New rubber profile trimming machine

Abstract

The present invention relates to a new type of rubber profile trimming machine, comprising a stand, a conveyor belt driven by a motor is arranged on the stand, a cutting mechanism is arranged in the middle of the stand and above the conveyor belt; the cutting mechanism comprises a bracket, an upper and lower positioning part, a left and right positioning part and a cutting part; the bracket comprises a crossbeam and a pillar, the upper and lower positioning part comprises a front and rear two-stage clamping roller group; the left and right positioning part comprises a left and right two rows of parallel positioning roller groups; the cutting part comprises an electric cutter; the upper and lower positioning part, the left and right positioning part and the cutting part can all be adjusted in position by adjusting nuts arranged on the crossbeam or the pillar. The new type of rubber profile trimming machine of the present invention can meet the cutting needs of straight strip rubber profiles with different structures, and has extremely strong versatility.

Description

Technical Field

[0001] The invention belongs to the technical field of rubber profile trimming, and in particular relates to a novel rubber profile trimming machine. Background Art

[0002] Most of the rubber profiles for aircraft are rubber-fabric-metal composite structures, which are formed by compression vulcanization. During the molding process, rubber edges will be formed on the mold parting surface and other parts. The rubber edges are usually a composite form of rubber and fabric. Before the product is delivered, trimming is required.

[0003] At present, the trimming of rubber profiles in China is generally done by manual trimming, which is the most traditional trimming method. It requires operators to manually use scissors or blades to cut off the excess rubber edges of the product. This operation process has obvious defects: ① This operation process is prone to excessive trimming or uneven surface due to manual errors, resulting in product scrapping, and strict operating skills are required of operators; ② The quality and speed of manual trimming of rubber profiles vary from person to person and are difficult to control; ③ The manual trimming operation has low production efficiency, which affects the delivery progress when production tasks are concentrated. Summary of the invention

[0004] The invention provides a novel rubber profile trimming machine, which solves the technical problems of large workload, unstable quality and low efficiency in the prior art of manual trimming.

[0005] In order to achieve the above object, the technical solution of the present invention is as follows:

[0006] A novel rubber profile trimming machine comprises a frame, a conveyor belt driven by a motor is arranged on the frame, and a cutting mechanism is arranged in the middle of the frame and above the conveyor belt;

[0007] The cutting mechanism is arranged in the shell, and includes a bracket, an upper and lower positioning part, a left and right positioning part and a cutting part; the bracket includes a crossbeam and a pillar, the upper and lower positioning part includes two front and rear sections of clamping roller groups, the clamping roller group includes a plurality of clamping rollers arranged in sequence longitudinally, and the clamping roller provides a downward pre-tightening force through a torsion spring; the left and right positioning part includes two left and right rows of parallel positioning roller groups, and each row of positioning roller groups includes a plurality of roller strings arranged in sequence; the cutting part includes an electric cutter; the upper and lower positioning parts, the left and right positioning parts and the cutting part can all be adjusted in position by adjusting nuts arranged on the crossbeam or the pillar.

[0008] Furthermore, the housing includes a glass frame and an organic protective glass arranged on the glass frame.

[0009] Furthermore, a receiving tray is arranged at the lower part of the frame, directly opposite to the bottom of the cutting mechanism.

[0010] Furthermore, the trimmer also includes a dust suction device, and a dust suction port of the dust suction device passes through the organic protective glass and is placed near the electric cutter.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. Strong versatility: There are many types of rubber profiles for aircraft, and the cross-sectional shapes are different, mainly hollow P-shaped profiles, hollow Ω profiles, solid rubber strips, etc. The new rubber profile trimming machine can meet the cutting of straight rubber profiles with different structures, and has strong versatility;

[0013] 2. Aircraft rubber profiles have a certain degree of flexibility and are mostly hollow structures. Smaller contact stress is required to achieve product positioning and ensure that the product is not squeezed and deformed. If the product position is offset or squeezed and deformed during operation, it will cause excessive trimming or damage to the product, resulting in direct product scrapping. The positioning device of the new rubber profile trimming machine can be adjusted up and down, left and right. The upper and lower parts are used to press the handle of the product to prevent the grinding wheel of the electric cutter from shaking during the high-speed rotation and cutting of the product; two rows of rollers are used on the left and right to fix the lateral position of the product. The rubber profile is easy to fix and easy to operate.

