CN209937031U - Novel cutting device - Google Patents

Abstract

The utility model provides a novel cutting device, wherein a front frame is arranged at the upper part of a case and is connected with the case; the processing platform is arranged on the front frame and comprises a clamping structure and a cutting structure; the lower compression roller and the upper compression roller form a three-point tightened clamping structure, a driving device is arranged on the front frame and drives the upper compression roller to move up and down, and the upper compression roller moves up and down to clamp and loosen the clamping structure; the cutting structure is connected with the front frame, the cutter bottom plate is connected with the front frame, the pushing device pushes the cutter bottom plate to rotate along the front frame, and the cutter bottom plate drives the cutter to rotate; still include first motor, first motor is connected with the cutter. Through the scheme, the rubber tube needing to be cut is clamped tightly by the clamping structure, the cutting of the head of the rubber tube is completed through the cutting structure, the rubber tube can be rotated by the upper pressing roller and the lower pressing roller after the rubber tube is clamped tightly, the circular cutting of the rubber tube is realized, and the cutting depth can be controlled through the pushing device.

Description

Novel cutting device

Technical Field

The utility model relates to the field of mechanical equipment, especially, relate to a novel cutting device.

Background

The hose consists of inner and outer rubber layers and a skeleton layer, and the skeleton layer may be made of cotton fiber, various synthetic fibers, carbon fiber, asbestos, steel wire, etc. The inner and outer rubber layers of the common rubber tube are made of natural rubber, styrene butadiene rubber or butadiene rubber; the oil-resistant rubber tube adopts chloroprene rubber and nitrile rubber; the acid and alkali resistant and high temperature resistant rubber tube is made of ethylene propylene rubber, fluorine rubber or silicon rubber and the like.

The method for forming the hose mainly comprises a coreless method and a cored method (including a soft core method and a hard core method) according to whether a hose core is adopted or not.

The rubber tube is coreless formed, the equipment is an extrusion forming machine (a common screw extruder), and the framework layer and the outer rubber layer are directly formed on the extruded inner rubber tube.

The rubber hose is formed by forming a rubber hose on a hard core or a soft core, and in order to ensure that the rubber hose is in a pressed state in the vulcanization process, the rubber hose is wrapped with water cloth (a soaked cloth roll with the width of about 10 cm), a rope or lead and then vulcanized.

After the hard core method is completed, the semi-finished product of the rubber tube is dozens of meters long, the end needs to be cut by a tractor for traction and demoulding, the hard core generally adopts a steel tube or a steel bar, two ends of the hard core are provided with protective sleeves, and the end needs to be cut accurately in a protective sleeve section when being cut.

At present, manual cutting is adopted for cutting the end of the rubber pipe mostly, labor and time are wasted, the end is difficult to cut and level, meanwhile, the cutting of the rubber pipe often needs circular cutting with a certain depth, the cutting is performed by a machine, and the circular cutting function is difficult to achieve.

In view of the above, a new cutting device is proposed to solve the above problems.

Disclosure of Invention

The utility model aims at providing a novel cutting device, which ensures the stability during cutting through a clamping structure and ensures the smoothness of a cutting surface, thereby realizing the effective cutting of the head part of a rubber tube; when the clamping structure clamps the rubber tube, the rubber tube can be rotated, and the circular cutting of the rubber tube is realized.

The utility model discloses a technique be:

a novel cutting device comprises a front frame and a case, wherein the front frame is arranged at the upper part of the case and connected with the case; the machining platform is arranged on the front frame and comprises a clamping structure and a cutting structure; the clamping structure comprises two lower compression rollers and an upper compression roller, the two lower compression rollers and the upper compression roller form a three-point tightened clamping structure, a driving device is arranged on the front frame, the driving device drives the upper compression roller to move up and down, and the upper compression roller moves up and down to clamp and loosen the clamping structure; the cutting structure is connected with the front frame and comprises a cutter, a cutter bottom plate and a pushing device, the cutter bottom plate is connected with the front frame, the pushing device pushes the cutter bottom plate to rotate along the front frame, and the cutter bottom plate drives the cutter to rotate; still include first motor, first motor is connected with the cutter, and first motor is connected with the cutter bottom plate.

Through the scheme, the rubber tube needing to be cut is clamped tightly by the clamping structure, the cutting of the head of the rubber tube is completed through the cutting structure, the rubber tube can be rotated by the upper pressing roller and the lower pressing roller after the rubber tube is clamped tightly, the circular cutting of the rubber tube is realized, and the cutting depth can be controlled through the pushing device.

