A linear motor with a heat dissipation structure

Abstract

The present invention discloses a linear motor with a heat dissipation structure, specifically relating to the field of linear motors. The linear motor includes a slide rail, a stator is fixedly mounted on the bottom of the slide rail, a mover assembly is slidably mounted on the slide rail, the mover assembly includes a slide seat, the slide seat is slidably arranged on the slide rail, an iron core is fixedly mounted on the bottom of the mover assembly, and a plurality of coils are arranged at the bottom of the iron core; a plurality of cooling holes are opened on the iron core, and cooling pipes are arranged in the plurality of cooling holes. The cooling pipes include a plurality of straight pipes, and the plurality of straight pipes are inserted into the interior of the cooling holes. The present invention arranges the cooling holes into a long groove-shaped structure, so that after the straight pipes are inserted into the interior of the cooling holes, gaps two and three can be formed, so that heat dissipation silicone grease can be filled after the straight pipes are inserted. When the straight pipes are pressed down to fit the cooling holes, the heat dissipation silicone grease can fill the gap between the straight pipes and the cooling holes without the occurrence of insufficient filling.

Description

Technical Field

[0001] The present invention relates to the technical field of linear motors, and more particularly to a linear motor with a heat dissipation structure. Background Art

[0002] Linear motors convert electrical energy directly into linear motion without the need for an intermediate transmission link, resulting in high precision, high speed, and high acceleration. They primarily consist of a stator and a mover. The combined effects of an induced current and a magnetic field generate a longitudinal electromagnetic thrust. While the stator remains stationary, the mover moves linearly along the direction of the traveling magnetic field.

[0003] The mover primarily consists of an iron core and a coil. When current flows through the coil, it generates some heat, inducing eddy currents in the iron core, which in turn causes heating. Current methods for dissipating heat involve providing multiple through-holes in the iron core and routing cooling pipes within them.

[0004] However, the iron core is made of laminated silicon steel sheets, but the inner walls of the through holes formed on the silicon steel sheets are not flat, but uneven. Therefore, the arranged cooling pipes cannot completely fit with the iron core, and there are large gaps, which makes it difficult to transfer heat quickly, resulting in poor heat dissipation effect. Summary of the Invention

[0005] The present invention provides a linear motor with a heat dissipation structure, which aims to solve the problem that the cooling tube cannot completely fit the iron core and there are a large number of gaps, which makes it impossible to quickly transfer heat and results in poor heat dissipation effect.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a linear motor with a heat dissipation structure, comprising a slide rail, a stator fixedly mounted on the bottom of the slide rail, a mover assembly slidably mounted on the slide rail, the mover assembly comprising a slide seat, the slide seat slidably arranged on the slide rail, an iron core fixedly mounted on the bottom of the mover assembly, and a plurality of coils arranged at the bottom of the iron core; a plurality of cooling holes are opened on the iron core, cooling pipes are arranged in the plurality of cooling holes, the cooling pipes comprise a plurality of straight pipes, and the plurality of straight pipes are inserted into the interior of the cooling holes; the inner surface of the bottom of the cooling hole is adapted to the shape of the outer surface of the bottom of the straight pipe and can fit together, and when the cooling hole and the straight pipe fit together, there is a gap one between the upper surface inside the cooling hole and the outer surface of the upper part of the straight pipe, and the inner surface of the bottom of the cooling hole and the outer surface of the bottom of the straight pipe and the interior of the gap one are filled with heat dissipation silicone grease.

[0007] In a preferred embodiment, the cooling through-hole is a long slot-shaped structure. When the straight tube is inserted into the middle of the cooling through-hole, the left and right sides of the straight tube are in contact with the side walls of the cooling through-hole, and gaps two and three are formed between the upper and lower surfaces of the straight tube and the upper and lower surfaces of the cooling through-hole, respectively.

