Trimming device for rubber product manufacturing

Abstract

The utility model discloses a trimming device for manufacturing rubber products, which comprises a bottom plate, a rotatable worktable is embedded on the surface of the bottom plate, a rubber workpiece is arranged at the top of the worktable, a support is fixedly connected to the top of the bottom plate, a connecting block is fixedly connected to the inner side of the support, and a plurality of clamping blocks are fixedly connected to the inner side of the connecting block. A guide rod is fixedly connected to the surface of the connecting block, sleeve blocks are arranged on the two sides of the surface of the guide rod in a sleeving mode, trimming blades are movably connected to the two sides of the front face of each sleeve block through pin shafts, and the sides, away from the sleeve blocks, of the trimming blades extend to the two sides of the rubber workpiece and make contact with the surface of the rubber workpiece; and an adjusting structure is arranged at the top of the sleeve block. The trimming blades on the inner side and the outer side make contact with the inner edge and the outer edge of the rubber workpiece at the same time, cutter switching or repeated positioning is not needed, the trimming efficiency is remarkably improved, the workbench rotates to drive the workpiece to move, the blades automatically adapt to the edge contour through contact pressure, and operation steps are simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber product manufacturing technical field, concretely is a kind of rubber product manufacturing and edging device. BACKGROUND

[0002] Rubber product refers to natural rubber or synthetic rubber as main raw material, the product with elasticity, wear resistance, anti-aging etc. characteristics manufactured by processing molding process.

[0003] For example, Chinese patent network discloses patent application No. 202420375803.4, and the patent name is a rubber product manufacturing and edging device, including support platform, solves the edging device in prior art generally by manual use of edging knife to be handled to annular rubber product, the process of edging is time-consuming and laborious, cannot effectively guarantee the edging quality of annular rubber product after edging handling, may appear uneven edge of annular rubber product etc., to affect the normal use of annular rubber product, although there is part of device in prior art can be handled to annular rubber product, but these devices cannot effectively adjust device whole according to the specification of annular rubber product, the device in prior art cannot effectively fix annular rubber product when being handled to annular rubber product, to affect the effect of annular rubber product after edging.

[0004] But existing edging device mainly relies on single blade to trim the edge of rubber product, and the inner and outer edges of rubber product need to switch trimming state and repeat operation steps in processing process, so that the trimming efficiency of rubber product is affected.

[0005] Therefore, it is necessary to design and reform the edging device for rubber product manufacturing. UTILITY MODEL CONTENT

[0006] To solve the problems in the above background art, the utility model aims to provide an edging device for rubber product manufacturing, which has the advantage of improving trimming efficiency and solves the problem that existing edging devices mainly rely on single blade to trim the edge of rubber product, and the inner and outer edges of rubber product need to switch trimming state and repeat operation steps in processing process, resulting in the trimming efficiency of rubber product being affected.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an edging device for rubber product manufacturing, comprising a bottom plate;

[0008] The surface of the bottom plate is inlaid with a rotatable workbench, the top of the workbench is provided with a rubber workpiece, the top of the bottom plate is fixedly connected with a support, the inner side of the support is fixedly connected with a connecting block, the surface of the connecting block is fixedly connected with a guide rod, the surfaces of the guide rods are both sleeved with sleeve blocks, the two sides of the front surface of each sleeve block are movably connected with trimming blades through a pin shaft, one side of each trimming blade away from the sleeve block extends to the two sides of the rubber workpiece and is in contact with the surface of the rubber workpiece, and the top of each sleeve block is provided with an adjusting structure.

[0009] As preferred in the utility model, the adjusting structure comprises a connecting frame fixedly connected to the top of the sleeve block, a bidirectional screw rod movably connected to the inside of the connecting frame through a bearing, and screw sleeves threadedly connected to the surfaces of the bidirectional screw rod, a sleeve plate fixedly connected to the front surface of the trimming blade, and a sliding rod fixedly connected to the front surface of the screw sleeve and located in the inside of the sleeve plate.

[0010] As preferred in the utility model, the surface of the guide rod is threadedly connected with a nut, and the nut is located on the two sides of the sleeve block and clamps and positions the sleeve block.

[0011] As preferred in the utility model, the outer ends of the bidirectional screw rods all penetrate through the connecting frame and extend to the outside of the connecting frame, and the outer ends of the bidirectional screw rods are fixedly connected with torsion blocks located outside the connecting frame.

[0012] As preferred in the utility model, the bidirectional screw rod is hollow, a transmission rod located at the top of the guide rod is movably connected to the inside of the connecting block through a bearing, and the two ends of the transmission rod all sequentially penetrate through the connecting frame and the bidirectional screw rod and extend to the inside of the bidirectional screw rod.

[0013] As preferred in the utility model, the surface of the transmission rod is provided with a key groove, and the bidirectional screw rod and the transmission rod are slidably connected through the key groove.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The inner and outer trimming blades of the utility model simultaneously contact the inner and outer edges of the rubber workpiece, without switching the cutting tools or repeatedly positioning, so that the trimming efficiency is significantly improved, the workbench drives the workpiece to move, the blade automatically adapts to the edge profile through the contact pressure, and the operation steps are simplified.

