CN217318816U

CN217318816U - Silica gel O type circle blowing frock

Info

Publication number: CN217318816U
Application number: CN202121136009.7U
Authority: CN
Inventors: 王博; 李志程; 华红红
Original assignee: Qingdao Hilywill Advanced Materials Technology Co ltd
Current assignee: Qingdao Hilywill Advanced Materials Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-08-30
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to a silica gel O-shaped ring discharging tool, which has the key points of the technical proposal that the tool comprises a top mounting plate, a bottom mounting plate and a plurality of guide posts positioned between the top mounting plate and the bottom mounting plate; the guide post is fixedly connected with the bottom mounting plate, the guide post axially penetrates through the top mounting plate, and the top mounting plate is connected with the guide post in a sliding manner along the axis direction of the guide post; the lower part of the bottom mounting plate is fixedly provided with a plurality of positioning columns; the guide post sleeve is provided with a return spring, and two ends of the return spring are respectively abutted against the top mounting plate and the bottom mounting plate; a plurality of material clamping blocks are fixed on the lower part of the bottom mounting plate, and positioning grooves are formed in the lower surfaces of the material clamping blocks; a plurality of ejection holes axially penetrating through the material clamping block are formed in the positioning groove; a plurality of ejector rods are fixed on the lower part of the top mounting plate and correspond to the ejector holes one by one; the utility model discloses can be quick place the location with silica gel rubber embryo on moulded die, production efficiency is high.

Description

Silica gel O type circle blowing frock

Technical Field

The utility model relates to a O type circle production frock technical field especially relates to a silica gel O type circle blowing frock.

Background

In the existing rubber product industry, a mould for producing an O-shaped ring with the inner diameter of more than 80mm by using silicon rubber generally adopts a mould pressing structure, namely, the silicon rubber is processed into a long-strip rubber blank according to certain size and weight, then the silicon rubber strips are placed in an annular cavity of the mould one by one, and vulcanization molding is carried out under certain pressure, temperature and time. The common discharging mode of adhesive tapes such as fluorine rubber, nitrile rubber and the like in the general rubber product industry is a bushing structure, but because the characteristics of silicon rubber materials are soft and easy to adhere, the problem that the adhesive cannot fall off on a tool exists in the use of silicon rubber, and the existing production mode is generally manually placing the adhesive tapes on a mold, so that the placing operation time of the adhesive tapes on the mold is long, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a silica gel O type circle blowing frock, can be quick place the location with silica gel rubber embryo on forming die, production efficiency is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: a silica gel O-shaped ring discharging tool comprises a top mounting plate, a bottom mounting plate and a plurality of guide posts arranged between the top mounting plate and the bottom mounting plate; the guide post is fixedly connected with the bottom mounting plate, the guide post axially penetrates through the top mounting plate, and the top mounting plate is connected with the guide post in a sliding manner along the axis direction of the guide post; a plurality of positioning columns for being inserted with the die guide sleeves are fixed at the lower part of the bottom mounting plate; the guide post sleeve is provided with a return spring, and two ends of the return spring are respectively abutted against the top mounting plate and the bottom mounting plate; a plurality of material clamping blocks are fixed on the lower part of the bottom mounting plate, and positioning grooves for placing silica gel blanks are formed in the lower surfaces of the material clamping blocks; a plurality of ejection holes axially penetrating through the material clamping block are formed in the positioning groove; the lower part of the top mounting plate is fixedly provided with a plurality of ejector rods which can axially penetrate through the ejection holes, and the ejector rods are in one-to-one correspondence with the ejection holes.

According to the technical scheme, when the silica gel O-shaped ring discharging tool is used for auxiliary discharging of the silica gel blank, the silica gel blank is placed in the positioning grooves of the clamping blocks in advance, and the silica gel blank has certain viscosity, and the width of each positioning groove is set to be slightly smaller than the diameter of the silica gel blank, so that the silica gel blank is not easy to separate from the positioning grooves; after the die is opened, inserting the positioning columns into the guide sleeves of the die, and aligning the positioning grooves of the clamping blocks of the tool with the die cavities of the die respectively; pressing the top mounting plate, enabling the ejector rod to move downwards along with the top mounting plate and further penetrate through the ejector hole, and ejecting the silica gel blank in the positioning groove to fall into each die cavity of the die; the oppression to the top mounting panel is loosened, and then under reset spring's effort, the top mounting panel returns upper portion initial position to accomplish the location of placing of silica gel rubber embryo on forming die fast, convenient operation, work efficiency is high.

Preferably, the lower part of the material clamping block is provided with a protruding material clamping block lower surface positioning core, and the positioning core is used for positioning the silica gel blank in a sleeved mode.

Through above-mentioned technical scheme, set up the location core through the lower part at the clamp splice, and then through cup jointing silica gel stock and location core, carry out the installation location to the silica gel stock to can make things convenient for the efficient to install the silica gel stock in positioning groove.