[0008] In a preferred embodiment, a side stop assembly 1 is provided at one end of the straight pipe, and the side stop assembly 1 includes a metal ring 1 and a metal sleeve arranged in the middle of the metal ring 1. The metal ring 1 and the metal sleeve are connected by a soft connecting ring. The metal sleeve is fixedly sleeved at the end of the straight pipe. The metal ring 1 and the metal sleeve are both in contact with the side wall of the iron core, and the metal sleeve blocks one end of the cooling through hole. The upper and lower sides of the metal sleeve are fixedly connected with hoses, and the two hoses are respectively used to communicate with gap 2 and gap 3.

[0009] In a preferred embodiment, a side stop assembly 2 is provided at the other end of the straight pipe. The side stop assembly 2 includes a metal ring 2 and a soft connecting sleeve arranged in the middle of the metal ring 2. The metal ring 2 and the soft connecting sleeve are fixedly connected. The soft connecting sleeve is fixedly provided at the end of the straight pipe, and the soft connecting sleeve is pressed on the end of the cooling hole.

[0010] In a preferred embodiment, one end of the slide is fixedly connected to a positioning plate 1, and the lower side of the positioning plate 1 has several groups of pressure forks 1. Each group of pressure forks 1 presses the metal sleeve on the iron core, thereby limiting the displacement of the metal sleeve in the X-axis direction.

[0011] In a preferred embodiment, the other end of the slide is fixedly connected to a positioning piece 2, and the lower side of the positioning piece 2 is provided with several groups of pressure forks 2, and each group of pressure forks 2 presses the metal ring 2 onto the iron core.

[0012] In a preferred embodiment, positioning column one and positioning column two are fixedly connected to both ends of the slide and at upper and lower positions of the end of the cooling through hole, respectively. A metal ring is sleeved on positioning column one, and metal ring two is sleeved on positioning column two.

[0013] In a preferred embodiment, a lower pressing frame is provided on the slide, and the lower pressing frame includes pressing plate 1 and pressing plate 2 respectively provided at the two ends of the iron core, pressing plate 1 and pressing plate 2 are respectively used to press down the two ends of the straight tube, a sliding rod is connected between pressing plate 1 and pressing plate 2, a sliding groove is provided on the slide, and the sliding rod slides vertically inside the sliding groove, and a fastener is provided on the slide, and the fastener is used to fix the sliding rod on the slide.

[0014] In a preferred embodiment, the bottoms of several groups of pressure forks are fixedly connected to fixed blocks, and a pressure belt passes through all the fixed blocks. The bottom of the pressure plate 1 has several extension plates, which are used to press the pressure belt downward so that the pressure belt presses the hose upward onto the straight pipe.

[0015] In a preferred embodiment, the cooling pipe further comprises a plurality of bent pipes, which connect the plurality of straight pipes end to end in sequence to form a serpentine structure, wherein the first and last straight pipes are connected to the water inlet pipe and the water outlet pipe respectively.

[0016] Technical effects and advantages of the present invention:

[0017] The present invention arranges the cooling through-hole into a long groove-shaped structure, so that after the straight tube is inserted into the interior of the cooling through-hole, gaps two and three can be formed, so that heat dissipation silicone grease can be filled after the straight tube is inserted. When the straight tube is pressed down to fit the cooling through-hole, the heat dissipation silicone grease can fill the gap between the straight tube and the cooling through-hole without the occurrence of incomplete filling.

[0018] The present invention arranges the positioning piece 1, the positioning piece 2 and the downward pressing frame. On the one hand, the straight pipe can be pressed down by the downward pressing frame. On the other hand, when the straight pipe is pressed down, the flexible connection ring and the flexible connection sleeve can be deformed according to the position of the straight pipe, so as to facilitate the downward movement of the straight pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 The structure of the movable component of the present invention is shown in FIG. Figure 1 .

[0021] Figure 3 The structure of the movable component of the present invention is shown in FIG. Figure 2 .

