Cutter head cooling mechanism of cutting machine

Abstract

The utility model discloses a cutter head cooling mechanism of a cutting machine, which achieves a cooling effect by inputting cold air into a cutter head, can be used all the time and has a good cooling effect. A cutter head cooling mechanism of a cutting machine comprises a machine head frame. A cutter head assembly is mounted on the machine head frame and comprises an outer cutter head, the middle of the upper surface of the outer cutter head is sunken to form a first mounting pit, and a first through hole is formed in the middle of the bottom surface of the first mounting hole; a first air hole is formed in the side wall of the first mounting hole; an inner cutterhead is arranged in the first pit and is mounted in the first mounting hole, and a gap is formed between the inner cutterhead and the outer cutterhead; a first flow guide hole penetrating through the upper surface and the lower surface is formed in the inner cutter head and is communicated with the first mounting hole; a vortex tube is installed on one side of the headstock, the hot end of the vortex tube is fixed to the headstock, and an air outlet in the cold end of the vortex tube is communicated with the first air hole through an air pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of cutting equipment, in particular to a cutting machine blade cooling mechanism. Background Art

[0002] The cloth cutting machine has a blade installed on the knife disc. The blade moves up and down quickly to achieve the cutting effect and can cut the cloth into the desired shape.

[0003] The friction between the blade and the cloth will generate heat. If it works for a long time, the heat will accumulate and affect the cutting effect of the blade. The cloth will also be burned. Generally, cooling oil is dripped into the knife disc. The cooling oil evaporates when it comes into contact with the blade to achieve the purpose of cooling. However, the cooling oil will contaminate the cloth and cannot be used in large quantities for a long time, so the cooling effect is not very satisfactory. Summary of the invention

[0004] In view of the shortcomings of the above background technology, the purpose of the utility model is to provide a cutting machine blade cooling mechanism, which achieves a cooling effect by inputting cold air into the blade, can be used all the time, and has a good cooling effect.

[0005] In order to solve the above technical problems, the purpose of the utility model is achieved as follows:

[0006] A cutting machine blade cooling mechanism comprises a head frame;

[0007] A cutter head assembly is installed on the head frame, and the cutter head assembly includes an outer cutter head, a first mounting pit is formed by a depression in the middle of the upper surface of the outer cutter head, a first through hole is opened in the middle of the bottom surface of the first mounting hole, and a first air hole is opened on the side wall of the first mounting hole;

[0008] An inner cutter disc is arranged in the first pit, and the inner cutter disc is installed in the first mounting hole, and there is a gap between the inner cutter disc and the outer cutter disc; a first guide hole penetrating the upper and lower surfaces is opened on the inner cutter disc, and the first guide hole is communicated with the first mounting hole;

[0009] A vortex tube is installed on one side of the head frame, the hot end of the vortex tube is fixed on the head frame, and the air outlet of the cold end of the vortex tube is connected with the first air hole through the air pipe.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: the head frame includes a first side plate, a first fixed seat is installed on the first side plate, the first fixed seat is connected to a first clamping block, one side surface of the first clamping plate is recessed to form a first groove that passes through the surface; the hot end of the vortex tube is clamped between the first groove and the first fixed seat and fixed by bolts.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: the first fixing seat is bent into an L shape, and a second groove is formed on one side wall of the first fixing seat through the surface, and the second groove and the first groove are assembled to clamp the vortex tube; the bolt passes through the other side wall of the first fixing seat and is connected and fixed to the first side plate.

[0012] On the basis of the above scheme and as a preferred scheme of the above scheme: 1. A first annular step is provided on the top of the inner wall of the first mounting hole of the outer cutter disc; a second annular step is provided on the top of the outer surface of the inner cutter disc; it also includes a rolling bearing, the outer ring of the rolling bearing is embedded in the first step and fixed, and the inner ring of the rolling bearing is embedded in the second step and fixed; it also includes a guide rod, the bottom of the guide rod is threadedly connected and fixed to the inner side of the edge of the outer cutter disc; the head frame includes a second fixed seat, and the top of the guide rod is inserted into the second fixed seat and connected and fixed.