Preferably, the ejector rod comprises a main body part and an ejection part positioned at the lower end of the main body part, and the diameter of the main body part is larger than that of the ejection part; and a positioning step for abutting and positioning the upper surface of the bottom mounting plate is formed at the connecting position of the main body part and the ejecting part.

Through the technical scheme, the ejector rod comprises the main body part and the ejection part, and then the positioning step at the joint of the main body part and the ejection part is abutted to the surface of the bottom mounting plate, so that the downward movement stroke of the ejector rod is limited.

Preferably, four guide columns are arranged and are respectively arranged at four corners of the top mounting plate; and the two sides of the top mounting plate are respectively provided with an operating handle, and the two ends of the operating handles are respectively fixedly connected with the guide columns.

Through above-mentioned technical scheme, through the top both sides at the top mounting panel set up with guide post fixed connection's operating handle, and then make things convenient for the staff to wholly take the removal to the frock through operating handle to it is more convenient when operating.

Preferably, the guide posts on the upper part of the top mounting plate are respectively sleeved with a positioning tube, and the lower end of the positioning tube is fixedly connected with the bottom mounting plate.

Through above-mentioned technical scheme, through the setting of registration arm, and then fix a position the top mounting panel when reset spring kick-backs to reduce when operating the top mounting panel, the motion stroke of top installation, thereby it is more convenient when the operation.

Preferably, the lower end of the positioning column is provided with a conical surface portion with a cross section gradually decreasing from top to bottom.

Through the technical scheme, the conical surface part with the cross section gradually reduced from top to bottom is arranged at the lower end of the positioning column, so that the positioning column can be more conveniently inserted into the guide sleeve of the die, and the tool can be more conveniently installed and positioned.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic structural diagram of the use condition of a silica gel O-shaped ring discharging tool

FIG. 2 is a top view of a silica gel O-shaped ring discharging tool.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a cross-sectional view of the elevator block.

Figure 5 is a cross-sectional view embodying a locating post.

Fig. 6 is a schematic structural view of the jack.

Wherein, 1, a top mounting plate; 2. a bottom mounting plate; 3. a guide post; 4. a material clamping block; 41. a positioning groove; 42. a positioning core; 43. an ejection aperture; 5. a positioning column; 51. a conical surface portion; 52. a clamp spring; 6. a return spring; 7. a top rod; 71. a main body portion; 72. a push-out part; 73. positioning a step; 74. connecting a stud; 8. a positioning tube; 9. the handle is operated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

the utility model provides a silica gel O type circle blowing frock, hereinafter is called the blowing frock for short, refers to fig. 1 and fig. 2, includes top mounting panel 1, bottom mounting panel 2 and a plurality of guide post 3 that is located between top mounting panel 1 and the bottom mounting panel 2. In fig. 1, M is a mold for vulcanization molding of the silicone O-ring. The guide posts 3 are four and are respectively arranged at four corners of the top mounting plate 1.

Guide post

3 and 2 fixed connection of bottom mounting panel, the guide post 3 axial runs through top mounting panel 1, top mounting panel 1 along 3 axis directions of guide post and 3 sliding connection of guide post. The lower part of the bottom mounting plate 2 is fixed with a plurality of clamping blocks 4, and the clamping blocks 4 are used for placing and positioning silica gel rubber blanks. And the four lower corners of the bottom mounting plate 2 are respectively fixed with positioning columns 5, and the positioning columns 5 are used for being spliced with the die guide sleeves.

Referring to fig. 1 and 2, the guide post 3 is sleeved with a return spring 6, and two ends of the return spring 6 are respectively abutted to the top mounting plate 1 and the bottom mounting plate 2. The guide post 3 on the upper portion of top mounting panel 1 has cup jointed registration arm 8 respectively, the lower extreme and the bottom mounting panel 2 fixed connection of registration arm 8. The two sides of the top mounting plate 1 are respectively provided with an operating handle 9, and the two ends of the operating handle 9 are respectively fixedly connected with the guide columns 3.

Referring to fig. 3 and 4, a positioning groove 41 for placing the silica gel blank is formed in the lower surface of the clamping block 4, and the width of the positioning groove 41 is slightly smaller than the diameter of the silica gel blank to be installed. The lower part of the clamp block 4 is provided with a positioning core 42 protruding out of the lower surface of the clamp block 4. The diameter of the positioning core 42 is smaller than the diameter of the inner ring of the silica gel blank to be installed and used. A plurality of ejection holes 43 axially penetrating through the material clamping block 4 are arranged at the positioning groove 41. The lower part of the top mounting plate 1 is fixed with a plurality of ejector rods 7 which can axially penetrate through the ejection holes 43, and the ejector rods 7 correspond to the ejection holes 43 one by one. When the discharging tool is used for discharging the silica gel blank, the silica gel blank is mounted in the positioning groove 41 of each material clamping block 4 in advance, and the silica gel blank is soft in characteristic and easy to adhere, so that the silica gel blank is not easy to fall out of the positioning groove 41. When installing the silica gel stock, cup joint the silica gel stock with location core 42 to can convenient and fast install the location to the silica gel stock, thereby install the silica gel stock in positioning groove 41.

