Pitched roof elastic needle reset structure

Abstract

The utility model discloses a pitched roof vibrating needle resetting structure which comprises a pitched roof rod arranged on a fixed mold, a sliding mold is arranged on one side of the fixed mold, a sliding groove used for assisting in sliding connection of the pitched roof rod is formed in the fixed mold, and a driving mechanism used for assisting in driving of the pitched roof rod is arranged on the fixed mold. The ejector pin assembly is arranged at the top of the angle ejector rod and comprises a mounting groove formed in the upper end of the angle ejector rod, and an ejector pin is connected to the mounting groove in a sliding mode. According to the reset structure of the pitched roof vibrating needle, when the ejector pin shrinks, the sealing assembly is used for sealing the ejector disc and the positioning groove, a gap is avoided, forming machining of a mold is facilitated, when the ejector pin is ejected out, formed materials are assisted to be stripped through the ejector disc, in the ejection and discharging process, the ejection area is increased through the ejector disc, and the ejection efficiency is improved. And the ejection and stripping effects are ensured, and meanwhile, the probability of ejection damage of the materials is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of mold forming processing, in particular to a tilted ejector pin resetting structure. Background Art

[0002] The reference patent number CN215151517U provides a tilted ejector pin reset structure, including a tilted ejector rod, a tilted ejector head is provided on the top of the tilted ejector rod, and a pin assembly is provided in the tilted ejector head. The utility model adopts a yellow spring and a pin reset insert to jointly ensure the rebound of the tilted ejector pin, double insurance, safe and reliable operation, and only needs to be optimized on the ordinary tilted ejector structure, without requiring additional space and adding no additional cost. The overall structure is simple and maintenance is convenient, reducing unnecessary downtime and maintenance costs.

[0003] In the process of assisting material removal by the spring pin in the above technical solution, since the head of the spring pin itself is relatively sharp, it is easy to damage the material by directly pushing against the material. Secondly, the resetting and sliding of the spring pin will produce a gap between the mold body and the mold body, affecting the quality of the mold forming process.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] A tilted ejector pin reset structure comprises a tilted ejector rod arranged on a fixed mold, a sliding mold is arranged on one side of the fixed mold, a sliding groove is arranged inside the fixed mold for assisting the sliding connection of the tilted ejector rod, a driving mechanism is arranged on the fixed mold for assisting the driving of the tilted ejector rod, and also comprises a pin assembly arranged on the top of the tilted ejector rod, the pin assembly comprises a mounting groove arranged on the upper end of the tilted ejector rod, a ejector pin is slidably connected to the mounting groove, one end of the ejector pin is located at the front side of the tilted ejector rod and is fixed with a ejector plate, a positioning groove for positioning the ejector plate is arranged on the front side of the tilted ejector rod, a guide assembly for guiding the ejector pin connection is arranged inside the mounting groove, an extrusion assembly for driving the ejector pin is arranged on the tilted ejector rod, and a sealing assembly for sealing inside the positioning groove is arranged on the ejector plate.

[0007] The sealing component comprises an annular groove formed on the top plate, an annular rubber airbag is installed inside the annular groove, and a plurality of inflation components for inflating the inside of the annular rubber airbag are arranged on one side of the top plate close to the positioning groove.

[0008] The inflation assembly includes an air cylinder installed on one side of the top plate, the air cylinder is communicated with the interior of the annular rubber airbag, the interior of the air cylinder is slidably connected to a piston plate, one end of the air cylinder is slidably connected to a push rod, one end of the push rod is fixed to the piston plate, and a first spring is sleeved on the outer side of the push rod.

[0009] The guide assembly includes a strip plate arranged inside the mounting groove, one end of the ejector pin is fixed to the strip plate, a plurality of sleeves are fixed on the strip plate, a slide rod is slidably connected to the sleeve, one end of the slide rod is fixed to the inner wall of the mounting groove, and a second spring is sleeved on the outer side of the sleeve.

