Pulling structure for cooling water jacket

Abstract

The utility model belongs to the technical field of hot runners, and particularly relates to a pulling structure for a cooling water jacket. Conventional hoisting hole hoisting is replaced, and the cooling water jacket is rapidly and stably pulled out of an injection mold by improving the structure of the cooling water jacket and matching with the improved special pulling tool for the cooling water jacket. Comprising a pulling handle, the end of the pulling handle is connected with one end of a connecting body, the other end of the connecting body is connected with a clamping jaw mechanism, and the clamping jaw mechanism extends into an inner cavity of a cooling water jacket and then is clamped and fixed with the wall surface of the inner cavity; the pulling handle is clamped and fixed to the wall face of the inner cavity through the clamping jaw mechanism to pull the cooling water jacket out of the injection mold from the interior of the injection mold. According to the cooling water jackets of different specifications and the corresponding diameters of the inner ring groove and the inner clamping groove, stretching and contracting of the clamping jaws are adjusted, and the cooling water jackets are pulled out of the injection mold through vertically upward force when the clamping parts at the ends of the clamping jaws can abut against the top of the inner ring groove or the top of the inner clamping groove.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot runners, in particular to a lifting structure for a cooling water jacket. Background Art

[0002] With the widespread use of plastic products in daily life, people's expectations for these products are also increasing, and therefore, the requirements for hot runners in mold production are also increasing. Injection temperature requirements vary depending on the injection material used in hot runners, especially at the location of the top gate on the product. Using a cooling water jacket facilitates the addition of a water channel, reducing issues such as high-temperature burns during molding, as well as stringing, casting, and carbonization. Therefore, cooling water jackets optimize mold core water flow and improve product quality, making them widely used in hot runner systems. This structure can replace mold water cooling inserts and is compatible with open needle valve systems.

[0003] After the cooling water jacket structure is installed, it needs to be hoisted to remove the cooling water jacket during the disassembly process. The existing cooling water jacket structure is provided with two hoisting holes for hoisting and removal. However, there are two problems in the current disassembly and installation: first, when the structural space is compact, the cooling water jacket structure cannot accommodate suitable hoisting holes, and if the hoisting holes are too small, it cannot be hoisted; second, there are usually two hoisting holes, which are symmetrically arranged at 180 degrees. Due to the large hoisting equipment, the angle is easily deviated during hoisting, and if there is a deviation, it is difficult to hoist.

[0004] Therefore, the above-mentioned problems need to be solved urgently. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides a cooling water jacket extraction structure, which replaces the existing lifting holes for lifting. By improving the cooling water jacket structure and cooperating with the improved cooling water jacket special extraction tooling, the cooling water jacket can be quickly and smoothly pulled out from the injection mold.

[0006] In order to solve the above technical problems, the technical solution adopted by the present utility model is:

[0007] A pulling structure for a cooling water jacket comprises a pulling handle, wherein one end of the pulling handle is connected to one end of a connector, and the other end of the connector is connected to a claw mechanism. After the claw mechanism is inserted into the inner cavity of the cooling water jacket, it is clamped and fixed with the inner cavity wall. The pulling handle is clamped and fixed with the inner cavity wall by the claw mechanism, thereby pulling the cooling water jacket out of the injection mold.

[0008] Furthermore, an inner ring groove is circumferentially formed on the inner cavity wall surface, and the inner ring groove is used to resist the claw mechanism.

[0009] Furthermore, the inner ring groove is evenly distributed with inner clamping grooves symmetrical at both ends of the diameter of the inner ring groove.

[0010] Furthermore, the claw mechanism includes two claws I, one end of the claw I is rotatably connected to the other end of the connecting body, and the other end of the claw I is provided with a clamping part I, and the clamping part I is clamped and fixed with the inner slot; an elastic member is provided between the two claws I, and the connecting body is provided with a sliding sleeve that can slide onto the two claws I; the elastic member is an element that undergoes elastic deformation under the action of external force and can restore its original shape.

[0011] Furthermore, the sliding sleeve slides on the connecting body toward the side of the clamping part I to squeeze the two claws I so that the elastic member contracts and deforms, and the two clamping parts I approach each other; the sliding sleeve slides on the claws I toward the side of the connecting body to release the two claws I so that the elastic member stretches and deforms, and the two clamping parts I move away from each other.

