TWI451925B - Method for holding a pipe of a band saw machine and a locking device for pincers - Google Patents

Description

Pipe clamp clamping method of band saw machine and locking device of clamp

The invention provides a pipe clamp clamping method for a band saw machine and a locking device for a clamp, which are related to the manner in which the machine tool grips the pipe member and the structure of the clamping device.

The clamping device 10 of a band saw machine for cutting a pipe member is shown in Fig. 1. The pipe member X is placed on the table 11, and the pipe member X is relatively clamped by two oppositely disposed clamps 12, and each The clamps 12 are respectively driven to be displaced by a pressure cylinder 13, and each of the pressure cylinders 13 is connected to a separate pressure source, and although the clamping device 10 controls the simultaneous clamping action with respect to the clamp 12, each pressure cylinder 13 is a separate pressure source, so that the action of each cylinder 13 inevitably causes a time difference or a pressure difference, which causes the position of the tube X to shift, which affects the precision of the processing. In view of this, the inventors have studied and After more in-depth conceiving, after many research and development trials, the pipe clamping method of the band saw machine and the locking device of the clamp were finally invented.

The invention provides a pipe clamp clamping method for a band saw machine and a locking device for a clamp, the main purpose of which is to solve the problem that the conventional clamp pipe fitting is easy to be offset.

In order to achieve the foregoing objective, the present invention provides a pipe clamp clamping method for a band saw machine and a locking device for a clamp, which are matched with a first clamping device, a second clamping device and a locking device disposed on the band saw machine. Holding the outer peripheral side of the pipe member, each of the clamping devices drives a first clamp and a second clamp displacement by a first driving cylinder and a second driving cylinder, respectively. The pipe clamping method comprises the following steps: (A) a one-way feeding step, the first driving cylinder of the first clamping device drives the first clamp to displace the pipe member, when the first clamping device of the first clamping device The clamp is stopped when the clamp is touched; (B) the one-way locking step is to lock the first clamp of the first clamping device when the first clamping device stops the feeding operation, so that one side of the tubular member Stabilizing against the first clamp of the first clamping device; (C) feeding further, locking the first clamping device, the second clamping device feeding the tubular member until the other member of the tubular member is touched One side; and (D) complete the clamping, and when the second clamping device also touches the tube, the clamping action of the tube is completed.

It is independently fed by the one-side clamping device, and is stopped and locked as a support after the feeding touch pipe member, and then the feeding of another clamping device is performed, so that the pipe member can be surely positioned in the correct machining position. No offset is created to ensure the accuracy of the machining.

Another object of the present invention is to provide a locking device in the pipe clamping method, which is fixedly disposed on a machine table of a band saw machine for locking the first clamping device, and the first clamping device is also disposed on the On the band saw machine, the first clamping device includes the first driving cylinder to drive the first clamp displacement, and the first clamping jaw is formed by vertically extending a clamping portion to form a guiding portion, and the guiding The locking portion is further disposed to form a locking plate, and the locking device is disposed corresponding to the locking plate. The locking device comprises: a seat body, which is formed by extending a pivotal arm on each side of the integral portion, and a pivot hole is disposed on each of the pivoting ears a pivot hole of the two pivots, and a receiving groove on the body; a spring is placed in the receiving groove of the body of the seat body, and the spring is made of a resilient material; a resilient element includes a set of columns and a spring, the set of column locks Fixing on the body of the seat body, and the spring sleeve is disposed outside the sleeve; and a swing arm is formed by a clamping section, a pivoting section and a pressing section, and the clip is formed The holding section has a pressing groove, and the pivoting section has a pivot hole, and the pivoting section of the swing arm is received between the two pivot ears of the seat body and penetrates the pivoting arm and the swing arm with a pivot The pivot hole is pivoted, and the locking plate is located between the body of the seat body and the clamping portion of the swing arm, and the pressing portion of the clamping arm of the swing arm is sleeved to connect the elastic abutting unit One end of the spring, and the pressing portion of the swing arm abuts against the piston against the piston.

The first clamping device is disposed by the locking device, and the swing arm of the locking device can pivot relative to the locking plate of the first clamping device to generate a locked or loose state change, thereby the first clamping After the device is displaced, the first clamp is stably clamped to ensure the purpose of locking the first clamp.

In order to enable the reviewing committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [detailed description of the drawings] as follows: The present invention provides a pipe clamping method for a band saw machine. As shown in Figures 2 to 7, the first clamping device 20, the second clamping device 30 and a locking device 40 are disposed opposite to each other on the band saw machine 100 to clamp the outer peripheral side of the tubular member X. 20, 30 respectively, a first driving cylinder 21 and a second driving cylinder 31 drive a first clamping jaw 22 and a second clamping jaw 32 to be displaced, and the tubular clamping method comprises the following steps: (A) a one-way feeding step, the first driving cylinder 21 of the first holding device 20 drives the first jaw 22 to displace the tube X, when the first jaw 22 of the first clamping device 20 touches the The pipe member X stops the feeding operation; (B) the one-way locking step locks the first clamp 22 of the first clamping device 20 when the first clamping device 20 stops the feeding operation, so that one of the tubular members X The side is stabilized against the first clamp 22 of the first clamping device 20; (C) is fed further, after the first clamping device 20 is locked, the second clamping device 30 feeds the tubular member X until Touching the other side of the pipe member X; and (D) completing the clamping, when the second clamping device 30 also touches the pipe member X, the clamping action of the pipe member X is completed.

