CN218381942U - Thickness machining tool for heat conductivity coefficient experiment sample - Google Patents

Abstract

The utility model relates to a heat conductivity coefficient tests the processing field, especially relates to a heat conductivity coefficient experimental sample thickness processing tool, including the mould main part with adjustable height, set up the cutter at the top of the mould main part, the pull rod that is connected with the cutter, and locate the guard plate above the cutter, be equipped with the slide rail in the mould main part, the cutter is connected with slide rail swing joint, the guard plate is connected with the cutter directly or indirectly, can realize one-man operation, and height-adjustable realizes two sides processing, different thickness processing; the processing flatness is high, a flat cutter is used for plane processing, and polishing treatment is not needed in one-time processing; the flat knife and the vertical knives form a plurality of inverted T-shaped knife edges, and the vertical knives longitudinally divide the sample, so that the cutting length of the flat knife during plane processing is divided into a plurality of small transverse cutting lengths, the resistance is greatly reduced, the sample is easier to cut off, the knives are not easy to deform due to the existence of the vertical knives, and the service life of the knives is prolonged; the processing is convenient and fast.

Description

Thickness machining tool for heat conductivity coefficient experiment sample

Technical Field

The utility model relates to a heat conductivity coefficient test processing field especially relates to a heat conductivity coefficient experimental sample thickness machining tool.

Background

At present, the thickness of a heat conductivity coefficient sample is processed, and most of the heat conductivity coefficient samples are operated by large-scale cutting equipment, handsaws and the like. Large-scale cutting equipment is with high costs, dangerous high, needs the special messenger to operate, and the cutter stroke is long, through the investigation, all can appear cutter position deviation long-time the use, causes the uneven condition of cutting thickness. And the products such as rock wool board are used for wall insulation material mostly, need detect coefficient of heat conductivity, and the rock wool board is soft material, and large-scale cutting equipment often needs machinery to press from both sides the dress for safety consideration, leads to density to change, and coefficient of heat conductivity sample is little, and large-scale equipment processing is inconvenient. Therefore, the products such as rock wool boards are processed by hands at present. Manual processing relies on the operator to use the sawtooth sword of a handle more than 300mm to cut, and the sword is long overlength, and the easy recessed deformation of cutter central point puts, leads to the sample center of processing out to be less than the edge, and the sample plane degree is not enough, and the testing result deviation is big, and the manual processing sample surface is crude, and easy unevenness needs follow-up abrasive paper to polish and handles. Most of heat conductivity coefficient measuring instruments on the market are double-plate measuring instruments, the thickness deviation of a heat conductivity coefficient sample 1 and a heat conductivity coefficient sample 2 is required to be less than 2% according to GB/T10294-2008 standards, manual polishing is not easy to control, and the flatness cannot reach an ideal state. Therefore, a thickness processing tool for the thermal conductivity test sample is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a coefficient of heat conductivity experimental sample thickness machining tool, simple structure, the operation is convenient, and is reliable and stable, and processing thickness is controllable, to sample thickness, roughness in the satisfied standard requirement.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a thermal conductivity test sample thickness tooling comprising:

the height-adjustable mould main body is arranged on a cutter at the top of the mould main body, a pull rod connected with the cutter and a protection plate arranged above the cutter, a slide rail is arranged on the mould main body, the cutter is movably connected with the slide rail and can slide along the length direction of the slide rail, and the protection plate is directly or indirectly connected with the cutter so that the protection plate can move synchronously along with the cutter.

Preferably, the mould main part is including the fixed module that is located the below and the regulation module that is located the top, be equipped with the regulating block on the regulation module, the position that corresponds the regulating block on the fixed module is equipped with the adjustment tank, under the operating condition, in the regulating block embedding adjustment tank, the fixed orifices has been seted up to corresponding on regulating block and the adjustment tank to make collocation bolt or screw will the regulating block is fixed in the adjustment tank.

Preferably, the cutter consists of a flat cutter and a plurality of vertical cutters, and the vertical cutters are arranged on the flat cutter, so that the knife edges of the flat cutter and the vertical cutters form an inverted T-shaped structure.

Preferably, a cutter supporting part is formed between the top of the adjusting module and the slide rail, so that a flat cutter edge of the cutter and the top of the adjusting module are kept in a flat state.

Preferably, a sliding groove is formed in the sliding rail, a sliding block is connected to the cutter, and the sliding block is matched with the sliding groove and can slide along the length direction of the sliding groove.

