CN216683816U - Novel book end device based on swing arm gear mechanism - Google Patents

Abstract

The utility model discloses a novel book end device based on a swing arm gear mechanism, and belongs to the technical field of book end devices of adhesive binding machines. The utility model utilizes the swing arm gear mechanism to generate clamping force to clamp the books and periodicals, the ratchet wheel pawl locks the gripper, the books and periodicals move up and down on the slide rail under the action of the roller track, and the books and periodicals are sent into the book holder below.

Description

Novel book end device based on swing arm gear mechanism

Technical Field

The utility model belongs to the technical field of book clamp devices of adhesive binding machines, and particularly relates to a novel book clamp device based on a swing arm gear mechanism.

Background

The cementing machine is used for cementing books, and the cementing machine in the prior art comprises a track, a book clip, a cementing device, an upper sealing device, a compaction forming device and the like. When the book end clamp is used, the book end clamp moves around a constant track under the driving of the transmission mechanism, and the processes of book block feeding, back milling, gum applying, glue upside, cover pressing, cover and book block combining, book back pressing and forming and finished product outputting are finished.

During the processes of book block feeding, cover and book block combining and book back pressing and forming, firstly, a positioning device of a book clip is needed to position the pages of the book. The existing book end positioning device can only position the partial pages of the book up and down, and the partial positions can not be positioned, when the width of the book is larger, the position where the page parts of the book can not be positioned has the condition of deviation, so that the probability of inaccurate positioning of the pages of the book is increased, the automation degree is low, the structure is complex, and the practicability is poor, therefore, the existing book end positioning device needs to be further improved.

Disclosure of Invention

The utility model solves the technical problem of providing a novel book end device based on a swing arm gear mechanism, which has reasonable structural design and stable and reliable operation.

The utility model adopts the following technical scheme for solving the technical problems, and discloses a novel book clamp device based on a swing arm gear mechanism, which is characterized by comprising a frame, a book clamp and a horizontal guide rail, wherein the book clamp and the horizontal guide rail are arranged on the frame, the swing arm gear mechanism is fixed on the book clamp through a matched sliding block and a vertical sliding rail, the upper part of a bottom plate in the swing arm gear mechanism is in rolling fit with the horizontal guide rail through a suspended walking bearing, one side of the bottom plate is fixedly hinged with a gripper shaft through a bracket and a bearing arranged at the free end of the bracket, a plurality of groups of grippers synchronously rotating with the gripper shaft are fixed at one side of the gripper shaft, a spring retainer ring synchronously rotating with the gripper shaft is fixed at the other side of the gripper shaft, a torsion spring is sleeved on the gripper shaft, one end of the torsion spring is fixedly connected with the spring retainer ring, the other end of the torsion spring is fixedly connected with a driven gear sleeved on the gripper shaft in a sliding manner, and the driven gear is fixed on the bottom plate through a supporting seat, the tooth ratchet wheel is meshed with the driven gear and fixed in a hinge hole in the middle of the support through a rotating shaft, one side of the circumference of the tooth ratchet wheel is of a tooth-shaped structure meshed with the driven gear, the other side of the circumference of the tooth ratchet wheel is of a cambered surface structure, a limiting step is arranged on the cambered surface structure, a swing arm synchronously rotating with the tooth ratchet wheel is fixed on one side of the tooth ratchet wheel, a swing arm driving bearing is arranged at the free end of the swing arm and used for pressing an upper fluctuating type track through the swing arm driving bearing to drive the swing arm to swing so as to drive the tooth ratchet wheel to rotate, the tooth ratchet wheel drives the driven gear to rotate, the torsional force of the driven gear acts on the jaw shaft through a torsional spring and a spring retainer ring and further drives the jaw on the jaw shaft to rotate through the jaw shaft to clamp books and periodicals, a spring mounting seat is arranged on the side wall of the swing arm far away from the swing arm driving bearing and connected with the spring mounting seat on the support through a return spring, the ratchet wheel reset mechanism is used for realizing reset of the ratchet wheel after the ratchet wheel loses the pressing force of the upper side fluctuating type track on the swing arm driving bearing, the upper portion of the support is fixedly hinged with a pawl through a pin shaft, one end of the pawl is provided with a limiting block matched with a limiting step on the ratchet wheel, a pressing spring used for realizing the pressing fit of the limiting block and the limiting step is arranged on the side face of the limiting block, the other end of the pawl is provided with a pawl driving bearing in pressing fit with the lower side fluctuating type track, the pawl driving bearing is used for pressing the swing of the lower side fluctuating type track driving pawl through the pawl driving bearing to further release the rotation limit of the ratchet wheel, the ratchet wheel can be restored to a free state under the action of the resetting spring, and the gripper is in an opening state.