The above is the flow of the steps of the pipe clamp clamping method of the band saw machine of the present invention. As can be seen from the above, the present invention is fed by the first clamping device 20 in a single direction when the pipe member X is clamped, and when the first clamp is When the holding device 20 touches the pipe member X, it stops and locks. When the first clamping device 20 touches the pipe member X, the one side of the pipe member X is stably supported by the locked first clamping device 20, and then The feeding of the second clamping device 30 is controlled, and the feeding is stopped when the second clamping device 30 also touches the tubular member X. Thus, since the first clamping device 20 feeds and touches the tubular member X, The action has been stopped, indicating that the pipe member X is already in the set clamping position, and when the second clamping device 30 continues to travel, the position of the pipe member X is not affected, and only the clamp of the clamping pipe member X can be changed. Holding the pressure, this ensures that the pipe can be placed in the set position and the precision of the machining is guaranteed.

The structure of the locking device 40 that locks the first clamping device 20 is fixed. The first clamping device 20 is locked on the machine table of the band saw machine 100. The first clamping device 20 is also disposed on the band saw machine 100, and the first clamping device 20 includes the first driving device. The pressure cylinder 21 drives a first clamp 22 to be displaced. The first clamp 22 is formed by a clamping portion 221 extending perpendicularly to form a guiding portion 222, and the guiding portion 222 further extends to form a locking plate 223. The locking device 40 is disposed at a position corresponding to the locking plate 223, and the locking device 40 includes a base body 41, and a pivot hole 412 is defined on each of the two sides of the integral portion 411. A pivot hole 413 is disposed on each of the pivoting ears 412. The pivot hole 413 of the two pivots 412 is opposite to each other, and the body portion 411 has a receiving groove 414; a spring is pressed against the piston 42, and the outer peripheral surface is wound around a buckle 421 and received in the body 411 of the base 41. The accommodating groove 414 has an abutting piston 422 having a resilient surface. The resilient member 42 is made of a resilient material. The resilient member 43 includes a post 431 and a spring 432. The sleeve 431 is locked on the body 411 of the base 41, and the spring 432 is sleeved outside the sleeve 431; and a swing arm 44 is provided by a clamping section 441. A pivoting portion 442 and a pressing portion 443 are formed in sequence, and the clamping portion 441 has a pressing groove 444, and the pivoting portion 442 has a pivot hole 445, and the pivoting arm 44 is pivoted. The segment 442 is disposed between the two pivoting ears 412 of the base 41 and pivoted through a pivot hole 413, 445 of the pivoting arm 412 and the swing arm 44 by a pivot 45, and the locking plate 223 is located at the seat. Between the body portion 411 of the body 41 and the clamping portion 441 of the swing arm 44, and the pressing groove 444 of the clamping portion 441 of the swing arm 44 covers the end of the spring 432 of the elastic abutting unit 43, and the pendulum arm The pressing portion 443 of the 44 abuts against the abutting surface 422 of the piston 42.

The above is the structural relationship of the locking device, and the operation mode is as shown in FIGS. 5 and 6. When the first clamp 22 is in the state of being displaced and can be displaced, the swing arm 44 is pivoted. 45 pivots the pivoting center, and presses the pressing portion 443 of the swing arm 44 against the abutting surface 422 of the resilient piston 42 to deform the resilient piston 42, and the clamping portion 441 at the other end The locking plate 223 of the first clamping device 20 can be disengaged from the locking plate 223 of the first clamping device 20, and the locking plate 223 of the first clamping jaw 22 can be driven and displaced by the first driving cylinder 21 without being clamped and locked; When the nip portion 221 of the first clamp 22 of the first clamping device 20 is displaced to the position where the tubular member X is touched, the swing arm 44 of the locking device 40 is controlled to pivot in the other direction, that is, When the clamping section 441 of the swing arm 44 pivots in the direction of the seat body 41, the spring 432 is retracted and contracted, and at the same time, the pressing end section 443 of the other end pivots away from the direction of the spring against the piston 42, and the spring is pressed against the piston. 42. The force is lost and the tension is reset. The spring against the piston 42 resets the pressing portion 443 of the swing arm 44, so that the clamping portion 441 of the swing arm 44 is fast and stable. The grounding is clamped to the locking plate 223, so that the first clamp 22 of the first clamping device 20 is firmly locked.

The locking device 40 provides stable support on one side of the tube member X, thereby avoiding the offset of the tube member X when the second clamping device 30 is fed, and ensuring the accuracy of the machining positioning; meanwhile, the locking device 40 is The spring 432 and the elastic restoring property of the piston 42 can further improve the strength and stability of locking the first clamp 22, and improve the reliability of locking the first clamp 22.