[0013] On the basis of the above scheme and as a preferred scheme of the above scheme: the middle of the upper surface of the inner cutter disc is recessed to form a second installation pit, the first guide hole is located in the second installation pit, the middle of the bottom surface of the second installation hole is recessed to form a T-shaped slot, and a straight through hole is provided in the middle of the T-shaped slot; it also includes a cutter seat block, the cutter seat block is fixed in the second installation pit, the cutter seat block is provided with a T-hole passing through the upper and lower surfaces, a cutter block is fixed on the cutter seat block, and the cutter block is provided with a cutter groove; it also includes a guide column, the bottom of the guide column is threadedly connected and fixed to the inner cutter disc, and the top of the guide column is inserted into the second fixing seat to be connected and fixed.

[0014] On the basis of the above scheme and as a preferred scheme of the above scheme: it also includes an outer pressure plate of the bearing and an inner pressure plate of the bearing; the bolts pass through the outer pressure plate of the bearing to be connected and fixed with the outer cutter disc, and the inner edge of the outer pressure plate of the bearing abuts against the outer ring side wall of the rolling bearing; the screws pass through the inner pressure plate of the bearing to be connected and fixed with the inner cutter disc, and the outer edge of the inner pressure plate of the bearing abuts against the outer ring side wall of the rolling bearing.

[0015] On the basis of the above scheme and as a preferred scheme of the above scheme: four first flow guide holes are arranged in the second mounting hole, and the four first flow guide holes are distributed around the T-shaped groove and the connecting line forms a rectangle.

[0016] On the basis of the above scheme and as a preferred scheme of the above scheme: a second flow guide hole is opened on the outer surface of the inner cutter disc, and the extension direction of the second flow guide hole passes through the T-shaped groove.

[0017] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0018] Compared with the prior art, the cutting machine blade disc cooling mechanism of the utility model comprises an outer blade disc, an inner blade disc is installed inside the outer blade disc, a first air hole is opened on the outer blade disc, a first guide hole is opened on the inner blade disc, and the first guide hole is communicated with the first air hole; it also comprises a vortex tube, the vortex tube is connected with an air pipe, and the air pipe is communicated with the first air hole. Compressed air passes through the vortex tube to generate cold air, which is gathered in the first installation pit through the first air hole and flows into the inner blade disc through the first guide hole, so as to cool the cold zone of the blade disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0021] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0022] Figure 4 It is a schematic diagram of the exploded structure of the cutter head assembly of the utility model.

[0023] Figure 5 It is a schematic diagram of the structure of the outer cutter disc of the utility model.

[0024] Figure 6 It is a schematic diagram of the inner cutter disc structure of the utility model.

[0025] Figure 7 It is a schematic diagram of the inner cutter disc structure of the utility model.

[0026] Figure 8 This is a schematic diagram of the first clamping block structure of the utility model.

[0027] Fig. 9 It is a schematic diagram of the structure of the first fixing seat of the utility model.

[0028] Figure numerals: head frame 01; first side plate 010; first fixing seat 011; second groove 0110; first clamping block 012; first groove 0120; second fixing seat 013; cutter disc assembly 02; outer cutter disc 020; first mounting pit 0200; first through hole 0201; first air hole 0202; first step 0203; guide rod 0204; inner cutter disc 021; first guide hole 0210; second step 0211; second mounting pit 0212; T-shaped groove 0213; straight through hole 0214; second guide hole 0215; vortex tube 03; air pipe 04; rolling bearing 05; cutter seat block 06; T-hole 060; cutter block 07; cutter groove 070; guide column 08; outer bearing pressure plate 09; inner bearing pressure plate 10; DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to specific embodiments of the invention;