[0022] Figure 4 The structure diagram of the installation of the lower pressure frame of the present invention Figure 1 .

[0023] Figure 5 The structure diagram of the installation of the lower pressure frame of the present invention Figure 2 .

[0024] Figure 6 This is a schematic structural diagram of the installation of a positioning piece of the present invention.

[0025] Figure 7 This is a structural diagram of the installation of the second positioning piece of the present invention.

[0026] Figure 8 For the present invention Figure 7 Section view of the main view.

[0027] Figure 9 This is a schematic structural diagram of a straight tube inserted into a cooling through hole according to the present invention.

[0028] Figure 10 Schematic diagram of the structure of the straight tube of the present invention before and after pressing down.

[0029] Figure 11 It is a structural schematic diagram of the cooling pipeline of the present invention.

[0030] Figure 12 This is a schematic diagram of the installation of the straight pipe, side stop assembly 1, and side stop assembly 2 of the present invention.

[0031] Figure 13 It is a structural schematic diagram of the pressing belt under the extension piece of the present invention.

[0032] The figures are marked as follows: 1, slide rail; 10, side gap; 11, protective cover; 2, stator; 3, mover assembly; 31, slide seat; 311, slide groove; 32, iron core; 3201, positioning column 1; 3202, positioning column 2; 321, cooling hole; 322, gap 1; 323, gap 2; 324, gap 3; 33, coil; 4, cooling pipe; 41, straight pipe; 411, half pipe 1; 412, half pipe 2; 42, elbow; 43, inlet Water pipe; 44, water outlet pipe; 5, side stop assembly one; 51, metal ring one; 52, metal sleeve; 53, flexible connection ring; 54, hose; 6, side stop assembly two; 61, metal ring two; 62, flexible connection sleeve; 7, positioning piece one; 71, pressure fork one; 8, positioning piece two; 81, pressure fork two; 9, lower pressure frame; 90, fastener; 91, pressure piece one; 911, extension piece; 92, pressure piece two; 93, slide rod; 100, fixing block; 101, pressure belt. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Refer to the instruction manual Figures 1-13 A linear motor with a heat dissipation structure includes a slide rail 1, a stator 2 is fixedly installed at the bottom of the slide rail 1, a protective cover 11 is installed at the upper end of the slide rail 1, a mover assembly 3 is slidably installed on the slide rail 1, the mover assembly 3 includes a slide seat 31, the slide seat 31 is slidably set on the slide rail 1, an iron core 32 is fixedly installed at the bottom of the mover assembly 3, and a plurality of coils 33 are set at the bottom of the iron core 32.

[0035] The core 32 is provided with a plurality of cooling holes 321, each of which houses a cooling pipe 4. The cooling pipe 4 comprises a plurality of straight pipes 41, which are inserted into the cooling holes 321. The cooling pipe 4 also comprises a plurality of curved pipes 42, which connect the straight pipes 41 end-to-end, forming a serpentine structure. The first and last straight pipes 41 are connected to a water inlet pipe 43 and a water outlet pipe 44, respectively. A side gap 10 is defined between the slide rail 1 and the protective cover 11, and the water inlet pipe 43 and the water outlet pipe 44 extend outward from the side gap 10.

[0036] The inner surface of the bottom of the cooling hole 321 is adapted to the shape of the outer surface of the bottom of the straight tube 41 and can fit together. When the cooling hole 321 fits together with the straight tube 41, there is a gap 322 between the upper surface inside the cooling hole 321 and the outer surface of the upper part of the straight tube 41. The inner surface of the bottom of the cooling hole 321 and the outer surface of the bottom of the straight tube 41 and the inside of the gap 322 are filled with heat dissipation silicone grease.

[0037] In the above technical solution, the cooling through hole 321 is a long groove-shaped structure. When the straight tube 41 is inserted into the middle of the cooling through hole 321, the left and right sides of the straight tube 41 fit into the side walls of the cooling through hole 321, and the upper surface and lower surface of the straight tube 41 respectively form a gap 2 323 and a gap 324 with the upper surface and lower surface of the cooling through hole 321.