After the mold is opened, the positioning columns 5 are inserted into the guide sleeves of the mold, so that the discharge tool is installed and positioned, and the positioning grooves 41 of the clamping blocks 4 are aligned with the mold cavities of the mold respectively. By pressing the top mounting plate 1 downwards, each ejector rod 7 is driven to move downwards, so that the ejector rods 7 are used for ejecting the silica gel blanks out of the positioning grooves 41, and the silica gel blanks fall into each die cavity of the die. After the silica gel blank is placed, the pressure on the top mounting plate 1 is released, and then the top mounting plate 1 returns to the initial position under the action of the return spring 6.

Referring to fig. 5, the lower end of the positioning post 5 is provided with a tapered surface portion 51 having a cross section gradually decreasing from top to bottom. Through the arrangement of the conical surface part 51, the positioning column 5 is more easily inserted into the guide sleeve of the mold. The positioning column 5 is inserted on the bottom mounting plate 2, an annular groove is formed in the circumferential surface of the upper end of the positioning column 5, a clamp spring 52 is arranged in the annular groove, and the positioning column 5 is mounted and positioned through the clamp spring 52.

Referring to fig. 6, the lift pin 7 includes a body portion 71 and a push-out portion 72 located at a lower end of the body portion 71, and a diameter of the body portion 71 is larger than a diameter of the push-out portion 72. A positioning step 73 for positioning the upper surface of the bottom mounting plate 2 in abutment is formed at the position where the body portion 71 and the ejector portion 72 are connected. When ejector pin 7 downstream, through location step 73 and bottom mounting panel 2 upper surface butt, and then carry on spacingly to the stroke of ejector pin 7 to avoid the staff when the operation, lead to the fact the destruction to the silica gel stock because of pressing excessively. The body 71 has a connecting stud 74 at its upper end, and the push rod 7 is mounted on the bottom mounting plate 2 by threadedly engaging the connecting stud 74 with a screw hole provided in the bottom mounting plate 2.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a silica gel O type circle blowing frock which characterized in that: comprises a top mounting plate (1), a bottom mounting plate (2) and a plurality of guide columns (3) positioned between the top mounting plate (1) and the bottom mounting plate (2); the guide post (3) is fixedly connected with the bottom mounting plate (2), the guide post (3) axially penetrates through the top mounting plate (1), and the top mounting plate (1) is connected with the guide post (3) in a sliding manner along the axial direction of the guide post (3); a plurality of positioning columns (5) which are used for being inserted with the die guide sleeves are fixed on the lower part of the bottom mounting plate (2); the guide post (3) is sleeved with a return spring (6), and two ends of the return spring (6) are respectively abutted with the top mounting plate (1) and the bottom mounting plate (2); a plurality of material clamping blocks (4) are fixed on the lower part of the bottom mounting plate (2), and positioning grooves (41) for placing silica gel blanks are formed in the lower surfaces of the material clamping blocks (4); a plurality of ejection holes (43) axially penetrating through the material clamping block (4) are formed in the positioning groove (41); the lower part of the top mounting plate (1) is fixed with a plurality of ejector rods (7) capable of axially penetrating through the ejection holes (43), and the ejector rods (7) are in one-to-one correspondence with the ejection holes (43).

2. The silica gel O-shaped ring discharging tool according to claim 1, characterized in that: the lower part of material piece (4) is provided with protrusion material piece (4) lower surface location core (42) of pressing from both sides, location core (42) are used for cup jointing the location to the silica gel stock.

3. The silica gel O-shaped ring discharging tool according to claim 1, characterized in that: the ejector rod (7) comprises a main body part (71) and an ejection part (72) positioned at the lower end of the main body part (71), and the diameter of the main body part (71) is larger than that of the ejection part (72); and a positioning step (73) for abutting and positioning the upper surface of the bottom mounting plate (2) is formed at the connecting position of the main body part (71) and the ejecting part (72).

4. The silica gel O-shaped ring discharging tool according to claim 1, which is characterized in that: the four guide posts (3) are arranged and are respectively arranged at four corners of the top mounting plate (1); the two sides of the top mounting plate (1) are respectively provided with an operating handle (9), and the two ends of the operating handles (9) are respectively fixedly connected with the guide columns (3).

5. The silica gel O-shaped ring discharging tool according to claim 4, wherein the tool comprises: guide post (3) on the upper portion of top mounting panel (1) have cup jointed registration arm (8) respectively, the lower extreme and bottom mounting panel (2) fixed connection of registration arm (8).

6. The silica gel O-shaped ring discharging tool according to claim 1, which is characterized in that: the lower end of the positioning column (5) is provided with a conical surface part (51) with the cross section gradually decreasing from top to bottom.