TWM546275U - Driver for forged article processing machine - Google Patents

Description

Forging part machine processing device

The present invention relates to a forging part processing machine for processing a workpiece such as a screw or a screw, and more particularly to a driving device for a forged part processing machine.

Referring to Fig. 1, a conventional forging part machine driving device is suitable for driving a jig 11 to clamp or release a forged part such as a screw semi-finished product or a screw semi-finished product. The driving device of the conventional forged part processing machine includes a shaft 12 that rotates about its own axis, a sleeve that is sleeved on the shaft 12 and driven by the shaft 12 to rotate coaxially with the shaft 12 a cam 13 , a support shaft 14 axially spaced from the shaft 12 and spaced apart from the shaft 12 , a swing arm 15 centrally sleeved on the support shaft 14 , one end abutting the swing arm 15 and the other end pivoting A connecting rod 16 connected to the clamp 11 and a spring 17 which is sleeved on the connecting rod 16 and can drive the connecting rod 16 and the swing arm 15 to actuate. The swing arm 15 is opposite to one end of the link 16 and a roller 18 abuts against the cam 13.

When the driving device of the conventional forged part processing machine is in operation, the swing arm 15 is driven by the cam 13 to pivot with the support shaft 14 as a fulcrum, and the clamp 11 is moved forward to clamp the forging. In the component, the spring 17 can move the connecting rod 16 and the clamp 11 backward to cause the clamp 11 to release the forged part. During the process of clamping the jig 11 and during the forging process of the forged part, the fulcrum 14 is easily deformed by the stress, and the clamping precision of the jig 11 is reduced, and the roller 16 is also easy to be used. It has been damaged by long-term stress and needs to be improved.

It is an object of the present invention to provide a drive apparatus for a forged part processing machine that overcomes at least one of the disadvantages of the prior art.

The driving device of the forged part processing machine is adapted to drive a jig forward to hold a forged part, or to release the forged part later. The driving device of the forged part processing machine comprises a fulcrum unit, a rocker unit, a linkage unit, and a cam unit.

The fulcrum unit is disposed axially rearward of the clamp. The rocker arm unit includes a swing arm that can swing back and forth, and a pivot arm group that is axially pivotally connected between the swing arm and the clamp. The swing arm includes a sleeve portion sleeved on the spindle unit, and a first end portion and a second end portion respectively pivotally connected to the pivot arm group at opposite ends of the sleeve portion. The linkage unit is coupled to the swing arm and includes a first arm group and a second arm group that can be pivoted forward and backward with one end of the linkage unit. The first arm set and the second arm set extend outward from the fulcrum unit to gradually face away from each other. The cam unit is rotatable about a left-right self-axis and spaced apart from the fulcrum unit, and the first arm set of the linking unit abuts the other end of the second arm set. The cam unit can drive the linkage unit to pivot forward and backward to cause the linkage unit to drive the swing arm to pivot.

The function of the driving device of the forged part processing machine is that the pivoting design of the pivoting arm set reduces the force path of the supporting shaft unit, so that the supporting shaft unit is not easily deformed, and the service life of the supporting shaft unit is prolonged. The invention solves the problem that the clamp clamping precision is easy to be reduced in the past, and at the same time reduces the force applied to the rollers of the first arm set and the second arm set, and reduces the probability of the roller damage leading to the stop replacement, thereby improving The advantages of capacity.

Referring to Figures 2, 3 and 4, an embodiment of the driving device of the forged part processing machine of the present invention is suitable for mounting in a forged part processing machine. The forging part processing machine comprises a base (not shown), a base 21 disposed on the base, and arranged in the base 21 in a front-rear arrangement and capable of cooperating to clamp a forged part (not shown) A clamp 22 and a clamp member 23, and a punching device (not shown) that can be used to punch the forged part.

The clamp 22 is slidable in the base 21 to approach the clamp 23 forward or to be separated from the clamp 23 in the future. The forged part may be, for example, a screw semi-finished product or a bolt semi-finished product or the like. Since the above-mentioned machine base, forged parts, and punching and forging apparatus are conventional techniques at the time of application of the present application, and are not the focus of the present invention, the illustration is omitted in the drawings.

The embodiment includes a pivot unit 3 disposed on the base 21 and spaced behind the clamp 22, a rocker unit 4 connected between the support unit 3 and the clamp 22, and a support unit 3 A linkage unit 5 extending downward, and a cam unit 6 spaced below the spindle unit 3 and abutting against the linkage unit 5.

The fulcrum unit 3 extends axially to the left and right to form a cylindrical shape, and the rocker arm unit 4 and the linkage unit 5 are sheathed thereon.

