CN114932649A

CN114932649A - Preparation process of sealing ring for automobile

Info

Publication number: CN114932649A
Application number: CN202210532570.XA
Authority: CN
Inventors: 毕树烽; 段成艳; 范海君; 陈碧娟; 韦小香; 王有强; 雷宁; 刘兴华; 毛荣学
Original assignee: Guangzhou Xinqiang Automotive Components Co ltd
Current assignee: Guangzhou Xinqiang Automotive Components Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-23

Abstract

The invention discloses a preparation process of an automobile sealing ring, which relates to the field of sealing ring processing processes and aims at solving the problems of more product defects and low production efficiency in the existing preparation process of the automobile sealing ring. The device has a novel structure, the double curing stations of the device are reasonable in structural layout, the device structure is simplified, the production efficiency of the device is improved, automatic and accurate feeding of silica gel raw materials is realized, material waste and finished product flaws are avoided, the labor cost is reduced, and the device is worthy of popularization.

Description

Preparation process of sealing ring for automobile

Technical Field

The invention relates to the field of sealing ring processing technology, in particular to a preparation technology of a sealing ring for an automobile.

Background

The sealing material is used on the automobile in a large amount, the sealing ring is the most common one, the sealing ring is made of different materials and has different properties, the high and low temperature difference resistance of the silica gel sealing ring is superior to most of rubber, and the silica gel sealing ring can still keep elasticity in a low-temperature environment, so that the sealing effect is still reliable;

different from injection molding, the general manufacturing process of the silica gel sealing ring comprises the following steps: the method comprises the steps of firstly placing strip-shaped or block-shaped colloidal silica raw materials in a mold, fully extruding the silica raw materials into a mold cavity of the mold through high pressure after mold closing, curing at a high temperature for a period of time to shape the silica, taking away the silica after opening the mold, wherein the formed silica sealing ring still has a large amount of residues which need to be manually removed, which is caused by the defects of the processing technology and almost cannot be avoided, the main reason is that the using amount of the silica raw materials for extrusion forming is required to be larger than the required amount of the mold cavity, otherwise, the problem that the mold cavity cannot be fully filled is easily caused, so that the defects of material shortage, bubbles and the like of the final sealing ring finished product are caused, sufficient silica raw materials are provided, the redundant parts can overflow to form a layer of film-shaped silica gel residues to be adhered to the sealing ring, and the product quality and the production efficiency are obviously influenced by the defects of the technology.

Disclosure of Invention

The invention provides a preparation process of a sealing ring for an automobile, which solves the problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

the preparation process of the sealing ring for the automobile comprises production equipment, wherein the production equipment is automatically operated by switching double stations and comprises two sets of curing stations for curing and shaping the sealing ring, one set of feeding mechanism for automatically feeding the curing stations and a base for supporting a structure, a moving mechanism is laid on the top end face of the base, the two sets of curing stations are distributed at two ends of the base, the feeding mechanism is positioned between the two sets of curing stations, the moving mechanism comprises a linear rail, a sliding block and a sliding seat, and a lower die in the curing stations reciprocates between the curing stations and the feeding mechanism through the sliding seat;

feed mechanism comprises two sets of first electronic slip tables and a set of electronic slip tables of second, just the casing both ends of the electronic slip table of second are connected with the slip table of two sets of electronic slip tables of first, the gluey mouth that is used for the material loading is installed to the slip table of the electronic slip table of second, the drive of first electronic slip table and the electronic slip table of second is glued the mouth and is removed in the arbitrary direction of level, feed mechanism's bottom is provided with feed mechanism, feed mechanism is the screw rod pressure boost feed, just feed mechanism is through the material pipe to gluing the mouth feed.

Preferably, the base includes two sets of equipment cabinets, and is two sets of the both ends that the equipment cabinet kept away from each other all are provided with the operation panel, and are two sets of be provided with the flat board between the equipment cabinet, two sets of curing station sets up respectively in the top of equipment cabinet, feed mechanism set up with dull and stereotyped top, feeding mechanism is provided with dull and stereotyped bottom.

