TW201433405A - Dual needle roller boosting vise - Google Patents

Abstract

A dual needle roller boosting vise comprises a vise main body, wherein its rear end of a female screw rod of driving a movable mouthpiece is disposed with a polygonal post, a boosting mechanism engaged with the rear end of the female screw rod having a sleeve, a front end of the sleeve being disposed a polygonal hole fitting the polygonal post, a front top ring disposed in the sleeve, a rear top ring corresponding to the front top ring, two needle rollers located between the front top ring and the rear top ring, and a crown bar passing through the center of the rear top ring, a cone portion, which leans against the two needle rollers, disposed at the front end of the crown bar, and a clutch mechanism disposed at the rear end of the sleeve and comprising a clutch ring, a socket nut leaning against the rear end of the clutch ring, a sub-screw rod screwed in the socket nut, a thrust bearing disposed at the front end of the sub-screw rod, and a sliding disc propping between the front of the thrust bearing and the rear end of the crown bar, thereby constituting the dual needle roller boosting vise operable in a more labor-efficient manner.

Description

Double needle roller

The invention relates to a double needle roller force vise, in particular to a double needle roller force vise design capable of generating a double force clamping force.

The conventional double force vise can be divided into mechanical double force vise and hydraulic multiple force vise. The mechanical force force vise has many kinds of force mechanism. Among them, there is a double needle roller force vise for practical use. The best-purpose Bühler vise technology, such as China's Announcement No. 507624 double needle push-pull force vise, M270880 high-power constant pressure vise, M270879 double needle push-pull fixed force vise, M270878 The force clamp is used to clamp the force, and the M435335 force vise transmission structure.

The main mechanism of the above-mentioned double-needle double-force vise is that a sub-screw drives an outer cylinder through a clutch steel ball, and the outer cylinder will synchronously drive the female screw to rotate (the female screw only rotates without moving forward), thereby making the nut seat and the activity The mouth gold is moving fast. When the movable mouth gold abuts against the workpiece, when the operator rotates the sub-screw, the clutch ball will be disengaged from the outer cylinder, so that the sub-screw can advance through the thread action, pushing the tapered screw at the front end of the sub-screw, pushing and pulling The sides of the pin have a beveled surface that can act on the double needle roller, so that the mother screw can be pushed forward (in this case, the female screw does not rotate), and the nut seat and the movable port gold can be generated to generate more thrust, and the workpiece can be stably Clamped in the fixed mouth gold and Activity between the gold.

However, the above-mentioned double-needle double-force vise still has many problems to be overcome, wherein the front end surface of the sub-screw is directly in contact with the rear end surface of the push-pull pin, so that the front end face of the sub-screw will advance with the rotation forward. The rear end face of the push pin produces a large frictional force, causing the sub-screw to operate insufficiently smoothly. Furthermore, when the sub-screw force pushes the push pin, the axial reaction force will occur at the same time, so that the step surface of the rear screw sleeve screwed with the sub-screw will rub against the rear end seat of the vise. As a result, the sub-screw does not run smoothly, and the operator has to work harder to rotate the sub-screw.

The object of the present invention is to provide a double needle roller double force vise, which has the advantages of increased clamping force, smoother rotation and labor saving by the design of the internal double force mechanism and the clutch mechanism.

In order to achieve the above object, the preferred embodiment of the double-needle-needle vise of the present invention comprises: a vise body comprising a base, the top of which is formed with two sliding rails, and a groove is formed in the middle of the two sliding rails; a fixed mouth gold, which is coupled to the front end of the two slide rails; a movable mouth gold, which is slidably disposed on the two slide rails, corresponding to the fixed mouth gold; a nut seat slidably disposed in the groove, and The bottom end of the movable mouth is recessed with a receiving hole, and the front end is provided with a female screw hole communicating with the receiving hole; a female screw is screwed to the female screw hole, so that the front end extends In the recess, the rear end extends to the receiving hole, and a rear end of the base is provided with a polygonal column; a rear seat is coupled to the rear end of the base, and is provided with a pair of first through holes that should be recessed, the first A first thrust bearing is disposed at a front end of a through hole.