[0038] In this embodiment, if Figure 6 、 Figure 8 and Figure 12 As shown, a side stop assembly 5 is provided at one end of the straight tube 41. The side stop assembly 5 includes a metal ring 51 and a metal sleeve 52 provided in the middle of the metal ring 51. The metal ring 51 and the metal sleeve 52 are connected by a soft connecting ring 53. The metal sleeve 52 is fixedly sleeved on the end of the straight tube 41. The metal ring 51 and the metal sleeve 52 are both fitted with the side wall of the iron core 32, and the metal sleeve 52 blocks one end of the cooling through hole 321. The upper and lower sides of the metal sleeve 52 are fixedly connected with hoses 54. The two hoses 54 are respectively used to communicate with the gap 2 323 and the gap 324.

[0039] In this embodiment, if Figure 7 、 Figure 8 and Figure 12 As shown, a side block assembly 2 6 is provided at the other end of the straight pipe 41. The side block assembly 2 6 includes a metal ring 2 61 and a soft connection sleeve 62 arranged in the middle of the metal ring 2 61. The metal ring 2 61 and the soft connection sleeve 62 are fixedly connected. The soft connection sleeve 62 is fixedly sleeved on the end of the straight pipe 41, and the soft connection sleeve 62 is pressed on the end of the cooling through hole 321.

[0040] In this embodiment, the cooling through-hole 321 is configured as a long slot-shaped structure, with gaps 323 and 324 formed. This is to allow the straight tube 41 to be inserted into the interior of the cooling through-hole 321 before being filled with heat dissipation silicone grease. If the cooling through-hole 321 is configured with the same cross-sectional shape as the straight tube 41, then when the straight tube 41 is inserted into the cooling through-hole 321, the straight tube 41 will squeeze out the silicone grease, which may cause insufficient silicone grease filling in some areas. The silicone grease will also enter from the end of the straight tube 41, and the straight tube 41 needs to be cleaned after assembly, which is relatively troublesome. This embodiment effectively avoids the above problems by inserting the straight tube 41 first and then filling it with heat dissipation silicone grease.

[0041] In this embodiment, the straight tube 41 is divided into two parts, a half tube 1 411 and a half tube 2 412 , so that the straight tube 41 can be inserted into the cooling through hole 321 .

[0042] In this embodiment, during the specific operation, first, half pipe 1 411 and half pipe 2 412 are respectively inserted into the interior of the cooling through hole 321 from both ends of the cooling through hole 321, and then plugged into each other. At this time, the straight pipe 41 is located in the middle of the cooling through hole 321, and a gap 2 323 and a gap 324 are formed (as shown in FIG. Figure 10 As shown in the left figure), the metal ring 1 51 and the metal sleeve 52 are tightly attached to the iron core 32, and the flexible connection sleeve 62 is also attached to the iron core 32. Then inject heat dissipation silicone grease from the hose 54 into the inside of the cooling through-hole 321, specifically into the gap 2 323 and the gap 3 324. Inject from one of the hoses 54, such as selecting the lower hose 54 to inject heat dissipation silicone grease. During the injection process, the gas squeezes the flexible connection sleeve 62 to deform the flexible connection sleeve 62. In this way, at the position of the flexible connection sleeve 62, the gap 2 323 and the gap 324 are connected, and the air will be discharged from the gap 324 through the upper hose 54. Similarly, the heat dissipation silicone grease injected from the bottom also enters the gap 2 323 from the position of the flexible connection sleeve 62 until the gap 2 323 is filled and overflows from the upper hose 54. After the filling is completed, press down the straight tube 41 so that the inner surface of the bottom of the cooling through-hole 321 fits with the outer surface of the bottom of the straight tube 41 (as shown in the figure below). Figure 10 (As shown in the right figure), the silicone grease inside gap three 324 also flows from the location of the flexible connector sleeve 62 to gap two 323. This completes the installation of the straight tube 41 and the filling of the heat dissipation silicone grease. Then, use the curved tube 42 to connect the straight tubes 41 end to end to form a serpentine structure. The first and last straight tubes 41 are connected to the water inlet pipe 43 and water outlet pipe 44, respectively.