[0012] Furthermore, the inner wall surface of the sliding sleeve includes an internal thread I and a smooth surface, and the connecting body is provided with an external thread I that matches the internal thread I.

[0013] Furthermore, the claw mechanism includes a connecting plate, a fixed plate is provided on the top of the connecting plate, the fixed plate is fixedly connected to the other end of the connecting body, a servo motor is installed on the back of the connecting plate, and a first gear is provided on the front of the connecting plate to cooperate with the output end of the servo motor, the first gear is engaged with a second gear rotatably connected to the connecting plate, and the second gear is engaged with a third gear rotatably connected to the connecting plate; the second gear is hinged to one end of a claw II, and the third gear is hinged to one end of another claw II; the other ends of the two claws II are respectively provided with a clamping part II, and the clamping part II is clamped and fixed with the inner slot; the servo motor drives the first gear to rotate, the first gear drives the second gear to rotate, and the second gear drives the third gear to rotate, thereby driving the two claws II to open and close.

[0014] Furthermore, the connecting handle I of the second gear is hinged to the front upper end of the left claw II, and the back upper end of the left claw II is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the back of the connecting plate. The front and back middle parts of the left claw II are hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the back of the connecting plate; the connecting handle II of the third gear is hinged to the front upper end of the right claw II, and the back upper end of the right claw II is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the back of the connecting plate. The front and back middle parts of the right claw II are hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the back of the connecting plate; the connecting handle I, connecting handle II and six connecting rods move synchronously.

[0015] Furthermore, the first gear includes an axial connecting rod, a concave toothed disc, a convex gear, and a bolt; a connecting gear is provided at one end of the axial connecting rod, and teeth are evenly distributed on the outer circumference of the connecting gear. An internal thread is provided in the connecting gear hole of the connecting gear, and the other end of the axial connecting rod is fixedly connected to the output end of the servo motor; a concave toothed disc hole is passed through the center of the concave toothed disc from one side to the other side, and the inner wall of the concave toothed disc hole is circumferentially provided with teeth that cooperate with the connecting gear, and the connecting gear is installed in the concave toothed disc hole; a concave tooth groove is opened on one side of the concave toothed disc with the concave toothed disc hole as the center, and the inner wall surface of the concave tooth groove is circumferentially provided with teeth that cooperate with the convex gear, and the convex gear is installed in the concave tooth groove; a convex gear hole is passed through the center of the convex gear from one side to the other side; the bolt enters the convex gear hole, passes through the concave toothed disc, and enters the connecting gear hole for threaded connection and fixation.

[0016] Furthermore, the connecting plate is provided with a through hole I and a through hole II; the convex gear is installed on the concave gear plate through the through hole I, and the through hole II is used for installing a connecting rod pin.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The extraction structure consists of two parts: one is the extraction tooling, and the other is the cooling water jacket structure used in conjunction with the extraction tooling. The combination of these two parts allows after-sales personnel to manually extract the cooling water jacket from the injection mold, changing the existing extraction method of the cooling water jacket through the use of lifting holes and lifting equipment. According to the different specifications of the cooling water jacket and the corresponding inner ring groove and inner clamping groove diameters, the extension and contraction of the clamping claws are adjusted so that the clamping part at the end of the clamping claw can resist the top of the inner ring groove or inner clamping groove. The cooling water jacket is extracted from the injection mold through vertical upward force. Different specifications of extraction tooling are designed according to the size of the cooling water jacket, as well as the mold core and cavity height. They are easy to replace and easy to operate and carry, improving the work efficiency of after-sales personnel and eliminating the cumbersome steps of the existing lifting equipment and lifting holes.

[0019] 2. The cooling water jacket's inner wall is structurally designed with a circumferential inner groove. This groove allows the clamping portion of the claw to extend into the groove and contact its top surface. This inner groove structure provides flexibility, allowing the clamping portions of the two claws to be positioned at any two points within the groove for extraction. If the extraction process requires maintaining an angle perpendicular to the cooling water jacket and pulling upward, the two clamping portions must be engaged at two diametrically symmetrical points within the inner groove to ensure a stable vertical angle for the cooling water jacket during extraction. By adding symmetrical inner clamping grooves to the inner groove, the inner clamping grooves are arranged at two points along a single diameter.

