CN109732670B

CN109732670B - Wire cutting machine knife rest

Info

Publication number: CN109732670B
Application number: CN201811521913.2A
Authority: CN
Inventors: 舒伟亮; 胡笔锋; 陈绪强
Original assignee: Zhejiang Greatway Electrical Tool Co ltd
Current assignee: Zhejiang Greatway Electrical Tool Co ltd
Priority date: 2018-12-13
Filing date: 2018-12-13
Publication date: 2020-08-18
Anticipated expiration: 2038-12-13
Also published as: CN109732670A

Abstract

A wire cutting machine tool rest comprises a transmission part, a wire cutting part and a skin breaking alarm device, wherein the transmission part is connected with a wire cutting machine and transmits a cable. The transmission part comprises a rack, a line width adjusting part and a line feeding device. The wire cutting part comprises a driving device, a cutter holder and a wire opening cutter. The wire cutter is inserted in the through hole. The skin breaking alarm device is connected with the wire opening knife. The line width regulating part comprises a protective cover, a through hole, two regulating assemblies, two line passing wheels, four limiting parts and two regulators. The central shaft of the line opening knife and the central shaft of the protective cover are the same straight line, so that the line opening knife penetrates through the center of the protective cover and evenly separates the cables along the central shaft of the cables under the driving of the driving device. This wire cutting machine knife rest is stable at the unwrapping wire in-process, and is changing the convenient easy regulation of electric wire specification, still is increasing brokenly skin alarm device, has guaranteed the quality of cable.

Description

Wire cutting machine knife rest

Technical Field

The invention belongs to the technical field of electric wire and cable cutting equipment, and particularly relates to a wire cutting machine tool rest.

Background

The electric wire and cable is used for transmitting electricity, magnetic energy, information and wire products for realizing electromagnetic energy conversion, the generalized electric wire and cable is also called as cable for short, the narrow cable is insulated cable, generally, one or more insulated wire cores, and a coating layer, a total protective layer and an outer protective layer which may be respectively arranged on the insulated wire cores, and the cable can also be provided with an additional conductor without insulation.

When the electric wire cable is used, the electric wire cable needs to be connected with other electric appliances, so that the electric wire cable is opened, and the electric wire cable is conveniently connected with other electric appliances. The existing cutting machine works by pulling out a wire from a whole roll of raw materials through an operator, fixing the wire on a station of a wire cutting machine, straightening the wire and cutting the wire through a wire cutting knife rest. But because the wire cutting knife rest has poor stability and large wire opening tolerance, the wire cutting knife rest cannot play a role in breaking the skin and alarming, and is inconvenient in use.

Disclosure of Invention

In view of the above, the present invention provides a wire cutting machine knife rest with stable wire opening and a function of skin breaking alarm, so as to meet industrial requirements.

The utility model provides a wire cutting machine knife rest includes that one is connected and transmission cable's transmission portion, a setting with the wire cutting machine are in line portion of cutting on the transmission portion, and one sets up line portion of cutting's broken skin alarm device. The transmission part comprises a rack, a line width adjusting part arranged on the rack and a line feeding device arranged on the rack. The wire cutting part comprises a driving device, a cutter seat connected to the driving device and a wire opening cutter arranged on the cutter seat. The skin breaking alarm device is connected with the wire opening knife. The line width regulating part comprises a protective cover, a through hole arranged on the protective cover, and two regulating assemblies arranged in the protective cover, wherein the two regulating assemblies are arranged between the regulating assemblies, and four limiting parts and two regulators arranged on the regulating assemblies are connected. The wire cutter is inserted in the through hole. The through-hole sets up the protection casing is towards one side of line portion of cutting, just the center pin of protection casing passes the through-hole. On the cross section of the line width adjusting part, the two adjusting components are respectively arranged at two sides of the longitudinal symmetry axis. And on the cross section of line width regulating part, every adjusting part all includes two first adjusting part main parts and the second adjusting part main part that set up along horizontal symmetry axis symmetry to and two set up respectively first adjusting part main part with the roller of crossing of second adjusting part main part one end. The limiting piece is connected with the first adjusting assembly main body and the second adjusting assembly main body. When the limiting part is locked, the positions of the first adjusting component main body and the second adjusting component main body are fixed, and when the limiting part is unlocked, the distance between the first adjusting component main body and the second adjusting component main body is controlled by rotating the adjuster. The adjuster connects the first and second adjustment assembly bodies together and adjusts a distance between the first and second adjustment assembly bodies by rotating the adjuster. And in the adjusting process, on the cross section of the line width adjusting part, the first adjusting component main body and the second adjusting component main body are always symmetrical along a transverse symmetry axis. The central shaft of the line opening knife and the central shaft of the protective cover are the same straight line, so that the line opening knife penetrates through the center of the protective cover and evenly separates the cables along the central shaft of the cables under the driving of the driving device.

