Section connecting device for automobile sealing rubber strip

Abstract

The utility model discloses an automobile sealing rubber strip section connecting device which comprises a bonding mechanism, a butt joint mechanism and a distance adjusting mechanism. The bonding mechanism is used for bonding and fixing the sections of the adhesive tapes together; the two butt joint mechanisms are movably arranged on the two sides of the bonding mechanism through distance adjusting mechanisms, and the butt joint mechanisms are used for adjusting the positions of adhesive tapes, so that the sections of the adhesive tapes are in butt joint in the bonding mechanism. The section butt joint of multiple groups of rubber strips can be completed at one time, and the working efficiency is improved. And through automatic operation, the butt joint efficiency is improved, and rapidness and high efficiency are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sealing rubber strip, especially relates to a section jointing device for automobile sealing rubber strip. BACKGROUND

[0002] In today's automobile industry, the sealing rubber strip as the key part of guaranteeing the waterproof, dustproof and sound insulation of vehicles, its importance is self-evident.In the production process of the sealing rubber strip, the section jointing technology is the key link of guaranteeing product quality and production efficiency.In addition to the structure of the sealing element, the butt joint bonding quality of the sealing rubber strip is one of the weak links of affecting the sealing performance of the rubber strip, and the bonding device is the important tooling of ensuring the bonding quality of the section of the sealing rubber strip, and is the key equipment of realizing the high sealing performance of the sealing rubber strip.

[0003] The existing sealing rubber strip butt joint bonding firstly mainly adopts the quick-drying glue water bonding different from the material of the sealing rubber strip, basically does not use the butt joint device to carry out butt joint bonding, and the performance requirement is low, simple and direct;Secondly, the secondary vulcanization bonding is adopted, and the appearance quality and size around the butt joint bonding surface cannot be guaranteed in the process, and the butt joint bonding is only suitable for the butt joint bonding with low sealing performance requirement.For the butt joint bonding of the sealing rubber strip with high sealing performance, the bonding quality caused by the alignment of all the bonding of the sealing rubber strip is considered, and the traditional bonding process device is just missing.If the section is not bonded, the appearance is often misaligned after butt joint bonding, and the section appearance has different degrees of micro gap.After the butt joint bonding of the sealing rubber strip, the bonding position cannot guarantee the seamless butt joint of the sealing rubber strip, and the stability and durability of the sealing performance of the sealing rubber strip are greatly affected. UTILITY MODEL CONTENTS

[0004] In view of the problems in the background art, the utility model aims at providing a section jointing device for automobile sealing rubber strip to solve the problems in the background art.

[0005] The above technical purpose of the utility model is realized by the following technical scheme.

[0006] A section jointing device for automobile sealing rubber strip, comprising a bonding mechanism, a butt joint mechanism and a distance adjusting mechanism;The bonding mechanism is used for bonding and fixing the sections of the rubber strip together;Two butt joint mechanisms are movably arranged on the two sides of the bonding mechanism through the distance adjusting mechanism, and the butt joint mechanism is used for adjusting the position of the rubber strip and completing the butt joint of the section of the rubber strip in the bonding mechanism.

[0007] The distance adjusting mechanism comprises a main support frame, two side support frames, at least two slide rods and two bottom air cylinders, the two slide rods are arranged in parallel and pass through the first base of the main support frame, the two side support frames are arranged on the two sides of the main support frame respectively, the second bases of the two side support frames are slidably connected to the slide rods respectively, and the push rods of the two bottom air cylinders are connected to the second bases of the corresponding side support frames respectively.

[0008] The bonding mechanism comprises a main advancing air cylinder and a main pressing die, the main pressing die is provided with at least two machining positions, the main advancing air cylinder is fixed to the top of the main support frame, and the main pressing die comprises a main pressing die upper die and a main pressing die lower die.

[0009] The main pressing die lower die is internally provided with a heating mechanism; the heating mechanism is a combination of one or more of a heating rod, a heating rod or a heating sheet.

[0010] The docking mechanism comprises a docking air cylinder and a docking die, the docking air cylinder is fixed to the top of the corresponding side support frame, the docking die is provided with a clamping channel corresponding to the machining position of the bonding mechanism, and the docking die comprises a docking die upper die and a docking die lower die.

[0011] The bottom of the main pressing die upper die is provided with a downward-opening upper cavity, the top of the main pressing die lower die is provided with an upward-opening lower cavity, the upper cavity and the lower cavity correspondingly form machining positions, and the machining positions are provided with positioning assemblies.

