Core rod pulling-out device of plastic mould pressing mould

Abstract

The utility model relates to the technical field of demoulding of plastic mould pressing moulds, and discloses a plastic mould pressing mould core rod extraction device which comprises a base and a mould core rod body, a pull ring is fixedly arranged outside the mould core rod body, an adjusting mechanism is arranged inside the base, an extraction mechanism is arranged outside the adjusting mechanism, and the extraction mechanism is arranged on the base. The spring rebounds to drive the baffle to move, so that the inserting plate is mounted in the mounting block, the different inserting plates and the U-shaped piece can be replaced according to the size of the pull ring, the U-shaped piece wraps the pull ring, the inserting pin is inserted, the inserting plate and the mold core rod body are mounted, and the two clamping plates support the two sides of a mold outside the mold core rod body; by means of the structure, when the mold core rod body is pulled, the mold cannot move abnormally, the mold core rod body can be pulled out more easily, the oil cylinder is started to drive the installation block to move, the U-shaped piece pulls the pull ring, the mold core rod body is pulled out, and the adjusting mechanism drives the rectangular block to move at any position.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic compression mold demoulding, in particular to a core rod extracting device for a plastic compression mold. Background Art

[0002] Most of the related plastic products are formed by compression molding. During compression molding, the outlet core rod needs to be pulled out when the mold is demoulding, and then the demoulding work can be carried out. Therefore, a plastic compression mold core rod extraction device is required.

[0003] According to the description of a plastic molding die core rod extraction device disclosed on the patent website (authorization announcement number: CN214562405U), "The utility model discloses a plastic molding die core rod extraction device, which belongs to the field of plastic pump body manufacturing, including a door frame, a first walking mechanism, a pulling mechanism, a thrust mechanism and a first lifting mechanism. The pulling mechanism and the thrust mechanism are arranged on the door frame. The first lifting mechanism drives the pulling mechanism and the thrust mechanism to move up and down on the door frame. The door frame is arranged on the first walking mechanism, and the first walking mechanism drives the door frame to move in the horizontal direction. The utility model can conveniently adjust the height and horizontal position of the pulling mechanism to adapt to molds of different sizes, which can effectively improve work efficiency, reduce labor intensity, and improve safety in the production process."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model controls the action of the oil cylinder through PLC and switches, and can conveniently adjust the height and horizontal position of the pulling mechanism to adapt to molds of different sizes. The pull pin passes through the two through holes and the pull ring of the U-shaped part, and the mold outlet core rod is pulled out by the pulling mechanism cylinder in cooperation with the thrust mechanism. However, in actual use, the diameters of the mold outlet core rod are different. When the sizes are different, the U-shaped part cannot be sleeved on the outside of the pull ring and then fixed by the pull pin, and the next step of pulling out the mold outlet core rod cannot be performed. Therefore, it is necessary to improve a plastic molding mold core rod extraction device to solve the above problem. Utility Model Content

[0006] The utility model aims to provide a core rod extraction device for a plastic molding die to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic molding die core rod extraction device, comprising a base and a die core rod body, a pull ring is fixedly installed on the outside of the die core rod body, an adjustment mechanism is arranged inside the base, and an extraction mechanism is arranged outside the adjustment mechanism.

[0008] The extraction mechanism comprises an extraction component and a fixing component, and the fixing component is arranged inside the extraction component.

[0009] Preferably, the adjustment mechanism includes an electric telescopic rod, which is fixedly installed inside the base, and a slider A is fixedly installed on the output end of the electric telescopic rod, a motor A is fixedly installed on the front of the slider A, a threaded rod A is fixedly installed on the output end of the motor A, a slider B is fixedly installed on the external thread of the threaded rod A, a motor B is fixedly installed on the top of the slider B, a threaded rod B is fixedly installed on the output end of the motor B, and a slider C is installed on the external thread of the threaded rod B, thereby driving the rectangular block to move its position.

[0010] Preferably, the slider C is slidably installed inside the slider B, the slider B is slidably installed inside the slider A, and the slider A is slidably installed inside the base, so that the slider A can move left and right.