Further, the adjuster comprises an adjuster body and an adjusting rod connected to the adjuster body.

Furthermore, the wire feeding device comprises a wire inlet device and a wire outlet device which are arranged at two ends of the rack, two wire pressing devices and two guide wheels.

Further, the inlet wire device with the device of being qualified for the next round of competitions all comprises a plurality of deflector rolls, and is in the inlet wire device with per two in the device of being qualified for the next round of competitions every deflector roll is a set of, the inlet wire device includes four deflector rolls, then divide into first set of deflector roll and second group deflector roll, just first set of deflector roll with the second group deflector roll all sets up the vertical of frame, the center pin of first set of deflector roll with the center pin mutually perpendicular of second group deflector roll, the center pin of first set of deflector roll with the center pin mutually perpendicular of line width regulating part one in the first set of deflector roll swing joint be in the frame, the device of being qualified for the next round of competitions includes two deflector rolls, and vertically sets up in the frame.

Furthermore, the wire pressing device and the guide wheel are arranged between the wire inlet device and the wire outlet device, the wire pressing device and the guide wheel are respectively arranged in the wire inlet direction and the wire outlet direction of the wire width adjusting part, and the wire pressing device and the guide wheel are arranged in a staggered mode.

Furthermore, the thread pressing device comprises a base, a groove arranged on the base, a sliding plate movably inserted in the groove, a thread pressing wheel arranged on the sliding plate, a positioning piece arranged on the rack, a screw connected with the positioning piece in a threaded manner and connected with the sliding plate in a threaded manner, and a spring sleeved on the outer side of the screw.

Furthermore, wire accommodating grooves are formed in the wire pressing wheel and the guide wheel in the circumferential direction.

Further, the driving device comprises a driving machine, a first movable assembly and a second movable assembly, and the driving machine, the first movable assembly and the second movable assembly are all connected with the tool apron.

Compared with the prior art, the wire cutting machine knife rest provided by the invention can transmit the cable to the wire cutting part through the transmission part. The transmission portion includes a line width regulating part, the line width regulating part includes that a protection casing, one set up through-hole, two settings on the protection casing are in adjusting part in the protection casing, two settings are in cross the line wheel between the adjusting part, four are connected locating part and two connections on the adjusting part regulator on the adjusting part. And on the cross section of the line width adjusting part, two adjusting components are respectively arranged at two sides of a longitudinal symmetry axis, and on the cross section of the line width adjusting part, each adjusting component comprises a first adjusting component main body and a second adjusting component main body which are symmetrically arranged along a transverse symmetry axis, and two line passing rollers which are respectively arranged at one ends of the first adjusting component main body and the second adjusting component main body, the first adjusting component main body and the second adjusting component main body are connected together by the adjuster, the distance between the first adjusting component main body and the second adjusting component main body is adjusted by rotating the adjuster, so that various cables can be clamped between the first adjusting component main body and the second adjusting component main body, and the cables are stable in the transmission process. Further, in a cross section of the line width adjusting portion, the first adjusting member body and the second adjusting member body are always symmetrical along the lateral symmetry axis, so that a center axis of the cable passes through a midpoint between the first adjusting member body and the second adjusting member body when the cable passes between the first adjusting member body and the second adjusting member body. In addition, the line opening knife is inserted into the through hole, and the central shaft of the line opening knife and the central shaft of the protective cover are in the same straight line, so that the line opening knife penetrates through the center of the protective cover and evenly separates the cables along the central shaft of the cables under the driving of the driving device. The skin breaking alarm device is connected with the wire opening knife, when the wire opening knife is in wire opening and cuts a protective layer of the cable and touches a metal wire in the cable, the skin breaking alarm device is switched on, so that the skin breaking alarm device gives an alarm to remind a user. This wire cutting machine knife rest is stable at the unwrapping wire in-process, and is changing the convenient easy regulation of electric wire specification, still is increasing brokenly skin alarm device, is favorable to guaranteeing the quality of cable.

