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CN-224226338-U - Tool changing mechanism of film splitting machine

CN224226338UCN 224226338 UCN224226338 UCN 224226338UCN-224226338-U

Abstract

The utility model discloses a cutter changing mechanism of a film dividing and cutting machine, which relates to the technical field of dividing and cutting machines and comprises a cutter cutting and cutting cutter structure and a cutter changing mechanism, wherein the cutter cutting and cutting cutter structure is composed of a shaft body, bearings respectively connected to two ends of the shaft body in a rotating mode and a positioning shaft fixedly arranged at the left end of the shaft body, two plane grooves are symmetrically formed in the surface of the positioning shaft, and the cutter changing mechanism comprises a first supporting sleeve and a second supporting sleeve which are respectively fixedly arranged on two inner side walls of a supporting frame of the dividing and cutting machine through flange plates. Compared with the prior art, the cutting tool has the beneficial effects that the C-shaped open slot structure allows the positioning shaft to be quickly embedded into the open key slot in the sleeve, and is matched with the semicircular clamping plate driven by the air cylinder, so that the cutting tool structure of the cutting machine can be quickly locked and released, the semicircular clamping plate and the semicircular shaft sleeve are internally embedded with the annular positioning slot, the 360-degree wrapped clamping of the bearing outer ring is realized, and the radial runout of the cutting tool during high-speed rotation is reduced.

Inventors

  • XU FANGQIAN
  • SUN HUILIN
  • ZHENG KAI
  • SUN JIAGUO

Assignees

  • 安徽华绚新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (7)

  1. 1. The utility model provides a membrane cutting machine cutter trades dress mechanism which characterized in that includes: the cutting knife structure of the splitting machine is composed of a shaft body (10), bearings (11) which are respectively connected to two ends of the shaft body (10) in a rotating mode, and a positioning shaft (12) which is fixedly arranged at the left end of the shaft body (10), wherein two plane grooves are symmetrically formed in the surface of the positioning shaft (12); The cutter changing mechanism comprises a first supporting sleeve (22) and a second supporting sleeve (23) which are respectively and fixedly arranged on two inner side walls of a supporting frame (21) of the splitting machine through a flange plate (20), a clamping assembly arranged on opposite surfaces of the first supporting sleeve (22) and the second supporting sleeve (23), and a transmission assembly arranged in the first supporting sleeve (22); The clamping assembly comprises semicircular shaft sleeves (30) which are respectively and fixedly arranged on opposite surfaces of the first supporting sleeve (22) and the second supporting sleeve (23), supporting plates (31) which are fixedly arranged on two inner side walls of the supporting frame (21) of the splitting machine, supporting seats (32) and air cylinders (33) which are respectively and fixedly arranged on the upper surfaces of the supporting plates (31), semicircular clamping plates (34) which are hinged to the inner walls of the supporting seats (32) through pin shafts, and the telescopic ends of the air cylinders (33) are hinged to the tail ends of the semicircular clamping plates (34); The transmission part comprises a sleeve (40) rotatably arranged on the inner wall of the first supporting sleeve (22), and an open type key slot (41) which is arranged on the inner wall of the sleeve (40) and is matched with the upper plane slot of the positioning shaft (12).
  2. 2. The tool changing mechanism of a film slitting machine according to claim 1, wherein the outer surfaces of the first supporting sleeve (22) and the second supporting sleeve (23) are provided with C-shaped open grooves (24).
  3. 3. A film cutter changing mechanism according to claim 2, wherein the opening width of the C-shaped opening groove (24) is larger than the diameter of the positioning shaft (12).
  4. 4. The tool changing mechanism of a film slitting machine according to claim 1, wherein a motor (42) is fixedly arranged on the left side surface of the slitting machine support frame (21), and the shaft end of the motor (42) extends into the first support sleeve (22) and is fixedly connected with the left end of the sleeve (40).
  5. 5. A film cutter changing mechanism according to claim 1, wherein a disc cutter (13) is mounted on the surface of the shaft body (10).
  6. 6. The tool changing mechanism of the film slitting machine according to claim 1, wherein the inner walls of the semicircular clamping plates (34) and the semicircular shaft sleeve (30) are respectively provided with an annular positioning groove (50) matched with the outer ring of the bearing (11).
  7. 7. The tool changing mechanism of the film slitting machine according to claim 1, wherein the width of the open key groove (41) is in clearance fit with a plane groove on the positioning shaft (12), and the fit clearance is less than or equal to 0.05mm.