Preferably, the curing station comprises a frame, an upper die is horizontally arranged in the frame, a hydraulic cylinder is arranged at the top end of the frame, the top end of the upper die is fixedly connected with the bottom end of a piston rod of the hydraulic cylinder, guide rods are vertically and upwards arranged at four corners of the upper die, and the guide rods are all in sliding sleeve connection with the frame.

Preferably, the both ends of first electronic slip table all are provided with first switching piece, just the bottom of first switching piece all is provided with the support, the vertical downward and dull and stereotyped fixed connection of support, just the casing both ends of the electronic slip table of second all set up second switching piece, and are two sets of second switching piece respectively with the slip table fixed connection of two sets of electronic slip tables of first, first electronic slip table is mutually perpendicular with the electronic slip table of second, just first electronic slip table all is the level setting with the electronic slip table of second.

Preferably, the slip table of the electronic slip table of second is and sets up downwards, just slip table fixedly connected with mount pad, the mount pad is the style of calligraphy of falling concave, just the mount pad is fixed to have cup jointed the adapter, the top of adapter is connected with the joint, just the material pipe is through connecting and adapter intercommunication, the jiao zui is installed in the bottom of adapter, the jiao zui is vertical setting downwards.

Preferably, the linear rail passes through feed mechanism, slider and linear rail sliding connection, two sets of the bed die all disposes the slide, and every group slide all disposes four groups of sliders, and every group slide all disposes a lead screw, a motor cabinet and a first motor.

Preferably, the first motor is connected with the motor bases, the two sets of motor bases are respectively installed on two sides of each operating platform, the two sets of motor bases, the first motor and the screw rods are distributed in a position staggered mode, the two sets of screw rods are parallel to each other, the two sets of screw rods are respectively in threaded connection with the bottoms of the two sets of sliding seats in a matching mode, and the first motor is in coaxial connection with the corresponding screw rods.

Preferably, the feeding mechanism is composed of a screw machine and a second motor, the second motor is connected with the input shaft end of the screw machine, and a charging bucket is arranged at the top end feeding port of the screw machine.

Preferably, a blocking rod is arranged on one side, located on the material pipe, of the feeding mechanism, and the material pipe is in lap joint with the blocking rod.

The preparation process of the sealing ring for the automobile comprises the following process flows:

s1, defining the two sets of curing stations as a first station and a second station respectively, wherein in the first station, the upper die is pulled upwards through a hydraulic cylinder, and a corresponding first motor drives a sliding seat and a lower die to move towards the direction of the feeding mechanism through a lead screw until the two sets of curing stations reach the position right below the feeding mechanism and stop;

s2, the feeding mechanism drives the glue nozzle to move along the lower die cavity according to a set path through the first electric sliding table and the second electric sliding table, and silica gel raw materials are supplied to the glue nozzle through the feeding mechanism, so that the glue nozzle moves and is filled with the silica gel raw materials, and the purpose of accurate feeding is achieved;

s3, after the feeding is finished, the lower die returns to the first station along the linear rail, and the hydraulic cylinder drives the upper die and the lower die to be closed for heating and curing;

s4, when the first station is cured, the feeding mechanism is in an idle state, and at the moment, the second station automatically feeds materials in the same way and returns to the curing;

and S5, when the curing at any position of the first station or the second station is finished, opening the upper die and the lower die, moving the lower die to an operation table under the driving of the first motor and the screw rod, manually taking away the sealing ring, and after the material is taken, continuing the next process cycle by the equipment.

The invention has the beneficial effects that:

1. the device is provided with two sets of first motors, a screw rod, a sliding seat and a sliding block in a parallel staggered manner, and is used for driving lower dies in the two sets of curing stations to move between the curing stations, the feeding mechanism and the operating platform, and the two sets of curing stations mutually use curing time difference to share one feeding mechanism for automatic feeding, so that the equipment structure is obviously simplified, and the equipment production efficiency is improved.