[0043] The above technical solution sets the cooling through hole 321 into a long groove-shaped structure, so that after the straight tube 41 is inserted into the interior of the cooling through hole 321, a gap 2 323 and a gap 324 can be formed, so that the heat dissipation silicone grease can be filled after the straight tube 41 is inserted. When the straight tube 41 is pressed down to fit the cooling through hole 321, the heat dissipation silicone grease can fill the gap between the straight tube 41 and the cooling through hole 321 without the occurrence of incomplete filling.

[0044] Refer to the instruction manual Figure 6 、 Figure 7 and Figure 13 As shown, one end of the slide 31 is fixedly connected to a positioning piece 7, and the lower side of the positioning piece 7 has several groups of pressure forks 71. Each group of pressure forks 71 presses the metal sleeve 52 on the iron core 32, thereby limiting the displacement of the metal sleeve 52 in the X-axis direction.

[0045] Furthermore, the other end of the slide 31 is fixedly connected to a second positioning piece 8 , and a plurality of second pressure forks 81 are provided below the second positioning piece 8 . Each group of second pressure forks 81 presses the second metal ring 61 onto the iron core 32 .

[0046] Furthermore, positioning column 1 3201 and positioning column 2 3202 are fixedly connected to both ends of the slide 31 and at the upper and lower positions of the end of the cooling through hole 321, respectively. Metal ring 1 51 is sleeved on positioning column 1 3201, and metal ring 2 61 is sleeved on positioning column 2 3202.

[0047] It should be noted that when installing side stop assembly 1 5 and side stop assembly 2 6 , first install side stop assembly 1 5 and side stop assembly 2 6 on half pipe 1 411 and half pipe 2 412 , respectively. After half pipe 1 411 and half pipe 2 412 are inserted into cooling through-hole 321 , metal ring 1 51 is placed on positioning post 1 3201 , and metal ring 2 61 is placed on positioning post 2 3202 , for positioning purposes. Positioning plates 1 7 and 2 8 are then installed and fixed to both ends of slide 31 , so that pressure fork 1 71 presses metal sleeve 52 against iron core 32 , limiting its displacement in the X-axis direction, and pressure fork 2 81 presses metal ring 2 61 against iron core 32 . Pressure fork 1 71 compresses metal sleeve 52 while also compressing metal ring 1 51 . Thus, neither metal ring 1 51 nor metal ring 2 61 can move.

[0048] Further, if Figure 4 and Figure 5 As shown, a lower pressure frame 9 is provided on the slide 31, and the lower pressure frame 9 includes a pressure plate 1 91 and a pressure plate 2 92 respectively provided at both ends of the iron core 32. The pressure plate 1 91 and the pressure plate 2 92 are respectively used to press down the two ends of the straight tube 41. A slide rod 93 is connected between the pressure plate 1 91 and the pressure plate 2 92. A slide groove 311 is provided on the slide 31, and the slide rod 93 slides vertically inside the slide groove 311. A fastener 90 is provided on the slide 31, and the fastener 90 is used to fix the slide rod 93 on the slide 31.

[0049] Furthermore, the bottoms of several groups of pressure forks 71 are fixedly connected to fixed blocks 100, and a pressure belt 101 passes through all the fixed blocks 100. The bottom of the pressure plate 91 has several extension plates 911, and the extension plates 911 are used to press the pressure belt 101 downward so that the pressure belt 101 presses the hose 54 upward onto the straight tube 41.

