Rigid cutter expanding device of splitting machine

By designing a rigid blade tensioning device on the splitting machine, simplifying blade adjustment with a wrench adjustment component and a worm gear mechanism, and preventing loosening with springs and locking pins, the problem of complex blade tensioning operation in the splitting machine is solved, thereby improving cutting accuracy and processing quality.

CN224015693UActive Publication Date: 2026-03-20YANTAI LONGYI MACHINERY
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Patent Information

Application Number
CN202520598332.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-20
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The existing splitting machine has a complicated operation for adjusting the tension of the blade, resulting in low cutting accuracy and difficulty in ensuring processing quality.

Method used

A rigid blade tensioning device for a splitting machine was designed. The driven blade wheel can be easily adjusted and locked by a wrench adjustment component and a worm gear mechanism. Combined with a spring and locking pin structure, it prevents loosening and ensures stable tension of the blade wheel.

Benefits of technology

It enables easy adjustment and stable tension of the blade, improves cutting accuracy, simplifies the operation process, and avoids cutting deviation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of splitting machines, and particularly relates to a rigid expansion cutter device of a splitting machine, which comprises a mounting seat and two guide shafts, a screw is in threaded connection with the inside of the tail end of each guide shaft, an adjusting screw sleeve is slidably sleeved on the outer side of each screw, an adjusting block is in threaded connection with the outer side of each adjusting screw sleeve, and the adjusting block is in threaded connection with the mounting seat. The adjusting blocks abut against the guide shafts, and a cutter wheel shaft is fixedly connected between the two adjusting blocks. The wrench adjusting piece is rotated through a wrench tool, so that the worm is rotated, the worm is matched with the worm gear to enable the lead screw shaft to transversely move, then the abutting block at the tail end of the lead screw shaft transversely moves and moves towards the driven cutter wheel under guiding of the guiding shaft, meanwhile, the driven cutter wheel exerts rigid abutting force, and the driven cutter wheel is driven to rotate. Therefore, the purpose of adjusting the tensile force of the driven cutter wheel is achieved, and operation is easy and convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of splitting machine, concretely is a rigid expanding cutter device of splitting machine. BACKGROUND

[0002] Splitting machine is mainly used in leather products industry, and can split soft and hard leather of 400mm width to the required specification.

[0003] Through the retrieval, the patent of application with disclosure no. CN108728590A discloses a kind of mechanical splitting machine for leather, including base, the both ends of base are respectively fixedly connected with two groups of support frame, and the side of two groups of support frame is respectively fixedly installed with stabilizing block, the top of base is fixedly connected with the bottom of support column, and the top of support column is fixedly connected with the bottom of mounting table, the top of mounting table is fixedly installed with mounting plate, and the top of mounting plate is fixedly installed with motor, the outer wall of motor output shaft is fixedly sleeved with reel I;The mechanical splitting machine for leather, by setting up support frame, mounting table, mounting plate, motor, reel I, belt, reel II, threaded rod, workbench, limiting rod, sliding rod and sliding groove can realize the sliding of workbench on the top of mounting table, by setting up threaded rod, the speed of movement can be controlled, cutting precision can be guaranteed while cutting is facilitated.

[0004] But the existing splitting machine adjusts the tightness of belt knife, which is troublesome, uncontrollable, complex to operate, and prone to cutting deviation, so that the machining precision cannot be guaranteed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of rigid expanding cutter device of splitting machine, solve the problem that the tightness of belt knife of existing splitting machine is adjusted.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of rigid expanding cutter device of splitting machine, including mounting seat and two guide shafts, the end inside of each guide shaft is connected with screw by thread, the outside of screw is slidably connected with adjusting sleeve, the outside of adjusting sleeve is connected with adjusting block by thread, and adjusting block is in contact with guide shaft, knife wheel shaft is fixedly connected between the two adjusting blocks, driven knife wheel is installed in the shaft body middle segment of knife wheel shaft by bearing, abutting block is slidably connected between the two guide shafts, abutting block is in contact with driven knife wheel, screw shaft is fixedly connected on abutting block, worm wheel is installed on the outside of the shaft body of screw shaft, wrench adjusting part is rotatably connected in the inside of mounting seat, the end of wrench adjusting part is fixedly connected with worm, and worm is engaged with worm wheel.

[0007] Preferably, a locking disc is fixedly connected to the outer side of the wrench adjusting component, and a slider is slidably connected inside the mounting base. A locking pin is fixedly connected to the slider, the locking pin passes through the mounting base and is slidably connected to it, and the locking pin engages with the locking disc. The cooperation between the locking pin and the locking disc prevents the wrench adjusting component and the worm gear from loosening.