The scheme is further optimized, the cutting device further comprises a second synchronous belt, a third synchronous wheel and a fourth synchronous wheel, the third synchronous wheel is connected with the cutter, the fourth synchronous wheel is connected with the first motor, and the second synchronous belt is connected with the third synchronous wheel and the fourth synchronous wheel. The cutting structure adopts hold-in range and synchronizing wheel connected mode to protect first motor, leads to first motor to damage when preventing the section clamp from dying.

As the further optimization of scheme, thrust unit is located frame one side before, and the opposite side of frame before the cutter bottom plate is located, and thrust unit rotates the push rod handle and is connected with the cutter bottom plate including rotating push rod and push rod fixing base, rotates the push rod and rotates and carry out reciprocating motion on the push rod fixing base, drives the cutter bottom plate and rotates. The rotary push rod is provided with a screw rod, and when the rotary push rod rotates on the push rod fixing seat, the screw rod part axially moves on the push rod fixing seat, so that the cutter bottom plate is pushed, and the cutter feeding and retracting are realized.

As the further optimization of scheme, thrust unit still includes the connecting rod that runs through preceding frame, and connecting rod one end is connected with the rotation push rod, and the other end is connected with the cutter bottom plate.

As the further optimization of the scheme, the lower pressure roller comprises a lower rotating roller, a lower rotating shaft and a lower shaft seat, the lower rotating roller is sleeved on the lower rotating shaft and is connected with the lower rotating shaft, the lower shaft seat is connected with the lower rotating shaft, and the lower shaft seat is connected with the front frame. When the rubber tube is clamped through the roller structure, the rubber tube can be rotated, and the rubber tube can be uniformly cut by the cutting structure.

The scheme is further optimized by further comprising a second motor, wherein the second motor is connected with a lower rotating shaft, and the lower rotating shaft is connected through the second motor. The lower pressing roller is driven by the second motor, so that when the rubber tube is clamped, the rubber tube can be automatically rotated in the machining process, and the rubber tube does not need to be manually rotated.

As further optimization of the scheme, the device further comprises a first synchronous belt, a first synchronous wheel and a second synchronous wheel, wherein the first synchronous wheel is connected with the lower rotating shaft, the second synchronous wheel is connected with the second motor, and the first synchronous belt is connected with the first synchronous wheel and the second synchronous wheel. The second motor adopts synchronous belt and synchronizing wheel to be connected lower rotation axis, realizes the variable speed and protects the effect of second motor.

As a further optimization of the scheme, the lower rotating roller comprises two outer rotating rollers and one inner rotating roller, and the lower shaft seat and the second synchronizing wheel are positioned between the outer rotating rollers and the inner rotating rollers. In order to save the whole volume of the equipment, the third synchronizing wheel and the lower shaft seat are arranged inside the lower pressing roller.

According to the further optimization of the scheme, the upper press roll comprises an upper rotating roll, an upper rotating shaft and an upper shaft seat, the upper rotating roll is sleeved on the upper rotating shaft and is connected with the upper rotating shaft, and the upper shaft seat is connected with the upper rotating shaft.

The scheme is further optimized, the press roller pressing device further comprises a sliding plate and a sliding groove, the upper shaft seat is connected with the sliding plate, the sliding plate is connected with the sliding groove, the sliding plate is connected with a driving device, and the driving device enables the upper press roller to vertically move on the sliding groove through the sliding plate. The upper compression roller is connected with the driving device through the sliding plate and the sliding block, and the stability of the upper compression roller is guaranteed.

Compared with the prior art, the beneficial effects of the utility model are that:

through the scheme, the rubber tube needing to be cut is clamped tightly by the clamping structure, the cutting of the head of the rubber tube is completed through the cutting structure, the rubber tube can be rotated by the upper pressing roller and the lower pressing roller after the rubber tube is clamped tightly, the circular cutting of the rubber tube is realized, and the cutting depth can be controlled through the pushing device.

The lower pressing roller is driven by the second motor, so that when the rubber tube is clamped, the rubber tube can be automatically rotated in the machining process, and the rubber tube does not need to be manually rotated.

Each motor is connected through the drive mode of hold-in range and synchronizing wheel, effectively guarantees the safe in utilization of motor, guarantees life.

