Heating furnace structure with anti-scalding structure

Abstract

The invention provides a heating furnace structure with an anti-scalding structure, and relates to the field of food detection and heating furnaces. The rear portions of the left side and the right side of the heating furnace body are each connected with a door opening driving cylinder in a hinged mode. A group of first furnace cover connecting rods and a group of second furnace cover connecting rods are hinged to the front parts of the left and right sides of the heating furnace main body; the front portion of the first furnace cover connecting rod and the front portion of the second furnace cover connecting rod are jointly connected with an anti-scalding furnace cover in a hinged mode. The lower portions of the left side and the right side of the heating furnace body are each fixedly connected with a dragging driving piece. A set of heating bearing plates are slidably connected to the inner bottom face of the heating furnace body, and the left side and the right side of the heating furnace body are each provided with a set of bearing plate dragging assembly. According to the anti-scalding furnace cover, scalding caused by carelessly touching the inner wall of the anti-scalding furnace cover when a sample is operated is effectively avoided, scalding caused by carelessly touching the interior of a heating furnace body is reduced, the operation safety is improved, and the problem that scalding is likely to be caused by mistaken touching in actual use is solved.

Description

Technical Field

[0001] The invention relates to the technical field of food detection and heating furnaces, and in particular to a heating furnace structure with an anti-scalding structure. Background Art

[0002] Heating furnaces are often used in food ash determination and dry digestion and other testing methods in food testing. Existing heating furnaces are generally box-type mechanisms. The sample to be heated is placed in the furnace cavity and sealed by a swing furnace door, and then the sample is heated.

[0003] For example, application number: CN201820343616.2 discloses a muffle furnace anti-scalding device for food testing, comprising a muffle furnace shell, a supporting foot is arranged on the lower surface of the muffle furnace shell, a temperature controller is arranged on one side of the front surface of the muffle furnace shell, a switch is arranged below the temperature controller, a muffle furnace door is arranged on the other side of the front surface of the muffle furnace shell, a furnace body protection shell is arranged at the middle position of the muffle furnace door, a muffle furnace anti-scalding body is arranged inside the muffle furnace shell, a sliding groove is arranged on the inner surface of the muffle furnace anti-scalding body, and an adsorption magnet is arranged on the front surface of the muffle furnace anti-scalding body. By designing a sliding block and a sliding groove, in order to avoid inconvenience in placing food during testing, the object placement plate can be pulled out and placed by sliding the sliding block in the sliding groove, which is easy to operate. By designing an object fixing body, it is avoided that the filled food is placed loosely during testing, and the clamping plate can be pushed by manual hand buckle to clamp it, and it is tightened by a spring to improve the tightness.

[0004] However, in the actual use of the heating furnace, the temperatures of the inner walls of the furnace cavity and the inner walls of the furnace door are very high when the furnace door is just opened. Since the furnace door is a swing structure, the inner wall of the furnace door faces outward after the furnace door is opened, and burns may be caused by accidental touch during operation. At the same time, since the sample is located inside the furnace cavity, it is easy to accidentally touch the inner wall of the furnace cavity when taking and placing the sample, causing burns, which poses certain safety hazards. Summary of the invention

[0005] In view of this, the present invention provides a heating furnace structure with an anti-scalding structure. After the anti-scalding furnace cover is opened, the anti-scalding furnace cover is located on the top of the heating furnace main body and faces backward, which effectively avoids burns caused by accidentally touching the inner wall of the anti-scalding furnace cover when operating the sample. The structure has a good anti-scalding effect, realizes automatic feeding and discharging of samples, facilitates the operation of samples, reduces burns caused by accidentally touching the inside of the heating furnace main body when taking and placing samples, and improves operational safety.

[0006] The present invention provides a purpose and function of a heating furnace structure with an anti-scalding structure, which specifically includes: a heating furnace main body; a door opening drive cylinder is hingedly connected to the rear parts of the left and right sides of the heating furnace main body; a group of first furnace cover connecting rods and a group of second furnace cover connecting rods are hingedly connected to the front parts of the left and right sides of the heating furnace main body; the front parts of the first furnace cover connecting rods and the second furnace cover connecting rods are jointly hingedly connected to an anti-scalding furnace cover; a dragging driving member is fixedly connected to the lower parts of the left and right sides of the heating furnace main body; a group of heating bearing plates are slidably connected to the inner bottom surface of the heating furnace main body; a bearing plate push plate is slidably connected to the rear of the inner bottom surface of the heating furnace main body, and the bearing plate push plate is elastically connected to the heating furnace main body through a spring; a group of bearing plate dragging components are arranged on the left and right sides of the heating furnace main body.

