Injection mold

Abstract

The injection mold is provided with a movable mold core, an ejection mechanism and a supporting mechanism. The supporting mechanism is used to drive the ejection mechanism to move from a working position to an avoiding position away from an ejection position, so that the ejection mechanism is completely drawn out of the movable mold core. The movable mold core can be directly disassembled and replaced. The same mold can be adapted to movable mold cores of different specifications. Moreover, the downtime is very short when the movable mold core is replaced, and the mold changing efficiency is significantly improved.

Description

Technical Field

[0001] This utility model relates to the field of injection molding, specifically to an injection mold. Background Technology

[0002] The current market environment is highly competitive, with products being updated and iterated at an accelerated pace, placing higher demands on shortening the supply cycle. Traditional injection molds are expensive to manufacture and have low mold change efficiency. If the moving mold core needs to be replaced, the entire machine must be disassembled, making it difficult to meet the needs of rapid product switching. Utility Model Content

[0003] The purpose of this utility model is to overcome at least one defect of the prior art and provide an injection mold.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An injection mold includes a moving mold assembly and a fixed mold assembly. The moving mold assembly includes a moving mold base plate, a moving mold template, and a moving mold core, as well as an ejection mechanism penetrating the moving mold core. The moving mold core is disposed within the moving mold template. The mold assembly also includes a support mechanism disposed between the moving mold base plate and the moving mold template. The support mechanism includes:

[0006] The mounting plate is positioned opposite the moving mold base plate and is used to connect the ejection mechanism and drive the ejection mechanism to move.

[0007] The guide post is vertically fixed to the moving mold base plate and passes through the mounting plate. The mounting plate is provided with guide holes that slide and fit on the guide post. The guide post is used to restrict the movement of the mounting plate in the vertical direction.

[0008] A spring, connected between the mounting plate and the moving mold plate, is used to drive the mounting plate to move closer to the moving mold base plate;

[0009] The support plate is located between the mounting plate and the moving mold base plate and can move horizontally between the push-in position and the pull-out position;

[0010] A drive mechanism is provided between the pallet and the mounting plate and / or between the pallet and the moving mold base plate, including a drive ramp provided on the pallet and a mating ramp provided on the corresponding mounting plate and / or the moving mold base plate;

[0011] in,

[0012] When the pallet moves to the push-in position, the drive mechanism drives the mounting plate away from the moving mold base plate. When the mounting plate drives the ejection mechanism to rise to the working position, the ejection mechanism penetrates the moving mold core, and the drive mechanism limits the mounting plate.

[0013] When the pallet moves to the pull-out position, it drives the drive mechanism to release the limit on the mounting plate. The spring pushes the mounting plate closer to the moving mold base plate, causing the ejection mechanism to descend to the avoidance position, so that the ejection mechanism separates from the moving mold core.

[0014] Preferably, the driving mechanism includes a driving boss and a mating boss corresponding to the driving boss, and the driving boss and the mating boss are respectively provided with a driving inclined surface and a mating inclined surface on their sides.

[0015] When the tray is in the pushed-in position, the corresponding drive boss and the mating boss abut against each other, limiting the ejection mechanism to the working position, and the spring is in a compressed state.

[0016] When the support plate moves to the withdrawal position, it causes the drive boss to misalign with the corresponding mating boss. The spring releases energy and pushes the mounting plate closer to the moving mold base plate. The ejection mechanism descends to the avoidance position and separates from the moving mold core.

[0017] Preferably, the driving mechanism includes a plurality of spaced-apart driving bosses and a plurality of mating bosses corresponding to the plurality of driving bosses. A driving groove is provided between the driving bosses and a mating groove is provided between the mating bosses. When the driving bosses are misaligned with the corresponding mating bosses, the driving bosses are embedded in the mating grooves and the mating bosses are embedded in the driving grooves.

[0018] Preferably, the top of the driving boss and the mating boss are respectively provided with planar abutment surfaces, at least one end of the abutment surface is connected to the driving inclined surface or the mating inclined surface, and the connection is provided with a chamfer;

[0019] The bottom of the driving groove and the mating groove are respectively provided with planar contact surfaces, and the two ends of the contact surfaces are respectively connected to the driving inclined surface or the mating inclined surface, and the connection is provided with a chamfer.

[0020] Preferably, the system includes two sets of drive mechanisms, which are symmetrically arranged on the upper and lower sides of the pallet. One set of drive mechanisms is located between the pallet and the mounting plate, and the other set of drive mechanisms is located between the pallet and the moving mold base plate.