2. This feed mechanism is built by electronic slip table of first electronic slip table and second to the mouth carries out horizontal migration is glued in the mode drive of numerical control, carries out numerical control programming through the die cavity position to the bed die, realizes gluing the mouth and removes along setting for the route and carry out coating, drives the screw rod machine through the second motor and to gluing mouth ration feed, realizes accurate material loading.

To sum up, the device has reasonable structural layout of double curing stations, simplifies the structure of the device, improves the production efficiency of the device, realizes automatic and accurate feeding of silica gel raw materials, avoids material waste and finished product flaws, reduces labor cost, and is worthy of popularization.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of the present invention after switching the production status in FIG. 1.

Fig. 3 is a schematic structural diagram of the moving mechanism of the present invention.

Fig. 4 is a schematic diagram of the curing station of the present invention.

Fig. 5 is a schematic structural view of the feeding mechanism of the present invention.

Fig. 6 is a schematic structural view of the nozzle of the present invention.

Reference numbers in the figures: 1. a base; 101. an equipment cabinet; 102. an operation table; 103. a flat plate; 104. a wire track; 105. a screw rod; 106. a slider; 107. a slide base; 108. a motor base; 109. a first motor; 2. a curing station; 201. a frame; 202. a guide bar; 203. a hydraulic cylinder; 204. an upper die; 205. a lower die; 3. a feeding mechanism; 301. a first electric sliding table; 302. a first transfer block; 303. a support; 304. a second electric sliding table; 305. a second transfer block; 306. a mounting seat; 307. a transfer seat; 308. a joint; 309. a rubber nozzle; 310. a gear lever; 4. a feeding mechanism; 401. a screw machine; 402. a second motor; 403. a material pipe.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the preparation process of the sealing ring for the automobile comprises production equipment, wherein the production equipment is switched between two stations and automatically operates, and comprises two sets of curing stations 2 for curing and shaping the sealing ring, a set of feeding mechanism 3 for automatically feeding the curing stations 2 and a base 1 for supporting a structure, a moving mechanism is laid on the top end face of the base 1, the two sets of curing stations 2 are distributed at two ends of the base 1, the feeding mechanism 3 is positioned between the two sets of curing stations 2, the moving mechanism comprises a linear rail 104, a sliding block 106 and a sliding seat 107, and a lower die 205 in the curing stations 2 reciprocates between the curing stations 2 and the feeding mechanism 3 through the sliding seat 107; the linear rail 104 penetrates through the feeding mechanism 3, the sliding blocks 106 are connected with the linear rail 104 in a sliding mode, the two groups of lower dies 205 are respectively provided with the sliding bases 107, each group of sliding bases 107 is provided with four groups of sliding blocks 106, each group of sliding bases 107 is provided with a screw rod 105, a motor base 108 and a first motor 109, the first motors 109 are connected with the motor bases 108, the two groups of motor bases 108 are respectively installed on two sides, away from each other, of the two groups of operation platforms 102, the two groups of motor bases 108, the first motors 109 and the screw rods 105 are distributed in a position staggered mode, the two groups of screw rods 105 are parallel to each other, the two groups of screw rods 105 are respectively connected with the bottoms of the two groups of sliding bases 107 in a matching threaded mode, and the first motors 109 are coaxially connected with the corresponding screw rods 105;

as shown in fig. 1, 2 and 3, the lower mold of one set of curing stations shown in fig. 1 is automatically fed, and the upper and lower mold assemblies of the other set of curing stations are curing; FIG. 2 shows that the loaded lower mold returns to a curing station for mold closing and curing, and the lower mold moves to the end of the operation table after curing and mold opening are completed at another station; the device is provided with two sets of first motors 109, a screw rod 105, a sliding seat 107 and a sliding block 106 in a parallel staggered manner, and is used for driving a lower die 205 in two sets of curing stations 2 to reciprocate between the curing stations 2 and a feeding mechanism 3, and the two sets of curing stations 2 mutually use curing time difference to share one feeding mechanism 3 for automatic feeding, so that the equipment structure is obviously simplified, and the equipment production efficiency is improved.