[0007] Furthermore, the piston rod end of each group of the door opening drive cylinders is hingedly connected to the first furnace cover connecting rod, and the heating furnace body, the door opening drive cylinders and the first furnace cover connecting rod together form a crank slider structure.

[0008] Furthermore, the first furnace cover connecting rod and the second furnace cover connecting rod are installed in parallel, and the first furnace cover connecting rod, the second furnace cover connecting rod, the anti-scalding furnace cover and the heating furnace body together form a hinge parallelogram structure.

[0009] Furthermore, the carrier plate dragging assembly includes: a dragging screw, a dragging slider, a dragging screw is coaxially fixedly connected to the end of the rotating shaft of the dragging driving member, a dragging slider is threadedly connected to the outer side of the dragging screw, the dragging slider is slidably connected to the heating furnace body, and the dragging screw and the dragging slider are meshed to form a screw nut transmission pair.

[0010] Furthermore, the carrier plate dragging assembly also includes: a dragging rod and a dragging seat; a plurality of pairs of dragging rods are arranged on the left and right sides of the heating furnace body, each pair of dragging rods are cross-hinged to form a scissors-fork structure, and a plurality of groups of cross structures are connected end to end to form a multi-stage scissors-fork structure, a pair of dragging rods at the rear are respectively hinged to the dragging slider and the heating furnace body, and a group of dragging seats are arranged at the front of the multi-stage scissors-fork structure, and the dragging seats are respectively hinged and slidably connected to a pair of dragging rods at the front.

[0011] Furthermore, the load-bearing plate drag assembly also includes: a latch slider and a latch spring, a latch slider is slidably connected to the inner side of the drag seat, and the latch slider is elastically connected to the drag seat through the latch spring.

[0012] Furthermore, the load-bearing plate dragging assembly also includes: a latch connecting rod and a latch assembly, the inner end surfaces of the latch slider and the dragging seat are commonly hingedly connected to multiple pairs of latch connecting rods, each pair of latch connecting rods are cross-hingedly connected to form a scissor-fork mechanism, multiple groups of scissor-fork mechanisms are connected end to end to form a multi-stage scissor-fork structure, and the inner end of the multi-stage scissor-fork structure is commonly hingedly connected to a latch assembly.

[0013] Furthermore, the carrier plate dragging assembly also includes: a pushing pin and a dragging pin hole, and the inner end of the pin assembly is fixedly connected with a pushing pin; a dragging pin hole is opened on the front of the left and right sides of the heating carrier plate, and the pushing pin is plug-connected with the dragging pin hole.

[0014] Furthermore, the carrier plate dragging assembly also includes: a pin pulling drive member and a pin pulling linkage column. The left and right sides of the bottom of the anti-scalding stove cover are fixedly connected with a pin pulling drive member. The pin pulling drive member is an inclined plate-shaped structure inclined outward. The front of the latch assembly is fixedly connected with a pin pulling linkage column. When the anti-scalding stove cover is about to be closed, the inclined surface structure of the pin pulling drive member contacts the pin pulling linkage column to form a wedge block structure.

[0015] Beneficial Effects After the anti-scalding furnace cover is opened, the anti-scalding furnace cover is located on the top of the heating furnace main body and faces backward, which effectively avoids burns caused by accidentally touching the inner wall of the anti-scalding furnace cover when operating the sample. The present invention has a good anti-scalding effect, realizes automatic feeding and discharging of samples, facilitates the operation of samples, reduces burns caused by accidentally touching the inside of the heating furnace main body when taking and placing samples, and improves operating safety.

[0016] In addition, the anti-scalding furnace cover is swung open by adopting a hinged parallelogram structure. After opening the anti-scalding furnace cover, it is located on the top of the hot furnace body and faces backward, which effectively avoids burns caused by accidentally touching the inner wall of the anti-scalding furnace cover when operating the sample, and has a good anti-scalding effect.