Description

Tool changing mechanism of film splitting machine Technical Field The utility model relates to the technical field of splitting machines, in particular to a cutter changing mechanism of a film splitting machine. Background The slitting machine is used as key equipment for processing materials such as films, aluminum foils and the like, and has the core function of accurately slitting wide base materials into a plurality of groups of narrow products so as to meet the precision processing requirements in the fields of packaging, electronics and the like. The application discloses an aluminum foil splitting machine convenient for quickly replacing a cutter, which comprises a body, wherein the body comprises a frame and a splitting mechanism, the splitting mechanism comprises a driving shaft, a driven shaft and a splitting assembly, the driving shaft is detachably hinged with the driven shaft, an elastic shaft seat is fixedly arranged at the top of the frame, a semi-annular counter bore is commonly formed in the inner side and the top surface of the shaft seat, one end of the driven shaft, which is far away from the driving shaft, is in rotary fit with the counter bore, one end of the driving shaft, which is far away from the driven shaft, is rotationally connected with the frame, a driving piece for driving the driving shaft to rotate is arranged on the frame, the splitting assembly comprises a cutter and a mounting sleeve, the mounting sleeve is fixedly connected with the side surface of the cutter, the driven shaft penetrates through the cutter and the mounting sleeve and is in sliding fit with the cutter and the mounting sleeve, and a fastening screw fixedly connected with the mounting sleeve and the driven shaft is screwed in an internal thread way. The driven shaft on the device adopts the matching design of the elastic shaft seat and the counter bore, the radial runout is overlarge due to the clearance generated by the semi-annular counter bore and the shaft body during rotary slitting, the trimming quality is directly affected, the design of smearing lubricating grease in the counter bore is difficult to adapt to continuous production environment, dust particles are easily caused to adhere to the counter bore and accelerate the abrasion of the shaft seat, and the runout is further affected. In order to overcome the defects, a cutter changing mechanism of a film cutting machine is provided. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a cutter changing mechanism of a film dividing and cutting machine. In order to solve the problems in the prior art, the utility model adopts the following technical scheme that the cutter changing mechanism of the film splitting machine comprises: The cutting knife structure of the splitting machine is composed of a shaft body, bearings respectively connected to two ends of the shaft body in a rotating mode and a positioning shaft fixedly installed at the left end of the shaft body, and two plane grooves are symmetrically formed in the surface of the positioning shaft; The cutter changing mechanism comprises a first supporting sleeve and a second supporting sleeve which are respectively and fixedly arranged on two inner side walls of the supporting frame of the splitting machine through flange plates, clamping assemblies arranged on opposite faces of the first supporting sleeve and the second supporting sleeve, and a transmission assembly arranged in the first supporting sleeve; the clamping assembly comprises semicircular shaft sleeves respectively fixedly arranged on opposite surfaces of the first supporting sleeve and the second supporting sleeve, supporting plates fixedly arranged on two inner side walls of the supporting frame of the splitting machine, a supporting seat and an air cylinder respectively fixedly arranged on the upper surface of the supporting plate, and semicircular clamping plates hinged to the inner wall of the supporting seat through pin shafts, and the telescopic ends of the air cylinders are hinged to the tail ends of the semicircular clamping plates; the transmission part comprises a sleeve rotatably arranged on the inner wall of the first supporting sleeve and an open type key slot which is formed on the inner wall of the sleeve and is matched with the plane slot on the positioning shaft. Preferably, the outer surfaces of the first support sleeve and the second support sleeve are respectively provided with a C-shaped open slot. Preferably, the opening width of the C-shaped opening groove is larger than the diameter of the positioning shaft. Preferably, a motor is fixedly arranged on the left side surface of the support frame of the splitting machine, and the shaft end of the motor extends to the inside of the first support sleeve and is fixedly connected with the left end of the sleeve. Preferably, a disc cutter is mounted on the surface of the shaft body. Preferably, the semicircular clamp