[0030] This embodiment provides a cutting machine blade cooling mechanism, including a head frame 01; the head frame 01 is used as a mechanical frame of the equipment, and is connected between plates, blocks or pipes;

[0031] A cutter disc assembly 02 is installed on the head frame 01, and the cutter disc assembly 02 includes an outer cutter disc 020, a first mounting pit 0200 is formed by a depression in the middle of the upper surface of the outer cutter disc 020, a first through hole 0201 is provided in the middle of the bottom surface of the first mounting hole; a first air hole 0202 is provided on the side wall of the first mounting hole; the outer surface of the outer cutter disc 020 is hemispherical, the outer cutter disc 020 is in contact with the cloth, and the first through hole 0201 is used for the blade to pass through and cut the cloth.

[0032] An inner cutter disc 021 is arranged in the first concave pit, and the inner cutter disc 021 is installed in the first mounting hole, and there is a gap between the inner cutter disc 021 and the outer cutter disc 020; a first guide hole 0210 penetrating the upper and lower surfaces is opened on the inner cutter disc 021, and the first guide hole 0210 is communicated with the first mounting hole; the first guide hole 0210 is used for gas circulation, so that cold air is blown into the outer cutter disc 020;

[0033] A vortex tube 03 is installed on one side of the head frame 01. The vortex tube 03 is a prior art product and is not an improvement of the present utility model. Compressed gas is input into the air inlet of the vortex tube 03. The hot end of the vortex tube 03 is fixed on the head frame 01. The cold end air outlet of the vortex tube 03 is connected to the first air hole 0202 through the air pipe 04. The cold end air outlet of the vortex tube 03 blows out cold air and passes into the outer cutter disc 020.

[0034] As described above, in the specific working process, the inner blade disc 021 is installed inside the outer blade disc 020, and there is a gap between the inner blade disc 021 and the outer blade disc 020 for gas circulation. The blades pass through the inner and outer blade discs 020 to cut the cloth. At the same time, the compressed gas passes through the vortex tube 03 and the air pipe 04 and flows into the outer blade disc 020. The cold air gathers in the first installation pit 0200 of the outer blade disc 020, flows through the first guide hole 0210, and flows into the inner blade disc 021. The cold air contacts the blade and takes away the heat, thereby reducing the temperature and achieving the cooling effect. The cold air can be continuously introduced.

[0035] Further, the headstock 01 includes a first side plate 010, which is a metal plate extending out; a first fixing seat 011 is mounted on the first side plate 010, the first fixing seat 011 is block-shaped, and a bolt passes through the first fixing seat 011 and is fixed to the first side plate 010; the first fixing seat 011 is connected to a first clamping block 012, and the first clamping plate is also block-shaped;

[0036] The surface of one side of the first clamping plate is concave to form a first groove 0120 that penetrates the surface; the hot end of the vortex tube 03 is clamped between the first groove 0120 and the first fixing seat 011 and fixed by bolts. The first groove 0120 matches the cold end surface of the vortex tube to achieve the purpose of fitting.

[0037] As described above, the vortex tube 03 is fixed on the head frame 01, located on one side above the cutter disc, which is convenient for synchronous follow-up use and more practical. The bolt passes through the first fixing seat 011 and the first clamping block 012, and can be disassembled.

[0038] Furthermore, the first fixing seat 011 is bent into an L shape, and a side wall of the first fixing seat 011 is recessed to form a second groove 0110 that penetrates the surface, and the second groove 0110 and the first groove 0120 are assembled to clamp the vortex tube 03; the bolt passes through the other side wall of the first fixing seat 011 and is connected and fixed to the first side plate 010.

[0039] As described above, the vortex tube 03 is clamped by the first groove 0120 and the second groove 0110 to prevent the vortex tube 03 from falling, making it safer to use.