[0017] In addition, by adopting a heating support plate that slides back and forth, automatic loading and unloading of samples is achieved, which facilitates the operation of samples, reduces burns caused by accidentally touching the inside of the heating furnace body when placing and taking samples, and improves operational safety.

[0018] In addition, by adopting a pin puller drive with an inclined structure, it is possible to push the pin out of the drag pin hole while closing the anti-scalding stove cover, thereby realizing automated operation, reducing manual operation, simplifying operation, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of a heating furnace with an anti-scalding structure according to an embodiment of the present invention.

[0021] Figure 2 It is a structural schematic diagram of a heating furnace structure with an anti-scalding structure in an embodiment of the present invention, with the heating furnace main body and the door opening drive cylinder removed.

[0022] Figure 3 It is a structural schematic diagram of a bearing plate dragging assembly of a heating furnace structure with an anti-scalding structure according to an embodiment of the present invention.

[0023] Figure 4 It is a schematic diagram of the installation structure of the latch assembly of the heating furnace structure with the anti-scalding structure according to an embodiment of the present invention.

[0024] Figure 5 It is a schematic diagram of the transmission structure of a drag seat of a heating furnace structure with an anti-scalding structure according to an embodiment of the present invention.

[0025] Figure 6 It is a structural schematic diagram of a drag pin hole of a heating furnace structure with an anti-scalding structure in an embodiment of the present invention.

[0026] Figure 7 It is a schematic diagram of the transmission structure of the pin pulling driving member and the pin pulling linkage column of the heating furnace structure with the anti-scalding structure in an embodiment of the present invention.

[0027] Figure 8 It is a schematic structural diagram of an anti-scalding furnace cover of a heating furnace structure with an anti-scalding structure according to an embodiment of the present invention.

[0028] Reference numerals list 1. Heating furnace body; 2. Door opening drive cylinder; 4. First furnace cover connecting rod; 5. Second furnace cover connecting rod; 6. Anti-scalding furnace cover; 601. Pin pulling drive member; 7. Loading plate push plate; 701. Push plate spring; 8. Heating loading plate; 801. Drag pin hole; 9. Drag drive member; 901. Drag lead screw; 902. Drag slider; 10. Drag connecting rod; 11. Drag seat; 12. Latch slider; 1201. Latch spring; 13. Latch connecting rod; 14. Latch assembly; 1401. Pin pulling linkage column; 1402. Push latch. DETAILED DESCRIPTION

[0029] Example 1: Please refer to Figure 1 As shown: The present invention provides a heating furnace structure with an anti-scalding structure, comprising a heating furnace main body 1; a door opening drive cylinder 2 is hingedly connected to the left and right rear parts of the heating furnace main body 1; a group of first furnace cover connecting rods 4 and a group of second furnace cover connecting rods 5 are hingedly connected to the left and right front parts of the heating furnace main body 1; an anti-scalding furnace cover 6 is hingedly connected to the front parts of the first furnace cover connecting rods 4 and the second furnace cover connecting rods 5.

[0030] Among them, the piston rod end of each group of door opening drive cylinders 2 is hingedly connected to the first furnace cover connecting rod 4, and the heating furnace body 1, the door opening drive cylinder 2 and the first furnace cover connecting rod 4 together constitute a crank slider structure. In use, the door opening drive cylinder 2 drives the first furnace cover connecting rod 4 to swing through the crank slider structure jointly constituted by the heating furnace body 1, the door opening drive cylinder 2 and the first furnace cover connecting rod 4.

[0031] Among them, the first furnace cover connecting rod 4 and the second furnace cover connecting rod 5 are installed in parallel, and the first furnace cover connecting rod 4, the second furnace cover connecting rod 5, the anti-scalding furnace cover 6 and the heating furnace main body 1 together constitute a hinge parallelogram structure. When the first furnace cover connecting rod 4 swings, the first furnace cover connecting rod 4 drives the anti-scalding furnace cover 6 to swing through the hinge parallelogram structure jointly constituted by the first furnace cover connecting rod 4, the second furnace cover connecting rod 5, the anti-scalding furnace cover 6 and the heating furnace main body 1, thereby realizing the closing and opening of the anti-scalding furnace cover 6. At the same time, when opened, the anti-scalding furnace cover 6 is located at the top of the heating furnace main body 1 and the anti-scalding furnace cover 6 faces backward, which effectively avoids burns caused by accidentally touching the inner wall of the anti-scalding furnace cover 6 when operating the sample, and has a good anti-scalding effect.