a double force mechanism comprising a sleeve having an inner hole at a rear end thereof, the front end being provided with a polygonal hole communicating with the inner hole, the polygonal hole being sleeved on the polygonal column of the female screw; and a front top ring Bonded to the rear end of the female screw and received in the inner hole of the sleeve; a rear top ring disposed in the inner hole of the sleeve, having a front end surface corresponding to the front top ring, symmetrical recess a plurality of chutes on the front end surface, and a second through hole communicating from the rear end to the center of the two chutes, wherein the two chutes form two symmetrical surfaces; the two needle rollers are respectively accommodated in the two oblique lines a cylindrical body in the groove, the circumferential surface of which abuts against the rear end of the front top ring and the inclined surface of the inclined groove; a ram, which is disposed through the second through hole of the rear top ring, and has a front end The tapered portion forms two symmetrical tapered surfaces, each of which abuts against the needle.

a clutch mechanism comprising a clutch ring fixed in the inner hole of the sleeve and abutting against the rear end of the rear top ring, one side wall of which is provided with a first positioning hole; a nut sleeve fixed at In the inner hole of the sleeve, the front end thereof abuts against the rear end of the clutch ring, the rear end of the inner hole passes through the first through hole of the rear seat, and a sub-thread hole is arranged in the center thereof, and the middle portion is provided with the same a stepped surface of the first thrust bearing; a sub-screw screwed into the sub-thread hole of the nut sleeve, and a second positioning hole is disposed on one side of the front end thereof, and the second positioning hole receives an elastic component and a a clutch ball, the clutch ball is fitted to the first positioning hole; a second thrust bearing disposed at a front end of the sub-screw; and a sliding plate abutting against the front of the second thrust bearing Between the rear ends of the ejector pins.

The double needle roller rivet according to the above preferred embodiment, wherein a rear end of the first through hole of the rear seat is provided with a third thrust bearing; The rear end of the nut sleeve is sleeved with a retaining ring, and the retaining ring abuts against the third thrust bearing.

According to the preferred embodiment of the present invention, the double needle roller vise has an angle of 30 to 60 degrees, preferably 45 degrees.

According to the preferred embodiment of the present invention, the bottom surface of the groove of the base is provided with a chip slanting surface extending forward and downward to discharge the machining debris falling into the groove.

Thereby, the double needle roller double force vise of the invention can reduce the friction force when the sub-screw rotates through the design of each thrust bearing and the sliding plate, thereby achieving the smooth rotation and the labor saving effect. Moreover, through the angle design of the two tapered surfaces at the front end of the ejector rod, the clamping force can be generated when the double force mechanism is actuated, thereby achieving the effect of stable clamping and labor saving.

1‧‧‧Vise body

11‧‧‧Base

111‧‧‧Slide rails

112‧‧‧ Groove

113‧‧‧ Chip slant

12‧‧‧ Fixed gold

13‧‧‧Event Gold

14‧‧‧ nut seat

141‧‧‧ accommodating holes

142‧‧‧ female screw hole

15‧‧‧Female screw

151‧‧‧Polygon column

16‧‧‧ Back seat

161‧‧‧ first through hole

162‧‧‧First thrust bearing

163‧‧‧ Third thrust bearing

17‧‧‧ ultimate stop

2‧‧‧ 倍力机构

21‧‧‧Sleeve

211‧‧‧ hole

212‧‧‧Polygonal holes

22‧‧‧ Front top ring

23‧‧‧Flexible washers

24‧‧‧ Rear top ring

241‧‧‧ front end

242‧‧‧Two chutes

243‧‧‧Bevel

244‧‧‧second through hole

25‧‧‧needle needle

26‧‧‧Pole

261‧‧‧ cone

262‧‧‧ Cone

3‧‧‧Clutching agency

31‧‧‧Clutch ring

311‧‧‧First positioning hole

32‧‧‧ nut sets

321‧‧‧Spiral hole

322‧‧ ‧ class

33‧‧ ‧ retaining ring

34‧‧‧Sub-screw

341‧‧‧Second positioning hole

342‧‧‧Flexible components

343‧‧‧Clutch steel ball

35‧‧‧Second thrust bearing

36‧‧‧Sliding disc

10‧‧‧ Tools

20‧‧‧Workpiece

The first figure is a schematic perspective view of the combination of the double needle roller double force vise of the present invention.

The second figure is a schematic cross-sectional view of the double needle roller double force vise of the present invention.