"Knowledge Technology"

10‧‧‧Clamping device

11‧‧‧Workbench

12‧‧‧ clamp

13‧‧‧Cylinder

X‧‧‧ pipe fittings

"this invention"

(A) ‧ ‧ one-way feed step

(B) ‧ ‧ one-way locking step

(C) ‧ ‧ additional feed

(D) ‧‧‧Complete clamping

100‧‧‧ Band saw

20‧‧‧First clamping device

21‧‧‧First drive cylinder

22‧‧‧First clamp

221‧‧‧Clamping

222‧‧‧ Guidance Department

223‧‧‧Locking plate

30‧‧‧Second clamping device

31‧‧‧Second drive cylinder

32‧‧‧Second clamp

40‧‧‧Locking device

41‧‧‧ body

411‧‧‧ Body

412‧‧‧ 枢 ear

413‧‧‧Pivot

414‧‧‧ accommodating slots

42‧‧‧Bounced against the piston

421‧‧‧ buckle

422‧‧‧ by the ball

43‧‧‧Bounce unit

431‧‧‧ sets of columns

432‧‧ ‧ spring

44‧‧‧ swing arm

441‧‧‧Clamping section

442‧‧‧ pivotal section

443‧‧‧Present

444‧‧‧pressure groove

445‧‧‧ pivot hole

45‧‧‧ pivot

X‧‧‧ pipe fittings

Figure 1 is a schematic view of a conventional clamping device.

Fig. 2 is a flow chart showing the steps of the pipe clamping method of the band saw machine of the present invention.

Fig. 3 is a plan view showing the band saw machine and the mating member of the pipe clamp clamping method of the band saw machine of the present invention.

Fig. 4 is a perspective view showing the band saw machine and the mating member of the pipe fitting method of the band saw machine of the present invention.

Fig. 5 is a perspective view showing the three-dimensional structure of the locking device in the pipe clamping method of the band saw machine of the present invention.

Fig. 6 is a view showing the state in which the locking device is biased and is not locked in the pipe clamping method of the band saw machine of the present invention.

Fig. 7 is a view showing the state in which the locking device is locked in the pipe clamping method of the band saw machine of the present invention.

(A) ‧ ‧ one-way feed step

(B) ‧ ‧ one-way locking step

(C) ‧ ‧ additional feed

(D) ‧‧‧Complete clamping

Claims (4)

A pipe clamp clamping method for a band saw machine, which is provided with a first clamping device, a second clamping device and a locking device disposed on the band saw machine to clamp the outer peripheral side of the pipe member, and each clamping device respectively A first driving cylinder and a second driving cylinder drive a first clamp and a second clamp displacement, and the tubular clamping method comprises the following steps: (A) one-way feeding step, first clamping The first driving cylinder of the device drives the first clamp to displace the tubular member, and when the first clamp of the first clamping device touches the tubular member, the feeding operation is stopped; (B) the one-way locking step, when the first Locking the first clamp of the first clamping device when the clamping device stops feeding, so that one side of the tubular member is stably abutted against the first clamp of the first clamping device; (C) feeding further After locking the first clamping device, the second clamping device feeds the tubular member until it touches the other side of the tubular member; and (D) completes the clamping when the second clamping device also touches the tubular member At the time, the clamping action of the pipe is completed. A locking device in a pipe clamping method according to claim 1 is fixedly mounted on a machine of a band saw for locking the first clamping device, and the first clamping device is also disposed on the belt And the first clamping device includes the first driving cylinder to drive the first clamping displacement, the first clamping jaw is formed by a clamping portion extending vertically to form a guiding portion, and the guiding portion is formed Further extending a locking plate, and the locking device is disposed corresponding to the locking plate, the locking device comprises: a seat body, which is formed by extending a pivotal arm on each side of the integral portion, and each of the pivoting ears is provided a pivot hole is disposed, the pivot holes of the two pivot ears are opposite, and the body portion has a receiving groove; a spring is pressed against the piston and is received in the receiving groove of the body of the seat body, and the spring resisting piston has An elastic material; a projectile unit comprising a set of columns and a spring, the set of columns being locked to the body of the base body, the spring sleeve being disposed outside the set of columns; and a swing arm, The clamping section is formed by a clamping section, a pivoting section and a pressing section, and the clamping section has a pressing groove, and the pivoting section has a pivot hole, and the pivoting section of the swing arm The pivotal hole is disposed between the two pivoting ears of the base body and pivoted through the pivot holes of the pivoting arms and the swing arm, and the locking plate is located at the body of the seat body and the clamping arm of the swing arm Between the segments, the pressing sleeve of the clamping portion of the swing arm is sleeved to connect one end of the spring of the elastic abutting unit, and the pressing portion of the swing arm abuts against the spring against the piston. The locking device of claim 2, wherein the spring is wound around a ring around the outer circumference of the piston. The locking device of claim 2, wherein the resilient piston has an abutting surface, and the pressing portion of the swing arm abuts against the abutting surface of the piston.