[0032] Specific usage and function of this embodiment: When the cover is opened, the door opening drive cylinder 2 drives the first furnace cover connecting rod 4 to swing through the crank slider structure jointly formed by the heating furnace body 1, the door opening drive cylinder 2 and the first furnace cover connecting rod 4. The first furnace cover connecting rod 4 drives the anti-scalding furnace cover 6 to swing through the hinge parallelogram structure jointly formed by the first furnace cover connecting rod 4, the second furnace cover connecting rod 5, the anti-scalding furnace cover 6 and the heating furnace body 1, thereby realizing the opening of the anti-scalding furnace cover 6. At the same time, when opened, the anti-scalding furnace cover 6 is located at the top of the heating furnace body 1 and the anti-scalding furnace cover 6 faces backward, which effectively avoids burns caused by accidentally touching the inner wall of the anti-scalding furnace cover 6 when operating the sample, and has a good anti-scalding effect.

[0033] Example 2: Please refer to Figures 1 to 8 As shown: On the basis of Example 1, the present invention provides a heating furnace structure with an anti-scalding structure, including a dragging driving member 9 fixedly connected to the lower part of the left and right sides of the heating furnace main body 1; a group of heating bearing plates 8 are slidably connected to the inner bottom surface of the heating furnace main body 1; a bearing plate push plate 7 is slidably connected to the rear of the inner bottom surface of the heating furnace main body 1, and the bearing plate push plate 7 is elastically connected to the heating furnace main body 1 through a spring; a group of bearing plate dragging components are arranged on the left and right sides of the heating furnace main body 1.

[0034] Among them, the carrying plate dragging assembly includes: a dragging screw 901, a dragging slider 902, the end of the rotating shaft of the dragging driving member 9 is coaxially fixedly connected with a dragging screw 901, the outer side of the dragging screw 901 is threadedly connected with a dragging slider 902, the dragging slider 902 is slidingly connected to the heating furnace body 1, the dragging screw 901 and the dragging slider 902 are meshed to form a screw-nut transmission pair. In use, the dragging driving member 9 drives the dragging slider 902 to slide up and down through the screw-nut transmission pair formed by the meshing of the dragging screw 901 and the dragging slider 902.

[0035] Among them, the bearing plate dragging assembly also includes: a dragging connecting rod 10 and a dragging seat 11; multiple pairs of dragging connecting rods 10 are arranged on the left and right sides of the heating furnace main body 1, and each pair of dragging connecting rods 10 are cross-hinged to form a scissors-fork structure. Multiple groups of cross structures are connected end to end to form a multi-stage scissors-fork structure. The rear pair of dragging connecting rods 10 are respectively hinged to the dragging slider 902 and the heating furnace main body 1, and a group of dragging seats 11 are arranged at the front of the multi-stage scissors-fork structure. The dragging seats 11 are respectively hinged and slidably connected to the front pair of dragging connecting rods 10. When the dragging slider 902 slides up and down, the dragging slider 902 drives the multi-stage scissors-fork mechanism to deform and drives the dragging seat 11 to slide back and forth.

[0036] The support plate drag assembly further includes: a latch slider 12 and a latch spring 1201 . A latch slider 12 is slidably connected to the inner side of the drag seat 11 . The latch slider 12 is elastically connected to the drag seat 11 through the latch spring 1201 .

[0037] Among them, the load-bearing plate dragging assembly also includes: a latch link 13 and a latch assembly 14. The latch slider 12 and the inner end surface of the dragging seat 11 are connected to multiple pairs of latch links 13 by a common hinge. Each pair of latch links 13 are cross-hinged to form a scissor-fork mechanism. Multiple groups of scissor-fork mechanisms are connected end to end to form a multi-stage scissor-fork structure. The inner end of the multi-stage scissor-fork structure is commonly hinged with a latch assembly 14. During use, the latch slider 12 slides downward under the action of the latch spring 1201, and the latch slider 12 drives the latch assembly 14 to slide inward through the multi-stage scissor-fork structure.