[0012] The positioning assembly comprises a lower positioning block and an upper positioning block; the lower positioning block comprises a lower positioning base, a main positioning column with a triangular cross section is arranged on the lower positioning base, the main positioning column is fixed in the lower cavity, a limiting column is arranged on each side of the main positioning column, and an avoiding channel is arranged on the top of the limiting column; the number of the upper positioning blocks is two, the two upper positioning blocks are respectively inserted and fixed between the main positioning column and the corresponding limiting column, and a lower positioning groove is formed between the two upper positioning blocks; the main positioning column, the limiting column and the upper positioning blocks can be inserted into the upper cavity, so that the lower positioning groove is correspondingly arranged with an upper positioning groove arranged in the upper cavity.

[0013] The working principle of the utility model is as follows:

[0014] (1) firstly, the sections of the several groups of adhesive strips to be bonded and docked are respectively smeared with adhesive, and at the same time, the heating mechanism in the main pressing die starts to heat;

[0015] (2) The two sections of each group of rubber strips that need to be butt-jointed are placed in the clamping channels of the butt-joint mold, and the upper mold of the butt-joint mold is pushed to clamp and fix the rubber strips by the butt-joint cylinder;

[0016] (3) The bottom cylinder is started to push the side support frame to move the butt-joint mechanism, so that the rubber strips clamped on the butt-joint mechanism are butt-jointed in the main pressing mold;

[0017] (4) The main advancing cylinder is started to make the upper mold of the main pressing mold press down, and the butt-joint of the rubber strips is completed by mold closing and heating.

[0018] In summary, the utility model mainly has the following beneficial effects:

[0019] (1) The utility model can complete the butt-joint of multiple groups of rubber strips at one time, improving the work efficiency.

[0020] (2) The utility model improves the butt-joint efficiency through automatic operation, which is fast and efficient.

[0021] (3) The design of the positioning assembly improves the versatility of the mold and is more suitable.

[0022] (4) The utility model sets an avoiding channel on the limiting column of the positioning assembly, improves the heat dissipation performance, and effectively prevents damage caused by overheating. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the structural schematic view of the utility model;

[0024] Figure 2 is the Figure 1 enlarged view of A in the utility model.

[0025] REFERENCE SIGNS:

[0026] Main advancing cylinder 11, main pressing mold 12, processing position 13, main pressing mold upper mold 14, main pressing mold lower mold 15, butt-joint cylinder 21, butt-joint mold 22, clamping channel 23, butt-joint mold upper mold 24, butt-joint mold lower mold 25, main support frame 31, side support frame 32, slide rod 33, bottom cylinder 34, first base 35, second base 36, rubber strip 4, upper cavity 51, lower cavity 52, lower positioning block 53, upper positioning block 54, lower positioning base 55, main positioning column 56, limiting column 57, avoiding channel 58, lower positioning groove 59, upper positioning groove 510. DETAILED DESCRIPTION

[0027] Example one

[0028] REFERENCE Figure 1The automobile sealing rubber strip section joint device provided by the embodiment comprises a bonding mechanism, a butt joint mechanism and a distance adjusting mechanism, the bonding mechanism is used for bonding and fixing the rubber strip sections together, the two butt joint mechanisms are movably arranged on the two sides of the bonding mechanism through the distance adjusting mechanism, and the butt joint mechanisms are used for adjusting the positions of the rubber strips and enabling the sections of the rubber strips to be butt jointed in the bonding mechanism.

[0029] The distance adjusting mechanism comprises a main support frame 31, two side support frames 32, at least two slide rods 33 and two bottom air cylinders 34, the two slide rods are arranged in parallel with each other and pass through a first base 35 of the main support frame, the two side support frames are arranged on the two sides of the main support frame respectively, second bases 36 of the two side support frames are slidably connected to the slide rods respectively, and the two bottom air cylinders are arranged outside the two side support frames respectively, and push rods of the bottom air cylinders are connected to the second bases of the corresponding side support frames.

[0030] The bonding mechanism comprises a main pushing air cylinder 11 and a main pressing die 12, at least two processing positions 13 are arranged on the main pressing die, the main pushing air cylinder is fixed to the top of the main support frame, the main pressing die comprises a main pressing die upper die 14 and a main pressing die lower die 15, the main pressing die upper die is connected to a push rod of the main pushing air cylinder, and the main pressing die lower die is fixed to the first base of the main support frame; and a heating rod is arranged in the main pressing die lower die.

[0031] The butt joint mechanism comprises a butt joint air cylinder 21 and a butt joint die 22, the butt joint air cylinder is fixed to the top of the corresponding side support frame, a clamping channel 23 is arranged on the butt joint die in correspondence with the processing position of the bonding mechanism, the butt joint die comprises a butt joint die upper die 24 and a butt joint die lower die 25, the butt joint die upper die is fixed to the top of the butt joint air cylinder, and the butt joint die lower die is fixed to the second base of the side support frame.