[0016] 2. The bidirectional screw rod drives the two screw sleeves to synchronously and reversely move through the threads, the linear accurate control of the distance between the blades is realized, the sliding connection between the sliding rod and the sleeve plate limits the lateral deviation of the blade, the blade keeps vertical movement in the adjusting process, the angle deviation is avoided to affect the trimming quality.

[0017] 3、The utility model discloses a screw cap is used to fix the sleeve block position through the thread locking force, prevents the displacement of blade due to vibration or cutting resistance in the trimming process, guarantees the processing accuracy.

[0018] 4、The utility model discloses a torsion block provides the manual operation interface, need not tool to rotate screw rod quickly, reduces the adjustment complexity.

[0019] 5、The utility model discloses a transmission rod utilizes the key groove to drive both sides bidirectional screw rod synchronous rotation, ensures that the blade interval of both sides is symmetrical adjustment, avoids the trimming unevenness of one -sided deviation.

[0020] 6、The utility model discloses a key groove provides mechanical occlusion, prevents the slip between transmission rod and screw rod, ensures the reliable transmission of torque. DRAWINGS

[0021] Figure 1 It is the structure schematic drawing of the utility model;

[0022] Figure 2 It is the local structure schematic drawing of the utility model;

[0023] Figure 3 It is the rear view schematic drawing of the local structure of the utility model;

[0024] Figure 4 It is the utility model Figure 2 A place enlarged structure schematic drawing of the utility model.

[0025] In the drawing: 1, bottom plate;2, workbench;3, rubber workpiece;4, support;5, connecting block;6, guide rod;7, sleeve block;8, trimming blade;9, adjusting structure;10, connecting frame;11, bidirectional screw rod;12, screw sleeve;13, sleeve plate;14, sliding rod;15, screw cap;16, torsion block;17, transmission rod;18, key groove. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] As Figures 1 to 4 shown, the utility model provides an edge trimming device for rubber product manufacturing, including bottom plate 1;

[0028] The surface of the bottom plate 1 is inlaid with a rotatable workbench 2, the top of the workbench 2 is provided with a rubber workpiece 3, the top of the bottom plate 1 is fixedly connected with a support 4, the inner side of the support 4 is fixedly connected with a connecting block 5, the surface of the connecting block 5 is fixedly connected with a guide rod 6, the surface of the guide rod 6 is sleeved with a sleeve block 7 on both sides, the front sides of the sleeve block 7 are movably connected with trimming blades 8 through pin shafts, one side of the trimming blades 8 away from the sleeve block 7 extends to both sides of the rubber workpiece 3 and is in contact with the surface of the rubber workpiece 3, the top of the sleeve block 7 is provided with an adjusting structure 9, and the adjusting structure 9 can adjust the spacing of the trimming blades 8.

[0029] Reference Figure 4 The adjusting structure 9 comprises a connecting frame 10 fixedly connected to the top of the sleeve block 7, a bidirectional screw rod 11 movably connected to the inside of the connecting frame 10 through a bearing, screw sleeves 12 threadedly connected to the surface of the bidirectional screw rod 11 on both sides, a sleeve plate 13 fixedly connected to the front side of the trimming blade 8, and a sliding rod 14 fixedly connected to the inside of the sleeve plate 13 on the front side of the screw sleeve 12 and slidably connected with the sleeve plate 13.

[0030] As a technical optimization scheme of the utility model, the bidirectional screw rod 11 drives the screw sleeves 12 on both sides to move synchronously and reversely through threads, linear accurate control of the spacing of the blades is realized, the sliding connection of the sliding rod 14 and the sleeve plate 13 limits the lateral deviation of the blades, the blades keep vertical movement in the adjusting process, and the angle deviation is avoided to affect trimming quality.

[0031] Reference Figure 3 The surface of the guide rod 6 is threadedly connected with a nut 15, and the nut 15 is located on both sides of the sleeve block 7 and clamps and positions the sleeve block 7.

[0032] As a technical optimization scheme of the utility model, the nut 15 fixes the position of the sleeve block 7 through thread locking force, displacement of the blades due to vibration or cutting resistance in the trimming process is prevented, and processing accuracy is ensured.

[0033] Reference Figure 4 The outer ends of the bidirectional screw rod 11 penetrate through the connecting frame 10 and extend to the outside of the connecting frame 10, and the outer ends of the bidirectional screw rod 11 are fixedly connected with torsion blocks 16 located outside the connecting frame 10.

[0034] As a technical optimization scheme of the utility model, the torsion blocks 16 provide a manual operation interface, the screw rod can be quickly rotated without tools, and the adjustment complexity is reduced.

[0035] Reference Figure 4 The bidirectional screw rod 11 is in a hollow shape, the inside of the connecting block 5 is movably connected with a transmission rod 17 located at the top of the guide rod 6 through a bearing, and the two ends of the transmission rod 17 sequentially penetrate through the connecting frame 10 and the bidirectional screw rod 11 and extend to the inside of the bidirectional screw rod 11.