[0020] 3. The extension and retraction of the claws in the claw mechanism can be designed to be manually controlled or electrically controlled. Either method can achieve the abutment and fixation of the clamping part of the claw with the inner ring groove or inner clamping groove in the cooling water jacket; when both are selected for use, they share a set of pulling handles and connectors, and it is only necessary to replace the different types of claw mechanisms at the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the first embodiment of the claw mechanism of the utility model;

[0022] Figure 2 This is a structural diagram of the first embodiment of the claw mechanism of the utility model;

[0023] Figure 3 This is a schematic diagram of the cooling water jacket structure of the utility model;

[0024] Figure 4 For this utility model Figure 3 AA-axis cross-sectional structural diagram;

[0025] Figure 5 This is a schematic diagram of the structure of the extraction handle of the utility model;

[0026] Figure 6 This is a schematic diagram of the connector structure of the utility model;

[0027] Figure 7 For this utility model Figure 6 Schematic diagram of the BB structure;

[0028] Figure 8 This is a schematic diagram of the structure of the clamping claw I of the utility model;

[0029] Figure 9 This is a schematic diagram of the exploded structure of the threaded connection between the connector and the sleeve of the utility model;

[0030] Figure 10 This is a schematic diagram of the second structure of the claw mechanism of the utility model;

[0031] Figure 11 For this utility model Figure 10 Schematic diagram of the structure of claw II in extended state;

[0032] Figure 12 For this utility model Figure 10 Schematic diagram of the structure of claw II in the retracted state;

[0033] Figure 13 For this utility model Figure 12 Schematic diagram of the CC structure;

[0034] Figure 14 For this utility model Figure 10 Schematic diagram of the exploded structure of the first gear;

[0035] Figure 15 For this utility model Figure 10 Schematic diagram of the connecting plate structure;

[0036] Figure 16 For this utility model Figure 1 The middle elastic member is a schematic diagram of the spring structure;

[0037] Figure 17 For this utility model Figure 1 The middle elastic member is a schematic diagram of the spring structure. DETAILED DESCRIPTION

[0038] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. 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.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention but is merely representative of selected embodiments of the present invention.

[0040] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field under the provisions of the specification before making any creative work shall fall within the scope of protection of the present invention.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 invention.

[0043] The present invention will be described in further detail below with reference to the accompanying drawings.

[0044] Example 1, as Figure 1 、 2 As shown:

[0045] A cooling water jacket extraction structure includes an extraction handle 1, wherein one end of the extraction handle 1 is connected to one end of a connector 2, and the other end of the connector 2 is connected to a claw mechanism. The claw mechanism extends into the inner cavity of the cooling water jacket 3 and is fixedly engaged with the inner cavity wall 31 thereof. The extraction handle 1 is fixedly engaged with the inner cavity wall 31 by the claw mechanism, thereby extracting the cooling water jacket 3 from the injection mold to the outside of the injection mold.

[0046] like Figure 5 、 6 As shown, a handle groove 11 is formed at the end of the extraction handle 1, and a handle groove internal thread 12 and a handle groove positioning surface 13 are formed on the inner wall surface of the handle groove 11. One end of the connector 2 installed in the handle groove 11 is sequentially provided with a connector external thread 22, a connector positioning surface 23, and a connector wrench position 24. The extraction handle 1 is fixedly connected to the connector 2 through threads, and is tightened by the connector wrench position 24, so that the handle groove positioning surface 13 and the connector positioning surface 23 achieve axial positioning.

[0047] The claw mechanism is adjusted according to the diameter of the inner cavity wall 31 of the cooling water jacket 3 . One end of the claw mechanism is mounted on the connector 2 , and the other end is adjusted according to the use environment to be clamped on the inner cavity wall 31 .

[0048] Example 2, based on Example 1, the inner ring groove and the claw mechanism form a clamping connection to achieve the extraction of the cooling water jacket, without the need for lifting holes and lifting equipment. Figure 3 、 4 As shown:

[0049] An inner groove 311 is circumferentially formed on the inner cavity wall 31 , and the inner groove 311 is used to resist the claw mechanism.

[0050] like Figure 3 As shown, the cross section of the inner ring groove 311 is an open rectangle with one long side and two short sides. When the claw mechanism is in the inner ring groove 311, it is lifted upward to abut against one of the short sides, thereby pulling the cooling water jacket out of the injection mold.