Drawings

Fig. 1 is a schematic structural view of a novel cutting device provided by the present invention;

fig. 2 is a right side view of the novel cutting device provided by the present invention;

fig. 3 is a schematic structural view of a clamping structure of a novel cutting device provided by the present invention;

fig. 4 is a schematic structural diagram of a cutting structure of the novel cutting device provided by the present invention;

fig. 5 is a schematic structural diagram of another direction of the cutting structure of the novel cutting device provided by the present invention.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; 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 meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1:

referring to fig. 1-5, a novel cutting device is characterized by comprising a front frame 1 and a case 11, wherein the front frame 1 is arranged at the upper part of the case 11 and connected with the case 11; the machining platform is arranged on the front frame 1 and comprises a clamping structure 2 and a cutting structure 3; the clamping structure 2 comprises two lower pressing rollers 21 and an upper pressing roller 22, the two lower pressing rollers 21 and the upper pressing roller 22 form a three-point tightened clamping structure 2, a driving device 23 is arranged on the front frame 1, the driving device 23 drives the upper pressing roller 22 to move up and down, and the upper pressing roller 22 moves up and down to clamp and loosen the clamping structure 2; the cutting structure 3 is connected with the front frame 1, the cutting structure 3 comprises a cutter 31, a cutter bottom plate 32 and a pushing device 33, the cutter bottom plate 32 is connected with the front frame 1, the pushing device 33 pushes the cutter bottom plate 32 to rotate along the front frame 1, and the cutter bottom plate 32 drives the cutter 31 to rotate; the cutting knife further comprises a first motor 34, the first motor 34 is connected with the cutting knife 31, and the first motor 34 is connected with the cutting knife bottom plate 32.

When the novel cutting device works, the sheath part in the rubber tube is moved to the position corresponding to the cutter 31, and then the driving device 23 is started to move the upper press roller 22 downwards until the rubber tube is clamped; and then starting the first motor 34 to rotate the cutter 31, slowly approaching the cutter 31 to the rubber tube through the pushing device 33, controlling the feed amount of the cutter 31, and simultaneously rotating the rubber tube to realize circular cutting or complete cutting of the rubber tube.

The clamping structure 2 adopts two lower press rollers 21 as bearings and one upper press roller 22 as a force application, so that three-point clamping and positioning of the rubber tube are realized, the press rollers can rotate, the rubber tube can rotate under stress between the upper press roller 22 and the lower press rollers 21, and annular uniform cutting is realized; and the cutter 31 controls the distance from the rubber tube by a pushing device 33.

In general, a release agent is coated on a hard core and a sheath in a rubber tube, and the effect of drawing out the sheath is better by adopting an annular cutting rubber tube, so that the rubber tube is better to realize annular cutting by rotating the rubber tube in the cutting process. Of course, direct cutting may be accomplished after removal of the sheath, which may be relatively cumbersome. But in the cutting of other pipes and bars, the movable cutting structure 3 can be used for cutting in a circular cutting mode or at different depths.

Through the scheme, the rubber tube needing to be cut is clamped tightly by the clamping structure 2, the cutting of the head of the rubber tube is completed by the cutting structure 3, the rubber tube can be rotated by the upper pressing roller 22 and the lower pressing roller 21 after the rubber tube is clamped tightly, the circular cutting of the rubber tube is realized, and the cutting depth can be controlled by 33 through the pushing device.

Example 2:

referring to fig. 1 to 5, a difference between the present embodiment and embodiment 1 is that the present embodiment realizes the function of automatically rotating the rubber tube by optimally designing the clamping structure 2, so as to increase the practicability.

In this embodiment, the lower pressing roller 21 includes a lower rotating roller 211, a lower rotating shaft 212 and a lower shaft seat 213, the lower rotating roller 211 is sleeved on the lower rotating shaft 212 and connected with the lower rotating shaft 212, the lower shaft seat 213 is connected with the lower rotating shaft 212, the lower rotating shaft 212 is connected with the front frame 1, and the lower pressing roller further includes a second motor 24, and the second motor 24 is located at the bottom of the front frame 1 and connected with the lower rotating shaft 212. The lower pressing roller 21 drives the lower rotating shaft 212 to rotate through the second motor 24, the lower rotating roller 211 is driven to rotate, the lower pressing roller 21 is driven by the second motor 24, the rubber tube can be rotated when the rubber tube is clamped, and the cutting structure 3 can cut the rubber tube uniformly.