[0021] Preferably, the moving mold base plate has two protruding first support platforms on the side near the tray, forming a first limiting groove between the two first support platforms. The mounting plate has two protruding second support platforms on the side near the tray, forming a second limiting groove between the two second support platforms. The two first support platforms and the two second support platforms correspond to each other. The first limiting groove and the second limiting groove are arranged opposite to each other, and both are nested on both sides of the tray.

[0022] The sum of the depth of the first limiting groove and the depth of the second limiting groove is greater than or equal to the thickness of the pallet. When the pallet moves to the pull-out position, the two second support platforms rest on the top side of the corresponding first support platform. Alternatively, the sum of the depth of the first limiting groove and the depth of the second limiting groove is less than the thickness of the pallet. When the pallet moves to the pull-out position, there is a gap between the two second support platforms and the corresponding first support platform.

[0023] Preferably, it also includes a guiding mechanism, which includes an inclined guide groove and a guide shaft that is slidably fitted into the guide groove. One of the guide groove and the guide shaft is disposed on the support plate, and the other is disposed on the moving mold base plate. The guide groove includes a first guide groove and a second guide groove that are connected. The first guide groove is horizontally disposed, and the second guide groove is inclined relative to the first guide groove.

[0024] Preferably, it also includes a locking mechanism, which is used to limit the tray in the push-in position when the tray is moved to the push-in position.

[0025] Preferably, the pallet is provided with a first clearance groove and a second clearance groove. The first clearance groove is used to avoid the top rod when the pallet moves. The top rod passes through the first clearance groove and is connected to the mounting plate. The top rod drives the ejection mechanism to move through the mounting plate. The second clearance groove is used to avoid the support column when the pallet moves. The support column passes through the mounting plate from the second clearance groove and its two ends are respectively connected to the moving mold base plate and the moving mold template.

[0026] Preferably, the pallet has a handle at the front end and an insertion part with a vertical cross-section of a triangle at the rear end. When the pallet moves to the push-in position, it drives the insertion part to push the moving mold base plate and the mounting plate away from each other.

[0027] The injection mold of this utility model is equipped with a supporting mechanism, which is used to move the ejection mechanism from the working position away from the ejection position to the avoidance position, so that the ejection mechanism is completely extracted from the moving mold core. This facilitates the replacement of the moving mold core and also has the following beneficial effects:

[0028] 1. No need for complete disassembly: Traditional replacement requires disassembling the entire moving module and manually pulling out the ejector mechanism, which is time-consuming and easily damages parts. By using a support mechanism to lower the ejector mechanism to a clearance position, the moving mold core can be directly disassembled and replaced.

[0029] 2. One machine, multiple molds: The same mold can be adapted to different specifications of moving mold cores. Different order requirements can be met by quickly changing the moving mold cores, and the downtime when changing the moving mold cores is very short;

[0030] 3. Simplified operation: Ordinary operators can simply move the pallet without the need for specialized tools or disassembly personnel;

[0031] 4. Reduce costs: Reducing disassembly and assembly steps can not only improve manual efficiency, but also avoid problems such as deformation of the ejection mechanism caused by misoperation, extend the mold life, and reduce labor and equipment costs.

[0032] In addition, the drive mechanism is achieved by multiple spaced drive bosses cooperating with mating bosses. This not only evenly distributes the injection pressure on the ejector mechanism, avoiding deformation or wear caused by local stress concentration, but also allows the drive bosses to interlock when they are misaligned, preventing the pallet from malfunctioning.

[0033] In addition, by nesting the first and second limiting grooves with the pallet, it can not only play the role of limiting and guiding, but also allow the two second support platforms to rest on the moving mold base plate to share the external force on the pallet. Alternatively, the two second support platforms can be placed separately from the moving mold base plate, and the spacing between them can ensure that the ejection system can avoid the impact and reach the correct position. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the injection mold structure;

[0035] Figure 2 This is a diagram showing the tray in the pushed-in position;

[0036] Figure 3 This is a cross-sectional view of the injection mold when the pallet is in the push-in position;

[0037] Figure 4 This is a diagram showing the tray in the withdrawn position;

[0038] Figure 5 This is a cross-sectional view of the injection mold when the tray is in the withdrawn position;

[0039] Figure 6 This is a structural diagram of the pallet;