[0051] Example 3, based on Example 2, in order to ensure the balance when the cooling water jacket is pulled out vertically and to prevent the unsmooth pulling out caused by the tilting angle, this embodiment uses two symmetrical inner slots and claw mechanisms to ensure the smooth and balanced pulling out of the cooling water jacket. Figure 3 、 4 As shown:

[0052] Inner clamping grooves 312 are evenly distributed in the inner ring groove 311 and are symmetrical at both ends of the diameter of the inner ring groove 311 .

[0053] like Figure 4 As shown, the inner card grooves 312 are evenly distributed in the inner ring groove 311, and the distance between any inner card groove 312 and its other symmetrical inner card groove 312 is equal to the diameter of the inner ring groove 311, so as to ensure that when the claw mechanism is engaged in any two symmetrical inner card grooves 312, the cooling water jacket 3 can be pulled out vertically upward to ensure balance and vertical pulling to avoid tilting.

[0054] Example 4, the first embodiment of the claw mechanism, by manually controlling the extension and contraction of the claw I to adapt to the inner ring groove or inner groove in the cooling water jacket to abut and fix, such as Figure 1 、 2 , as shown in Figure 8:

[0055] The claw mechanism includes two claws I4, one end of which is rotatably connected to the other end of the connecting body 2, and the other end of the claw I4 is provided with a clamping portion I41, which is clamped and fixed to the inner slot 312; an elastic member is provided between the two claws I4, and a sliding sleeve 5 is provided on the connecting body 2 that can slide onto the two claws I4; the elastic member is an element that undergoes elastic deformation under the action of external force and can restore its original shape.

[0056] like Figure 7 As shown, the outer wall surface of the end of the connector 2 is symmetrically provided with a connector groove 25 along the diameter direction. The connector groove 25 passes through the outer wall surface of the connector 2. A threaded fixing column 26 is installed in the connector groove 25. The outer periphery of the threaded fixing column 26 includes a threaded surface and a smooth surface. One end of the claw I4 is provided with a mounting hole, which is sleeved on the threaded fixing column 26 and is locked by fixing the threaded surface on 26 with a nut and a thread. The claw I4 can rotate on the smooth surface of the threaded fixing column 26.

[0057] like Figure 8 The end corner of the clamping portion I41 or the upward contact surface of the clamping portion I41 abuts against the top surface of the inner clamping groove 312 to pull up the cooling water jacket 3.

[0058] like Figure 1 When the elastic member is compressed by the sleeve, the sleeve 5 is hollow, and the hollow channel slides on the connector 2; the elastic member is in an extended state by default, that is, the opening of the two clamping claws Ⅰ4 with the clamping part Ⅰ41 is the largest; the sleeve 5 slides from the clamping claw Ⅰ4 at one end of the connector 2 to the clamping part Ⅰ41 at one end, and the elastic member will gradually shrink due to the diameter restriction of the hollow channel of the sleeve 5, so that the two clamping parts Ⅰ41 gradually approach to adapt to the distance between the two symmetrical inner slots 312.

[0059] like Figure 2When the elastic member is in the extended state, the engaging portion I 41 is located in the inner slot 312 , so the extension range of the elastic member is limited by the distance between the two symmetrical inner slots 312 and does not continue to extend.

[0060] Example 5: Based on Example 4, the elastic member can be implemented in two structures, such as Figure 1 、 2 , 16, 17 as shown:

[0061] The sliding sleeve 5 slides on the connecting body 2 toward the side of the clamping part Ⅰ41 to squeeze the two claws Ⅰ4 so that the elastic member contracts and deforms, and the two clamping parts Ⅰ41 move closer to each other; the sliding sleeve 5 slides on the claws Ⅰ4 toward the side of the connecting body 2 to release the two claws Ⅰ4 so that the elastic member stretches and deforms, and the two clamping parts Ⅰ41 move away from each other.