Drawings

Fig. 1 is a schematic perspective view of a knife rest of a wire cutting machine according to the present invention.

Fig. 2 is a schematic front view of a knife rest of the wire cutting machine shown in fig. 1.

Fig. 3 is a schematic structural view of a line width adjusting portion in a tool rest of the wire cutting machine of fig. 1.

FIG. 4 is a schematic view of a wire pressing device in a knife rest of the wire cutting machine of FIG. 1

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

Fig. 1 to 4 are schematic structural views of a knife rest of a wire cutting machine according to the present invention. The wire cutting machine knife rest comprises a transmission part 10 which is connected with the wire cutting machine and transmits a cable, a wire cutting part 20 arranged on the transmission part 10, and a skin breaking alarm device 30 arranged on the wire cutting part 20, and the wire cutting machine knife rest also comprises other functional modules, such as assembly components and the like, which are techniques which are known by persons skilled in the art and are not described in detail herein.

The transmission part 10 includes a frame 11, a line width adjusting part 12 provided on the frame 11, and a line feeding device 13 provided on the frame 11.

The frame 11 is used for fixing the line width adjusting part 12 and the line feeding device 13.

The line width adjusting portion 12 includes a protective cover 121, a through hole 122 disposed on the protective cover 121, two adjusting components 123 disposed in the protective cover 121, two line guiding wheels 124 disposed between the adjusting components 123, four limiting members 125 connected to the adjusting components 123, and two adjusters 126 connected to the adjusting components 123. The through hole 122 is provided at a side of the shield cover 121 facing the wire cutting portion 20, and a central axis of the shield cover 121 passes through the through hole 122. On the cross section of the line width adjusting portion 12, two adjusting components 123 are respectively disposed at two sides of the longitudinal symmetry axis, each adjusting component 123 can clamp a cable, and the width between the adjusting components 123 is changed according to the width of the cable. In the cross section of the line width adjusting portion 12, each of the adjusting members 123 includes two first adjusting member main bodies 1231 and second adjusting member main bodies 1232 symmetrically disposed along the transverse symmetry axis, and two line passing rollers 1233 respectively disposed at one ends of the first adjusting member main bodies 1231 and the second adjusting member main bodies 1232, and the cable passes through between the line passing rollers 1233. The limiting member 125 is connected to the first adjusting member main body 1231 and the second adjusting member main body 1232, when the limiting member 125 is locked, the positions of the first adjusting member main body 1231 and the second adjusting member main body 1232 are fixed, and when the limiting member 125 is unlocked, the distance between the first adjusting member main body 1231 and the second adjusting member main body 1232 is controlled by rotating the adjuster 126. The adjuster 126 couples the first adjusting member main body 1231 and the second adjusting member main body 1232 together, and adjusts the distance between the first adjusting member main body 1231 and the second adjusting member main body 1232 by rotating the adjuster 126, and the distance between the wire passing rollers 1233 coupled to the first adjusting member main body 1231 and the second adjusting member main body 1232 is also changed, so that the distance between the first adjusting member main body 1231 and the second adjusting member main body 1232 can be adjusted according to the width of the cable, and the line width adjusting part 12 is adapted to various types of cables. The adjuster 126 includes an adjuster body 1261, an adjusting rod 1262 connected to the adjuster body 1261, and the adjuster body 1261 is connected to the first adjusting assembly body 1231 and the second adjusting assembly body 1232 for adjusting a distance between the first adjusting assembly body 1231 and the second adjusting assembly body 1232. The adjustment post 1262 facilitates the rotation of the adjustment assembly body 1231 and also allows the user to observe the rotation angle of the adjustment assembly body 1231 during the rotation of the adjustment assembly body 1231. In addition, during the adjustment, the first adjusting member main body 1231 and the second adjusting member main body 1232 are always symmetrical along the transverse symmetry axis in the cross section of the line width adjusting part 12, thereby ensuring that the central axis of the cable coincides with the transverse symmetry axis of the line width adjusting part 12.

