeves are fixedly connected to the vacuum upper sealing cavity, and the guide sleeves are arranged on the outside of the fixing rod.

3. The step-through vacuum drying device according to claim 2, characterized in that: A 2mm gap is left between the fixing rod and the guide sleeve.

4. The step-through vacuum drying device according to claim 1, characterized in that: The second height adjustment structure comprises: The vacuum lower sealing groove lifting cylinder is fixedly arranged on the frame; The second cylinder connector is fixedly arranged at the bottom of the vacuum lower sealing groove, and the output end of the vacuum lower sealing groove lifting cylinder is fixedly connected to the second cylinder connector; Guide rods, the bottom of the vacuum lower sealing groove is fixedly connected to two symmetrically arranged guide rods; Linear bearing guides, the frame is fixedly connected with two symmetrically arranged linear bearing guides, and the guide rod is slidably connected with the linear bearing guides.

5. The step-through vacuum drying device according to claim 1, characterized in that: The vacuum pumping structure comprises: A vacuum port is fixedly arranged on the vacuum sealing groove; Vacuum hose; A vacuum pump body is connected to a vacuum port via a vacuum hose.

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