[0062] One structure of the elastic member is implemented as a torsion spring 6, see Figure 1 、 2 The opening of the torsion spring 6 faces the side of the clamping part Ⅰ41, and the upper connecting rod 61 and the lower connecting rod 62 of the torsion spring 6 are respectively fixed on the claw Ⅰ4. A hole is opened on the claw Ⅰ4, and the upper connecting rod 61 and the lower connecting rod 62 are inserted and fixed; the sliding sleeve 5 slides on the claw Ⅰ4 toward the side of the clamping part Ⅰ41, and the upper connecting rod 61 and the lower connecting rod 62 of the torsion spring 6 approach and shrink; the sliding sleeve 5 slides on the claw Ⅰ4 toward the side of the connecting body 2, and the upper connecting rod 61 and the lower connecting rod 62 of the torsion spring 6 stretch away from each other.

[0063] The second structure of the elastic member is implemented as a spring sheet 7, see Figure 16 、 17 The opening of the spring piece 7 faces the side of the connector 2, and the upper connecting part 71 and the lower connecting part 72 of the spring piece 7 are respectively fixed on the claw Ⅰ4. The claw Ⅰ4 has threaded holes, and the upper connecting part 71 and the lower connecting part 72 have holes. Bolts are inserted into the holes on the upper connecting part 71 and the lower connecting part 72 and enter the threaded holes on the claw Ⅰ4 to be threadedly connected and fixed; the sliding sleeve 5 slides on the claw Ⅰ4 toward the side of the clamping part Ⅰ41, and the spring piece 7 is squeezed by the sliding sleeve 5 on the two claws Ⅰ4, causing the spring piece 7 to shrink and deform; the sliding sleeve 5 slides on the claw Ⅰ4 toward the side of the connector 2, and the spring piece 7 is released by the sliding sleeve 5 on the two claws Ⅰ4, causing the spring piece 7 to stretch and deform.

[0064] Example 6, based on Example 4, when the extraction handle vertically pulls out the cooling water jacket, the sleeve is fixed on the connector to prevent it from sliding down to the claw mechanism and interfering with it. Figure 9 As shown:

[0065] The inner wall surface of the sliding sleeve 5 includes an internal thread Ⅰ51 and a smooth surface 52 , and the connecting body 2 is provided with an external thread Ⅰ21 that matches the internal thread Ⅰ51 .

[0066] In the default state, the sleeve 5 is threadedly connected to the connector 2, and the sleeve 5 is immovable at this time; when the sliding sleeve 5 needs to be slid to squeeze and contract the claw Ⅰ4, the sleeve 5 is rotated to remove it; when the sleeve 5 is used up, it is slid onto the connector 2 to the external thread Ⅰ21 and threadedly connected to its internal thread Ⅰ51 to be fixed.

[0067] In order to ensure that the sleeve 5 can be fixed on the connecting body 2, only a small number of threads are needed; the smooth surface 52 is intended to provide smoothness when sliding to the claw Ⅰ4 and squeezing the claw Ⅰ4. If a large area of thread contacts and squeezes the claw Ⅰ4, it is easy to cause damage to the thread and scratching of the claw Ⅰ4.

[0068] Example 7, based on Example 3, a second embodiment of the claw mechanism, which controls the extension and contraction of the claw II by a servo motor to adapt to the inner ring groove or inner groove in the cooling water jacket, such as Figure 6 、 7 , 10, 11, 12 as shown:

[0069] The clamping mechanism includes a connecting plate 8, a fixing plate 81 is provided on the top of the connecting plate 8, and the fixing plate 81 is fixedly connected to the threaded fixing 26 of the connecting body 2. A servo motor 82 is installed on the back of the connecting plate 8, and a first gear 83 is provided on the front of the connecting plate 8 to cooperate with the output end of the servo motor 82. The first gear 83 is engaged with a second gear 84 that is rotatably connected to the connecting plate 8, and the second gear 84 is engaged with a third gear 85 that is rotatably connected to the connecting plate 8; the second gear 84 is hinged to one end of a clamping claw II 86, and the third gear 85 is hinged to one end of another clamping claw II 86; the other ends of the two clamping claws II 86 are respectively provided with a clamping part II 87, which is clamped and fixed with the inner slot 312; the servo motor 82 drives the first gear 83 to rotate, the first gear 83 drives the second gear 84 to rotate, and the second gear 84 drives the third gear 85 to rotate, thereby driving the two clamping claws II 86 to open and close.

[0070] The servo motor 82 is installed on the back of the connecting plate 8. The installation and fixation of the servo motor 82 is a known mature technology and is not a structure to be improved in this application, so it will not be described in detail here.