[0050] It should be noted that after the heat dissipation silicone grease is filled, when pressing down on straight tube 41, fastener 90 is screwed downward, which presses down on slide bar 93, causing lower pressing frame 9 to move downward. Pressing plate 1 91 and pressing plate 2 92 respectively press down on the two ends of straight tube 41. At this end of side stop assembly 1 5, metal ring 1 51 remains stationary, while straight tube 41 drives metal sleeve 52 downward, causing flexible connecting ring 53 to deform. At this end of side stop assembly 2 6, metal ring 2 61 remains stationary, while straight tube 41 drives flexible connecting sleeve 62 to deform.

[0051] The fixed block 100 is an arc-shaped structure. The two ends of the pressing belt 101 are respectively fixed to the fixed blocks 100 at the two ends. When the pressing plate 191 and the extension plate 911 move downward, the extension plate 911 squeezes the pressing belt 101 downward, and the pressing belt 101 located on the inner side of the fixed block 100 deforms upward, thereby pressing the hose 54 located below upward against the outer surface of the straight tube 41. The upper hose 54 is pressed against the outer surface of the straight tube 41 by the pressing plate 191, thereby preventing the heat dissipation silicone grease inside the cooling through hole 321 from flowing out of the two hoses 54. In addition, before moving the pressing plate 191 downward, the two hoses 54 can be clamped with a tool to prevent the heat dissipation silicone grease from flowing out of the two hoses 54 when the straight tube 41 moves downward. Among them, the soft connection ring 53 and the soft connection sleeve 62 are both made of elastic rubber, and the fastener 90 is a fastening screw.

[0052] The above technical solution can press down the straight tube 41 through the setting of the positioning plate 1 7, the positioning plate 2 8 and the lower pressing frame 9. On the one hand, when the straight tube 41 is pressed down, the soft connecting ring 53 and the soft connecting sleeve 62 can be deformed according to the position of the straight tube 41. The purpose of this setting is: in order to enable the straight tube 41 to be located in the middle position of the cooling through hole 321 when inserted into the cooling through hole 321, the positioning column 1 3201 and the positioning column 2 3202 are used for positioning. When the straight tube 41 is pressed down, since the metal ring 1 51 and the metal ring 2 61 cannot move, the deformable soft connecting ring 53 and the soft connecting sleeve 62 are set to adapt to the movement of the straight tube 41, thereby facilitating positioning and facilitating the downward movement of the straight tube 41.