[0014] 3. Roller positioning, low friction, easy sliding: The technical difficulty of product positioning during the trimming process is that the positioning system must not only meet the product positioning requirements to prevent the product from shifting in relative position in the lateral and vertical directions when the product moves in a straight line along the conveyor belt, but also meet the requirements of low friction with the positioning device to prevent excessive friction from hindering the product from moving longitudinally along the conveyor belt. The new rubber profile trimming machine uses rollers for lateral positioning to ensure that the product will not shift laterally. The roller design can effectively reduce the friction of the rubber profile when it moves along the conveyor belt, while avoiding possible surface wear of the product during the friction process. The product is easy to slide and accurately positioned during operation;

[0015] 4. The trimming edge of the product is smooth: the scissors used in traditional manual trimming can easily cause uneven trimming of the product, and even cause the product size to be out of tolerance. The new rubber profile trimming machine can position the product and use an electric cutter to cut it into shape in one go, effectively solving the problem of uneven trimming of the fabric. The cut product is smooth and flat, with no scratches or excessive trimming on the surface.

[0016] 5. Can cut composite structures of metal coated in rubber: When rubber is coated with metal, the metal is relatively hard and cannot be cut by the scissors used in traditional manual trimming. The new rubber profile trimming machine uses a grinding wheel as a cutting tool, which can cut metal simply and quickly at high speed.

[0017] 6. Mechanization and automation are achieved, the operation is simple and fast, and the efficiency is improved: Manual trimming requires strong patience and coordination of the employees. Some operators move too slowly or use too much force, which results in low trimming efficiency and easy damage to the product surface. Therefore, when manual trimming is used, it is necessary to select suitable employees to perform trimming work. When a large number of products need to be trimmed, human resources need to be allocated reasonably. The use of the new rubber profile trimming machine realizes the mechanization and automation of trimming operations. The process is simple and fast, which significantly improves the trimming efficiency and trimming quality. In actual production, the trimming efficiency can be increased by 5 to 10 times. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, drawings of other embodiments can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 is a schematic diagram of a positioning device of the present invention;

[0021] In the figure, 1-stand, 2-motor, 3-conveyor belt, 4-cutting mechanism, 5-crossbeam, 6-pillar, 7-pressing roller group, 8-positioning roller group, 9-electric cutter, 10-adjusting nut, 11-glass frame, 12-organic protective glass, 13-receiving tray, 14-positioning roller frame. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0023] The invention optimizes and improves the trimming of rubber profiles, designs a novel rubber profile trimming machine, is used to improve the trimming efficiency and product quality, and realizes the mechanization and automation of the trimming operation.

[0024] See also Figure 1-Figure 2A novel rubber profile trimming machine shown in the figure comprises a stand 1, on which a conveyor belt 3 driven by a motor 2 is arranged, and a cutting mechanism 4 is arranged in the middle of the stand 1 and above the conveyor belt 3; the conveyor belt 3 is used to realize the automatic feeding function, and the rubber profile moves linearly in the longitudinal direction along with the conveyor belt 3 and is cut by the cutting mechanism 4.

[0025] The cutting mechanism is arranged in the housing, including a bracket, an upper and lower positioning part, a left and right positioning part and a cutting part; the bracket includes a crossbeam 5 and a support 6, the upper and lower positioning part includes a front and rear two-stage clamping roller group 7, the clamping roller group 7 includes a plurality of clamping rollers arranged in sequence longitudinally, and the clamping roller 7 provides a downward preload force through a torsion spring ( Figure 2 Only one section of the pressing roller group 7 is shown in the figure. The front and rear sections of the pressing roller group 7 can effectively prevent the seal from jumping up and down during the cutting process. The left and right positioning parts include two rows of parallel positioning roller groups 8. The two rows of parallel positioning roller groups 8 are arranged on the crossbeam 5 through the positioning roller frame 14. Each row of positioning roller groups 8 includes multiple groups of roller strings arranged in sequence ( Figure 2 Only one row of positioning roller groups 8 is shown in the figure), and the positioning roller groups 8 arranged in parallel on the left and right sides clamp the seal between the two rows of positioning rollers to prevent left and right shaking. At the same time, the friction coefficient between the rollers and the rubber profile is small and easy to slide; the cutting part includes an electric cutter 9; the upper and lower positioning parts, the left and right positioning parts and the cutting part can all be adjusted in position by the adjusting nuts 10 arranged on the crossbeam 5 or the pillar 6, and can be adjusted according to different product shapes and specifications in actual operation.