Preferably, the two sides of the cutter are provided with pull rod mounting parts, and the pull rod mounting parts are rotatably connected with the pull rod.

Preferably, the pull rod mounting part adopts a rod body structure, one end of the pull rod mounting part is connected with the cutter, and the other end of the pull rod mounting part is embedded into the sliding groove.

Preferably, be equipped with the bracing piece between fixed module and the slide rail, the bottom of slide rail is equipped with the sawtooth groove, the bottom and the fixed module rotatable coupling of bracing piece, top and sawtooth groove activity block.

Preferably, the vertical knife is detachably connected with the flat knife.

The above technical scheme of the utility model following profitable technological effect has:

the device can be operated by a single person without other external equipment by experimental operators, and the height of the device can be adjusted, so that the processing of two sides and different thicknesses can be realized; the processing flatness is high, plane processing is carried out by a flat cutter, and polishing treatment is not needed in one-time processing; the flat knife and the vertical knives form a plurality of inverted T-shaped knife edges, and the vertical knives longitudinally divide the sample, so that the cutting length is divided into a plurality of small transverse cutting lengths when the flat knife is used for plane processing, the resistance is greatly reduced, the sample is easier to cut off, the knives are not easy to deform due to the existence of the vertical knives, and the service life of the knives is prolonged; the processing is convenient and fast.

Drawings

Fig. 1 is a schematic view of an overall three-dimensional structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a structure of a viewing angle according to an embodiment of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a schematic view of another perspective structure according to an embodiment of the present invention;

fig. 5 is a schematic view of a structure of a pull rod and a cutter matching structure according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating the formation of a tool supporting portion according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations on the embodiments of the invention. It should be further noted that, for convenience of description, only the portions related to the embodiments of the present invention are shown in the drawings.

In addition, the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The embodiments of the present invention will be described in detail below with reference to the accompanying drawings in conjunction with the embodiments.

It should be noted that, the step numbers in the text are only for convenience of explanation of the specific embodiments, and do not serve to limit the execution order of the steps.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate 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 the description of the embodiments of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. Meanwhile, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1 to 5, a thermal conductivity test sample thickness processing tool includes:

mould main part 1 with adjustable height sets up in cutter 2 at 1 top of mould main part, the pull rod 5 of being connected with cutter 2 to and locate the guard plate 4 of cutter 2 top, be equipped with slide rail 3 on the mould main part 1, cutter 2 and 3 swing joint of slide rail and can slide along the length direction of slide rail 3, guard plate 4 is direct or indirect to be connected with cutter 2 to make guard plate 4 along with the removal and the synchronous motion of cutter 2.

The protection plate 4 and the cutter 2 are fixed through screws. The protection plate 4 helps to ensure the safety of the experimenter. Preferably, the protection plate 4 can be optionally arranged in parallel with the tangential direction of the knife edge.

In a specific embodiment, the mold main body 1 includes a fixing module 12 located below and an adjusting module 11 located above, the adjusting module 11 is provided with an adjusting block 111, a position of the fixing module 12 corresponding to the adjusting block 111 is provided with an adjusting groove 121, in an operating state, the adjusting block 111 is embedded into the adjusting groove 121, and fixing holes are correspondingly formed in the adjusting block 111 and the adjusting groove 121, so that the adjusting block 111 is fixed in the adjusting groove 121 by matching bolts or screws.

It should be noted that, the adjustment groove 121 can be directly formed in the fixed module 12, and it includes two kinds of modes, firstly directly fluting on the frame plate of fixed module 12, secondly connect two bar plates on the frame class as shown in fig. 1, two bar plates surround with the frame plate of fixed module 12 and form adjustment groove 121, and preferably, set up on two bar plates and can carry out the spacing bayonet socket of vertical direction to adjustment block 111, consequently, the interface of adjustment groove 121 is the T shape in this embodiment.

It can be seen that the fixing holes are arranged in such a way that the adjusting block 111 is provided with holes a (the holes a may be arranged in multiple groups at equal intervals, and only one hole is arranged in fig. 1 by way of example), and the adjusting groove 121 (i.e. the frame plate of the fixing module 12) is provided with a plurality of holes B or a strip-shaped long hole at equal intervals (as shown in fig. 1). The adjusting block 111 is fixed to the adjusting groove 121 by the above structure and the bolts or screws, and the distance between the fixing module 12 and the adjusting module 11 is adjusted by loosening/tightening the bolts or screws.