[0010] The extrusion assembly comprises a transmission plate fixed on the upper end of the strip plate, the upper end of the transmission plate is provided with an inclined surface, and the upper end of the inclined ejector rod is connected with a transmission rod for resisting the inclined surface for transmission through a sliding assembly.

[0011] The sliding assembly includes a sliding groove opened on the inclined ejector rod, the transmission rod is slidably connected to the sliding groove, a fixing ring is fixed to the outer side of the transmission rod, a third spring is sleeved on the outer side of the transmission rod, and the two ends of the third spring are respectively connected to the inner wall of the mounting groove and the fixing ring.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The inclined ejector pin reset structure of the utility model can seal the ejector plate and the positioning groove through the sealing component when the ejector pin contracts, so as to avoid a gap and facilitate the molding process of the mold; when the ejector pin is ejected, the ejector plate assists in removing the molded material, and in the process of ejecting the material, the ejection area is increased by the ejector plate, so as to ensure the ejection effect and reduce the probability of material damage during ejection.

[0014] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In the attached picture:

[0016] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the fixed mold and inclined ejector structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the elastic needle assembly, the guide assembly, the extrusion assembly and the sliding assembly of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the sealing component and the inflation component of the utility model.

[0020] In the figure: 101-fixed mold; 102-sliding mold; 103-sliding groove; 104-oblique ejector rod; 105-driving mechanism; 201-mounting groove; 202-thrust pin; 203-elevator plate; 204-positioning groove; 301-strip plate; 302-sleeve; 303-sliding rod; 304-second spring; 401-transmission plate; 402-inclined surface; 403-transmission rod; 501-sliding groove; 502-fixing ring; 503-third spring; 701-annular groove; 702-annular rubber airbag; 801-air cylinder; 802-piston plate; 803-push rod; 804-first spring. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0022] like Figures 1 to 4 As shown, a tilting ejector pin reset structure includes a tilting ejector rod 104 arranged on a fixed mold 101, a sliding mold 102 is arranged on one side of the fixed mold 101, a sliding groove 103 for assisting the tilting ejector rod 104 to slide and connect is opened inside the fixed mold 101, a driving mechanism 105 for assisting the tilting ejector rod 104 to drive is arranged on the fixed mold 101, and also includes an elastic needle assembly arranged on the top of the tilting ejector rod 104, and the elastic needle assembly includes a mounting groove 201 opened on the upper end of the tilting ejector rod 104, and the mounting groove 201 is arranged on the upper end of the tilting ejector rod 104. An ejector pin 202 is slidably connected to the mounting groove 201, one end of the ejector pin 202 is located at the front side of the inclined ejector rod 104 and fixed with an ejector plate 203, a positioning groove 204 for positioning the ejector plate 203 is provided at the front side of the inclined ejector rod 104, a guide assembly for connecting and guiding the ejector pin 202 is provided inside the mounting groove 201, an extrusion assembly for driving the ejector pin 202 is provided on the inclined ejector rod 104, and a sealing assembly for sealing inside the positioning groove 204 is provided on the ejector plate 203;

[0023] During the molding process, when the ejector pin 202 contracts, the sealing component is used to seal the top plate 203 and the positioning groove 204 to avoid a gap, thereby facilitating the molding process of the mold. When the ejector pin 202 is ejected, the top plate 203 assists in removing the molded material. During the ejection process, the top plate 203 increases the ejection area, thereby ensuring the ejection effect and reducing the probability of material damage.

[0024] The sealing component includes an annular groove 701 formed on the top plate 203, an annular rubber airbag 702 is installed inside the annular groove 701, and a plurality of inflatable components for inflating the inside of the annular rubber airbag 702 are arranged on one side of the top plate 203 close to the positioning groove 204; during the contraction movement of the ejector pin 202, the inside of the annular rubber airbag 702 is inflated by the plurality of inflatable components, and under the action of the inflation, the annular rubber airbag 702 expands and abuts against the inner wall of the positioning groove 204, thereby sealing the top plate 203 and the positioning groove 204 to avoid a gap, thereby facilitating the molding process of the mold.

