CN201141096Y - Cutting clamping mechanism and cutting machine - Google Patents

Abstract

The utility model discloses a cutting clamping mechanism and a cutting machine, which are used for solving the problem that the cutting quality is influenced because a clamping pipe fitting of the cutting clamping mechanism of the existing cutting machine is easy to produce loose or is clamped badly; the cutting machine is composed of a clamping device arranged on one side of a machine base, a cutting device arranged on the other side of the machine base and a clamping mechanism matched with the cutting device, wherein the clamping mechanism comprises a main shaft sleeved with a bearing, a cam with an arc-shaped groove with a relative track, two clamping frames, a clamping seat with a relative limit groove and a frame sleeve, a clamping part is arranged on one side of each clamping frame, a driven section and a limit part are arranged on the other side of each clamping frame and are respectively pivoted and embedded into the arc-shaped groove with the track of the cam and the limit groove of the clamping seat, and when the clamping mechanism is driven by a belt gear with a motor in a matched mode, the clamping parts of the two clamping frames can form a clamping state in a pivot hole of the clamping seat, so that clamping of a clamped object can be clamped more stably, and the cutting quality is further kept constantly.

Description

Cutting clamping mechanism and cutting machine

technical field

The utility model relates to a cutting and clamping mechanism, in particular to a cutting machine with a cutting and clamping mechanism.

Background technique

At present, the general cloth roll cutting device adopts the structure disclosed in Taiwan Patent Announcement No. 530845 "One-time Cutting Mechanism for Curtain Cloth Roll". By analyzing its technical scheme, it can be known that this known structure still has the following disadvantages: its cloth roll The tension claw is positioned at the inner edge hole of the pipe, so that the cloth roll is placed on the floating platform and the centering wheel finds the correct concentric state, and it cooperates with the cutting device to press and cut. However, the cloth roll is only pressed by the tension head. The set claws are limited and there is no clamping device on the floating platform. Since the hand lever is pressed down to cut the cloth roll, a considerable amount of force must be exerted, so the cloth roll is vulnerable to the momentary drop of the knife seat and the flat knife. As a result, the pipe fittings fixed on the claws become loose or poorly clamped, resulting in uneven cut cloth rolls and rough cutting surfaces, which further reduces the quality of product construction and affects economic benefits.

Utility model content

The purpose of the utility model is to provide a cutting and clamping mechanism, which is used to solve the problem that the existing cutting and clamping mechanism is easy to produce loose or poorly clamped pipe fittings.

For accomplishing above-mentioned purpose of the invention, the utility model adopts following technical scheme:

The utility model is a cutting and clamping mechanism, which is assembled on a frame with an assembly hole, and the clamping mechanism includes a main shaft sleeved with a bearing, a cam, two clamping frames and a clamping The component seat is matched with a frame sleeve, and one side of the main shaft is provided with a block seat for the bearing and the cam to be opposed to each other. The bearing sleeve is arranged in the assembly hole of the frame seat. The ring segments with large and small diameters are respectively sleeved outside the cam and the frame; the main shaft is provided with a flanged retaining surface along one side of the retaining seat, and a set of holes is arranged in the center of the cam to form a retaining surface. An arc-shaped groove with an appropriate depth and a relative trajectory is recessed at different circular diameter positions, and a number of relatively locked joint holes are respectively penetrated on the stop seat of the main shaft and the stop surface of the cam to match with a number of screws; One side is provided with a clamping part, and the other side is provided with a limiting part with an active section, and the active section of the limiting part is fitted with a shaft sleeve; and the center of the clamp seat is provided with a pivot hole and There is a fixing part with a plurality of mandrels on the inner surface, and a limiting groove is recessed at the relative position of the fixing part for the positioning of the limiting parts of the two clamps. The limiting parts of the two clamping frames and the driven section pivot It is pressed and embedded in the limit groove and track arc groove of the clip seat and the cam, and is driven to slide, and forms a clamping state in the pivot hole of the clip seat.

The cutting and clamping mechanism of the utility model adopts a main shaft sleeved with bearings, a cam with arc-shaped grooves with relative tracks, two clamp frames with clamping parts opposite to each other, and a clamp seat with relative limit grooves. The combined design enables one side of the two clamping frames to be equipped with an active section and a limiting part, which can respectively pivot and slide in the track arc groove embedded in the cam and the limiting groove of the clamp seat, so that the clamping When the mechanism is driven by a belt gear with a motor, the clamped object can be securely and firmly clamped by the clamping part of the clamping frame, so as to achieve the best cutting quality in the cutting operation.

Another object of the present invention is to provide a cutting machine, which is used to solve the problem that the clamping mechanism of the cutting and clamping mechanism of the existing cutting machine is easy to produce loose or poorly clamped pipe fittings, which affects the cutting quality.