[0008] Preferably, a button is fixedly connected to the slider, the button passes through the mounting base and is slidably connected to the mounting base, and the position of the button corresponds to the locking pin. The button facilitates the movement of the slider and the locking pin on the slider.

[0009] Preferably, a guide rod is fixedly connected inside the mounting base, the guide rod passing through the slider and slidably connected to the slider. The guide rod provides guidance for the movement of the slider.

[0010] Preferably, a spring is sleeved on the outer side of the guide rod, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the inner surface of the mounting base. The spring force can act on the slider, so that the locking pin on the slider is always inserted into the locking disc.

[0011] Preferably, the slider has ball bearings on its side, and these ball bearings contact the inner surface of the mounting base. The ball bearings reduce the friction between the slider and the mounting base.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model uses a wrench to rotate the wrench adjustment part, thereby causing the worm to rotate. The worm, in conjunction with the worm wheel, causes the lead screw shaft to move laterally, which in turn causes the clamping block at the end of the lead screw shaft to move laterally and move towards the driven cutter wheel under the guidance of the guide shaft. At the same time, a rigid clamping force is applied to the driven cutter wheel, thereby achieving the purpose of adjusting the tension of the driven cutter wheel. The operation is simple and convenient.

[0014] 2. This utility model provides a sliding block that extends and retracts via a spring within the mounting base for installing the wrench adjustment component. The sliding block has a locking pin, which inserts into the locking disc on the wrench adjustment component under the spring force. This locks and fixes the wrench adjustment component and the worm gear, thereby preventing loosening and further ensuring the clamping force on the driven blade wheel. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 A magnified view of the local structure;

[0017] Figure 3 The utility model discloses a Figure 2 The structure of A of the utility model discloses a

[0018] In the figure: 1, driven cutter wheel;2, screw;3, adjusting sleeve;4, guide shaft;5, adjusting block;6, cutter wheel shaft;7, spanner adjusting part;8, worm;9, screw shaft;10, worm wheel;11, mounting seat;12, lock disc;13, sliding block;14, bayonet pin;15, button;16, guide rod;17, spring;18, ball;19, abutting block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the range protected by the utility model.

[0020] Please refer to Figure 1-2 A rigid expanding cutter device of a splitting machine, including mounting seat 11 and two guide shafts 4, the end inside of each guide shaft 4 is connected with screw 2 through thread, the outside of screw 2 is sleeved with adjusting sleeve 3, the end boss of screw 2 abuts against adjusting sleeve 3, and it has limiting effect, the outside of adjusting sleeve 3 is connected with adjusting block 5 through thread, and adjusting block 5 is in contact with guide shaft 4, the cutter wheel shaft 6 is fixedly connected between the two adjusting blocks 5, the shaft body middle section of cutter wheel shaft 6 is installed with driven cutter wheel 1 through bearing, the abutting block 19 is slidably connected between the two guide shafts 4, and the abutting block 19 is in contact with driven cutter wheel 1, the screw shaft 9 is fixedly connected on the abutting block 19, the shaft body outside of screw shaft 9 is installed with worm wheel 10, the inside of mounting seat 11 is rotatably connected with spanner adjusting part 7, the end of spanner adjusting part 7 is fixedly connected with worm 8, and worm 8 is engaged with worm wheel 10.

[0021] Please refer to Figure 2-3The outer side of the spanner adjusting piece 7 is fixedly connected with a lock disc 12, the inside of the mounting base 11 is slidably connected with a sliding block 13, the sliding block 13 is fixedly connected with a clamping pin 14, the clamping pin 14 penetrates through the mounting base 11 and is slidably connected with the mounting base 11, and the clamping pin 14 is clamped with the lock disc 12. Through the cooperation of the clamping pin 14 and the lock disc 12, the spanner adjusting piece 7 and the worm 8 are prevented from loosening. The sliding block 13 is fixedly connected with a button 15, the button 15 penetrates through the mounting base 11 and is slidably connected with the mounting base 11, and the position of the button 15 corresponds to the clamping pin 14. Through the setting of the button 15, the sliding block 13 and the clamping pin 14 on the sliding block 13 are facilitated to be pushed. The inside of the mounting base 11 is fixedly connected with a guide rod 16, the guide rod 16 penetrates through the sliding block 13 and is slidably connected with the sliding block 13. Through the setting of the guide rod 16, the sliding block 13 is guided to move. The outer side of the rod body of the guide rod 16 is sleeved with a spring 17, one end of the spring 17 is fixedly connected with the sliding block 13, and the other end of the spring 17 is fixedly connected to the inner surface of the mounting base 11. The elastic force of the spring 17 can act on the sliding block 13, so that the clamping pin 14 on the sliding block 13 is always inserted into the lock disc 12. The side edge of the sliding block 13 is provided with a ball 18, and the ball 18 is in contact with the inner surface of the mounting base 11. Through the setting of the ball 18, the friction between the sliding block 13 and the mounting base 11 is reduced.