[0025] The inflation component includes an air cylinder 801 installed on one side of the top plate 203, the air cylinder 801 is communicated with the interior of the annular rubber airbag 702, the interior of the air cylinder 801 is slidably connected to a piston plate 802, one end of the air cylinder 801 is slidably connected to a push rod 803, one end of the push rod 803 is fixed to the piston plate 802, and a first spring 804 is sleeved on the outer side of the push rod 803; during the contraction movement of the ejector pin 202, the top plate 203 is driven to move toward the interior of the positioning groove 204, and during the movement, the push rod 803 on each air cylinder 801 is abutted against the interior of the positioning groove 204, pushing the piston plate 802 to move inside the air cylinder 801, and through the movement of the piston plate 802, part of the gas inside the air cylinder 801 is rushed into the interior of the annular rubber airbag 702, and the interior of the annular rubber airbag 702 is inflated.

[0026] The guide assembly includes a strip plate 301 arranged inside the mounting groove 201, one end of the ejector pin 202 is fixed to the strip plate 301, a plurality of sleeves 302 are fixed to the strip plate 301, a slide rod 303 is slidably connected to the sleeve 302, one end of the slide rod 303 is fixed to the inner wall of the mounting groove 201, and a second spring 304 is sleeved on the outer side of the sleeve 302; the sleeve 302 and the slide rod 303 are used to guide the telescopic movement of the strip plate 301 and the ejector pin 202 after being subjected to force, and the second springs 304 are used to facilitate the reset movement of the ejector pin 202.

[0027] The extrusion assembly includes a transmission plate 401 fixed on the upper end of the strip plate 301, and a slope 402 is provided on the upper end of the transmission plate 401. The upper end of the inclined ejector rod 104 is connected to a transmission rod 403 for transmitting against the slope 402 through a sliding assembly; the sliding mold 102 is driven to move toward the fixed mold 101 for mold closing. During the mold closing process, the sliding mold 102 is against the transmission rod 403, pushing the transmission rod 403 to move toward the inside of the mounting groove 201.

[0028] The sliding assembly includes a sliding groove 501 opened on the inclined ejector rod 104, the transmission rod 403 is slidably connected to the sliding groove 501, a fixing ring 502 is fixed to the outer side of the transmission rod 403, and a third spring 503 is sleeved on the outer side of the transmission rod 403, and the two ends of the third spring 503 are respectively connected to the inner wall of the installation groove 201 and the fixing ring 502; the sliding groove 501 facilitates the sliding of the transmission rod 403, and the fixing ring 502 and the third spring 503 facilitate the reset of the transmission rod 403 after movement.

[0029] During the mold forming process, the sliding mold 102 is driven to move toward the fixed mold 101 to close the mold. During the closing process, the sliding mold 102 abuts against the transmission rod 403, pushing the transmission rod 403 to move toward the inside of the installation groove 201. During the movement of the transmission rod 403, one end of the transmission rod 403 abuts against the inclined surface 402 on the transmission plate 401, driving the strip plate 301 and the ejector pin 202 to move toward the inside of the installation groove 201 for contraction.

[0030] During the contraction movement of the ejector pin 202, the ejector plate 203 is driven to move toward the inside of the positioning groove 204. During the movement, the push rods 803 on each gas cylinder 801 abut against the inside of the positioning groove 204, pushing the piston plate 802 to move inside the gas cylinder 801. Through the movement of the piston plate 802, part of the gas inside the gas cylinder 801 is rushed into the inside of the annular rubber airbag 702, and the inside of the annular rubber airbag 702 is inflated. Under the action of inflation, the annular rubber airbag 702 expands and abuts against the inner wall of the positioning groove 204, thereby sealing the ejector plate 203 and the positioning groove 204 to avoid a gap, thereby facilitating the molding process of the mold.