In this embodiment, the clamping structure 2 further comprises a first timing belt, a first timing wheel 215 and a second timing wheel 214, the first timing wheel 215 is connected with the lower rotating shaft 212, the second timing wheel 214 is connected with the second motor 24, and the second timing belt is connected with the first timing wheel 215 and the second timing wheel 214. The second motor 24 is connected to the lower rotating shaft 212 in a transmission manner of a synchronous belt and a synchronous wheel, so that the functions of speed change and protection of the second motor 24 are realized.

As a further optimization of the solution, the lower rotating roller 211 comprises two outer rotating rollers 217 and one inner rotating roller 216, and the lower axle seat 213 and the first synchronizing wheel 215 are located between the outer rotating rollers 217 and the inner rotating roller 216. In order to save the overall volume of the apparatus, the first synchronizing wheel 215 and the lower shaft seat 213 are disposed inside the lower press roll 21. The whole structure of the lower press roller 21 is more compact and beautiful.

When the rubber tube is positioned and clamped by the clamping structure 2, the lower pressing roller 21 is driven to rotate by the second motor 24, so that the rubber tube is driven to rotate, and the circular cutting effect with the same depth is realized.

As a further optimization of the scheme, the upper compression roller 22 comprises an upper rotating roller 221, an upper rotating shaft 222 and an upper shaft seat 223, the upper rotating roller 221 is sleeved on the upper rotating shaft 222 and is connected with the upper rotating shaft 222, and the upper shaft seat 223 is connected with the upper rotating shaft 222; the press roller pressing device further comprises a sliding plate 231 and a sliding groove 232, the upper shaft seat 223 is connected with the sliding plate 231, the sliding plate 231 is connected with the sliding groove 232, the sliding plate 231 is connected with the driving device 23, and the driving device 23 enables the upper press roller 22 to vertically move on the sliding groove 232 through the sliding plate 231. The upper press roll 22 is connected with the driving device 23 through the sliding plate 231 and the sliding block, and the stability of the upper press roll 22 is ensured. The upper press roller 22 is required to ensure uniform pressure on the rubber hose, and is required to ensure vertical movement and cannot tilt. The sliding groove 232 is used for limiting the sliding plate 231 to move only in the vertical direction so as to ensure the stability of the upper press roller 22. The driving device 23 may be an electric push rod, a hydraulic rod or a pneumatic push rod, and may be used to functionally push the sliding plate 231.

Example 3:

referring to fig. 1 to 5, a difference between the present embodiment and embodiment 2 is that the present embodiment performs an optimized design on the cutting structure 3 to be more suitable for actual production operations.

In this embodiment, the cutting structure 3 further includes a second timing belt, a third timing wheel 311 and a fourth timing wheel 341, the third timing wheel 311 is connected to the cutting knife 31, the fourth timing wheel 341 is connected to the first motor 34, and the second timing belt connects the third timing wheel 311 and the fourth timing wheel 341. Cutting structure 3 adopts hold-in range and synchronizing wheel connected mode to protect first motor 34, leads to first motor 34 to damage when preventing that the section clamp from dying, cuts the rubber tube of hard core method preparation, has the possibility that the misoperation cut the hard core, in case take place, very easily presss from both sides dead cutter 31, the first motor of lug connection 34, first motor 34 is impaired easily.

As a further optimization of the scheme, the pushing device 33 is located on one side of the front frame 1, the cutter base plate 32 is located on the other side of the front frame 1, the pushing device 33 includes a rotating push rod 331 and a push rod fixing seat 332, the rotating push rod 331 is connected with the cutter base plate 32, and the rotating push rod 331 rotates on the push rod fixing seat 332 and reciprocates to drive the cutter base plate 32 to rotate. The rotary push rod 331 is provided with a screw rod, when the rotary push rod fixing seat 332 rotates, the screw rod part axially moves on the push rod fixing seat 332, so that the cutter bottom plate 32 is pushed, the cutter 31 is fed and withdrawn, and the cutter bottom plate 32 is pushed by the rotation of the screw rod, so that the high-precision movement can be realized. The cutter 31 and the pushing device 33 are arranged on two sides of the front frame 1, so that an operator can control the distance between the cutter 31 and the rubber tube more easily; arranged on the same side, visual errors are easily generated.