The wire feeding device 13 is used for feeding a cable into the wire width adjusting unit 12 and feeding the cable out of the wire width adjusting unit 12. The wire feeding device 13 includes two wire feeding devices 131 and two wire discharging devices 132 disposed at two ends of the frame 11, two wire pressing devices 133 and two guide wheels 134. The wire inlet device 131 and the wire outlet device 132 are both composed of a plurality of guide rollers 1311, and in the wire inlet device 131 and the wire outlet device 132, every two guide rollers 1311 form a group, and a cable is transmitted between the two guide rollers 1311, so that stable transmission of the cable in a transmission process is ensured. The wire feeding device 131 includes four guide rollers 1311, and is divided into a first set of guide rollers 1312 and a second set of guide rollers 1313, and the first set of guide rollers 1312 and the second set of guide rollers 1313 are both disposed in the longitudinal direction of the frame 11, the central axes of the first set of guide rollers 1312 and the central axes of the second set of guide rollers 1313 are perpendicular to each other, and when a cable passes between the guide rollers 1311 of the first set of guide rollers 1312 and the second set of guide rollers 1313, the cable can move only in the direction of the line width adjusting part 12. The center axis of the first group of guide rollers 1312 and the center axis of the line width adjusting part 12 are perpendicular to each other, and one guide roller 1311 of the first group of guide rollers 1312 is movably connected to the frame 11, and the interval between the guide rollers 1311 of the first group of guide rollers 1312 can be changed by moving the guide roller 1311 according to the type of the cable, thereby being applicable to various cables. The wire outlet device 132 includes two guide rollers 1311 and is disposed on the frame 11 in a longitudinal direction so as to guide the cable to be delivered from the line width adjusting part 12 and to deliver the cable into the wire cutting machine. The wire pressing device 133 and the guide wheel 134 are disposed between the wire inlet device 131 and the wire outlet device 132, the wire pressing device 133 and the guide wheel 134 are disposed in the wire inlet direction and the wire outlet direction of the line width adjusting portion 12, and the wire pressing device 133 and the guide wheel 134 are disposed in a staggered manner, so that when a cable passes through between the wire pressing device 133 and the guide wheel 134, the position of the cable is stable. The thread pressing device 133 includes a base 1331, a groove 1332 disposed on the base 1331, a sliding plate 1333 movably inserted into the groove 1332, a thread pressing wheel 1334 disposed on the sliding plate 1333, a positioning piece 1335 disposed on the frame 11, a screw 1336 screwed on the positioning piece 1335 and screwed with the sliding plate 1333, and a spring 1337 sleeved outside the screw 1336. The sliding plate 1333 slides in the groove 1332, and the cable is stably clamped between the wire wheel 1334 and the guide wheel 134 by changing the distance between the wire wheel 1334 and the guide wheel 134 by moving the sliding plate 1333 due to the different thickness of the cable. In addition, the wire pressing wheel 1334 and the guide wheel 134 are provided with wire accommodating grooves 1338 along the circumferential direction, so that the transmission of cables is facilitated.

The wire cutting portion 20 includes a driving device 21, a holder 22 connected to the driving device 21, and a wire cutter 23 disposed on the holder 22.

The driving device 21 includes a driving machine 211, a first movable assembly 212, and a second movable assembly 213, and the driving machine 211, the first movable assembly 212, and the second movable assembly 213 are all connected to the tool holder 22, so that when the driving machine 211 drives the tool holder 22 to move, the first movable assembly 212 and the second movable assembly 213 also drive the tool holder 22 to move, so that the tool holder 22 is more stable during moving.

The knife holder 22 is connected to the thread opening knife 23, and when the driving device 21 drives the knife holder 22 to move, the thread opening knife 23 is also driven to move.

The thread opening knife 23 is inserted into the through hole 122, the through hole 122 is disposed on a side of the protective cover 121 facing the wire cutting portion 20, and a central axis of the protective cover 121 passes through the through hole 122, thereby ensuring that the thread opening knife 23 can pass through the center of the protective cover 121. And the central axis of the thread opening knife 23 is the same straight line with the central axis of the protective cover 121, so that the thread opening knife 23 passes through the center of the protective cover 121 and evenly separates the cables along the central axis of the cables under the driving of the driving device 21 by the thread opening knife 23.