[0040] Figure 7 This is a schematic diagram of the mounting plate;

[0041] Figure 8 This is a schematic diagram of the moving mold base plate;

[0042] Figure 9 This is a schematic diagram of the guide seat structure;

[0043] In the diagram: 1-Moving module, 2-Mounting plate, 3-Spring, 4-Support plate, 8-Locking mechanism, 11-Moving mold core, 12-Moving mold base plate, 13-Moving mold template, 14-Ejection mechanism, 15-Mold foot, 21-Allowing hole, 22-Second support platform, 23-Second limiting groove, 24-Guide hole, 41-First clearance groove, 42-Handle, 43-Insertion part, 44-Second clearance groove, 51-Drive inclined surface, 52-Drive boss, 53-Drive groove, 54-Abutting surface, 55-Contact surface, 61-Mating inclined surface, 62-Mating boss, 63-Mating groove, 71-Guide groove, 72-Guide shaft, 73-Guide seat, 81-Locking groove, 121-First support platform, 122-First limiting groove. Detailed Implementation

[0044] The specific embodiments of the injection mold of this utility model are further described below with reference to the accompanying drawings. The injection mold of this utility model is not limited to the description of the following embodiments.

[0045] like Figure 1-3 As shown, the injection mold of this embodiment includes a moving mold assembly 1 and a fixed mold assembly (not shown in the figure). The moving mold assembly 1 and the fixed mold assembly are respectively provided with a moving mold core 11 and a fixed mold core. The moving mold core 11 and the fixed mold core constitute a cavity and a core for molding products. The fixed mold assembly also includes a fixed mold base plate, a fixed mold template and a runner system. The fixed mold template is used to limit the fixed mold core, and the runner system is used to guide the molten material into the cavity and the core.

[0046] The moving module 1 also includes:

[0047] The moving mold base plate 12 is located at the bottom of the injection mold;

[0048] The moving mold template 13 is located above the moving mold base plate 12 and is used to limit the moving mold core 11. A support column (not shown in the figure) is provided between the moving mold base plate 12 and the moving mold template 13.

[0049] The ejection system includes an ejector pin (not shown in the figure) and an ejection mechanism 14. The bottom of the ejection mechanism 14 is located below the moving mold core 11, and the top penetrates the moving mold core 11. The ejector pin drives the ejection mechanism 14 to move between the working position and the ejection position through the mounting plate 2. When the ejection mechanism 14 is in the working position, its top participates in forming part of the cavity or core. After the product is formed, the fixed mold core and the moving mold core 11 are opened, and the ejection mechanism 14 moves to the ejection position. The product is ejected upward by the ejection mechanism 14. After the product is removed, the ejection mechanism 14 is reset. In this embodiment, the ejection mechanism 14 is an ejector pin. The ejection mechanism 14 can also be an ejector block or a slanted ejector, or a combination of common ejection parts, such as setting an ejector pin and an ejector block at the same time, or setting an ejector pin and a slanted ejector at the same time.

[0050] If the moving mold core 11 needs to be replaced, the entire moving mold assembly 1 needs to be disassembled, and the ejection mechanism 14 needs to be pulled out from the moving mold core 11. Only in this way can the moving mold core 11 be removed without damaging the ejection mechanism 14 and replaced. This results in a very high cost for replacing the moving mold core 11 and a very long mold replacement cycle.

[0051] like Figure 2-6 As shown, an improvement in this embodiment is that it also includes a support mechanism, which is disposed between the moving mold base plate 12 and the moving mold template 13. The support mechanism is connected to the ejection mechanism 14 and is used to drive the ejection mechanism 14 from the working position away from the ejection position to the avoidance position. When the ejection mechanism 14 moves to the avoidance position, the ejection mechanism 14 is completely extracted from the moving mold core 11.

[0052] In a preferred embodiment, the supporting mechanism includes:

[0053] Mounting plate 2 is disposed opposite to moving mold base plate 12 and is used to connect to the bottom of ejection mechanism 14 and drive ejection mechanism 14 to move;

[0054] The guide post is vertically set on the moving mold base plate 12 and passes through the mounting plate 2. The mounting plate 2 is provided with a guide hole 24 that is slidably fitted on the guide post to restrict the movement of the mounting plate 2 in the vertical direction.