The feeding mechanism 3 is composed of two sets of first electric slide tables 301 and one set of second electric slide tables 304, two ends of the shell of the second electric sliding table 304 are connected with two groups of sliding tables of the first electric sliding table 301, the sliding table of the second electric sliding table 304 is provided with a glue nozzle 309 for feeding, the first electric sliding table 301 and the second electric sliding table 304 drive the glue nozzle 309 to move in any horizontal direction, the bottom end of the feeding mechanism 3 is provided with a feeding mechanism 4, the feeding mechanism 4 supplies materials for screw pressurization, and the feeding mechanism 4 feeds the glue nozzle 309 through the material pipe 403, the base 1 comprises two sets of equipment cabinets 101, operation platforms 102 are arranged at two ends, far away from each other, of the two groups of equipment cabinets 101, a flat plate 103 is arranged between the two groups of equipment cabinets 101, the two groups of curing stations 2 are respectively arranged at the top ends of the equipment cabinets 101, the feeding mechanism 3 is arranged at the top end of the flat plate 103, and the feeding mechanism 4 is arranged at the bottom end of the flat plate 103; the feeding mechanism 4 consists of a screw machine 401 and a second motor 402, the second motor 402 is connected with the input shaft end of the screw machine 401, and a charging bucket is arranged at the feed inlet at the top end of the screw machine 401;

as shown in fig. 5, the feeding mechanism 3 is constructed by a first electric sliding table 301 and a second electric sliding table 304, the glue nozzle 309 is driven to move horizontally in a numerical control manner, the position of the mold cavity of the lower mold 205 is programmed in a numerical control manner, the glue nozzle 309 moves along a set route to perform coating, and the second motor 402 drives the screw machine 401 to feed the glue nozzle 309 quantitatively, so that accurate feeding is realized.

Curing station 2 includes frame 201, and the level is provided with mould 204 in the frame 201, and the top of frame 201 is provided with pneumatic cylinder 203, goes up mould 204's top and the piston rod bottom fixed connection of pneumatic cylinder 203, and the four corners of going up mould 204 is vertical upwards to be provided with guide arm 202, and guide arm 202 all is sliding sleeve with frame 201.

The two ends of the first electric sliding table 301 are respectively provided with a first transfer block 302, the bottom end of each first transfer block 302 is provided with a support 303, the supports 303 are vertically and downwards fixedly connected with the flat plate 103, and the two ends of the shell of the second electric sliding table 304 are respectively provided with a second transfer block 305, the two groups of second transfer blocks 305 are respectively and fixedly connected with the sliding tables of the two groups of first electric sliding tables 301, the first electric sliding tables 301 are mutually vertical to the second electric sliding tables 304, the first electric sliding table 301 and the second electric sliding table 304 are both horizontally arranged, the sliding table of the second electric sliding table 304 is downwards arranged, the sliding table is fixedly connected with an installation base 306, the installation base 306 is in an inverted concave shape, the installation base 306 is fixedly sleeved with an adapter 307, the top end of the adapter 307 is connected with a joint 308, the material pipe 403 is communicated with the adapter 307 through a joint 308, the rubber nozzle 309 is installed at the bottom end of the adapter 307, and the rubber nozzle 309 is vertically arranged downwards.