The skin breaking alarm device 30 is connected with the wire opening knife 23, when the wire opening knife 23 is in wire opening and cuts a protective layer of the cable and touches a metal wire in the cable, the skin breaking alarm device 30 is switched on, so that the skin breaking alarm device 30 gives an alarm to remind a user.

Compared with the prior art, the wire cutting machine knife rest provided by the invention transmits the cable to the wire cutting part 20 through the transmission part 10. The transmission part 10 includes a line width adjusting part 12, the line width adjusting part 12 includes a protective cover 121, a through hole 122 disposed on the protective cover 121, two adjusting components 123 disposed in the protective cover 121, two line passing wheels 124 disposed between the adjusting components 123, four limiting parts 125 connected to the adjusting components 123, and two adjusters 126 connected to the adjusting components 123. And on the cross section of the line width adjusting part 12, two adjusting components 123 are respectively arranged at two sides of the longitudinal symmetry axis, and in the cross section of the line width adjusting portion 12, each of the adjusting members 123 includes two first adjusting member main bodies 1231 and two second adjusting member main bodies 1232 arranged symmetrically along the transverse symmetry axis, and two wire passing rollers 1233 respectively disposed at one ends of the first and second adjusting unit main bodies 1231 and 1232, the adjuster 126 couples the first and second adjustment assembly bodies 1231 and 1232 together, the distance between the first adjusting member main body 1231 and the second adjusting member main body 1232 is adjusted by rotating the adjuster 126, so that various cables can be clamped between the first adjusting member main body 1231 and the second adjusting member main body 1232, and the cables are stabilized during transmission. Further, in the cross section of the line-width adjusting portion 12, the first adjusting member main body 1231 and the second adjusting member main body 1232 are always symmetrical along the lateral symmetry axis, so that when a cable passes between the first adjusting member main body 1231 and the second adjusting member main body 1232, the central axis of the cable passes through the midpoint between the first adjusting member main body 1231 and the second adjusting member main body 1232. In addition, the wire cutter 23 is inserted into the through hole 122, and the central axis of the wire cutter 23 is collinear with the central axis of the protective cover 121, so that the wire cutter 23 is driven by the driving device 21, and the wire cutter 23 penetrates through the center of the protective cover 121 and evenly separates the cables along the central axis of the cables. The skin breaking alarm device 30 is connected with the wire opening knife 23, when the wire opening knife 23 is in wire opening and cuts a protective layer of the cable and touches a metal wire in the cable, the skin breaking alarm device 30 is switched on, so that the skin breaking alarm device 30 gives an alarm to remind a user. This wire cutting machine knife rest is stable at the unwrapping wire in-process, and is changing the convenient easy regulation of electric wire specification, still is increasing brokenly skin alarm device 30, is favorable to guaranteeing the quality of cable.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. The utility model provides a wire cutting machine knife rest which characterized in that: wire cutting machine knife rest includes that one is connected and transmission cable's transmission portion (10), a setting are in with wire cutting machine line cutting portion (20) on transmission portion (10), and one sets up line cutting portion's (20) broken skin alarm device (30), transmission portion (10) include a frame (11), one sets up line width regulating part (12) on frame (11) and one set up send traditional thread binding putting (13) of frame (11), line cutting portion (20) include one drive arrangement (21), one are connected blade holder (22), one setting on drive arrangement (21) are in line opener (23) on blade holder (22), broken skin alarm device (30) with line opener (23) are connected, line width regulating part (12) include one protection casing (121), one set up through-hole (122) on protection casing (121), Two adjusting components (123) arranged in the protective cover (121), two wire passing wheels (124) arranged between the adjusting components (123), four limiting parts (125) connected to the adjusting components (123), and two adjusters (126) connected to the adjusting components (123), wherein the wire opening knife (23) is inserted in the through hole (122), the through hole (122) is arranged on one side of the protective cover (121) facing the wire cutting part (20), the central shaft of the protective cover (121) penetrates through the through hole (122), on the cross section of the wire width adjusting part (12), the two adjusting components (123) are respectively arranged on two sides of a longitudinal symmetry axis, and on the cross section of the wire width adjusting part (12), each adjusting component (123) comprises a first adjusting component main body (1231) and a second adjusting component main body (1232) which are symmetrically arranged along the transverse symmetry axis, and two wire passing rollers (1233) respectively disposed at one end of the first adjusting assembly main body (1231) and one end of the second adjusting assembly main body (1232), wherein the stopper (125) is connected to the first adjusting assembly main body (1231) and the second adjusting assembly main body (1232), when the stopper (125) is locked, the positions of the first adjusting assembly main body (1231) and the second adjusting assembly main body (1232) are fixed, when the stopper (125) is unlocked, the distance between the first adjusting assembly main body (1231) and the second adjusting assembly main body (1232) is controlled by rotating the adjuster (126), the adjuster (126) connects the first adjusting assembly main body (1231) and the second adjusting assembly main body (1232) together, and adjusts the distance between the first adjusting assembly main body (1231) and the second adjusting assembly main body (1232) by rotating the adjuster (126), in the adjusting process, on the cross section of the line width adjusting part (12), the first adjusting component main body (1231) and the second adjusting component main body (1232) are always symmetrical along a transverse symmetry axis, and the central axis of the line opening knife (23) and the central axis of the protective cover (121) are the same straight line, so that the line opening knife (23) is driven by the driving device (21), and the line opening knife (23) penetrates through the center of the protective cover (121) and evenly separates cables along the central axis of the cables.