The third figure is an exploded perspective view of the double needle roller double force vise of the present invention.

The fourth figure is an exploded perspective view of the double force mechanism and the clutch mechanism of the present invention.

The fifth figure is an exploded perspective view of the front and rear top rings, needle rollers and ejector pins of the present invention.

The sixth figure is a schematic diagram 1 of the use action of the double needle roller double force vise of the present invention.

The seventh figure is a schematic diagram 2 of the use action of the double needle roller double force vise of the present invention.

The eighth figure is a schematic diagram 3 of the use action of the double needle roller double force vise of the present invention.

The structural features and other functions and objects of the present invention will be described in detail below with reference to the accompanying drawings. Referring to the first and second figures, the preferred embodiment of the double needle roller rivet of the present invention is The utility model comprises a vise body 1, a double force mechanism 2 and a clutch mechanism 3, wherein: as shown in the second figure and the third figure, the vise body 1 has a base 11 and two sides of the base 11 are formed. Parallel slide rails 111, a groove 112 is formed in the middle of the two slide rails 111, and a bottom surface of the recess 112 is provided with a chip flute 113 extending forward and downward to discharge the machining debris dropped into the groove 112. A fixed gold 12 is implemented as a rectangular block or other shape so as to be joined across the front end of the two slide rails 111. A movable mouth gold 13 is implemented as a rectangular block or other shape that is slidably disposed on the two slide rails 111 corresponding to the fixed port gold 12 for holding the workpiece therebetween. A nut holder 14 is a member for driving the movable gold 13, which is slidably disposed in the recess 112 of the base 11, and is coupled to the lower portion of the movable gold 13, and has a receiving hole 141 at the rear end thereof and a connecting end. The female screw hole 142 of the hole 141 is accommodated. A female screw 15 that drives the nut holder 14 and the movable gold 13 to slide back and forth is screwed to the female screw hole 142 such that the front end extends in the recess 112 of the base 11 and the rear end extends into the receiving hole 141. And a polygonal column 151 (for example, a hexagonal column) is disposed at the rear end thereof for connecting with the double force mechanism 2. And a rear seat 16, which is a rear end fulcrum of the double force mechanism 2 and the clutch mechanism 3, is coupled to the rear end of the base 11, and is provided with a first through hole 161 corresponding to the groove 112, and the first through hole 161 The front end is provided with a first thrust bearing 162, and the first through hole 161 A third thrust bearing 163 is provided at the rear end. Wherein, the front end of the female screw 15 can be coupled with a limit flap 17 for limiting the limit of the forward stroke of the nut seat 14.

As shown in the second, fourth and fifth figures, the multiple force mechanism 2 is used to generate a larger force to push the mother screw 15 forward, which includes a sleeve 21, and a rear end of the sleeve 21 is provided. The inner hole 211 has a polygonal hole 212 (for example, a hexagonal hole) communicating with the inner hole 211, and the polygonal hole 212 is sleeved on the polygonal column 151 at the rear end of the female screw 15, so that the sleeve 21 can drive the female screw 15 Rotate without the need for other fixing elements to make the connection. a front top ring 22 is coupled to the rear end of the female screw 15 through a screw 221 and received in the inner hole 211 of the sleeve 21, and one or more elastic washers 23 may be disposed in front of the front top ring 22, so that The elastic washer 23 abuts against the front end of the inner hole 211. A rear top ring 24 is disposed in the inner hole 211 of the sleeve 21, and has a front end surface 241 corresponding to the front top ring 22. The front end surface 241 is symmetrically recessed with two chutes 242, and slots of the two chutes 242. The bottom forms two symmetrical faces 243, and a second through hole 244 is formed from the rear end to communicate with the center of the two chutes 242. The two needle rollers 25 are respectively received in the cylinders in the two chutes 142 such that their circumferential faces abut against the rear end of the front top ring 22 and the inclined surface 243 of the chute 242, respectively. A ram 26 is disposed in the second through hole 244 of the rear top ring 24, and has a tapered portion 261 at the front end thereof, and the tapered portion 261 forms a symmetrical surface 262. The angle between the two tapered surfaces 262 is 30. ~60 degrees, the preferred embodiment is 45 degrees, so that the tapered surfaces 262 respectively abut against the needle roller 25, when the jack 26 advances, the two needle rollers 25 can be pushed open, so that the two needle rollers 25 act on the inclined surface 243, Further, the front top ring 22 and the female screw 15 are pushed forward.