[0055] Spring 3 is connected between mounting plate 2 and moving mold template 13, and is used to drive mounting plate 2 to move closer to moving mold base plate 12;

[0056] The support plate 4 is disposed between the mounting plate 2 and the moving mold base plate 12, and can move horizontally between the push-in position and the pull-out position. The support plate 4 is provided with a first clearance groove 41 for the ejector to pass through the ejector. The ejector passes through the first clearance groove 41 and is connected to the mounting plate 2. The ejector drives the ejection mechanism 14 to move between the working position and the ejection position through the mounting plate 2.

[0057] The drive mechanism is disposed between the support plate 4 and the mounting plate 2 and / or between the support plate 4 and the moving mold base plate 12, and includes a drive ramp 51 disposed on at least one side of the support plate 4, and a mating ramp 61 disposed on the corresponding mounting plate 2 and / or moving mold base plate 12 on that side.

[0058] in,

[0059] like Figure 2-3As shown, when the pallet 4 moves to the push-in position, the drive mechanism drives the mounting plate 2 to move away from the moving mold base plate 12. When the mounting plate 2 drives the ejection mechanism 14 to rise to the working position, the ejection mechanism 14 penetrates the moving mold core 11. The drive mechanism limits the mounting plate 2, preventing the mounting plate 2 from descending to the avoidance position. At this time, the ejector rod drives the ejection mechanism 14 to move between the working position and the ejection position through the mounting plate 2, but it cannot descend to the avoidance position.

[0060] like Figure 4-5 As shown, when the pallet 4 moves to the pull-out position, it drives the drive mechanism to release the limit on the mounting plate 2, and the spring 3 pushes the mounting plate 2 to move closer to the moving mold base plate 12, driving the ejection mechanism 14 to descend to the avoidance position, so that the ejection mechanism 14 separates from the moving mold core 11, and then the moving mold core 11 is replaced.

[0061] like Figure 2-3 As shown, when the pallet 4 returns to the push-in position, the drive mechanism pushes the mounting plate 2 to move away from the moving mold base plate 12 in the vertical direction, which drives the ejection mechanism 14 to rise and reset to the working position, and the spring 3 is compressed again.

[0062] The injection mold of this embodiment is provided with a support mechanism, which is used to move the ejection mechanism 14 from the working position away from the ejection position to the avoidance position, so that the ejection mechanism 14 is completely pulled out from the moving mold core 11, which facilitates the replacement of the moving mold core 11, and also has the following beneficial effects:

[0063] 1. No need for overall disassembly: Traditional replacement requires disassembling the entire moving module 1 and manually pulling out the ejector mechanism 14, which is time-consuming and easily damages parts. By using a support mechanism to lower the ejector mechanism 14 to a clearance position, the moving mold core 11 can be directly disassembled and replaced.

[0064] 2. One machine, multiple molds: The same mold can be adapted to different specifications of moving mold cores 11. Different order requirements can be met by quickly changing the moving mold cores 11, and the downtime when changing the moving mold cores 11 is very short.

[0065] 3. Simplified operation: Ordinary operators can operate by simply moving the pallet 4, without the need for special tools or disassembly personnel;

[0066] 4. Reduce costs: Reducing disassembly and assembly steps can not only improve manual efficiency, but also avoid problems such as deformation of the ejection mechanism 14 caused by misoperation, extend mold life, and reduce labor and equipment costs.

[0067] like Figure 2-6A preferred embodiment of the drive mechanism is shown. This embodiment includes two sets of drive mechanisms, which are symmetrically arranged on the upper and lower sides of the support plate 4. One set is arranged between the support plate 4 and the mounting plate 2, and the other set is arranged between the support plate 4 and the moving mold base plate 12. That is, both the upper and lower sides of the support plate 4 are provided with drive ramps 51, and the mounting plate 2 and the moving mold base plate 12 are respectively provided with mating ramps 61 corresponding to the drive ramps 51. This can effectively reduce the risk of force imbalance and jamming that may occur from unilateral drive.

[0068] Furthermore, the driving mechanism includes a plurality of spaced-apart driving bosses 52 and a plurality of mating bosses 62 corresponding to the plurality of driving bosses 52 respectively. Driving grooves 53 are provided between the driving bosses 52, and mating grooves 63 are provided between the mating bosses 62. For example... Figure 2 As shown, when the tray 4 is in the pushed-in position, the corresponding drive boss 52 and the mating boss 62 abut against each other, limiting the ejection mechanism 14 to the working position, and the spring 3 is in a compressed state.