[0071] The mounting hole on the fixing plate 81 is sleeved on the threaded fixing column 26. By adding a gasket, the total thickness of the fixing plate 81 and the gasket can be fixed to the nut, so that the fixing plate 81 is fixed on the threaded fixing column 26 instead of being rotatable.

[0072] Reference Figure 12Take the perspective as an example: the two claws II 86 are close to each other; at this time, the servo motor 82 is started to rotate counterclockwise to drive the first gear 83 to rotate counterclockwise, the first gear 83 rotates counterclockwise to drive the second gear 84 to rotate clockwise, and the second gear 84 rotates clockwise to drive the third gear 85 to rotate counterclockwise; the two claws II 86 move away from each other, and the distance between the two clamping parts II 87 gradually increases to adapt to the two symmetrical inner slots 312, see Figure 11 .

[0073] Reference Figure 10 Take the perspective as an example: the two claws II 86 are in a state of being away from each other; at this time, the servo motor 82 is started to rotate clockwise to drive the first gear 83 to rotate clockwise, the first gear 83 rotates clockwise to drive the second gear 84 to rotate counterclockwise, and the second gear 84 rotates counterclockwise to drive the third gear 85 to rotate clockwise; the two claws II 86 are close to each other, and the distance between the two clamping parts II 87 gradually becomes smaller. Figure 12 .

[0074] Example 8, based on Example 7, the two claws II are hinged by a connecting rod to achieve synchronous and stable movement, such as Figure 10 、 11 、13 as shown:

[0075] The connecting handle I841 of the second gear 84 is hinged to the front upper end of the left-side clamping claw II 86, and the back upper end of the left-side clamping claw II 86 is hinged to one end of a connecting rod 88, and the other end of the connecting rod 88 is hinged to the back of the connecting plate 8. The front and back middle parts of the left-side clamping claw II 86 are both hinged to one end of the connecting rod 88, and the other end of the connecting rod 88 is hinged to the back of the connecting plate 8; the connecting handle II851 of the third gear 85 is hinged to the front upper end of the right-side clamping claw II 86, and the back upper end of the right-side clamping claw II 86 is hinged to one end of a connecting rod 88, and the other end of the connecting rod 88 is hinged to the back of the connecting plate 8. The front and back middle parts of the right-side clamping claw II 86 are both hinged to one end of a connecting rod 88, and the other end of the connecting rod 88 is hinged to the back of the connecting plate 8; the connecting handle I841, the connecting handle II851 and the six connecting rods 88 move synchronously.

[0076] Example 9, based on Example 7, further defines the first gear structure to cooperate with the servo motor to transmit power to the second gear, such as Figure 14 As shown:

[0077] The first gear 83 includes an axial connecting rod 831, a concave toothed disc 832, a convex gear 833, and a bolt 834; one end of the axial connecting rod 831 is provided with a connecting gear 8311, the outer circumference of the connecting gear 8311 is evenly distributed with teeth, and the connecting gear hole 8312 of the connecting gear 8311 is provided with an internal thread, and the other end of the axial connecting rod 831 is fixedly connected to the output end of the servo motor 82; the center of the concave toothed disc 832 is penetrated from one side to the other side by a concave toothed disc hole 8321, and the inner wall of the concave toothed disc hole 8321 is circumferentially provided with a toothed disc that cooperates with the connecting gear 8311 The teeth of the connecting gear 8311 are installed in the concave tooth plate hole 8321; a concave tooth groove 8322 is opened on one side of the concave tooth plate 832 with the concave tooth plate hole 8321 as the center, and the inner wall surface of the concave tooth groove 8322 is circumferentially provided with teeth that cooperate with the convex gear 833, and the convex gear 833 is installed in the concave tooth groove 8322; a convex gear hole 8331 passes through the center of the convex gear 833 from one side to the other side; the bolt 834 enters the convex gear hole 8331, passes through the concave tooth plate 832, and enters the connecting gear hole 8312 to be threaded and fixed.

[0078] Example 10, based on Example 9, Figure 15 As shown:

[0079] The connecting plate 8 is provided with a through hole I89 and a through hole II810; the convex gear 833 passes through the through hole I89 and is mounted on the concave gear plate 832, and the through hole II810 is used for mounting a pin shaft on the connecting rod 88.