[0040] Furthermore, a first annular step 0203 is provided at the top of the inner wall of the first mounting hole of the outer cutter disc 020; a second annular step 0211 is provided at the top of the outer surface of the inner cutter disc 021;

[0041] It also includes a rolling bearing 05, the outer ring of the rolling bearing 05 is embedded in the first step 0203 and fixed, and the inner ring of the rolling bearing 05 is embedded in the second step 0211 and fixed; the inner knife disc 021 is rotated by the rolling bearing 05 to achieve the purpose of cutting cloth in different directions.

[0042] It also includes a guide rod 0204, the bottom of which is threadedly connected and fixed to the inner side of the edge of the outer cutter disc 020;

[0043] The headstock 01 includes a second fixing seat 013, and the top of the guide rod 0204 is inserted into the second fixing seat 013 for connection and fixation.

[0044] As described above, the outer cutter disc 020 is connected to the second fixing seat 013 via the guide rod 0204, so as to achieve fixed installation of the outer cutter disc 020. The bottom of the guide rod 0204 is provided with an external thread, which can be screwed into the internal thread on the outer cutter disc 020 to achieve threaded connection.

[0045] Furthermore, the middle of the upper surface of the inner blade disc 021 is recessed to form a second mounting pit 0212, the first guide hole 0210 is located in the second mounting pit 0212, the middle of the bottom surface of the second mounting hole is recessed to form a T-shaped slot 0213, and a straight through hole 0214 is provided in the middle of the T-shaped slot 0213; the second mounting pit 0212 can gather cold air, and the straight through hole 0214 is used for the blade to pass through;

[0046] It also includes a knife seat block 06, which is fixed in the second installation pit 0212, and a T-shaped hole 060 is provided on the knife seat block 06, which passes through the upper and lower surfaces, and a knife block 07 is fixed on the knife seat block 06, and a knife groove 070 is provided on the knife block 07; a bolt passes through the knife seat block 06 to connect and fix with the inner knife disc 021, and a bolt passes through the knife block 07 to connect and fix with the knife seat block 06; the knife groove 070 is used for the back insertion limit of the blade to prevent the blade from shaking;

[0047] It also includes a guide column 08, the bottom of the guide column 08 is threadedly connected and fixed to the inner cutter disc 021, and the top of the guide column 08 is inserted into the second fixing seat 013 for connection and fixation. The bottom of the guide column 08 is provided with an external thread, and the inner cutter disc 021 is provided with an internal thread, and the two are threadedly connected to form a fixation;

[0048] Furthermore, it also includes an outer pressure plate 09 of the bearing and an inner pressure plate 10 of the bearing; the bolts pass through the outer pressure plate 09 of the bearing to be connected and fixed with the outer cutter disc 020, and the inner edge of the outer pressure plate 09 of the bearing abuts against the outer ring side wall of the rolling bearing 05; the screws pass through the inner pressure plate 10 of the bearing to be connected and fixed with the inner cutter disc 021, and the outer edge of the inner pressure plate 10 of the bearing abuts against the outer ring side wall of the rolling bearing 05.

[0049] As mentioned above, in order to prevent the rolling bearing 05 from being separated from the inner and outer cutter discs 020 during the rotation process, an outer bearing pressure plate 09 and an inner bearing pressure plate 10 are added to the inner and outer rings respectively, and the rolling bearing is pressed against the first step 0203 and the second step 0211, which is safer and more practical. The inner cutter disc 021 rotates more stably.

[0050] Furthermore, four first guide holes 0210 are arranged in the second mounting hole, and the four first guide holes 0210 are distributed around the T-shaped slot 0213 and the connecting line forms a rectangle.

[0051] As described above, increasing the number of the first air guide holes 0210 increases the amount of cold air flowing in, thereby accelerating heat dissipation.

[0052] Furthermore, a second guide hole 0215 is formed on the outer surface of the inner cutter disc 021 , and the second guide hole 0215 extends in an extended direction through the T-shaped slot 0213 .

[0053] As described above, the second air guide holes 0215 increase the amount of cold air flowing in.