[0069] like Figure 4-5 As shown, when the support plate 4 moves to the pull-out position, it causes the drive boss 52 to be misaligned with the corresponding mating boss 62. The spring 3 releases energy and pushes the mounting plate 2 closer to the moving mold base plate 12, causing the drive inclined surface 51 to slide along the mating inclined surface 61. This forces the drive boss 52 and the mating boss 62 to continue moving in the misalignment direction until the drive boss 52 is embedded in the mating groove 63 and the mating boss 62 is embedded in the drive groove 53. The ejection mechanism 14 then descends to the avoidance position and separates from the moving mold core 11.

[0070] like Figure 2-3 As shown, when the pallet 4 returns to the push-in position, the corresponding mating inclined surface 61 is pushed by the driving inclined surface 51, so that the mounting plate 2 moves away from the moving mold base plate 12 until the corresponding driving boss 52 and mating boss 62 re-abut each other, and the ejection mechanism 14 is reset to the working position and passes through the moving mold core 11.

[0071] In this embodiment, each drive mechanism has three drive bosses 52 and two drive grooves 53. The drive mechanism is realized by multiple spaced drive bosses 52 cooperating with mating bosses 62. This not only evenly distributes the injection pressure on the ejector mechanism 14, avoiding deformation or wear caused by local stress concentration, but also allows the drive bosses 52 to interlock when misaligned, preventing the support plate 4 from malfunctioning. Of course, the number of drive bosses 52, drive grooves 53, mating bosses 62, and mating grooves 63 can also be adjusted.

[0072] Preferably, the top of the driving boss 52 and the mating boss 62 are respectively provided with planar abutment surfaces 54, at least one end of the abutment surface 54 is connected to the driving inclined surface 51 or the mating inclined surface 61, and the connection is provided with a chamfer; the bottom of the driving groove 53 and the mating groove 63 are respectively provided with planar contact surfaces 55, both ends of the contact surfaces 55 are respectively connected to the driving inclined surface 51 or the mating inclined surface 61, and the connection is provided with a chamfer. During the movement of the support plate 4, a smooth transition can be formed through the chamfered engagement.

[0073] As a second embodiment of the driving mechanism, the driving mechanism can be provided with only one driving boss 52 and a corresponding mating boss 62. The sides of the two are respectively provided with a driving inclined surface 51 and a mating inclined surface 61. When the tray 4 moves to the pull-out position, the driving boss 52 and the corresponding mating boss 62 can be misaligned, without the need to embed the mating groove 63.

[0074] As a third embodiment of the drive mechanism, the drive mechanism may also not be provided with drive boss 52 and mating boss 62, but only drive inclined surface 51 and corresponding mating inclined surface 61. For example, drive inclined surface 51 is provided on the side of the support plate 4 near the mounting plate 2, and the mounting plate 2 is provided with mating inclined surface 61 corresponding to the drive inclined surface 51. The support plate 4 can move horizontally. When the support plate 4 moves to the push-in position, it pushes the mounting plate 2 to drive the ejection mechanism 14 to move to the working position and compress the spring 3. When the support plate 4 moves to the pull-out position, the spring 3 drives the mounting plate 2 to drive the ejection mechanism 14 to move to the avoidance position and separate from the moving mold core 11.

[0075] Alternatively, the driving ramp 51 is provided on the side of the support plate 4 near the moving mold base plate 12. The moving mold base plate 12 is provided with a mating ramp 61 corresponding to the driving ramp 51, which allows the support plate 4 to move along the mating ramp 61. When the support plate 4 moves to the push-in position, the support plate 4 moves upward and pushes the mounting plate 2. The mounting plate 2 drives the ejection mechanism 14 to move to the working position and compresses the spring 3. When the support plate 4 moves to the pull-out position, the spring 3 drives the mounting plate 2 to drive the ejection mechanism 14 to move to the avoidance position and separate from the moving mold core 11.

[0076] like Figure 7 As shown, the moving module 1 in this embodiment also includes a limiting plate (not shown in the figure) disposed between the mounting plate 2 and the moving mold template 13. The ejection mechanism 14 passes through the limiting plate. The end of the ejection mechanism 14 away from the moving mold template 13 is provided with a radially protruding limiting part. The limiting plate presses the limiting part against the top side of the mounting plate 2, so that the ejection mechanism 14 moves vertically with the mounting plate 2. The side of the mounting plate 2 near the moving mold template 13 is provided with a second countersunk hole. The moving mold template 13 is provided with a third countersunk hole corresponding to the second countersunk hole. The two ends of the spring 3 are respectively inserted into the second countersunk hole and the third countersunk hole for limiting.