A blocking rod 310 is disposed on one side of the feeding mechanism 3 located on the material pipe 403, and the material pipe 403 overlaps with the blocking rod 310, where the blocking rod 310 is disposed to avoid the material pipe 403 from winding around the lower mold 205.

s1, defining the two sets of curing stations 2 as a first station and a second station respectively, wherein in the first station, the upper die 204 is pulled up through the hydraulic cylinder 203, and the corresponding first motor 109 drives the sliding seat 107 and the lower die 205 to move towards the feeding mechanism 3 through the lead screw 105 until the two sets of curing stations stop at the position right below the feeding mechanism 3;

s2, the feeding mechanism 3 drives the glue nozzle 309 to move along the die cavity of the lower die 205 according to a set path through the first electric sliding table 301 and the second electric sliding table 304, and silica gel raw materials are provided for the glue nozzle 309 through the feeding mechanism 4, so that the glue nozzle 309 moves and is filled with the silica gel raw materials at the same time, and the purpose of accurate feeding is achieved;

s3, after the feeding is finished, the lower die 205 returns to the first station along the linear rail 104, and the hydraulic cylinder 203 drives the upper die 204 and the lower die 205 to be matched for heating and curing;

s4, when the first station is cured, the feeding mechanism 3 is in an idle state, and at the moment, the second station automatically feeds materials in the same way and returns to the curing;

and S5, when the curing at any position of the first station or the second station is finished, opening the upper die and the lower die, moving the lower die 205 to the operating platform 102 under the driving of the first motor 109 and the screw rod 105, manually taking the sealing ring away, and after the material is taken, continuing the next process cycle by the equipment.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications may be made, which should also be regarded as the protection scope of the present invention, and other parts of the present invention which are not described in detail belong to the prior art, and therefore are not described herein again, and finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The preparation process of the sealing ring for the automobile comprises production equipment and is characterized in that the production equipment is automatically operated through double-station switching and comprises two curing stations (2) for curing and shaping the sealing ring, a feeding mechanism (3) for automatically feeding the curing stations (2) and a base (1) for supporting a structure, a moving mechanism is laid on the top end face of the base (1), the two curing stations (2) are distributed at two ends of the base (1), the feeding mechanism (3) is located between the two curing stations (2), the moving mechanism comprises a linear rail (104), a sliding block (106) and a sliding seat (107), and a lower die (205) in the curing station (2) reciprocates between the curing stations (2) and the feeding mechanism (3) through the sliding seat (107);

feed mechanism (3) comprise two sets of first electronic slip tables (301) and a set of electronic slip table (304) of second, just the casing both ends of electronic slip table (304) of second are connected with the slip table of two sets of electronic slip tables (301), the gluey mouth (309) that are used for the material loading are installed to the slip table of electronic slip table (304) of second, mouth (309) are glued in the drive of electronic slip table (301) of first and second (304) and remove in the arbitrary direction of level, the bottom of feed mechanism (3) is provided with feed mechanism (4), feed mechanism (4) are the feed of screw rod pressure boost, just feed mechanism (4) are to gluey mouth (309) feed through material pipe (403).

2. The preparation process of the sealing ring for the automobile according to claim 1, wherein the base (1) comprises two sets of equipment cabinets (101), operation platforms (102) are arranged at two ends, far away from each other, of the two sets of equipment cabinets (101), a flat plate (103) is arranged between the two sets of equipment cabinets (101), the two sets of curing stations (2) are respectively arranged at the top ends of the equipment cabinets (101), the feeding mechanism (3) is arranged at the top end of the flat plate (103), and the feeding mechanism (4) is arranged at the bottom end of the flat plate (103).

3. The preparation process of the sealing ring for the automobile according to claim 2, wherein the curing station (2) comprises a frame (201), an upper mold (204) is horizontally arranged in the frame (201), a hydraulic cylinder (203) is arranged at the top end of the frame (201), the top end of the upper mold (204) is fixedly connected with the bottom end of a piston rod of the hydraulic cylinder (203), guide rods (202) are vertically and upwardly arranged at four corners of the upper mold (204), and the guide rods (202) are all in sliding sleeve connection with the frame (201).