The swing arm unit 4 includes a swinging swing arm 41, a pivot arm group 42 pivotally connected between the swing arm 41 and the clamp 22, and a first one disposed on the swing arm 41. The abutting block 43 and a second abutting block 44. The swing arm 41 includes a sleeve portion 411 sleeved on the spindle unit 3, and a first end portion 412 and a second end portion 413 respectively connected to opposite ends of the sleeve portion 411. The pivot arm group 42 includes a connecting arm 421 connected to the clamp 22 and interlocking with the clamp 22, and two left and right spaced apart and axially connected to the rear end of the connecting arm 421 and the swing arm 41. A pivot arm 422 between the first ends 412. The first abutting block 43 is disposed on the bottom side of the first end portion 412. The second abutting block 44 is disposed on a bottom side of the second end portion 413. In other embodiments of the present invention, the pivot arm group 42 can also include only one of the pivot arms 422, and the first abutting block 43 and the second abutting block 44 are omitted.

The linkage unit 5 includes a first arm group 51 and a second arm group 52 that are respectively sleeved at one end of the pivot unit 3 and abut the cam unit 6 at the other end and can be pivoted back and forth. a first arm member 51 and a first linking member 53 of the swing arm 41 and a second linking member 54, a first insertion member 55 (refer to FIG. 5) inserted in the first arm group 51, and a The second insertion member 56 (auxiliary reference FIG. 5) is inserted into the second arm group 52, and an elastic member 57 is disposed between the first arm group 51 and the second arm group 52.

The first arm set 51 has a first base arm 511 and a first roller 512 disposed at the bottom of the first base arm 511. The first base arm 511 has two first sleeve portions 513 which are spaced apart from each other and are sleeved on the spindle unit 3, and a first extension portion 514 extending rearward from the first sleeve portions 513, and A first arm portion 515 extending obliquely forward from the first sleeve portion 513. The first sleeve portions 513 are located on opposite sides of the left and right sides of the sleeve portion 411 of the swing arm 41. The first roller 512 is rollably disposed at the bottom of the first arm portion 515 and is rolled against the cam unit 6. In other embodiments of the present invention, the first base arm 511 can also include only one of the first sleeve portions 513.

The second arm set 52 has a second base arm 521 and a second roller 522 disposed at the bottom of the second base arm 521. The second base arm 521 has a second sleeve portion 523 sleeved on the spindle unit 3, a second extension portion 524 extending rearward from the second sleeve portion 523, and a second extension portion 524. The sleeve portion 523 has a second arm portion 525 that extends obliquely downward. The second extension portion 524 is located below the first extension portion 514 and is spaced apart from the first extension portion 514 . The second arm portion 525 and the first arm portion 515 extend back and forth in opposite directions to gradually deviate from each other and cooperate to form an angle A1. The second roller 522 is rollably disposed at the bottom of the second arm portion 525 and is rolled against the cam unit 6.

2, 4, and 5, the first linking member 53 is a screw that can be screwed through the first arm portion 515 of the first base arm 511 and abuts at one end thereof. The bottom side of the first abutting block 43 of the rocker unit 4. The second linking member 54 is a screw that can be screwed through the first extending portion 514 of the first base arm 511 and abuts against the second abutting of the rocker arm unit 4 at one end thereof. The bottom side of the block 44. In other embodiments of the present invention, if the first abutting block 43 and the second abutting block 44 are omitted, the other end of the first linking member 53 can directly abut the first portion of the swing arm 41. The other end of the second linking member 54 can directly abut the second end portion 413 of the swing arm 41.

The first insertion member 55 has a wide head portion 551 and a narrow body portion 552 movably inserted into the first extension portion 514. The second insertion member 56 is a screw that is screwed into the second extension portion 524 of the second base arm 521 and abuts against the bottom side of the wide head portion 551 at one end thereof.

The elastic member 57 is a spring between the first extending portion 514 and the second extending portion 524, and is sleeved on the narrow body portion 552, and the opposite ends of the upper and lower ends abut the width. The top side of the head 551 is spaced from the bottom side of the first extension 514. The elastic member 57 can provide an elastic force for ejecting the first extending portion 514 and the second extending portion 524 such that the first arm portion 515 and the second arm portion 525 can elastically face each other.