[0080] The operating principle can be divided into two ways: one is the cooperation between claw I and the elastic part, and the other is the cooperation between claw II and the gear and servo motor. The details are as follows:

[0081] 1. Coordination between the clamping claw I and the elastic member: Hold the pulling handle 1, remove the sliding sleeve 5 from the connecting body 2 by thread, slide the sliding sleeve 5 to the end of the clamping claw I4, and continue to slide along the clamping claw I4 toward the other end. When the torsion spring 6 or spring leaf 7 between the two clamping claws I4 is squeezed and deformed by the inner diameter of the sliding sleeve 5 and shrinks, the two clamping parts I41 can enter the cooling water jacket 3. The sliding sleeve 5 moves toward the connecting body 2. While moving, the torsion spring 6 or spring leaf 7 will gradually rebound and stretch to drive the clamping claw I4 to stretch. The two clamping parts I41 are aligned with the inner groove 312 until the sliding sleeve 5 slides onto the connecting body 2. At this time, the clamping part I41 is clamped and fixed in the inner groove 312. Hold the pulling handle 1 and pull out the cooling water jacket 3 from the injection mold upward.

[0082] 2. Coordination of claws II with gears and servo motor: the pulling handle 1 and the connector 2 are consistent with those in the above “a”; the two claws II 86 are in the default state of contraction, that is, the claws II 86 are close to each other, and the two claws II 86 extend into the cooling water jacket 3; start the servo motor 82, the output end of the servo motor 82 rotates counterclockwise to drive the first gear 83 to rotate counterclockwise, the first gear 83 rotates counterclockwise to drive the second gear 84 to rotate clockwise, the second gear 84 rotates clockwise to drive the third gear 85 to rotate counterclockwise, the two claws II 86 gradually move away from each other, that is, the distance between the two clamping parts II 87 gradually increases to adapt to the two symmetrical inner slots 312, when the two clamping parts II 87 are clamped in the inner slots 312, stop the servo motor 82, and the claws II 86 also stop extending at this time; hold the pulling handle 1 and pull out the cooling water jacket 3 upward from the injection mold.

[0083] The present invention has been described above with reference to the accompanying drawings. It is clear that the specific implementation of the present invention is not limited to the above-mentioned embodiments. Those skilled in the art may make various modifications or variations to the present invention without departing from the technical concept of the present invention, and such modifications or variations shall naturally fall within the scope of protection of the present invention.

Claims

1. A cooling water jacket lifting structure, characterized in that: It comprises a pulling handle (1), the end of the pulling handle (1) is connected to one end of a connector (2), the other end of the connector (2) is connected to a claw mechanism, and the claw mechanism is inserted into the inner cavity of the cooling water jacket (3) and is fixedly engaged with the inner cavity wall (31) thereof; The extraction handle (1) is fixedly engaged with the inner cavity wall (31) via a claw mechanism to extract the cooling water jacket (3) from the injection mold to the outside of the injection mold.

2. The cooling water jacket lifting structure according to claim 1, characterized in that: An inner ring groove (311) is circumferentially formed on the inner cavity wall surface (31), and the inner ring groove (311) is used to resist the claw mechanism.

3. The cooling water jacket lifting structure according to claim 2, characterized in that: Inner clamping grooves (312) are evenly distributed in the inner ring groove (311) and are symmetrical along the two end points of the diameter of the inner ring groove (311).

4. The cooling water jacket lifting structure according to claim 3, characterized in that: The clamping claw mechanism comprises two clamping claws I (4), one end of the clamping claw I (4) is rotatably connected to the other end of the connecting body (2), and the other end of the clamping claw I (4) is provided with a clamping portion I (41), and the clamping portion I (41) is clamped and fixed to the inner clamping groove (312); An elastic member is provided between the two clamping claws I (4), and a sliding sleeve (5) is provided on the connecting body (2) and can slide onto the two clamping claws I (4); The elastic member is an element that undergoes elastic deformation under the action of external force and can restore its original shape.