2. The wire cutting machine tool holder of claim 1, wherein: the adjuster (126) includes an adjuster body (1261), and an adjuster rod (1262) coupled to the adjuster body (1261).

3. The wire cutting machine tool holder of claim 1, wherein: the wire feeding device (13) comprises a wire inlet device (131) and a wire outlet device (132) which are arranged at two ends of the frame (11), two wire pressing devices (133) and two guide wheels (134).

4. The wire trimmer knife rest of claim 3, wherein: the wire inlet device (131) and the wire outlet device (132) are both composed of a plurality of guide rollers (1311), every two guide rollers (1311) in the wire inlet device (131) and the wire outlet device (132) are in a group, the wire inlet device (131) comprises four guide rollers (1311) which are divided into a first group of guide rollers (1312) and a second group of guide rollers (1313), the first group of guide rollers (1312) and the second group of guide rollers (1313) are arranged in the longitudinal direction of the machine frame (11), the central axes of the first group of guide rollers (1312) and the second group of guide rollers (1313) are perpendicular to each other, the central axes of the first group of guide rollers (1312) and the central axes of the line width adjusting part (12) are perpendicular to each other, one guide roller (1311) in the first group of guide rollers (1312) is movably connected to the machine frame (11), and the wire outlet device (132) comprises two guide rollers (1311), and is longitudinally arranged on the frame (11).

5. The wire trimmer knife rest of claim 3, wherein: the wire pressing device (133) and the guide wheel (134) are arranged between the wire inlet device (131) and the wire outlet device (132), the wire pressing device (133) and the guide wheel (134) are arranged in the wire inlet direction and the wire outlet direction of the wire width adjusting portion (12) respectively, and the wire pressing device (133) and the guide wheel (134) are arranged in a staggered mode.

6. The wire trimmer knife rest of claim 3, wherein: the wire pressing device (133) comprises a base (1331), a groove (1332) arranged on the base (1331), a sliding plate (1333) movably inserted in the groove (1332), a wire pressing wheel (1334) arranged on the sliding plate (1333), a positioning piece (1335) arranged on the rack (11), a screw (1336) which is screwed on the positioning piece (1335) and is screwed with the sliding plate (1333), and a spring (1337) sleeved on the outer side of the screw (1336).

7. The wire cutting machine tool holder of claim 6, wherein: the wire pressing wheel (1334) and the guide wheel (134) are provided with wire accommodating grooves (1338) along the circumferential direction.

8. The wire cutting machine tool holder of claim 1, wherein: the driving device (21) comprises a driving machine (211), a first movable assembly (212) and a second movable assembly (213), and the driving machine (211), the first movable assembly (212) and the second movable assembly (213) are all connected with the tool holder (22).