Referring to Figures 2, 3 and 6, the cam unit 6 includes a first cam 61 and a second cam 62 spaced apart from each other, and a left and right axially disposed on the base for the first cam 61 and the The drive shaft 63 is sleeved by the second cam 62. The first cam 61 has a first flat wheel surface 611 extending in the circumferential direction and having a C shape, and a concave concave surface 612 which is connected to both ends of the first flat wheel surface 611 and which is radially concave. The first flat wheel surface 611 is for the first roller 512 of the first arm set 51 to roll. The second cam 62 has a second flat wheel surface 621 extending in the circumferential direction and having a C shape, and a cam surface 622 that connects the both ends of the second flat wheel surface 621 and radially protrudes. The second flat wheel surface 621 is for the second roller 522 of the second arm set 52 to roll. The second flat wheel surface 621 cooperates with the first flat wheel surface 611 to form a flat wheel surface set 64. The drive shaft 63 can drive the first cam 61 and the second cam 62 to rotate along their own axes.

This embodiment can be switched between a first state as shown in FIG. 3 and a second state as shown in FIG. 6 during operation.

In the first state, the first arm group 51 and the second arm group 52 are adjacent to each other under the elastic force provided by the elastic member 57, and the first roller 512 and the second roller 522 are respectively respectively. The first flat wheel surface 611 and the second flat wheel surface 621 are rolled. The clamp 22 and the clamp member 23 abut against each other to clamp the forged part.

When the driving shaft 63 rotates, the first cam 61 and the second cam 62 can be rotated, so that the first cam 61 is rotated by the first flat wheel surface 611 and the concave wheel surface 612 abuts the first roller. 512. At the same time, the second cam 62 is rotated by the second flat wheel surface 621 to the cam surface 622 to abut the second roller 522.

The second roller 522 is abutted against the cam surface 622, and the second base arm 521 is pivoted rearwardly about the pivot unit 3, and the first insertion portion 524 is inserted through the first insertion portion. And the second insertion portion 514 of the first base arm 511 is abutted upward, and the first base arm 511 is the main shaft 511 The axis pivots back in synchronization with the first base arm 511. During the pivoting of the first base arm 511, the first extension portion 514 of the first base arm 511 transmits the first arm of the swing arm 41 through the second linkage member 54 (auxiliary reference FIG. 4). The two ends 413 are abutted upwards, so that the swing arm 41 pivots with the pivot unit 3 as an axis, and the first end 412 of the swing arm 41 is pivoted downward to drive each pivot arm 422. The two pivoting portions are pivoted, and the connecting arm 421 is driven to separate the clamp 22 from the clamping member 23, so that the embodiment comes to the second state.

In the second state, the first arm set 51 and the second arm set 52 are also brought close to each other under the elastic force provided by the elastic member 57, respectively, with the first roller 512 and the second roller respectively. 522 is rolled against the concave wheel surface 612 and the cam surface 622. The clamp 22 and the clamp member 23 are separated from each other to release the forged part that is cooperatively clamped in the first state.

The driving shaft 63 is continuously rotated to drive the first cam 61 and the second cam 62 to provide the first roller 512 and the second roller with the first flat surface 611 and the second flat surface 621, respectively. Child 522 rolls over.

The first roller 512 is abutted against the first flat wheel surface 611, and the second base arm 521 is pivoted forwardly with the pivot unit 3 as an axis, and the first arm portion 515 is passed through the first roller portion 515. A linkage member 53 (auxiliary reference FIG. 4) abuts the first end portion 412 of the swing arm 41 upward, so that the swing arm 41 pivots with the pivot shaft unit 3 as an axis and drives each pivot arm The two pivoting portions of the 422 are pivoted, and the connecting arm 421 is driven to cause the clamp 22 to be forwardly engaged with the clamping member 23, so that the embodiment returns to the first state.

When the first embodiment and the second state are changed, the embodiment receives the impact force generated when the clamp 22 is attached to the clip 23, and when the forged part is swaged by the punching device. The generated forging force, but the embodiment of the pivot arm group 42 can reduce the force of the first arm group 51 and the second arm group 52, so that the first arm group 51 and the second The arm set 52 is not easily deformed, and the service life of the components of the first arm set 51 and the second arm set 52 is effectively extended, and the clamp unit 3 is clamped to the clamp member 23 due to stress deformation. The problem of reduced accuracy. In addition, the embodiment can reduce the force of the first roller 512 and the second roller 522, and improve the service life of the first roller 512 and the second roller 522.