[0022] The utility model discloses specific implementation process is as follows: driven cutter wheel 1 is longitudinally adjusted to parallel with the center line of fuselage by adjusting sleeve 3, is fastened on driven wheel guide shaft 4 by screw 2, when driven cutter wheel 1 is adjusted to parallel, is held by the adjusting block 5 of cutter wheel swing, cutter shaft 6 guarantees the stable operation of the cutter driven cutter wheel 1, in order to facilitate the tension and relaxation of the band, in one side of driven cutter wheel 1, spanner adjusting piece 7 can be used to rotate worm 8, when worm 8 rotates, drive worm wheel 10 to rotate, through lead screw shaft 9 to drive the movement of abutting block 19, thereby the abutting force is acted on driven cutter wheel 1, thereby reach the purpose of driven cutter wheel 1 tension adjustment, simple and convenient operation, in addition, before the rotation of spanner adjusting piece 7, need to push sliding block 13 through button 15, make the clamping pin 14 on sliding block 13 separate with the lock disc 12 on spanner adjusting piece 7, thereby release the restriction of spanner adjusting piece 7, and when spanner adjusting piece 7 rotates to the position, release button 15, sliding block 13 will reset under the action of spring 17, make clamping pin 14 and lock disc 12 reinsertion, like this can lock the spanner adjusting piece 7 and worm 8, thereby reach the purpose of preventing loosening, further guarantee the abutting force of driven cutter wheel 1.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rigid blade expansion device for a splitting machine, comprising a mounting base (11) and two guide shafts (4), characterized in that: Each guide shaft (4) has a screw (2) threadedly connected to its end. An adjusting sleeve (3) is slidably fitted onto the outside of the screw (2). An adjusting block (5) is threadedly connected to the outside of the adjusting sleeve (3), and the adjusting block (5) abuts against the guide shaft (4). A cutter wheel shaft (6) is fixedly connected between the two adjusting blocks (5). A driven cutter wheel (1) is mounted on the middle section of the shaft of the cutter wheel shaft (6) via a bearing. A retaining block (19) is slidably connected between the shafts (4). The retaining block (19) abuts against the driven cutter wheel (1). A lead screw shaft (9) is fixedly connected to the retaining block (19). A worm gear (10) is installed on the outer side of the shaft of the lead screw shaft (9). A wrench adjustment component (7) is rotatably connected inside the mounting base (11). A worm (8) is fixedly connected to the end of the wrench adjustment component (7). The worm (8) meshes with the worm gear (10).

2. The rigid blade expansion device of a splitting machine according to claim 1, characterized in that: The outer side of the wrench adjustment component (7) is fixedly connected to a locking disc (12), and the inner side of the mounting base (11) is slidably connected to a slider (13). A locking pin (14) is fixedly connected to the slider (13). The locking pin (14) passes through the mounting base (11) and is slidably connected to the mounting base (11). The locking pin (14) engages with the locking disc (12).

3. The rigid blade expansion device of a splitting machine according to claim 2, characterized in that: A button (15) is fixedly connected to the slider (13). The button (15) passes through the mounting base (11) and is slidably connected to the mounting base (11). The position of the button (15) corresponds to the locking pin (14).

4. The rigid expansion device of a splitting machine according to claim 2, characterized in that: The mounting base (11) is internally fixedly connected to a guide rod (16), which passes through the slider (13) and is slidably connected to the slider (13).

5. The rigid expansion device of a splitting machine according to claim 4, characterized in that: A spring (17) is sleeved on the outside of the guide rod (16). One end of the spring (17) is fixedly connected to the slider (13), and the other end of the spring (17) is fixedly connected to the inner surface of the mounting base (11).

6. The rigid blade expansion device of a splitting machine according to claim 2, characterized in that: The slider (13) is provided with a ball (18) on its side, and the ball (18) contacts the inner surface of the mounting base (11).

Citation Information

Patent Citations

  • Mechanical type splitting machine used for leather

    CN108728590A