[0026] The outer shell includes a glass frame 11 and an organic protective glass 12 arranged on the glass frame 11, which protects the safety of the operator and prevents the dust generated during cutting from being blown out. A receiving tray 13 is arranged at the lower part of the stand, directly opposite to the bottom of the cutting mechanism. The trimming machine also includes a dust suction device, and the dust suction port of the dust suction device passes through the organic protective glass and is placed near the electric cutter. The grinding wheel of the electric cutter will generate dust and waste rubber edges during the process of cutting rubber profiles. The dust suction port of the dust suction device extends into the organic glass to absorb the dust, which can effectively prevent dust from flying in the air. The receiving tray 13 is placed at the lower part of the stand, and the waste rubber edges generated will flow into the receiving tray 13, so that the waste generated in the whole process can be effectively controlled.

[0027] The following is an example of a typical hollow P-shaped profile to illustrate the specific operation steps of the present invention as follows:

[0028] Step 1: Place the dust suction port of the dust suction device through the organic protective glass near the electric cutter;

[0029] Step ②: Place one end of the rubber profile flat between the two rows of rollers, and adjust the left and right positioning devices so that the rollers clamp the rubber profile to ensure that the rubber profile does not deviate laterally;

[0030] Step 3: Adjust the upper and lower positioning devices to press the rubber profile to prevent the rubber profile from shifting up and down during the cutting process;

[0031] Step ④, adjust the position of the electric cutter so that the grinding wheel of the cutter is aligned with the rubber edge of the rubber profile;

[0032] Step 5: Turn on the vacuum cleaner;

[0033] Step ⑥, turn on the electric cutter, turn on the transmission device, and allow the rubber profile to pass through the electric cutter along the conveyor belt;

[0034] Step ⑦: After cutting, turn off the equipment and check whether the edge is cut well. The product is cut neatly and the surface is not damaged.

[0035] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. New rubber profile trimming machine, characterized by: It comprises a stand (1), on which a conveyor belt (3) driven by a motor (2) is arranged, and a cutting mechanism (4) is arranged in the middle of the stand (1) and above the conveyor belt (3); The cutting mechanism is arranged in the housing, and comprises a bracket, an upper and lower positioning part, a left and right positioning part and a cutting part; the bracket comprises a crossbeam (5) and a pillar (6); the upper and lower positioning part comprises a front and rear two-stage pressing roller group, the pressing roller group comprises a plurality of pressing rollers arranged in sequence longitudinally, the pressing roller group provides a downward pre-tightening force through a torsion spring, and the front and rear two-stage pressing roller groups can effectively prevent the seal from jumping up and down during the cutting process; the left and right positioning part comprises left and right two rows of parallel positioning roller groups (8), the two rows of parallel positioning roller groups (8) are arranged on the crossbeam (5) through a positioning roller frame (14), each row of positioning roller groups (8) comprises a plurality of roller strings arranged in sequence, and the two rows of parallel positioning roller groups (8) clamp the seal between the two rows of positioning rollers; the cutting part comprises an electric cutter (9); the upper and lower positioning part, the left and right positioning part and the cutting part can all be adjusted in position by an adjusting nut (10) arranged on the crossbeam (5) or the pillar (6); The housing comprises a glass frame (11) and an organic protective glass (12) arranged on the glass frame (11); A receiving tray (13) is arranged at the lower part of the frame, directly below the cutting mechanism; The trimmer also includes a dust suction device, and a dust suction port of the dust suction device passes through the organic protective glass and is placed near the electric cutter.

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