[0011] Preferably, the extraction component includes a rectangular block, which is fixedly mounted on the right side of the slider C, an oil cylinder is provided inside the rectangular block, a mounting block is fixedly mounted on the output end of the oil cylinder, two fixed columns are fixedly mounted on the front of the rectangular block, a sliding column is slidably mounted inside the fixed column, a plug plate is slidably mounted inside the mounting block, a U-shaped part is fixedly mounted on the side of the plug plate away from the mounting block, a latch is movably mounted inside the U-shaped part, two springs are fixedly mounted inside the mounting block, a baffle is fixedly mounted on the end of the spring away from the mounting block, and a pull block is fixedly mounted on the top of the baffle to drive the baffle to move.

[0012] Preferably, the pull block is slidably installed inside the mounting block, the baffle is slidably installed inside the mounting block, the end of the slide column away from the rectangular block is fixedly installed on the mounting block, the latch passes through the pull ring, the U-shaped part wraps the pull ring, and the latch is inserted, so that the latch plate is installed with the mold core rod body.

[0013] Preferably, the fixing assembly includes a motor C, which is fixedly mounted on the front side of the rectangular block, a bidirectional threaded rod is fixedly mounted on the output end of the motor C, a cylinder is fixedly mounted inside the rectangular block, two moving blocks are slidably mounted outside the cylinder, a clamp is fixedly mounted on the right side of the moving block, and an anti-slip pad is fixedly mounted on the side of the clamp close to the mold core rod body, so that the mold will not slide when supporting both sides of the mold outside the mold core rod body.

[0014] Preferably, the clamping plate is slidably mounted inside the rectangular block, and the two clamping plates are both threadedly mounted outside the bidirectional threaded rod, and the rotation of the bidirectional threaded rod drives the two moving blocks to move relative to each other.

[0015] Compared with the prior art, the utility model provides a plastic molding die core rod extraction device, which has the following beneficial effects:

[0016] 1. The plastic molding die core rod extraction device pulls the pull block to move the baffle plate to drive the spring to compress, slide the U-shaped part into the interior of the mounting block, release the pull block, and the spring rebounds to drive the baffle plate to move. The baffle plate contacts the plug plate, so that the plug plate is installed in the mounting block, so that different plug plates and U-shaped parts can be replaced according to the size of the pull ring. The U-shaped part wraps the pull ring, inserts the latch, and installs the plug plate and the mold core rod body. Start the motor C to rotate the bidirectional threaded rod, drive the two moving blocks to move relative to each other, drive the two clamping plates to approach, so that the two clamping plates are supported on both sides of the mold outside the mold core rod body, so that when the mold core rod body is pulled, the mold will not move abnormally, which is more conducive to the extraction of the mold core rod body, start the oil cylinder to drive the mounting block to move, so that the U-shaped part pulls the pull ring, so that the mold core rod body is extracted, and the sliding column slides inside the fixed column, so that the movement of the mounting block is more stable.

[0017] 2. The plastic molding die core rod extraction device starts the electric telescopic rod to drive the slider A to rotate, so that the slider A can move left and right, the motor A drives the threaded rod A to rotate, so that the slider B moves forward and backward, the motor B drives the threaded rod B to rotate, so that the slider C is lifted and lowered, and the rectangular block can be moved to any position. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the extraction mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the exploded structure of the extraction component of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the fixing component of the utility model.

[0024] In the figure: 1. base; 2. mold core rod body; 3. pull ring; 4. adjustment mechanism; 41. electric telescopic rod; 42. slider A; 43. motor A; 44. threaded rod A; 45. slider B; 46. motor B; 47. threaded rod B; 48. slider C; 5. extraction mechanism; 51. extraction assembly; 511. rectangular block; 512. oil cylinder; 513. mounting block; 514. fixed column; 515. sliding column; 516. plug plate; 517. U-shaped part; 518. latch; 519. spring; 5110. baffle; 5111. pull block; 52. fixed assembly; 521. motor C; 522. bidirectional threaded rod; 523. cylinder; 524. moving block; 525. splint; 526. anti-slip pad. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] See also Figure 1-4 The utility model provides a technical solution: a plastic molding die core rod extraction device, comprising a base 1 and a die core rod body 2, a pull ring 3 is fixedly installed on the outside of the die core rod body 2, an adjustment mechanism 4 is arranged inside the base 1, and an extraction mechanism 5 is arranged outside the adjustment mechanism 4.