For accomplishing above-mentioned purpose of the invention, the utility model adopts following technical scheme:

The cutting machine of the utility model comprises a machine base, one side of the machine base is provided with a clamping device, and the other side is provided with a rotary cutting device with a cutter and a rotary handle matched with a clamping mechanism. A frame with assembly holes is fixed on one side of the table of the machine base and is adjacent to the cutting device for the assembly and positioning of the clamping mechanism, and the clamping mechanism is driven by a belt gear with a motor;

The clamping mechanism includes a main shaft which is sleeved with the bearing, a cam, two clamping frames and a clamping seat which cooperates with a frame sleeve, and one side of the main shaft is provided with a stop seat for the bearing and the cam to be opposed to each other. The bearing sleeve is set in the assembly hole of the frame, and the frame sleeve is in the shape of a stepped ring, and its large and small diameter ring segments are respectively sleeved outside the cam and the frame; the main shaft is provided with a The retaining surface of the flange is provided with a set of holes in the center of the cam to form a retaining surface, and an arc-shaped groove with a suitable depth and a relative track is recessed along the different diameter positions of the retaining surface, and is connected between the retaining seat of the main shaft and the cam. The retaining surface is respectively provided with a number of relatively locked combination holes to match with a number of screws. One side of the two clamping frames is provided with a clamping part, and the other side is provided with a limiting part of the driven section. The driven section is matched with a shaft sleeve, and the center of the clamp seat is provided with a pivot hole and a fixed part with several mandrels is provided on the inner surface, and a limit for two clamps is recessed at the opposite position of the fixed part. The position part accommodates the positioning limit groove, the limit part and the driven section of the two clamps are respectively pivoted and embedded in the limit groove and the track arc groove of the clamp seat and the cam, and are driven and slipped in the clamp The clamping state is formed in the pivot hole of the seat.

The cutting machine of the utility model is designed to consist of a main shaft sleeved with a bearing, a cam with an arc-shaped groove of relative trajectory, two clamping frames with opposite clamping parts, and a clamp seat with a relative limit groove. The formed cutting and clamping mechanism enables one side of the two clamping frames to be provided with an actuated section and a limiting part, which can respectively pivot against and slide in the track arc groove embedded in the cam and the limiting groove of the clamp seat. When the clamping mechanism is driven in cooperation with a belt gear with a motor, the clamping object can be securely and firmly clamped by the clamping part of the clamping frame, so as to achieve the best cutting quality in cutting operations.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the cutting machine of the present utility model;

Fig. 2 is the perspective view of the main shaft of the clamping mechanism of the cutting machine of the present invention;

Fig. 3 is a three-dimensional view of the cam of the clamping mechanism of the cutting machine of the present invention;

Fig. 4 is a plan view of the back of the clamp seat of the clamping mechanism of the cutting machine of the present invention;

Fig. 5 is a three-dimensional combined view of the cutting machine of the present invention;

Fig. 6 is a combined sectional view of the utility model cutting machine;

Fig. 7 is a perspective view of the utility model cutting machine in use;

Fig. 8 is a schematic plan view of one end surface of the clamping object of the cutting and clamping mechanism of the present invention abutting against the clamping parts of the two clamping frames and pushing the trigger block to brake the cam;

Fig. 9 is a schematic plan view of the clamping state of the two clamping frames of the cutting and clamping mechanism of the present invention;

Fig. 10 is the second schematic plan view of the clamping state formed by the two clamping frames of the cutting and clamping mechanism of the present invention;