In the first state, the interlocking unit 5 is mainly the first arm portion 515 of the first arm group 51, and the first roller 512 is received by the first flat wheel surface 611. The first base arm 511 can abut the swing arm 41. In the second state, the linkage unit 5 is mainly the second arm portion 525 of the second arm set 52, and the second roller is transmitted through the second roller. The 522 is abutted by the cam surface 622, so that the second base arm 521 can indirectly pass through the first extending portion 514 of the first base arm 511 against the swing arm 41. Since the first arm group 51 and the second arm group 52 are alternately subjected to the action of the cam unit 6, the force from the cam unit 6 can be dispersed, and the first base arm 511 and the first roller 512 can be improved. The service life of the second base arm 521 and the second roller 522 is reduced, and the first base arm 511, the first roller 512, the second base arm 521, and the second roller 522 are damaged. Need to stop the replacement rate and improve machine production efficiency.

The elastic member 57 can abut the first extending portion 514 of the first base arm 511 and can press the second extending portion 524 of the second base arm 521 downward to make the first base arm The first arm portion 515 of the 511 and the second arm portion 525 of the second base arm 521 are elastically adjacent to each other. Such a design ensures that the first roller 512 and the second roller 522 can still abut the cam unit 6 when there is an error in the manufacture or mounting of the component. The elastic member 57 also has the effect of absorbing the stress experienced by the first arm group 51 and the second arm group 52. In addition, when the installation is not ideal or is used to produce different forged parts, and the spacing or the clamping state of the clamp 22 and the clamp 23 are adjusted, the user can adjust the first linkage 53 by screwing. With the second linking member 54, the relative positional relationship between the first base arm 511 and the swing arm 41 is changed, and the pivoting state of the swing arm 41 is changed.

In summary, the driving device of the forged part processing machine of the present invention has the effect of reducing the stress received by the fulcrum unit 3 through the linking unit 5 and the pivoting arm group 42, and lifting the fulcrum unit 3 Improve the productivity of the machine by solving the problem of lowering the clamping accuracy and reducing the possibility of replacement due to part damage.

The above is only the embodiment of the present invention, and the scope of the novel implementation cannot be limited thereto. Any simple equivalent change and modification according to the scope of the patent application and the patent specification of the present invention still belong to the novel patent. Covered by the scope.

21‧‧‧Base
22‧‧‧Clamp
23‧‧‧Clamps
3‧‧‧ Axle unit
4‧‧‧ rocker unit
41‧‧‧ swing arm
411‧‧‧ wearing sets
412‧‧‧ first end
413‧‧‧ second end
42‧‧‧ pivot arm group
421‧‧‧With arms
422‧‧‧ pivot arm
43‧‧‧First abutment block
44‧‧‧second abutment block
5‧‧‧ linkage unit
51‧‧‧First arm group
511‧‧‧ first base arm
512‧‧‧First Roller
513‧‧‧The first set of departments
514‧‧‧First Extension
515‧‧‧First arm
52‧‧‧second arm group
521‧‧‧second base arm
522‧‧‧Second roller
523‧‧‧Second Department
524‧‧‧Second extension
525‧‧‧second arm
53‧‧‧First linkage
54‧‧‧Second linkage
55‧‧‧First plug-in
551‧‧ Wide head
552‧‧‧Narrow body
56‧‧‧Second plug-in
57‧‧‧Flexible parts
6‧‧‧Cam unit
61‧‧‧First Cam
611‧‧‧First flat face
612‧‧‧ concave face
62‧‧‧second cam
621‧‧‧Second flat face
622‧‧‧ cam surface
63‧‧‧Drive shaft
64‧‧‧flat face group
A1‧‧‧ angle

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a schematic view of a conventional forged part processing machine; Figure 2 is a new forged part processing machine A partially exploded perspective view of one embodiment of a drive device; Figure 3 is a combined side view of the embodiment illustrating the embodiment in a first state; Figure 4 is a cross-sectional view of the embodiment A cutaway incomplete cross-sectional view illustrating the embodiment in the first state and illustrating the assembled relationship of a first linkage and a second linkage to other components; FIG. 5 is another front and rear of the embodiment. A cutaway incomplete cross-sectional view illustrating the embodiment in the first state and illustrating the assembly relationship of a first interposer and a second interposer with other components; and FIG. 6 is the embodiment A combined side view of the embodiment illustrating the embodiment in a second state.