5. The cooling water jacket lifting structure according to claim 4, characterized in that: The sliding sleeve (5) slides on the connecting body (2) toward one side of the clamping portion I (41) to squeeze the two clamping claws I (4) so that the elastic member contracts and deforms, and the two clamping portions I (41) approach each other; The sliding sleeve (5) slides on the claws I (4) toward one side of the connecting body (2) to release the two claws I (4) so that the elastic member stretches and deforms, and the two clamping parts I (41) move away from each other.

6. The cooling water jacket lifting structure according to claim 4, characterized in that: The inner wall surface of the sliding sleeve (5) includes an internal thread I (51) and a smooth surface (52), and the connecting body (2) is provided with an external thread I (21) that matches the internal thread I (51).

7. The cooling water jacket lifting structure according to claim 3, characterized in that: The claw mechanism comprises a connecting plate (8), a fixing plate (81) is provided on the top of the connecting plate (8), the fixing plate (81) is fixedly connected to the other end of the connecting body (2), a servo motor (82) is installed on the back of the connecting plate (8), and a first gear (83) is provided on the front of the connecting plate (8) to cooperate with the output end of the servo motor (82), the first gear (83) is meshed with a second gear (84) rotatably connected to the connecting plate (8), and the second gear (84) is meshed with a third gear (85) rotatably connected to the connecting plate (8); The second gear (84) is hinged to one end of a claw II (86), and the third gear (85) is hinged to one end of another claw II (86); The other ends of the two clamping claws II (86) are respectively provided with a clamping portion II (87), and the clamping portion II (87) is clamped and fixed to the inner clamping groove (312); The servo motor (82) drives the first gear (83) to rotate, the first gear (83) drives the second gear (84) to rotate, the second gear (84) drives the third gear (85) to rotate, thereby driving the two claws II (86) to open and close.

8. The cooling water jacket lifting structure according to claim 7, characterized in that: The connecting handle I (841) of the second gear (84) is hinged to the front of the upper end of the left claw II (86), and the back of the upper end of the left claw II (86) is hinged to one end of a connecting rod (88), and the other end of the connecting rod (88) is hinged to the back of the connecting plate (8). The front and back of the middle part of the left claw II (86) are both hinged to one end of a connecting rod (88), and the other end of the connecting rod (88) is hinged to the back of the connecting plate (8); The connecting handle II (851) of the third gear (85) is hinged to the front upper end of the right clamping claw II (86), and the back upper end of the right clamping claw II (86) is hinged to one end of a connecting rod (88), and the other end of the connecting rod (88) is hinged to the back of the connecting plate (8). The front and back middle portions of the right clamping claw II (86) are both hinged to one end of a connecting rod (88), and the other end of the connecting rod (88) is hinged to the back of the connecting plate (8); The connecting handle I (841), the connecting handle II (851) and the six connecting rods (88) move synchronously.

9. The cooling water jacket lifting structure according to claim 7, characterized in that: The first gear (83) includes a shaft connecting rod (831), a concave toothed disc (832), a convex gear (833), and a bolt (834); One end of the shaft connecting rod (831) is provided with a connecting gear (8311), the outer circumference of the connecting gear (8311) is uniformly distributed with teeth, and the connecting gear hole (8312) of the connecting gear (8311) is provided with an internal thread, and the other end of the shaft connecting rod (831) is fixedly connected to the output end of the servo motor (82); A concave toothed disc hole (8321) is formed in the center of the concave toothed disc (832) from one side to the other side, and teeth are provided on the inner wall of the concave toothed disc hole (8321) in a circumferential direction for cooperating with the connecting gear (8311), and the connecting gear (8311) is installed in the concave toothed disc hole (8321); A concave tooth groove (8322) is formed on one side of the concave tooth disc (832) with the concave tooth disc hole (8321) as the center. Teeth that cooperate with the convex gear (833) are circumferentially provided on the inner wall surface of the concave tooth groove (8322). The convex gear (833) is installed in the concave tooth groove (8322). A convex gear hole (8331) runs through the center of the convex gear (833) from one side to the other side; The bolt (834) enters the convex gear hole (8331), passes through the concave gear plate (832), and enters the internal thread connection of the connecting gear hole (8312) to be fixed.

10. The cooling water jacket lifting structure according to claim 9, characterized in that: The connecting plate (8) is provided with a through hole I (89) and a through hole II (810); The convex gear (833) is installed on the concave gear plate (832) through the through hole I (89), and the through hole II (810) is used for installing the pin of the connecting rod (88).

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