[0038] Among them, the carrier plate dragging assembly also includes: a pushing pin 1402 and a dragging pin hole 801, and the inner end of the pin assembly 14 is fixedly connected with a pushing pin 1402; a dragging pin hole 801 is opened on the front of the left and right sides of the heating carrier plate 8, and the pushing pin 1402 is plugged and connected with the dragging pin hole 801. During use, when the pin assembly 14 slides inward, the pin assembly 14 drives the pushing pin 1402 to insert into the dragging pin hole 801.

[0039] Among them, the carrying plate dragging assembly also includes: a pin pulling drive member 601 and a pin pulling linkage column 1401. A pin pulling drive member 601 is fixedly connected to the left and right sides of the bottom of the anti-scalding stove cover 6. The pin pulling drive member 601 is an inclined plate-shaped structure inclined outward. A pin pulling linkage column 1401 is fixedly connected to the front of the latch assembly 14. When the anti-scalding stove cover 6 is about to be closed, the inclined surface structure of the pin pulling drive member 601 contacts the pin pulling linkage column 1401 to form a wedge structure. In the process of closing the anti-scalding stove cover 6, when the anti-scalding stove cover 6 is about to be closed, the latch assembly 14 is driven to slide outward under the action of the wedge structure formed by the inclined surface structure of the pin pulling drive member 601 and the pin pulling linkage column 1401, pushing the latch 1402 out of the dragging pin hole 801.

[0040] Specific usage and function of this embodiment: when taking and placing samples, after the door opening drive cylinder 2 is opened, the support plate push plate 7 and the heating support plate 8 are pushed outward under the elastic action of the push plate spring 701, and the latch slider 12 slides downward under the action of the latch spring 1201, and the latch slider 12 drives the latch assembly 14 to slide inward through the multi-stage scissor-fork structure, and the latch assembly 14 drives the push latch 1402 to insert into the drag pin hole 801, and the drag driving member 9 drives the drag slider 902 to slide downward through the screw nut transmission pair formed by the engagement of the drag lead screw 901 and the drag slider 902, and the drag slider 902 drives the multi-stage scissor-fork mechanism to deform and drive the drag seat 11 to slide forward, and the drag seat 11 drives the heating support plate 8 to slide outward through the latch assembly 14, so as to facilitate the taking and placing of samples, reduce burns caused by accidentally touching the inside of the heating furnace body 1 when taking and placing samples, and improve operational safety.

[0041] When the anti-scalding furnace cover 6 is closed, the crank slider structure of the door opening drive cylinder 2 and the hinge parallelogram structure drive the anti-scalding furnace cover 6 to swing, thereby closing the anti-scalding furnace cover 6. When the anti-scalding furnace cover 6 is about to be closed, the wedge block structure formed by the inclined surface structure of the pin pulling drive member 601 and the pin pulling linkage column 1401 drives the latch assembly 14 to slide outward, pushing the latch 1402 out of the drag pin hole 801, and the anti-scalding furnace cover 6 continues to close. The anti-scalding furnace cover 6 squeezes the heating bearing plate 8, the push plate spring 701 is compressed, the heating bearing plate 8 completely enters the heating furnace body 1, and the anti-scalding furnace cover 6 is closed tightly.

Claims

1. A heating furnace structure with an anti-scalding structure, characterized in that: include: A heating furnace body (1); the left and right rear parts of the heating furnace body (1) are hingedly connected to a door opening drive cylinder (2); the left and right front parts of the heating furnace body (1) are hingedly connected to a group of first furnace cover connecting rods (4) and a group of second furnace cover connecting rods (5); the front parts of the first furnace cover connecting rods (4) and the second furnace cover connecting rods (5) are hingedly connected to an anti-scalding furnace cover (6); the lower parts of the left and right sides of the heating furnace body (1) are fixedly connected to a drag driving member (9); the inner bottom surface of the heating furnace body (1) is slidably connected to a group of heating bearing plates (8); the inner bottom surface of the heating furnace body (1) is slidably connected to a bearing plate push plate (7) at the rear, and the bearing plate push plate (7) is elastically connected to the heating furnace body (1) through a spring; and a group of bearing plate dragging components are arranged on the left and right sides of the heating furnace body (1).