As shown in the second and fourth figures, the clutch mechanism 3 is alive. When the movable gold 13 abuts against the workpiece, it can control the mechanism of the double force mechanism 2 to activate the secondary force thrust, and includes a clutch ring 31 fixed in the inner hole 211 of the sleeve 21, so that the clutch ring 31 abuts against the rear top A rear end of the ring 24 is provided with a first positioning hole 311 on a side wall of the clutch ring 31. a nut sleeve 32 fixed in the inner hole 211 of the sleeve 21, the front end of which abuts against the rear end of the clutch ring 31, and the rear end of which passes through the first through hole 161 of the rear seat 16 of the vise body 1, A sub-thread hole 321 is defined in the center, and a middle surface 322 is abutted against the first thrust bearing 162. Further, a rear end of the nut sleeve 32 is sleeved with a retaining ring 33 to abut the retaining ring 33. The third thrust bearing 163. a sub-screw 34 is screwed into the sub-thread hole 321 of the nut sleeve 32. A second positioning hole 341 is defined in a front end of the nut sleeve 32. The second positioning hole 341 receives an elastic member 342 and a clutch ball 343. The elastic element 342 pushes the clutch ball 343 into the first positioning hole 311. A second thrust bearing 35 is disposed at the front end of the sub-screw 34. And a sliding plate 36 that abuts between the front of the second thrust bearing 35 and the rear end of the jack 26.

The vise body 1, the double force mechanism 2 and the clutch mechanism 3 constitute the double needle roller vice of the present invention, which is connected to the rear end of the sub-screw 34 by using a tool 10 as shown in the sixth figure. When the sub-screw 34 is rotated, the clutch ring 31 and the sleeve 21 are synchronously rotated by the clutch ball 343. Therefore, the sleeve 21 can re-transmit the connecting structure of the polygonal hole 212 and the polygonal column 151 to drive the female screw 15 to rotate, that is, the female screw 15 is used. The thread component force pushes the nut seat 14 and the movable port gold 13 forward. As shown in the seventh figure, until the clamping faces of the movable port gold 13 and the fixed port gold 12 abut against the workpiece 20, only the female screw 15 is used in this stroke. The force of the force of the thread advances. In particular, the first thrust bearing 162 and the third thrust bearing 163 can be passed through at this time to reduce the inverse of the nut sleeve 32. The force, so it achieves the effect of smooth and labor-saving rotation.

Thereafter, as shown in the eighth figure, when the clamping faces of the movable port gold 13 and the fixed port gold 12 abut against the workpiece 20, when the user rotates the tool 10 again, the clutch ball 343 is disengaged from the first position of the clutch ring 31. The hole 311 is then rotated by the screwing structure of the sub-screw 34 and the nut sleeve 32, so that the sub-screw 34 starts to rotate and advance, and then pushes the jack 26 forward through the second thrust bearing 35 and the sliding disc 36. The two tapered surfaces 262 of the tapered portion 261 will push the two needle rollers 25, so that the two needle rollers 25 act on the inclined surface 243 of the rear top ring 24, thereby pushing the front top ring 22 and the female screw 15 to advance by a force, and thus, The female screw 15, the nut seat 14 and the movable port gold 13 directly generate a larger thrust (clamping force) to the workpiece 20, thereby achieving the function of clamping the workpiece 20 with a double force. In particular, when the sub-screw 34 starts to rotate forward, the present invention can transmit the friction between the jack 26 and the sub-screw 34 through the design of the second thrust bearing 35 and the sliding disc 36, thereby achieving smooth and labor-saving rotation. efficacy.

In summary, the double needle roller double force vise of the present invention has been practical and progressive, and the application of the technical means is also novel and undoubted, and the efficacy and design purpose are in line with the fact that it has been reasonably improved. To this end, the invention patent application was filed according to law, but the bureau was requested to give a detailed examination, and the patent was granted as a prayer.