In this embodiment, the pushing device 33 further includes a connecting rod 333 penetrating through the front frame 1, one end of the connecting rod 333 is connected to the rotating push rod 331, and the other end is connected to the cutter base plate 32. The connecting rod 333 is connected with the rotating push rod 331 and the cutter base plate 32, and the swing of the cutter base plate 32 is ensured to be a continuous and uniform angle swing. When the pushing device 33 advances a distance, the swinging angle of the cutter bottom plate 32 changes suddenly, so that the distance between the cutter 31 and the rubber tube is not controllable.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The novel cutting device is characterized by comprising a front frame (1) and a case (11), wherein the front frame (1) is arranged at the upper part of the case (11) and is connected with the case (11); the machining platform is arranged on the front frame (1) and comprises a clamping structure (2) and a cutting structure (3);

the clamping structure (2) comprises two lower pressing rollers (21) and an upper pressing roller (22), the two lower pressing rollers (21) and the upper pressing roller (22) form the clamping structure (2) which is tightened at three points, a driving device (23) is arranged on the front frame (1), the driving device (23) drives the upper pressing roller (22) to move up and down, and the upper pressing roller (22) can clamp and loosen the clamping structure (2) through moving up and down;

the cutting structure (3) is connected with the front frame (1), the cutting structure (3) comprises a cutter (31), a cutter bottom plate (32) and a pushing device (33), the cutter bottom plate (32) is connected with the front frame (1), the pushing device (33) pushes the cutter bottom plate (32) to rotate along the front frame (1), and the cutter bottom plate (32) drives the cutter (31) to rotate; the cutting knife is characterized by further comprising a first motor (34), wherein the first motor (34) is connected with the cutting knife (31), and the first motor (34) is connected with the cutting knife bottom plate (32).

2. The novel cutting device as claimed in claim 1, further comprising a second synchronous belt, a third synchronous wheel (311) and a fourth synchronous wheel (341), wherein the third synchronous wheel (311) is connected with the cutting knife (31), the fourth synchronous wheel (341) is connected with the first motor (34), and the second synchronous belt is connected with the third synchronous wheel (311) and the fourth synchronous wheel (341).

3. The novel cutting device as claimed in claim 2, wherein the pushing device (33) is located on one side of the front frame (1), the cutter base plate (32) is located on the other side of the front frame (1), the pushing device (33) comprises a rotating push rod (331) and a push rod fixing seat (332), the handle of the rotating push rod (331) is connected with the cutter base plate (32), and the rotating push rod (331) rotates on the push rod fixing seat (332) and reciprocates to drive the cutter base plate (32) to rotate.

4. A new cutting device, as claimed in claim 3, characterized in that said pushing means (33) further comprises a connecting rod (333) extending through said front frame (1), said connecting rod (333) being connected at one end to a rotating push rod (331) and at the other end to said cutter base plate (32).

5. A new cutting device as claimed in any one of claims 1 to 4, characterized in that said lower press roll (21) comprises a lower rotary roll (211), a lower rotary shaft (212) and a lower shaft seat (213), said lower rotary roll (211) is fitted over said lower rotary shaft (212) and connected to said lower rotary shaft (212), said lower shaft seat (213) is connected to said front frame (1).

6. A new cutting device, according to claim 5, characterized in that it also comprises a second motor (24), said second motor (24) being connected to said lower rotating shaft (212), said lower rotating shaft (212) being connected through said second motor (24).

7. The new cutting device as set forth in claim 6, characterized in that it further comprises a first synchronizing belt, a first synchronizing wheel (215) and a second synchronizing wheel (214), said first synchronizing wheel (215) being connected to said lower rotating shaft (212), said second synchronizing wheel (214) being connected to said second motor (24), said first synchronizing belt connecting said first synchronizing wheel (215) and said second synchronizing wheel (214).

8. A new cutting device, as claimed in claim 7, characterized in that said lower roller (211) comprises two outer rollers (217) and one inner roller (216), said lower shaft seat (213) and said second synchronizing wheel (214) being located between said outer rollers (217) and said inner roller (216).

9. The novel cutting device as claimed in claim 8, wherein the upper press roll (22) comprises an upper rotating roll (221), an upper rotating shaft (222) and an upper shaft seat (223), the upper rotating roll (221) is sleeved on the upper rotating shaft (222) and connected with the upper rotating shaft (222), and the upper shaft seat (223) is connected with the upper rotating shaft (222).

10. A novel cutting device according to claim 9, characterized in that it further comprises a sliding plate (231) and a sliding chute (232), said upper shaft seat (223) is connected with said sliding plate (231), said sliding plate (231) is connected with said sliding chute (232), said sliding plate (231) is connected with said driving device (23), said driving device (23) makes said upper pressing roller (22) move vertically on said sliding chute (232) through said sliding plate (231).

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