[0032] The working principle of the utility model is as follows:

[0033] (1) the sections of the several groups of rubber strips 4 that need to be bonded and butt jointed are smeared with bonding agent respectively, and at the same time, the heating mechanism in the main pressing die starts to heat;

[0034] (2) the two sections of the rubber strip of each group that need to be butt jointed are placed in the clamping channels of the butt joint die respectively, the butt joint die upper die is pushed by the butt joint air cylinder to clamp and fix the rubber strip;

[0035] (3) the side support frames are driven to move by starting the bottom air cylinders to drive the butt joint mechanism, so that the rubber strip clamped on the butt joint mechanism is butt jointed in the main pressing die;

[0036] (4) Start the main propulsion cylinder, so that the main pressure mold upper die down, through the mold heating, complete the continuation of the fixed strip.

[0037] Example two

[0038] Reference Figure 2 As a further supplement to example one, this embodiment is provided with an open downward upper cavity 51 at the bottom of the main pressure mold upper die, and an open upward lower cavity 52 at the top of the main pressure mold lower die. The upper cavity and the lower cavity correspond to form a processing site, and the processing site is provided with a positioning assembly.

[0039] The positioning assembly includes a lower positioning block 53 and an upper positioning block 54. The lower positioning block includes a lower positioning base 55, which is provided with a main positioning column 56 with a triangular cross-section structure. The main positioning column is fixed in the lower cavity, and each side of the main positioning column is provided with a limiting column 57, and the top of the limiting column is provided with an avoiding channel 58. The number of upper positioning blocks is two, and each upper positioning block is inserted and fixed between the main positioning column and the corresponding limiting column. The lower positioning groove 59 is formed between the two upper positioning blocks. The main positioning column, the limiting column and the upper positioning block can be inserted into the upper cavity, so that the lower positioning groove corresponds to the upper positioning groove 510 provided in the upper cavity.

[0040] In work, the strip is clamped between the upper positioning groove and the lower positioning groove, which improves the versatility of the mold, has stronger applicability, reduces the replacement frequency of the mold, and saves the cost. At the same time, the avoiding channel is provided on the limiting column of the positioning assembly, which improves the heat dissipation performance and effectively prevents the damage caused by overheating.

Claims

1. An apparatus for joining sections of a rubber strip for sealing a vehicle, characterized in that, The device comprises a bonding mechanism, a butt joint mechanism and a distance adjusting mechanism; the bonding mechanism is used for bonding and fixing the cross sections of the adhesive strips (4) together; the two butt joint mechanisms are movably arranged on the two sides of the bonding mechanism through the distance adjusting mechanism, and the butt joint mechanisms are used for adjusting the positions of the adhesive strips (4) and completing butt joint of the cross sections of the adhesive strips (4) in the bonding mechanism; The butt joint mechanism comprises a butt joint cylinder (21) and a butt joint die (22); the butt joint cylinder (21) is fixed on the top of the corresponding side support frame (32); the butt joint die (22) is provided with a clamping channel (23) corresponding to the processing position (13) of the bonding mechanism; the butt joint die (22) comprises a butt joint die upper die (24) and a butt joint die lower die (25); the butt joint die upper die (24) is fixed on the top of the butt joint cylinder (21); and the butt joint die lower die (25) is fixed on the second base (36) of the side support frame (32).

2. A device for joining the cross-sections of a rubber strip for sealing a motor vehicle according to claim 1, characterized in that The distance adjusting mechanism comprises a main support frame (31), two side support frames (32), at least two slide rods (33) and two bottom cylinders (34); the two slide rods (33) are arranged in parallel with each other and pass through the first base (35) of the main support frame (31); the two side support frames (32) are arranged on the two sides of the main support frame (31) respectively; the second bases (36) of the two side support frames (32) are slidably connected to the slide rods (33) respectively; and the two bottom cylinders (34) are arranged outside the two side support frames (32) respectively, and the push rods of the bottom cylinders (34) are connected to the second bases (36) of the corresponding side support frames (32) respectively.

3. A device for joining the sections of a rubber strip for sealing a motor vehicle according to claim 2, characterized in that The bonding mechanism comprises a main push cylinder (11) and a main pressing die (12); the main pressing die (12) is provided with at least two processing positions (13); the main push cylinder (11) is fixed on the top of the main support frame (31); the main pressing die (12) comprises a main pressing die upper die (14) and a main pressing die lower die (15); the main pressing die upper die (14) is connected to the push rod of the main push cylinder (11); and the main pressing die lower die (15) is fixed on the first base (35) of the main support frame (31).

4. A device for joining the sections of a rubber strip for sealing a motor vehicle according to claim 3, characterized in that The main pressing die lower die (15) is provided with a heating mechanism.

5. A device for joining the sections of a rubber strip for sealing a motor vehicle according to claim 4, characterized in that The heating mechanism is one or a combination of a heating rod, a heating rod or a heating sheet.

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