2. A heating furnace structure with an anti-scalding structure as claimed in claim 1, characterized in that: The piston rod end of each group of the door opening drive cylinders (2) is hingedly connected to the first furnace cover connecting rod (4), and the heating furnace body (1), the door opening drive cylinders (2) and the first furnace cover connecting rod (4) together form a crank slider structure.

3. A heating furnace structure with an anti-scalding structure as claimed in claim 1, characterized in that: The first furnace cover connecting rod (4) and the second furnace cover connecting rod (5) are installed in parallel, and the first furnace cover connecting rod (4), the second furnace cover connecting rod (5), the anti-scalding furnace cover (6) and the heating furnace body (1) together form a hinge parallelogram structure.

4. A heating furnace structure with an anti-scalding structure as claimed in claim 1, characterized in that: The carrier plate drag assembly comprises: a drag lead screw (901) and a drag slider (902); the end of the rotating shaft of the drag driving member (9) is coaxially fixedly connected to a drag lead screw (901); the outer side of the drag lead screw (901) is threadedly connected to a drag slider (902); the drag slider (902) is slidably connected to the heating furnace body (1); the drag lead screw (901) and the drag slider (902) are meshed to form a lead screw nut transmission pair.

5. A heating furnace structure with an anti-scalding structure as claimed in claim 4, characterized in that: The carrier plate drag assembly further comprises: a drag link (10) and a drag seat (11); a plurality of pairs of drag links (10) are arranged on both sides of the left and right sides of the heating furnace body (1); each pair of drag links (10) are cross-hinged to form a scissor-fork structure; a plurality of groups of cross structures are connected end to end to form a multi-stage scissor-fork structure; a pair of drag links (10) at the rear are respectively hingedly connected to the drag slider (902) and the heating furnace body (1); a group of drag seats (11) are arranged at the front of the multi-stage scissor-fork structure; the drag seats (11) are respectively hingedly connected and slidably connected to a pair of drag links (10) at the front.

6. A heating furnace structure with an anti-scalding structure as claimed in claim 5, characterized in that: The bearing plate drag assembly further comprises: a latch slider (12) and a latch spring (1201); a latch slider (12) is slidably connected to the inner side of the drag seat (11); the latch slider (12) is elastically connected to the drag seat (11) via the latch spring (1201).

7. A heating furnace structure with an anti-scalding structure as claimed in claim 6, characterized in that: The load-bearing plate drag assembly further comprises: a latch link (13) and a latch assembly (14); the inner end surfaces of the latch slider (12) and the drag seat (11) are connected by a common hinge to a plurality of pairs of latch links (13); each pair of latch links (13) are cross-hinged to form a scissor-fork mechanism; the plurality of scissor-fork mechanisms are connected end to end to form a multi-stage scissor-fork structure; the inner ends of the multi-stage scissor-fork structure are connected by a common hinge to a latch assembly (14).

8. A heating furnace structure with an anti-scalding structure as claimed in claim 7, characterized in that: The carrier plate drag assembly further comprises: a push latch (1402) and a drag pin hole (801); the inner end of the latch assembly (14) is fixedly connected with a push latch (1402); and a drag pin hole (801) is provided at the front of both left and right sides of the heating carrier plate (8), and the push latch (1402) is plug-connected with the drag pin hole (801).

9. A heating furnace structure with an anti-scalding structure as claimed in claim 8, characterized in that: The carrier plate dragging assembly further comprises: a pin pulling driving member (601) and a pin pulling linkage column (1401); the left and right sides of the bottom of the anti-scalding stove cover (6) are fixedly connected with a pin pulling driving member (601); the pin pulling driving member (601) is an outwardly inclined inclined plate-shaped structure; the front of the latch assembly (14) is fixedly connected with a pin pulling linkage column (1401); when the anti-scalding stove cover (6) is about to be closed, the inclined surface structure of the pin pulling driving member (601) contacts the pin pulling linkage column (1401) to form a wedge block structure.

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