[0029] The extraction mechanism 5 includes a extraction component 51 and a fixing component 52 . The fixing component 52 is disposed inside the extraction component 51 .

[0030] Furthermore, the extraction component 51 includes a rectangular block 511, which is fixedly installed on the right side of the slider C48. A cylinder 512 is provided inside the rectangular block 511, and a mounting block 513 is fixedly installed on the output end of the cylinder 512. Two fixed columns 514 are fixedly installed on the front of the rectangular block 511, and a sliding column 515 is slidably installed inside the fixed column 514. A plug plate 516 is slidably installed inside the mounting block 513, and a U-shaped piece 517 is fixedly installed on the side of the plug plate 516 away from the mounting block 513, and a latch 518 is movably installed inside the U-shaped piece 517. Two springs 519 are fixedly installed inside the mounting block 513, and a baffle 5110 is fixedly installed on the end of the spring 519 away from the mounting block 513, and a pull block 5111 is fixedly installed on the top of the baffle 5110 to drive the baffle 5110 to move.

[0031] Furthermore, the pull block 5111 is slidably installed inside the mounting block 513, the baffle 5110 is slidably installed inside the mounting block 513, the end of the slide column 515 away from the rectangular block 511 is fixedly installed on the mounting block 513, the latch 518 passes through the pull ring 3, the U-shaped piece 517 wraps the pull ring 3, and the latch 518 is inserted, so that the plug plate 516 is installed on the mold core rod body 2.

[0032] Furthermore, the fixing assembly 52 includes a motor C521, which is fixedly installed on the front side of the rectangular block 511, and a bidirectional threaded rod 522 is fixedly installed on the output end of the motor C521. A cylinder 523 is fixedly installed inside the rectangular block 511, and two moving blocks 524 are slidably installed outside the cylinder 523. A clamping plate 525 is fixedly installed on the right side of the moving block 524, and an anti-slip pad 526 is fixedly installed on the side of the clamping plate 525 close to the mold core rod body 2, so that the mold will not slide when supporting the two sides of the mold outside the mold core rod body 2.

[0033] Furthermore, the clamping plate 525 is slidably installed inside the rectangular block 511, and the two clamping plates 525 are both threadedly installed outside the bidirectional threaded rod 522. The rotation of the bidirectional threaded rod 522 drives the two moving blocks 524 to move relative to each other.

[0034] Embodiment two:

[0035] See also Figure 5, and combined with Example 1, it is further obtained that the adjustment mechanism 4 includes an electric telescopic rod 41, the electric telescopic rod 41 is fixedly installed inside the base 1, a slider A42 is fixedly installed on the output end of the electric telescopic rod 41, a motor A43 is fixedly installed on the front of the slider A42, a threaded rod A44 is fixedly installed on the output end of the motor A43, a slider B45 is fixedly installed on the external thread of the threaded rod A44, a motor B46 is fixedly installed on the top of the slider B45, a threaded rod B47 is fixedly installed on the output end of the motor B46, and a slider C48 is installed on the external thread of the threaded rod B47, which drives the rectangular block 511 to move its position.

[0036] Furthermore, the slider C48 is slidably installed inside the slider B45, the slider B45 is slidably installed inside the slider A42, and the slider A42 is slidably installed inside the base 1, so that the slider A42 can move left and right.