[0036] As a technical optimization scheme of the utility model, the transmission rod 17 utilizes the key groove 18 to drive the two-way screw rod 11 to rotate synchronously, ensures the symmetrical adjustment of the distance between the two blades, and avoids uneven trimming caused by unilateral deviation.

[0037] Reference Figure 4 The surface of the transmission rod 17 is provided with the key groove 18, and the two-way screw rod 11 is slidably connected with the transmission rod 17 through the key groove 18.

[0038] As a technical optimization scheme of the utility model, the key groove 18 provides mechanical engagement, prevents the transmission rod 17 from slipping with the screw rod, and ensures reliable torque transmission.

[0039] The working principle and use process of the utility model are as follows: the operator places the rubber workpiece 3 to be trimmed on the rotary workbench 2 and fixes it by using the externally prepared clamp, ensures that the workpiece center is aligned with the rotary shaft of the workbench 2, and the workbench 2 is realized controllable rotation through the bottom driving mechanism such as a motor, provides power for subsequent trimming, when it is necessary to change the distance between the trimming blades 8 according to the diameter of the rubber workpiece 3, the torsion block 16 on either side is rotated to drive the two-way screw rod 11 to rotate. The threads on the surface of the screw rod push the two screw sleeves 12 to move towards or away from each other, through the sliding connection of the slide rod 14 and the sleeve plate 13, the distance between the two trimming blades 8 is adjusted synchronously, the workpiece of different diameters is adapted, the transmission rod 17 is connected with the two-way screw rod 11 through the key groove 18, ensures that the two screw rods rotate synchronously, and avoids the asymmetry of the blades caused by unilateral adjustment. The key groove 18 allows the transmission rod 17 to slide inside the two-way screw rod 11, transmits torque while adapting to the change of distance, after adjustment, the screw nut 15 on both sides of the guide rod 6 is tightened, the sleeve block 7 is clamped and fixed, the blade displacement during trimming is prevented, then the workbench 2 driving motor is started, and the workpiece is uniformly rotated. The two trimming blades 8 contact the inner edge and the outer edge of the workpiece respectively, and realize synchronous cutting of the two blades by using rotary friction.

[0040] In summary: the rubber product manufacturing trimming device, through the inner and outer trimming blades 8 simultaneously contacting the inner and outer edges of the rubber workpiece 3, does not need to switch tools or reposition, significantly improves the trimming efficiency, the workbench 2 rotates to drive the workpiece to move, and the blade automatically adapts to the edge profile through contact pressure, simplifies the operation steps.

[0041] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0042] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A trimming device for rubber product manufacturing, comprising a base plate (1); characterized in that The surface of the base plate (1) is inlaid with a rotatable workbench (2), the top of the workbench (2) is provided with a rubber workpiece (3), the top of the base plate (1) is fixedly connected with a support (4), the inner side of the support (4) is fixedly connected with a connecting block (5), the surface of the connecting block (5) is fixedly connected with a guide rod (6), both sides of the surface of the guide rod (6) are sleeved with a sleeve block (7), both sides of the front of the sleeve block (7) are movably connected with a trimming blade (8) through a pin shaft, the side of the trimming blade (8) away from the sleeve block (7) extends to both sides of the rubber workpiece (3) and contacts the surface of the rubber workpiece (3), the top of the sleeve block (7) is provided with an adjusting structure (9), and the adjusting structure (9) can adjust the spacing of the trimming blade (8).

2. The trimmer as claimed in claim 1, wherein: The adjusting structure (9) comprises a connecting frame (10) fixedly connected to the top of the sleeve block (7), a bidirectional screw rod (11) movably connected to the inside of the connecting frame (10) through a bearing, screw sleeves (12) threadedly connected to both sides of the surface of the bidirectional screw rod (11), a sleeve plate (13) fixedly connected to the front of the trimming blade (8), a sliding rod (14) fixedly connected to the front of the screw sleeve (12) and located inside the sleeve plate (13), and the sliding rod (14) is slidably connected with the sleeve plate (13).

3. The trimmer as claimed in claim 1, wherein: The surface of the guide rod (6) is threadedly connected with a nut (15), the nut (15) is located on both sides of the sleeve block (7) and clamps and positions the sleeve block (7).

4. The trimmer as claimed in claim 2, wherein: The outer ends of the bidirectional screw rod (11) penetrate through the connecting frame (10) and extend to the outside of the connecting frame (10), and the outer ends of the bidirectional screw rod (11) are fixedly connected with torsion blocks (16) located outside the connecting frame (10).

5. The trimmer as claimed in claim 2, wherein: The bidirectional screw rod (11) is hollow, the inside of the connecting block (5) is movably connected with a transmission rod (17) located at the top of the guide rod (6) through a bearing, and both ends of the transmission rod (17) penetrate through the connecting frame (10) and the bidirectional screw rod (11) in sequence and extend to the inside of the bidirectional screw rod (11).

6. The trimmer as claimed in claim 5, wherein: The surface of the transmission rod (17) is provided with a key groove (18), and the bidirectional screw rod (11) and the transmission rod (17) are slidably connected through the key groove (18).

Images