[0054] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present utility model.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the present utility model, unless otherwise clearly specified and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection;

[0056] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutting machine blade cooling mechanism, characterized in that: Including headstock; A cutter head assembly is installed on the head frame, and the cutter head assembly includes an outer cutter head, a first mounting pit is formed by a depression in the middle of the upper surface of the outer cutter head, a first through hole is opened in the middle of the bottom surface of the first mounting hole, and a first air hole is opened on the side wall of the first mounting hole; An inner cutter disc is arranged in the first pit, and the inner cutter disc is installed in the first mounting hole, and there is a gap between the inner cutter disc and the outer cutter disc; a first guide hole penetrating the upper and lower surfaces is opened on the inner cutter disc, and the first guide hole is communicated with the first mounting hole; A vortex tube is installed on one side of the head frame, the hot end of the vortex tube is fixed on the head frame, and the air outlet of the cold end of the vortex tube is connected with the first air hole through the air pipe.

2. The cutting machine blade cooling mechanism according to claim 1, characterized in that: The head frame includes a first side plate, a first fixing seat is installed on the first side plate, the first fixing seat is connected to a first clamping block, and one side surface of the first clamping plate is recessed to form a first groove that passes through the surface; the hot end of the vortex tube is clamped between the first groove and the first fixing seat and fixed by bolts.

3. The cutting machine blade cooling mechanism according to claim 2, characterized in that: The first fixing seat is bent into an L shape, and a second groove penetrating the surface is formed on one side wall of the first fixing seat, and the second groove and the first groove are joined to clamp the vortex tube; the bolt passes through the other side wall of the first fixing seat and is connected and fixed to the first side plate.

4. The cutting machine blade cooling mechanism according to claim 1, characterized in that: A first annular step is provided at the top of the inner wall of the first mounting hole of the outer cutter disc; a second annular step is provided at the top of the outer surface of the inner cutter disc; It also includes a rolling bearing, wherein the outer ring of the rolling bearing is embedded in the first step and fixed, and the inner ring of the rolling bearing is embedded in the second step and fixed; It also includes a guide rod, the bottom of which is threadedly connected and fixed to the inner side of the edge of the outer cutter disc; The head frame comprises a second fixing seat, and the top of the guide rod is inserted into the second fixing seat for connection and fixing.

5. The cutting machine blade cooling mechanism according to claim 4, characterized in that: The middle of the upper surface of the inner cutter disc is recessed to form a second installation pit, the first guide hole is located in the second installation pit, the middle of the bottom surface of the second installation hole is recessed to form a T-shaped slot, and a straight through hole is provided in the middle of the T-shaped slot; It also includes a knife seat block, which is fixed in the second installation pit, the knife seat block is provided with a T-shaped hole penetrating the upper and lower surfaces, a knife block is fixed on the knife seat block, and the knife block is provided with a knife groove; It also includes a guide column, the bottom of which is threadedly connected and fixed to the inner cutter disc, and the top of the guide column is inserted into a second fixing seat and connected and fixed.

6. The cutting machine blade cooling mechanism according to claim 5, characterized in that: It also includes an outer pressure plate of the bearing and an inner pressure plate of the bearing; the bolts pass through the outer pressure plate of the bearing to be connected and fixed with the outer cutter disc, and the inner edge of the outer pressure plate of the bearing abuts against the outer ring side wall of the rolling bearing; the screws pass through the inner pressure plate of the bearing to be connected and fixed with the inner cutter disc, and the outer edge of the inner pressure plate of the bearing abuts against the outer ring side wall of the rolling bearing.

7. The cutting machine blade cooling mechanism according to claim 5, characterized in that: Four first flow guide holes are arranged in the second mounting hole, and the four first flow guide holes are distributed around the T-shaped groove and the connecting line thereof is in a rectangular shape.

8. The cutting machine blade cooling mechanism according to claim 7, characterized in that: A second guide hole is provided on the outer surface of the inner cutter disc, and the second guide hole extends in a direction extending through the T-shaped groove.

Images