Fig. 11 is a schematic plan view of a state where the two clamping frames of the cutting and clamping mechanism of the present invention form a more stable clamping state.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the utility model, and to make the above-mentioned purpose, features and advantages of the utility model more obvious and understandable, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 to 6, the cutting machine of the present utility model is mainly provided with a clamping device 11 on one side of the machine base 10 and a cutting device for a rotary tool cutter 121 and a rotary handle 122 on the other side. The device 12 cooperates with a clamping mechanism 20 to form a cutting machine, and a stand 21 with an assembly hole 211 is fixed on the table side of the machine base 10 to be adjacent to the cutting device 12 for the assembly and positioning of the clamping mechanism 20. And the clamping mechanism 20 is driven in cooperation with a belt gear 27 having a motor 271, wherein the clamping mechanism 20 includes a main shaft 23 fitted with a bearing 22, a cam 24, two clamping frames 25 and a clamping seat 26 Cooperate with a frame sleeve 29, so that the belt gear 27 is set on the outside of the main shaft 23 side of the clamping mechanism 20 to link the bearing 22 and drive the main shaft 23 to pivot stably; the bearing 22 is set in the assembly hole of the frame 21 In 211, the frame sleeve 29 is in the shape of a stepped ring, and its large and small diameter ring sections are respectively sleeved outside the cam 24 and the frame seat 21; one side of the main shaft 23 is provided with a retaining seat 231 for the bearing 22 and the cam 24 to be opposed to each other. A flanged retaining surface 232 is provided along one side of the retaining seat 231, and a set of holes 242 is provided in the center of the cam 24 to form a retaining surface 243, and a suitable recess is provided on a position of a different diameter along the retaining surface 243. A deep scroll-shaped track arc groove 244, and a number of interlocking joint holes 233, 241 are provided on the relative positions of the retaining seat 231 of the main shaft 23 and the retaining surface 243 of the cam 24. On one side of the two clamping frames 25 A v-shaped clamping part 251 is provided, and a limiting part 253 with an active section 252 is provided on the other side to cooperate with a sleeve 254 so that the sleeve hole 242 of the cam 24 is sleeved on one side of the main shaft 23 Stick to one side of the ring surface of the retaining seat 231, so that the joint holes 233, 241 are locked and fixed with a plurality of screws 245, and cooperate with the clip seat 26 to cover the front end of the frame seat 21 and the main shaft 23. The center of 26 is provided with a pivot hole 261, and the inner surface is provided with a fixing part 263 of a plurality of mandrels 262, and at the relative position of the fixing part 263, there is a recessed position for the limit part 253 of the clip frame 25 to accommodate and limit. groove 264, so that the driven section 252 and the limit portion 253 of the two clip frames 25 are respectively embedded in the track arc-shaped groove 244 of the cam 24 and the relative limit groove 264 of the clip seat 26, so that the axle sleeve 254 and the mandrel 262 of the fixing part 263 can be respectively against the retaining surface 243 of the cam 24 and the retaining surface 232 of the main shaft 23, so that the clamping part 251 of the clamp frame 25 is formed in the center pivot hole 261 of the clamp seat 26 in pairs. In the relative clamping state, a pull block 28 with a push bar 281 is provided to cooperate with a frame cover 29, and one side of the frame cover 29 is provided with an abutment surface 292 which can be sleeved and combined with one side of the frame seat 21 The outer edge surface, while the surface on the other side is predetermined to be provided with a suitable long guide groove 291 and form a first-order protruding edge surface just opposite to the assembled outer edge surface of the cam 24 and the clip seat 26 without touching and A sliding space is formed, and the push bar 281 is set in a thin front and thick shape for pushing against the braking cam 24 in the sliding space, and a number of lock holes 282 and a number of locks are provided at predetermined positions of the trigger block 28. The bolt 283 cooperates so that the push bar 281 of the trigger block 28 can be embedded in the guide groove 291 of the frame sleeve 29 to slide.

When it is intended to be used, as shown in Figure 7, a perspective view of the utility model cutting machine in use, it will clamp the object A, such as one end of the cloth roll against the clamping device 11, and the other end is fixed on the clamping mechanism 20 and is pivoted out from the central pivot hole 261 of the clamp seat 26, so that one end surface of the clamping object A abuts against the clamping parts 251 of the two clamping frames 25, and at the same time pushes against the trigger block 28 to make the front thinner. The rear thick push bar 281 can be stuck in the sliding space, so that the push bar 281 can stop the cam 24 and be positioned as shown in Fig. The limit portion 253 of the clip frame 25 can be under the limit of the limit groove 264 and the positioning of the cam 24, so that the driven section 252 of the clip frame 25 can rotate inwardly along the track arc groove 244 to make the limit portion 253 can slide down from the limit groove 264 as shown in Figure 9, so that the clamping parts 251 of the two clamping frames 25 are opposite to each other and clamp the clamped object A, as shown in Figure 10, and then start the motor 271 Drive the belt gear 27 to drive the bearing 22, so that the main shaft 23, the cam 24 and the clip seat 26 rotate synchronously in one direction under the rotation of the belt gear 27. At this time, the pull block 28 is rotated by the cam 24 and slides down. , and through the principle of actively driving the driven, the active section 252 of the clamp frame 25 forms a driven state in the trajectory arc groove 244 under the active driving of the cam 24. When the cutting device 12 performs die-cutting cutting, its The cutter 121 can be rotated along with the rotation of the rotary handle 122 to make the cutter 121 and the clamping object A progressively form resistance, so that the driven section 252 of the clamp frame 25 is in a spiral-shaped direction inward in the track arc groove 244 Sliding, so that two opposite clamping parts 251 form a clamping state that is more tightly closed and pressed, as shown in Figure 11, so the surface of one end of the clamping object A is firmly clamped by the clamping friction between the two clamping parts 251 The greater the moving resistance of the clamp seat when holding, the tighter the clamping of the two clamps makes the cutting of the cutter more reliable. The clamping object A can be reliably and stably rotated by the rotary handle 122 of the cutting device 12 and gradually drives the cutter 121 to cut Operation, in order to achieve easier and faster cutting without the problem of uneven cutting, so as to improve work efficiency, save manpower and ensure cutting safety and quality.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (8)