21‧‧‧Base

22‧‧‧Clamp

23‧‧‧Clamps

3‧‧‧ Axle unit

4‧‧‧ rocker unit

41‧‧‧ swing arm

411‧‧‧ wearing sets

412‧‧‧ first end

413‧‧‧ second end

42‧‧‧ pivot arm group

421‧‧‧With arms

422‧‧‧ pivot arm

43‧‧‧First abutment block

44‧‧‧second abutment block

5‧‧‧ linkage unit

51‧‧‧First arm group

511‧‧‧ first base arm

512‧‧‧First Roller

513‧‧‧The first set of departments

514‧‧‧First Extension

515‧‧‧First arm

52‧‧‧second arm group

521‧‧‧second base arm

522‧‧‧Second roller

523‧‧‧Second Department

524‧‧‧Second extension

525‧‧‧second arm

53‧‧‧First linkage

54‧‧‧Second linkage

55‧‧‧First plug-in

551‧‧ Wide head

552‧‧‧Narrow body

56‧‧‧Second plug-in

57‧‧‧Flexible parts

6‧‧‧Cam unit

61‧‧‧First Cam

611‧‧‧First flat face

62‧‧‧second cam

621‧‧‧Second flat face

622‧‧‧ cam surface

63‧‧‧Drive shaft

64‧‧‧flat face group

Claims (8)

A driving device for a forging part processing machine, which is suitable for driving a jig forward to hold a forged part, or to release the forged part backwards, the driving device of the forging part processing machine comprises: a fulcrum unit, left and right axes Provided to the ground behind the clamp; a rocker arm unit including a swingable swing arm and a pivot arm group axially axially coupled between the swing arm and the clamp, the swing arm including a sleeve a sleeve portion on the fulcrum unit, and a first end portion and a second end portion respectively pivotally connected to the pivot arm group at opposite ends of the sleeve portion; a linkage unit, and the pendulum The arm is interlocked, and includes a first arm group and a second arm group that can be pivoted back and forth with one end of the fulcrum unit, and the first arm group and the second arm group are supported by the fulcrum The unit extends outwardly and gradually deviates from front to back; and a cam unit is rotatable about the left and right self-axis and spaced apart from the fulcrum unit, and the first arm group and the second arm group of the linking unit are respectively The other end is abutted The cam unit can drive the linkage unit to pivot forward and backward to cause the linkage unit to drive the swing arm to pivot. The driving device for a forged part processing machine according to claim 1, wherein the cam unit includes a flat wheel surface group for abutting the first arm group and the second arm group, and a flat wheel surface group connected thereto a radially concave concave wheel surface and a radially outwardly projecting cam surface, the driving device of the forging part processing machine being switchable from a first state to a second state, in the first state, the flat wheel surface The first arm set is abutted against the second arm set, and the interlocking unit drives the swing arm to drive the clamp to clamp the forged part. In the second state, the cam unit is rotated to the concave wheel The face and the cam surface respectively abut the first arm set and the second arm set, so that the linking unit drives the swing arm to pivot and drives the clamp to release the forged part. The driving device of the forged part processing machine according to claim 1, wherein the pivot arm group includes a connecting arm connected to the jig, and a left and right axially pivotally connected to the connecting arm and the swing arm A pivotal arm between the first ends. The driving device for a forged part processing machine according to claim 1, wherein the linking unit further comprises a first arm group and the second arm group and can force the first arm group and the second arm The sets of elastically oppose each other against the resilient members of the cam unit. The driving device for a forged part processing machine according to claim 4, wherein the first arm group has a first base arm, and the first base arm has a first sleeve portion sleeved on the fulcrum unit a first extending portion extending rearwardly from the first sleeve portion, and a first arm portion extending obliquely downward from the first sleeve portion, the second arm group having a second base arm The second base arm has a second sleeve portion sleeved on the spindle unit, a second extension portion extending rearward from the second sleeve portion, and a second sleeve portion a second arm portion extending downwardly and downwardly, the elastic member being disposed between the first extension portion and the second extension portion, and capable of providing an elastic force to the first extension portion and the second extension portion, and forcing the The first arm portion is elastically opposed to the second arm portion. The driving device for a forged part processing machine according to claim 5, wherein the linking unit further includes a first end portion movably attached to the first arm portion and the other end abutting the first end portion of the swing arm a linkage member, and a second linkage member movably mounted to the first extension portion at one end and abutting the second end portion of the swing arm at the other end, the first linkage member and the second linkage member are allowed Adjusting the angle of the swing arm relative to the first base arm. The driving device for a forged part processing machine according to claim 5, wherein the first arm group further has a first roller disposed at a bottom of the first arm portion and rolling against the cam unit, the second arm group There is also a second roller disposed at the bottom of the second arm and rolling against the cam unit. The driving device for a forged part processing machine according to claim 5, wherein the linking unit further includes a first insertion member interposed in the first extension portion of the first base arm, and a plug-in portion a second insertion member of the second extension portion of the second base arm, the first insertion member having a wide head abutting the second insertion member, and a movably inserted portion of the first extension The narrow portion of the portion is disposed on the narrow body portion and abuts between the wide head portion and the first extension portion.