In this embodiment, in order to better know the distance between the fixed module 12 and the adjusting module 11, a scale structure capable of indicating a size scale is provided on the adjusting block 111, and the scale structure may be formed by attaching a label with a size scale to the adjusting block 111, or by directly displaying the size scale on the adjusting block 111 by means of engraving or printing. So as to conveniently control the processing thickness of the sample. Of course, it is conceivable that the measurement may also be performed directly by an external scale (the measurement is not described again).

Referring to fig. 2, in the present embodiment, the cutting tool 2 is composed of a flat knife 21 and a plurality of vertical knives 22, and the vertical knives 22 are disposed on the flat knife 21, so that the knife edges of the flat knife 21 and the vertical knives 22 form an inverted T-shaped structure.

It should be noted that, referring to fig. 5, the edge of the vertical knife 22 protrudes out of the edge of the flat knife 21, and the design of multiple edges ensures that the flat knife is not easy to deform during use, and each edge is subjected to small resistance, so that the processing is more convenient, and the processed surface has high flatness.

In one embodiment, the vertical knife 22 is detachably connected to the flat knife 21, for example, detachably connected to the flat knife by a bolt, and the distance between the vertical knives 22 can be adjusted according to the width and hardness of the actual sample.

Further, a cutter supporting portion 113 (an L-shaped portion formed between a side edge of the slide rail and an upper surface of the top of the adjusting module 11, refer to fig. 6) is formed between the top of the adjusting module 11 and the slide rail 3, so that the edge of the flat cutter 21 in the cutter 2 and the top of the adjusting module 11 are kept in a flat state.

Referring to fig. 3 and 5, a sliding groove 31 is arranged on the sliding rail 3, a sliding block 32 is connected to the cutter 2, and the sliding block 32 is adapted to the sliding groove 31 and can slide along the length direction of the sliding groove 31.

It should be noted that the slide block 32 is connected to the cutter 2 through a connecting rod 33 to drive the cutter 2 to move along the length direction of the slide slot 31. In one embodiment, the slider 32 may be a pulley structure.

In an alternative embodiment, the tool 2 is provided with a tie bar mounting 7 on both sides, the tie bar mounting 7 being rotatably connected to the tie bar 5. The pull rod mounting piece 7 is of a rod body structure, one end of the pull rod mounting piece 7 is connected with the cutter 2, and the other end of the pull rod mounting piece is embedded into the sliding groove 31. Pulling the pull rod 5 controls the movement of the cutter 2. It is conceivable that the pull rod 5 is provided with a mounting structure for connection to an external power tool.

It should be noted that the design of the tie bar mounting 7 is to facilitate the handling of the tie bar 5, and its end is embedded in the slide groove 31 in order to make the tool 2 more stable during the pulling of the tie bar 5.

In a preferred embodiment, as shown in fig. 4, a support rod 6 is disposed between the fixed module 12 and the slide rail 3, a sawtooth groove 34 is disposed at the bottom of the slide rail 3, the bottom of the support rod 6 is rotatably connected to the fixed module 12, and the top end of the support rod is movably engaged with the sawtooth groove 34.

The purpose of the support rod 6 is, firstly, to facilitate height adjustment between the fixing module 12 and the adjusting module 11, and secondly, to increase the overall strength of the mold body 1.

During adjustment, the support rod 6 is rotated to select a proper sawtooth position on the sawtooth groove 34, the top end of the support rod 6 is clamped with the sawtooth groove 34, the bottom of the support rod 6 and the rotating structure of the fixed module 12 can be gradually and manually fastened in the process, the rotating structure can be formed by adopting a bolt, a nut and a base with an earring hole and a connecting lug which is matched with the base structure and arranged at the end part of the support rod 6, and the rotation or the fixation of the support rod 6 is controlled by the loosening/tightening of the bolt and the nut. And then the fixing of the die main body 1 is carried out by utilizing the fixing holes correspondingly formed on the adjusting block and the adjusting groove.

By way of example only, for a better understanding of the present invention, the following is further explained:

when receiving a test sample and needing to process a thermal conductivity sample, an experimental tester firstly manufactures the sample into a size of 300mm to 300mm according to the length and the width of the mold (which is only an example here), and inserts the sample into the frame of the mold main body 1. The height is adjusted according to the thickness of the sample (the specific adjustment method is clearly described above, and is not described herein), the special processing tool 2 is located on one side, after the height is adjusted, the operator holds the pull rod 5 (in the above embodiment, it is described that an external power instrument can be used for replacement), the pulley (a specific example of the slider) slides stably in the chute, and the plane is cut by one-time pulling.