[0077] like Figure 6As shown, the tray 4 in this embodiment is generally flat. The tray 4 has a handle 42 at the front end and an insertion part 43 with a vertical cross-section of a triangle at the rear end. When the tray 4 is in the push-in position, the handle 42 is located on the outside of the two mold feet 15, which makes it easy to pull the tray 4 directly to the pull-out position. When the tray 4 moves to the push-in position, it drives the insertion part 43 to push the moving mold base plate 12 and the mounting plate 2 away from each other.

[0078] The pallet 4 has two parallel second clearance grooves 44 in the middle, and a first clearance groove 41 for passing through the top rod is provided between the two second clearance grooves 44. The first clearance groove 41 is used to avoid the top rod when the pallet 4 moves, and the second clearance groove 44 is used to avoid the support column when the pallet 4 moves. The support column passes through the mounting plate 2 through the second clearance groove 44, and its two ends are respectively connected to the moving mold base plate 12 and the moving mold template 13. The length direction of the first clearance groove 41 and the second clearance groove 44 is perpendicular to the length direction of the drive boss 52. The perpendicular cross layout can improve the utilization of space.

[0079] like Figure 7-8 As shown, the moving mold base plate 12 has two protruding first support platforms 121 on its side near the support plate 4. Figure 8 A first limiting groove 122 is formed between the two first support platforms 121, and the mounting plate 2 has two protruding second support platforms 22 on its side near the support plate 4. Figure 7 A second limiting groove 23 is formed between the two second support platforms 22, and the two first support platforms 121 correspond to the two second support platforms 22 respectively.

[0080] like Figure 2 As shown, the first limiting groove 122 and the second limiting groove 23 are arranged opposite to each other, and both are nested on both sides of the tray 4.

[0081] like Figure 4 As shown, the sum of the depth of the first limiting groove 122 and the depth of the second limiting groove 23 is greater than or equal to the thickness of the pallet 4. When the pallet 4 moves to the pull-out position, the two second support platforms 22 rest on the top side of the corresponding first support platform 121; or, the sum of the depth of the first limiting groove 122 and the depth of the second limiting groove 23 is less than the thickness of the pallet 4. When the pallet 4 moves to the pull-out position, there is a gap between the two second support platforms 22 and the corresponding first support platform 121.

[0082] The first limiting groove 122 and the second limiting groove 23 are nested with the support plate 4, which can not only play the role of limiting and guiding, but also distribute the external force on the support plate 4 by placing the two second support platforms 22 on the moving mold base plate 12. If the ejection mechanism 14 needs to be repaired or replaced in the future, the two sides of the mounting plate 2 can be kept balanced, or the two second support platforms 22 can not be placed on the moving mold base plate 12, and the two can be set at an interval to ensure that the ejection system can avoid the impact.

[0083] Preferably, the second support platform 22 is provided with a guide hole 24, and the guide post is inserted into the guide hole 24 for sliding engagement, which is used to restrict the movement of the mounting plate 2 in the vertical direction. The above-mentioned guide mechanism is used to guide the movement direction of the support plate 4, and the two have different functions. Of course, the guide hole 24 can also be set in other positions, as long as it can form a sliding engagement with the corresponding guide post. Preferably, it is set near the four top corners of the mounting plate 2.

[0084] like Figure 1 As shown, the moving module 1 in this embodiment also includes a support structure, which includes two mold feet 15 arranged opposite to each other. The two mold feet 15 are respectively connected between the moving mold base plate 12 and the moving mold template 13. The support mechanism and the ejection system are arranged between the two mold feet 15. The two mold feet 15 leave space for the movement of the support mechanism between the moving mold base plate 12 and the moving mold template 13. The mounting plate 2 is provided with a clearance hole 21 for the support column to pass through. The support column passes through the clearance hole 21 through the mounting plate 2 and connects between the moving mold base plate 12 and the moving mold template 13, thereby supporting the moving mold template 13.

[0085] like Figure 2-5 As shown, the moving module 1 in this embodiment also includes a guiding mechanism, which includes an inclined guide groove 71 and a guide shaft 72 that is slidably fitted into the guide groove 71. Figure 9 One of them is set on the pallet 4 and the other is set on the moving mold base plate 12. When the pallet 4 moves, the guide mechanism decomposes the driving force of the pallet 4 moving horizontally into horizontal and vertical components to ensure that the pallet 4 moves along the predetermined trajectory.