1. A cutting and clamping mechanism, which is assembled on a frame with an assembly hole, characterized in that: the clamping mechanism includes a main shaft sleeved with a bearing, a cam, and two clamping frames And a clip seat is matched with a frame sleeve, and a stop seat is provided on one side of the main shaft for the bearing and the cam to be opposed to each other. The bearing sleeve is arranged in the assembly hole of the frame seat, and the frame sleeve is a stepped ring. The large and small diameter ring segments are respectively sleeved outside the cam and the frame; the main shaft is provided with a flanged retaining surface along one side of the retaining seat, and a set of holes is arranged in the center of the cam to form a retaining surface. Concave an arc-shaped groove with an appropriate depth and a relative trajectory along the different circular diameters of the retaining surface, and a number of relatively locked joint holes are respectively penetrated on the retaining seat of the main shaft and the retaining surface of the cam to cooperate with a number of screws; One side of the clamp frame is provided with a clamping part, and the other side is provided with a limiting part with an active section, and the active section of the limiting part is fitted with a shaft sleeve; and the center of the clamp seat is provided with a The pivot hole is also provided with a fixed part of a plurality of mandrels on the inner surface, and a position-limiting groove for the position-limiting parts of the two clamps is recessed at the relative position of the fixed part. The segments are respectively pivoted and embedded in the limit groove and track arc groove of the clip seat and the cam, and are driven to slide, and form a clamping state in the pivot hole of the clip seat. 2. The cutting and clamping mechanism according to claim 1, characterized in that: the track arc groove of the cam is set in a scroll shape. 3. The cutting and clamping mechanism according to claim 1, wherein the clamping portion of the clamping frame is set in a V shape. 4. The cutting and clamping mechanism according to claim 1, characterized in that: one side surface of the frame sleeve is provided with a guide groove of suitable length, which is matched with a trigger block with a push bar to embed and slide, and The push bar is set in a thin front and thick back shape for pushing against the braking cam. 5. A cutting machine, comprising a machine base, one side of the machine base is provided with a clamping device, and the other side is provided with a rotary cutting device with a cutter and a rotary handle matched with a clamping mechanism, A stand with an assembly hole is fixed on one side of the machine base to be adjacent to the cutting device for the assembly and positioning of the clamping mechanism, and the clamping mechanism is driven by a belt gear with a motor. It is characterized in that: The clamping mechanism includes a main shaft which is sleeved with the bearing, a cam, two clamping frames and a clamping seat which cooperates with a frame sleeve, and one side of the main shaft is provided with a stop seat for the bearing and the cam to be opposed to each other. The bearing sleeve is set in the assembly hole of the frame, and the frame sleeve is in the shape of a stepped ring, and its large and small diameter ring segments are respectively sleeved outside the cam and the frame; the main shaft is provided with a The retaining surface of the flange is provided with a set of holes in the center of the cam to form a retaining surface, and an arc-shaped groove with a suitable depth and a relative track is recessed along the different diameter positions of the retaining surface, and is connected between the retaining seat of the main shaft and the cam. The retaining surface is respectively provided with a number of relatively locked combination holes to match with a number of screws. One side of the two clamping frames is provided with a clamping part, and the other side is provided with a limiting part of the driven section. The driven section is matched with a shaft sleeve, and the center of the clamp seat is provided with a pivot hole and a fixed part with several mandrels is provided on the inner surface, and a limit for two clamps is recessed at the opposite position of the fixed part. The position part accommodates the positioning limit groove, the limit part and the driven section of the two clamps are respectively pivoted and embedded in the limit groove and the track arc groove of the clamp seat and the cam, and are driven and slipped in the clamp The clamping state is formed in the pivot hole of the seat. 6. The cutting machine according to claim 5, characterized in that: the trajectory arc groove of the cam is set in a scroll shape. 7. The cutting machine according to claim 5, wherein the clamping portion of the clamping frame is set in a V shape. 8. The cutting machine according to claim 5, characterized in that: one side surface of the frame sleeve is provided with a guide groove of suitable length, which is matched with a trigger block with a push bar to embed and slide, and the push bar It is set to be a front thinner and thicker shape for pushing against the brake cam.

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