[0031] After the forming process is completed, the sliding mold 102 is driven to open the mold. During the movement, the transmission rod 403 no longer contacts the inclined surface 402. At this time, the strip plate 301 is reset under the elastic force of each second spring 304. During the resetting of the strip plate 301, the ejector pin 202 drives the ejector plate 203 to move outward. The outward movement of the ejector plate 203 assists in the removal of the formed material. During the ejection process, the ejection area is increased by the ejector plate 203 to ensure the ejection effect while reducing the probability of material damage.

Claims

1. A tilted ejector pin reset structure, comprising: A tilting rod (104) is arranged on a fixed mold (101), a sliding mold (102) is arranged on one side of the fixed mold (101), a sliding groove (103) for assisting the tilting rod (104) in sliding connection is opened inside the fixed mold (101), and a driving mechanism (105) for assisting the driving of the tilting rod (104) is arranged on the fixed mold (101); It is characterized by further comprising: A spring needle assembly is arranged at the top of an inclined ejector rod (104), the spring needle assembly comprising a mounting groove (201) opened at the upper end of the inclined ejector rod (104), a ejector pin (202) being slidably connected to the mounting groove (201), one end of the ejector pin (202) being located at the front side of the inclined ejector rod (104) and fixed with a top plate (203), a positioning groove (204) for positioning the top plate (203) being arranged at the front side of the inclined ejector rod (104), a guide assembly for connecting and guiding the ejector pin (202) being arranged inside the mounting groove (201), an extrusion assembly for driving the ejector pin (202) being arranged on the inclined ejector rod (104), and a sealing assembly for sealing inside the positioning groove (204) being arranged on the top plate (203).

2. The tilted ejector pin reset structure according to claim 1, characterized in that: The sealing component comprises an annular groove (701) formed on a top plate (203), an annular rubber airbag (702) being installed inside the annular groove (701), and a plurality of inflation components for inflating the inside of the annular rubber airbag (702) are arranged on one side of the top plate (203) close to the positioning groove (204).

3. The tilted ejector pin reset structure according to claim 2, characterized in that: The inflation assembly comprises an air cylinder (801) mounted on one side of the top plate (203), the air cylinder (801) being communicated with the interior of the annular rubber airbag (702), the interior of the air cylinder (801) being slidably connected to a piston plate (802), one end of the air cylinder (801) being slidably connected to a push rod (803), one end of the push rod (803) being fixed to the piston plate (802), and a first spring (804) being sleeved on the outer side of the push rod (803).

4. The tilted ejector pin reset structure according to claim 1, characterized in that: The guide assembly comprises a strip plate (301) arranged inside the mounting groove (201), one end of the ejector pin (202) is fixed to the strip plate (301), a plurality of sleeves (302) are fixed to the strip plate (301), a slide rod (303) is slidably connected to the sleeve (302), one end of the slide rod (303) is fixed to the inner wall of the mounting groove (201), and a second spring (304) is sleeved on the outer side of the sleeve (302).

5. The tilted ejector pin reset structure according to claim 4, characterized in that: The extrusion assembly comprises a transmission plate (401) fixed on the upper end of the strip plate (301), the upper end of the transmission plate (401) is provided with an inclined surface (402), and the upper end of the inclined lift rod (104) is connected to a transmission rod (403) for resisting against the inclined surface (402) for transmission via a sliding assembly.

6. The tilted ejector pin reset structure according to claim 5, characterized in that: The sliding assembly comprises a sliding groove (501) provided on the inclined lift rod (104), the transmission rod (403) is slidably connected to the sliding groove (501), a fixing ring (502) is fixed on the outer side of the transmission rod (403), a third spring (503) is sleeved on the outer side of the transmission rod (403), and two ends of the third spring (503) are respectively connected to the inner wall of the installation groove (201) and the fixing ring (502).

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