[0086] In a preferred embodiment of the guiding mechanism, the guide groove 71 is disposed on the side of the support plate 4, and the moving mold base plate 12 is provided with a guide seat 73. Figure 9 The guide seat 73 has a guide shaft 72 on its side, and a rotatable bearing is provided on the guide shaft 72. The bearing is in rolling engagement with the guide groove 71. The guide groove 71 includes a first guide groove and a second guide groove that are connected. The first guide groove is horizontally arranged and corresponds to the abutment surface 54. It is used to avoid the guide shaft 72 before the drive boss 52 and the mating boss 62 are misaligned and separated. The second guide groove is inclined relative to the first guide groove and corresponds to the drive inclined surface 51 or the mating inclined surface 61. It is used to slide with the guide shaft 72.

[0087] like Figure 1 As shown, the moving module 1 in this embodiment also includes a locking mechanism 8. The locking mechanism 8 is used to limit the tray 4 to the push-in position to prevent the tray 4 from moving horizontally. After removing the locking mechanism 8, the tray 4 can be moved to the pull-out position to avoid accidental retraction of the ejection mechanism 14 and improve reliability.

[0088] In a preferred embodiment of the locking mechanism 8, the tray 4 is provided with a locking groove 81 that cooperates with the locking mechanism 8. One end of the locking mechanism 8 is fixedly connected to one of the mold feet 15 by a screw, and the other end extends into the locking groove 81 of the tray 4 for limiting and engaging, thus limiting the tray 4 to the pushed-in position. Of course, the locking mechanism 8 can also be implemented in other ways, such as having one end rotatably connected to the mold foot 15, and the other end swinging to achieve locking and unlocking. In addition, the locking mechanism 8 can also be provided on the moving mold base plate 12, all of which fall within the protection scope of this utility model.

[0089] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used during use. They are only for ease of description and do not indicate that the device or component referred to must have a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating relative importance.

[0090] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. An injection mold, comprising a moving mold assembly (1) and a fixed mold assembly, wherein the moving mold assembly (1) comprises a moving mold base plate (12), a moving mold template (13), and a moving mold core (11), and an ejection mechanism (14) penetrating the moving mold core (11), wherein the moving mold core (11) is disposed in the moving mold template (13), characterized in that: It also includes a support mechanism, which is disposed between the moving mold base plate (12) and the moving mold template (13), and the support mechanism includes: Mounting plate (2) is set opposite to moving mold base plate (12) and is used to connect ejection mechanism (14) and drive ejection mechanism (14) to move; The guide post is vertically fixed to the moving mold base plate (12) and passes through the mounting plate (2). The mounting plate (2) is provided with a guide hole (24) that is slidably fitted on the guide post. The guide post is used to restrict the movement of the mounting plate (2) in the vertical direction. Spring (3) is connected between mounting plate (2) and moving mold plate (13) to drive mounting plate (2) to move closer to moving mold base plate (12); The support plate (4) is located between the mounting plate (2) and the moving mold base plate (12) and can move horizontally between the push-in position and the pull-out position; The driving mechanism is located between the pallet (4) and the mounting plate (2) and / or between the pallet (4) and the moving mold base plate (12), including a driving inclined surface (51) on the pallet (4) and a mating inclined surface (61) on the corresponding mounting plate (2) and / or the moving mold base plate (12); in, When the pallet (4) moves to the push-in position, the drive mechanism drives the mounting plate (2) to move away from the moving mold base plate (12). When the mounting plate (2) drives the ejection mechanism (14) to rise to the working position, the ejection mechanism (14) penetrates the moving mold core (11), and the drive mechanism limits the mounting plate (2). When the pallet (4) moves to the pull-out position, it drives the drive mechanism to release the limit on the mounting plate (2), and the spring (3) pushes the mounting plate (2) to move closer to the moving mold base plate (12), driving the ejection mechanism (14) to descend to the avoidance position, so that the ejection mechanism (14) separates from the moving mold core (11).