[0037] In actual operation, when the device is used, the pull block 5111 is pulled to move the baffle 5110 and compress the spring 519, so that the U-shaped piece 517 slides into the mounting block 513, and the pull block 5111 is released. The spring 519 rebounds and drives the baffle 5110 to move. The baffle 5110 contacts the plug plate 516, so that the plug plate 516 is installed in the mounting block 513, so that different plug plates 516 and U-shaped pieces 517 can be replaced according to the size of the pull ring 3, and the electric telescopic rod 41 is started to drive the slider A42 to rotate, so that the slider A42 can move left and right, and the motor A43 drives the threaded rod A44 to rotate, so that the slider B45 moves forward and backward, and the motor B46 drives the threaded rod B47 to rotate, so that the slider C48 is lifted and lowered, driving the rectangular block 511 to move to any position. The U-shaped part 517 is moved to wrap the pull ring 3, and the pin 518 is inserted to install the plug plate 516 and the mold core rod body 2. The motor C521 is started to rotate the bidirectional threaded rod 522, which drives the two moving blocks 524 to move relative to each other, and drives the two clamping plates 525 to approach, so that the two clamping plates 525 support the two sides of the mold outside the mold core rod body 2, so that the two sides of the mold outside the mold core rod body 2 will not slide when supporting, so that when the mold core rod body 2 is pulled, the mold will not move abnormally, which is more conducive to the extraction of the mold core rod body 2, and the oil cylinder 512 is started to drive the installation block 513 to move, so that the U-shaped part 517 pulls the pull ring 3, so that the mold core rod body 2 is extracted, and the sliding column 515 slides inside the fixed column 514, so that the movement of the installation block 513 is more stable.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A plastic molding die core rod extraction device, comprising a base (1) and a mold core rod body (2), characterized in that: A pull ring (3) is fixedly mounted on the outside of the mold core rod body (2), an adjustment mechanism (4) is arranged inside the base (1), and a withdrawal mechanism (5) is arranged outside the adjustment mechanism (4); The extraction mechanism (5) comprises an extraction component (51) and a fixing component (52), wherein the fixing component (52) is arranged inside the extraction component (51).

2. A plastic molding die core rod extraction device according to claim 1, characterized in that: The adjustment mechanism (4) comprises an electric telescopic rod (41), the electric telescopic rod (41) being fixedly mounted inside the base (1), a slider A (42) being fixedly mounted on the output end of the electric telescopic rod (41), a motor A (43) being fixedly mounted on the front of the slider A (42), a threaded rod A (44) being fixedly mounted on the output end of the motor A (43), a slider B (45) being fixedly mounted on the external thread of the threaded rod A (44), a motor B (46) being fixedly mounted on the top of the slider B (45), a threaded rod B (47) being fixedly mounted on the output end of the motor B (46), and a slider C (48) being fixedly mounted on the external thread of the threaded rod B (47).

3. A plastic molding die core rod extraction device according to claim 2, characterized in that: The slider C (48) is slidably mounted inside the slider B (45), the slider B (45) is slidably mounted inside the slider A (42), and the slider A (42) is slidably mounted inside the base (1).

4. A plastic molding die core rod extraction device according to claim 2, characterized in that: The extraction assembly (51) comprises a rectangular block (511), the rectangular block (511) being fixedly mounted on the right side of the slide block C (48), an oil cylinder (512) being arranged inside the rectangular block (511), an installation block (513) being fixedly mounted on the output end of the oil cylinder (512), two fixed columns (514) being fixedly mounted on the front side of the rectangular block (511), a sliding column (515) being slidably mounted inside the fixed column (514), and a sliding column (515) being slidably mounted inside the installation block (513). A plug plate (516) is movably installed, a U-shaped piece (517) is fixedly installed on the side of the plug plate (516) away from the mounting block (513), a latch (518) is movably installed inside the U-shaped piece (517), two springs (519) are fixedly installed inside the mounting block (513), a baffle (5110) is fixedly installed on one end of the spring (519) away from the mounting block (513), and a pull block (5111) is fixedly installed on the top of the baffle (5110).

5. A plastic molding die core rod extraction device according to claim 4, characterized in that: The pull block (5111) is slidably mounted inside the mounting block (513), the baffle (5110) is slidably mounted inside the mounting block (513), one end of the slide column (515) away from the rectangular block (511) is fixedly mounted on the mounting block (513), and the latch (518) passes through the pull ring (3).

6. A plastic molding die core rod extraction device according to claim 4, characterized in that: The fixing assembly (52) comprises a motor C (521), wherein the motor C (521) is fixedly mounted on the front side of the rectangular block (511), a bidirectional threaded rod (522) is fixedly mounted on the output end of the motor C (521), a cylinder (523) is fixedly mounted inside the rectangular block (511), two moving blocks (524) are slidably mounted outside the cylinder (523), a clamping plate (525) is fixedly mounted on the right side of the moving block (524), and an anti-slip pad (526) is fixedly mounted on the side of the clamping plate (525) close to the mold core rod body (2).

7. A plastic molding die core rod extraction device according to claim 6, characterized in that: The clamping plates (525) are slidably mounted inside the rectangular block (511), and the two clamping plates (525) are both threadedly mounted on the outside of the bidirectional threaded rod (522).

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