[0053] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A linear motor with a heat dissipation structure, characterized in that: The invention comprises a slide rail (1), a stator (2) is fixedly mounted on the bottom of the slide rail (1), a mover assembly (3) is slidably mounted on the slide rail (1), the mover assembly (3) comprises a slide seat (31), the slide seat (31) is slidably mounted on the slide rail (1), an iron core (32) is fixedly mounted on the bottom of the mover assembly (3), and a plurality of coils (33) are arranged on the bottom of the iron core (32); The iron core (32) is provided with a plurality of cooling through holes (321), and cooling pipes (4) are arranged in the plurality of cooling through holes (321). The cooling pipes (4) include a plurality of straight pipes (41), and the plurality of straight pipes (41) are inserted into the interior of the cooling through holes (321); The inner surface of the bottom of the cooling through hole (321) is adapted to the shape of the outer surface of the bottom of the straight tube (41) and can fit together. When the cooling through hole (321) fits together with the straight tube (41), a gap (322) is provided between the upper surface inside the cooling through hole (321) and the outer surface of the upper portion of the straight tube (41). Heat dissipation silicone grease is filled between the inner surface of the bottom of the cooling through hole (321) and the outer surface of the bottom of the straight tube (41) and the inside of the gap (322). The cooling through hole (321) is a long slot-shaped structure. When the straight tube (41) is inserted into the middle of the cooling through hole (321), the left and right sides of the straight tube (41) fit into the side walls of the cooling through hole (321), and a second gap (323) and a third gap (324) are formed between the upper surface and the lower surface of the straight tube (41) and the upper surface and the lower surface of the cooling through hole (321), respectively. A side stop assembly (5) is provided at one end of the straight tube (41), and the side stop assembly (5) includes a metal ring (51) and a metal sleeve (52) provided in the middle of the metal ring (51), the metal ring (51) and the metal sleeve (52) are connected via a soft connection ring (53), the metal sleeve (52) is fixedly sleeved on the end of the straight tube (41), the metal ring (51) and the metal sleeve (52) are both fitted with the side wall of the iron core (32), and the metal sleeve (52) blocks one end of the cooling through hole (321), and the upper side and the lower side of the metal sleeve (52) are fixedly connected with a hose (54), and the two hoses (54) are respectively used to communicate with the gap 2 (323) and the gap 3 (324); The other end of the straight pipe (41) is provided with a side block assembly 2 (6), the side block assembly 2 (6) comprises a metal ring 2 (61) and a soft connection sleeve (62) provided in the middle of the metal ring 2 (61), the metal ring 2 (61) and the soft connection sleeve (62) are fixedly connected, the soft connection sleeve (62) is fixedly provided at the end of the straight pipe (41), and the soft connection sleeve (62) is pressed on the end of the cooling through hole (321); A positioning column 1 (3201) and a positioning column 2 (3202) are fixedly connected at both ends of the slide seat (31) and at upper and lower positions of the end of the cooling through hole (321), respectively. The metal ring 1 (51) is sleeved on the positioning column 1 (3201), and the metal ring 2 (61) is sleeved on the positioning column 2 (3202).

2. The linear motor with a heat dissipation structure according to claim 1, characterized in that: One end of the slide (31) is fixedly connected to a positioning piece (7), and a plurality of groups of pressure forks (71) are provided at the lower side of the positioning piece (7). Each group of pressure forks (71) presses the metal sleeve (52) onto the iron core (32), thereby limiting the displacement of the metal sleeve (52) in the X-axis direction.

3. The linear motor with a heat dissipation structure according to claim 2, characterized in that: The other end of the slide (31) is fixedly connected to a positioning piece 2 (8), and the lower side of the positioning piece 2 (8) has a plurality of groups of pressure forks 2 (81), and each group of pressure forks 2 (81) presses the metal ring 2 (61) onto the iron core (32).

4. The linear motor with a heat dissipation structure according to claim 3, characterized in that: A lower pressing frame (9) is provided on the slide (31), and the lower pressing frame (9) includes a pressing plate 1 (91) and a pressing plate 2 (92) respectively provided at the two ends of the iron core (32). The pressing plate 1 (91) and the pressing plate 2 (92) are respectively used to press down the two ends of the straight tube (41). A sliding rod (93) is connected between the pressing plate 1 (91) and the pressing plate 2 (92). A sliding groove (311) is provided on the slide (31), and the sliding rod (93) slides vertically inside the sliding groove (311). A fastener (90) is provided on the slide (31), and the fastener (90) is used to fix the sliding rod (93) on the slide (31).

5. The linear motor with a heat dissipation structure according to claim 4, characterized in that: The bottoms of the plurality of groups of pressure forks (71) are fixedly connected to fixed blocks (100), and a pressure belt (101) passes through all the fixed blocks (100). The bottom of the pressure plate (91) has a plurality of extension pieces (911), and the extension pieces (911) are used to press the pressure belt (101) downward so that the pressure belt (101) presses the hose (54) upward onto the straight pipe (41).

6. The linear motor with a heat dissipation structure according to claim 1, characterized in that: The cooling pipe (4) further comprises a plurality of curved pipes (42), wherein the plurality of curved pipes (42) connect the plurality of straight pipes (41) end to end in sequence to form a serpentine structure, wherein the first and last straight pipes (41) are respectively connected to a water inlet pipe (43) and a water outlet pipe (44).

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