1‧‧‧Vise body

11‧‧‧Base

111‧‧‧Slide rails

112‧‧‧ Groove

113‧‧‧ Chip slant

12‧‧‧ Fixed gold

13‧‧‧Event Gold

14‧‧‧ nut seat

141‧‧‧ accommodating holes

142‧‧‧ female screw hole

15‧‧‧Female screw

151‧‧‧Polygon column

16‧‧‧ Back seat

161‧‧‧ first through hole

162‧‧‧First thrust bearing

163‧‧‧ Third thrust bearing

17‧‧‧ ultimate stop

2‧‧‧ 倍力机构

21‧‧‧Sleeve

211‧‧‧ hole

212‧‧‧Polygonal holes

22‧‧‧ Front top ring

23‧‧‧Flexible washers

24‧‧‧ Rear top ring

243‧‧‧Bevel

25‧‧‧needle needle

26‧‧‧Pole

3‧‧‧Clutching agency

31‧‧‧Clutch ring

311‧‧‧First positioning hole

32‧‧‧ nut sets

321‧‧‧Spiral hole

322‧‧ ‧ class

33‧‧ ‧ retaining ring

34‧‧‧Sub-screw

342‧‧‧Flexible components

343‧‧‧Clutch steel ball

35‧‧‧Second thrust bearing

36‧‧‧Sliding disc

Claims (6)

A double needle roller multiple force vise, comprising: a vise body comprising a base, the top of which is formed with two sliding rails, wherein the two sliding rails form a groove in the middle; a fixed mouth gold is coupled to the two sliding a front end of the rail; a movable port gold, which is slidably disposed on the two slide rails, corresponding to the fixed port gold; a nut seat slidably disposed in the groove and coupled to the underside of the movable port gold, thereafter The end recess is provided with a receiving hole, the front end is provided with a female screw hole communicating with the receiving hole; a female screw is screwed to the female screw hole, so that the front end extends in the groove, and the rear end extends to the capacity a hole is provided, and a rear end of the base is provided with a polygonal column; a rear seat is coupled to the rear end of the base, and is provided with a pair of first through holes that should be recessed, and a first thrust end is provided at the front end of the first through hole a bearing; a double force mechanism, comprising a sleeve, the rear end of which has an inner hole, the front end is provided with a polygonal hole communicating with the inner hole, the polygonal hole is sleeved on the polygonal column of the female screw; and a front top ring , which is coupled to the rear end of the female screw and received in the inner hole of the sleeve; Provided in the inner hole of the sleeve, having a front end surface corresponding to the front top ring, symmetrically recessed two chutes recessed on the front end surface, and a second from the rear end to the center of the two chutes a through hole, wherein the two chutes form two symmetrical faces; the two needles are respectively received by the cylinders in the two chutes, and the circumferential faces thereof respectively abut against the rear end of the front top ring and the a slanting surface of the inclined groove; a ram, the second through hole of the rear top ring, the front end of which is provided with a cone portion, and the tapered portion forms a symmetrical surface Each of the tapered surfaces abuts against the needle roller; and a clutch mechanism including a clutch ring fixed in the inner hole of the sleeve and abutting against the rear end of the rear top ring, one side wall of which is provided with a a first positioning hole; a nut sleeve fixed in the inner hole of the sleeve, the front end of which abuts against the rear end of the clutch ring, the rear end of which passes through the first through hole of the rear seat, and a center is provided therein a screw hole having a stepped surface abutting against the first thrust bearing; a sub-screw screwed into the screw hole of the nut sleeve, and a second positioning hole is disposed at a side of the front end thereof The second positioning hole receives an elastic member and a clutch ball, the clutch ball is fitted to the first positioning hole; a second thrust bearing is disposed at the front end of the screw; and a sliding plate is received Relying between the front of the second thrust bearing and the rear end of the jack. The double needle roller tongs of the first aspect of the invention, wherein a rear end of the first through hole of the rear seat is provided with a third thrust bearing; and a rear end of the nut sleeve is sleeved with a retaining ring The retaining ring abuts against the third thrust bearing. The double-needle-needle force vise according to claim 1, wherein the apex has an angle of 30 to 60 degrees. The double needle roller double force vise according to claim 3, wherein the apex has an angle of 45 degrees. The double-needle-needle force vise according to claim 1, wherein the bottom surface of the groove of the base is provided with a chip removing slope extending forward and downward. The double needle roller double force vise according to claim 1, wherein the front end of the female screw is combined with a limit flap.