4. The preparation technology of the sealing ring for the automobile according to claim 1, wherein a first transfer block (302) is arranged at each of two ends of the first electric sliding table (301), a support (303) is arranged at each of the bottom ends of the first transfer blocks (302), the supports (303) are vertically and downwardly fixedly connected with the flat plate (103), a second transfer block (305) is arranged at each of two ends of a housing of the second electric sliding table (304), two sets of the second transfer blocks (305) are respectively fixedly connected with the sliding tables of the two sets of the first electric sliding tables (301), the first electric sliding tables (301) are perpendicular to the second electric sliding tables (304), and the first electric sliding tables (301) and the second electric sliding tables (304) are horizontally arranged.

5. The preparation technology of sealing washer for car according to claim 4, characterized in that, the slip table of second electronic slip table (304) is downward setting, just slip table fixedly connected with mount pad (306), mount pad (306) are the style of calligraphy of falling concave, just mount pad (306) are fixed cup jointed adapter (307), the top of adapter (307) is connected with joint (308), just material pipe (403) are through connecting (308) and adapter (307) intercommunication, install in the bottom of adapter (307) gluey mouth (309), gluey mouth (309) are vertical downward setting.

6. The preparation process of the sealing ring for the automobile according to claim 5, wherein the linear rail (104) passes through the feeding mechanism (3), the sliding blocks (106) are slidably connected with the linear rail (104), two groups of lower dies (205) are provided with sliding bases (107), each group of sliding bases (107) is provided with four groups of sliding blocks (106), and each group of sliding bases (107) is provided with a lead screw (105), a motor base (108) and a first motor (109).

7. The preparation process of the sealing ring for the automobile according to claim 6, wherein the first motor (109) is connected with a motor base (108), two sets of the motor bases (108) are respectively installed at two sides of two sets of the operation platforms (102) far away from each other, the two sets of the motor bases (108), the first motor (109) and the screw rods (105) are distributed in a position staggered manner, the two sets of the screw rods (105) are parallel to each other, the two sets of the screw rods (105) are respectively connected with the bottoms of two sets of the sliding bases (107) in a matching threaded manner, and the first motor (109) is coaxially connected with the corresponding screw rods (105).

8. The preparation process of the sealing ring for the automobile according to claim 1, wherein the feeding mechanism (4) is composed of a screw machine (401) and a second motor (402), the second motor (402) is connected with the input shaft end of the screw machine (401), and a charging bucket is arranged at the top end feeding port of the screw machine (401).

9. The preparation process of the sealing ring for the automobile according to claim 8, wherein a stop rod (310) is arranged on one side of the feeding mechanism (3) on the material pipe (403), and the material pipe (403) is overlapped with the stop rod (310).

10. The process for preparing the sealing ring for the automobile according to any one of claims 1 to 9, wherein the process flow is as follows:

s1, defining the two curing stations (2) as a first station and a second station respectively, wherein in the first station, the upper die (204) is pulled upwards through the hydraulic cylinder (203), and the corresponding first motor (109) drives the sliding seat (107) and the lower die (205) to move towards the direction of the feeding mechanism (3) through the screw rod (105) until the two curing stations stop at the position right below the feeding mechanism (3);

s2, the feeding mechanism (3) drives the glue nozzle (309) to move along the die cavity of the lower die (205) according to a set path through the first electric sliding table (301) and the second electric sliding table (304), and silica gel raw materials are supplied to the glue nozzle (309) through the feeding mechanism (4), so that the glue nozzle (309) moves and is filled with the silica gel raw materials, and the purpose of accurate feeding is achieved;

s3, after the feeding is finished, the lower die (205) returns to the first station along the linear rail (104), and the hydraulic cylinder (203) drives the upper die (204) and the lower die (205) to be closed for heating and curing;

s4, when the first station is cured, the feeding mechanism (3) is in an idle state, and at the moment, the second station automatically feeds materials in the same way and returns to the curing;

s5, when the curing at any position of the first station or the second station is finished, opening the upper die and the lower die, moving the lower die (205) to the operating platform (102) under the driving of the first motor (109) and the screw rod (105), manually taking the sealing ring away, and after the material is taken, continuing the next process cycle by the equipment.