For example: the rock wool board sample with the thickness of 50mm has patterns on two surfaces and needs to be processed to the thickness of 30 mm. The sample is placed in a die body 1, the die body is adjusted to be 40mm high, a cutter is positioned on one side of the die, the sample is 10mm higher than the die, and an operator tightly holds a pull rod and pulls the pull rod in a direction perpendicular to a blade. And then embedding the back surface of the processed sample into the die main body 1, adjusting the die main body to be 30mm high, positioning the cutter at one side of the die, positioning the sample 10mm higher than the die, and pulling the sample to the direction vertical to the blade by an operator gripping the pull rod. Thus, the thickness of the sample is processed, and the flatness of two surfaces can meet the standard requirement. After the actual operation, the sample 1 and the sample 2 were operated in the same way, and the thickness deviation of less than 2% was satisfied.

It should be understood by those skilled in the art that the foregoing embodiments are merely for illustrating the embodiments of the present invention clearly and are not intended to limit the scope of the embodiments of the present invention. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are still within the scope of the embodiments of the invention.

Claims (9)

1. A thermal conductivity experimental sample thickness machining tool, comprising:

mould main part (1) with adjustable height sets up in cutter (2) at mould main part (1) top, pull rod (5) be connected with cutter (2) to and locate guard plate (4) of cutter (2) top, be equipped with slide rail (3) on mould main part (1), cutter (2) and slide rail (3) swing joint just can slide along the length direction of slide rail (3), guard plate (4) are direct or indirect to be connected with cutter (2) to make guard plate (4) along with the removal and the synchronous movement of cutter (2).

2. The heat conductivity coefficient experiment sample thickness processing tool according to claim 1, wherein the mold main body (1) comprises a fixing module (12) located below and an adjusting module (11) located above, an adjusting block (111) is arranged on the adjusting module (11), an adjusting groove (121) is arranged on the fixing module (12) corresponding to the adjusting block (111), the adjusting block (111) is embedded into the adjusting groove (121) in a working state, and fixing holes are correspondingly formed in the adjusting block (111) and the adjusting groove (121), so that the adjusting block (111) is fixed in the adjusting groove (121) by matching bolts or screws.

3. The tool for machining the thickness of the thermal conductivity experiment sample according to claim 1, wherein the cutter (2) is composed of a flat cutter (21) and a plurality of vertical cutters (22), and the vertical cutters (22) are arranged on the flat cutter (21) so that the edges of the flat cutter (21) and the vertical cutters (22) form an inverted T-shaped structure.

4. The tool for machining the thickness of the thermal conductivity experiment sample according to claim 2, wherein a cutter supporting portion (113) is formed between the top of the adjusting module (11) and the sliding rail (3) so that the edge of the flat cutter (21) in the cutter (2) and the top of the adjusting module (11) are kept flat.

5. The tool for machining the thickness of the thermal conductivity experiment sample according to claim 1, wherein a sliding groove (31) is formed in the sliding rail (3), a sliding block (32) is connected to the cutter (2), and the sliding block (32) is matched with the sliding groove (31) and can slide along the length direction of the sliding groove (31).

6. The tool for machining the thickness of the thermal conductivity experiment sample according to claim 5, wherein the tool (2) is provided with pull rod mounting parts (7) on two sides, and the pull rod mounting parts (7) are rotatably connected with the pull rod (5).

7. The thickness processing tool for the thermal conductivity experiment sample according to claim 6, wherein the pull rod mounting member (7) is of a rod body structure, one end of the pull rod mounting member (7) is connected with the cutter (2), and the other end is embedded in the sliding groove (31).

8. The heat conductivity coefficient experiment sample thickness processing tool according to claim 2, wherein a support rod (6) is arranged between the fixed module (12) and the slide rail (3), a sawtooth groove (34) is arranged at the bottom of the slide rail (3), the bottom of the support rod (6) is rotatably connected with the fixed module (12), and the top end of the support rod is movably clamped with the sawtooth groove (34).

9. The tool for machining the thickness of the thermal conductivity experiment sample according to claim 3, wherein the vertical knife (22) is detachably connected with the flat knife (21).

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