2. The injection mold according to claim 1, characterized in that: The driving mechanism includes a driving boss (52) and a mating boss (62) corresponding to the driving boss (52). The driving boss (52) and the mating boss (62) are respectively provided with a driving inclined surface (51) and a mating inclined surface (61) on their sides. When the tray (4) is in the pushed-in position, the corresponding drive boss (52) and the mating boss (62) abut against each other, limiting the ejection mechanism (14) to the working position, and the spring (3) is in a compressed state; When the support plate (4) moves to the withdrawal position, it causes the drive boss (52) to be misaligned with the corresponding mating boss (62), the spring (3) releases energy and pushes the mounting plate (2) to move closer to the moving mold base plate (12), and the ejection mechanism (14) descends to the avoidance position and separates from the moving mold core (11).

3. The injection mold according to claim 2, characterized in that: The driving mechanism includes a plurality of spaced driving bosses (52) and a plurality of mating bosses (62) corresponding to the plurality of driving bosses (52). A driving groove (53) is provided between the driving bosses (52) and a mating groove (63) is provided between the mating bosses (62). When the driving boss (52) is misaligned with the corresponding mating boss (62), the driving boss (52) is embedded in the mating groove (63) and the mating boss (62) is embedded in the driving groove (53).

4. The injection mold according to claim 3, characterized in that: The top of the driving boss (52) and the mating boss (62) are respectively provided with a planar abutment surface (54), at least one end of the abutment surface (54) is connected to the driving inclined surface (51) or the mating inclined surface (61), and the connection is provided with a chamfer. The bottom of the driving groove (53) and the mating groove (63) are respectively provided with a planar contact surface (55). The two ends of the contact surface (55) are respectively connected to the driving inclined surface (51) or the mating inclined surface (61), and the connection is provided with a chamfer.

5. The injection mold according to any one of claims 1-4, characterized in that: It includes two sets of drive mechanisms, which are symmetrically arranged on the upper and lower sides of the pallet (4). One set of drive mechanisms is located between the pallet (4) and the mounting plate (2), and the other set of drive mechanisms is located between the pallet (4) and the moving mold base plate (12).

6. The injection mold according to claim 1, characterized in that: The moving mold base plate (12) has two protruding first support platforms (121) on the side near the support plate (4), and a first limiting groove (122) is formed between the two first support platforms (121). The mounting plate (2) has two protruding second support platforms (22) on the side near the support plate (4), and a second limiting groove (23) is formed between the two second support platforms (22). The two first support platforms (121) and the two second support platforms (22) correspond to each other respectively. The first limiting groove (122) and the second limiting groove (23) are arranged opposite to each other, and both are nested on both sides of the support plate (4). The sum of the depth of the first limiting groove (122) and the depth of the second limiting groove (23) is greater than or equal to the thickness of the tray (4). When the tray (4) moves to the pull-out position, the two second support platforms (22) rest on the top side of the corresponding first support platform (121); or, the sum of the depth of the first limiting groove (122) and the depth of the second limiting groove (23) is less than the thickness of the tray (4). When the tray (4) moves to the pull-out position, there is a gap between the two second support platforms (22) and the corresponding first support platform (121).

7. The injection mold according to claim 1, characterized in that: It also includes a guiding mechanism, which includes an inclined guide groove (71) and a guide shaft (72) that is slidably fitted into the guide groove (71). One of the guide groove (71) and the guide shaft (72) is disposed on the support plate (4) and the other is disposed on the moving mold base plate (12). The guide groove (71) includes a first guide groove and a second guide groove that are connected. The first guide groove is horizontally disposed and the second guide groove is inclined relative to the first guide groove.

8. The injection mold according to claim 1, characterized in that: It also includes a locking mechanism (8), which is used to limit the tray (4) in the push-in position when the tray (4) moves to the push-in position.

9. The injection mold according to claim 1, characterized in that: The pallet (4) is provided with a first clearance groove (41) and a second clearance groove (44). The first clearance groove (41) is used to avoid the top rod when the pallet (4) moves. The top rod passes through the first clearance groove (41) and is connected to the mounting plate (2). The top rod drives the ejection mechanism (14) to move through the mounting plate (2). The second clearance groove (44) is used to avoid the support column when the pallet (4) moves. The support column passes through the mounting plate (2) from the second clearance groove (44) and is connected at both ends to the moving mold base plate (12) and the moving mold template (13), respectively.

10. The injection mold according to claim 1, characterized in that: The pallet (4) has a handle (42) at the front end and an insertion part (43) with a vertical cross section in the shape of a triangle at the rear end. When the pallet (4) moves to the push-in position, it drives the insertion part (43) to push the moving mold base plate (12) and the mounting plate (2) away from each other.

Images