Further inject, on vertical slide rail was fixed in the book holder, two sets of grippers overlap respectively and establish and be fixed in the middle part of the shaft of gripping and one end and should hold the tooth and hold the tooth the synchronous rotation of shaft, hold the tooth the shaft and articulate the one end that is fixed in two sets of parallel arrangement's bracket through the bearing respectively, two sets of parallel arrangement's the bracket other end is fixed in the bottom plate through the bolt respectively, the torsional spring cover is located and is held the tooth epaxial and the one end of torsional spring penetrates the circlip and fix, the other end of torsional spring penetrates in driven gear's the locating hole and carries out the pretension.

Further inject, the support passes through the fix with screw on the bottom plate, the middle part and the upper portion of support are equipped with the hinge hole respectively, tooth ratchet wheel middle part is articulated through the pivot and is fixed in the hinge hole at support middle part, the pawl middle part is articulated through the round pin axle and is fixed in the hinge hole on support upper portion, the swing arm passes through the fix with screw on one side lateral wall of tooth ratchet wheel, the free end of swing arm and the free end of pawl are equipped with swing arm drive bearing and pawl drive bearing respectively, through accomplish under the effect of upside undulation formula track and downside undulation formula track and hold in the palm opening and closing and locking of tooth.

Further limiting, the upper part of the bottom plate is provided with a suspension walking bearing in rolling fit with the horizontal rail, and the book end can move up and down by matching the suspension walking bearing with the horizontal rail.

Compared with the prior art, the utility model has the following advantages and beneficial effects: the utility model utilizes the swing arm gear mechanism to generate clamping force to clamp the books and periodicals, the ratchet wheel pawl locks the gripper, the books and periodicals move up and down on the slide rail under the action of the roller track, and the books and periodicals are sent into the book holder below.

Drawings

FIG. 1 is a schematic view of the assembled structure of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic view of the partial side view structure of FIG. 1;

fig. 5 is a schematic structural view of a swing arm gear mechanism in the present invention.

In the figure: 1-bottom plate, 2-bracket, 3-gripper, 4-gripper shaft, 5-spring retainer ring, 6-torsion spring, 7-driven gear, 8-support seat, 9-support, 10-tooth ratchet wheel, 11-reset spring, 12-rotating shaft, 13-swinging arm, 14-pressing spring, 15-pawl, 16-pin shaft, 17-book holder, 18-horizontal rail, 19-vertical sliding rail, 20-slider, 21-suspension walking bearing, 22-swinging arm driving bearing, 23-upper side fluctuation rail, 24-lower side fluctuation rail and 25-pawl driving bearing.

Detailed Description

Describing the technical scheme of the utility model in detail with reference to the attached drawings, as shown in fig. 1-5, a novel book clamp device based on a swing arm gear mechanism comprises a frame, a book clamp 17 and a horizontal guide rail 18 which are arranged on the frame, the swing arm gear mechanism is fixed on the book clamp 17 through a matched sliding block 20 and a vertical sliding rail 19, the upper part of a bottom plate 1 in the swing arm gear mechanism is in rolling fit with the horizontal guide rail 18 through a suspension walking bearing 21, one side of the bottom plate 1 is fixedly hinged with a gripper shaft 4 through a bracket 2 and a bearing arranged at the free end of the bracket 2, one side of the gripper shaft 4 is fixedly provided with a plurality of groups of grippers 3 which synchronously rotate with the gripper shaft 4, the other side of the gripper shaft 4 is fixedly provided with a spring retainer ring 5 which synchronously rotates with the gripper shaft 4, a torsion spring 6 is sleeved on the gripper shaft 4, one end of the torsion spring 6 is fixedly connected with the spring retainer ring 5, the other end of the torsion spring 6 is fixedly connected with a driven gear 7 which is sleeved on the gripper shaft 4 in a sliding way, the driven gear 7 is fixed on the bottom plate 1 through a supporting seat 8, a tooth ratchet 10 is meshed with the driven gear 7, the tooth ratchet 10 is fixed in a hinged hole in the middle of a support 9 through a rotating shaft 12, one side of the circumference of the tooth ratchet 10 is of a tooth-shaped structure meshed with the driven gear 7, the other side of the circumference of the tooth ratchet 10 is of an arc-shaped structure, a limit step is arranged on the arc-shaped structure, a swing arm 13 which rotates synchronously with the tooth ratchet 10 is fixed on one side of the tooth ratchet 10, a swing arm driving bearing 22 is arranged at the free end of the swing arm 13 and is used for pressing an upper fluctuation type track 23 through the swing arm driving bearing 22 to drive the swing arm 13 to swing so as to drive the tooth ratchet 10 to rotate, the tooth ratchet 10 drives the driven gear 7 to rotate, the torsional force of the driven gear 7 acts on the jaw shaft 4 through a torsion spring 6 and a spring retainer ring 5, and further drives the jaw 3 on the jaw shaft 4 to rotate so as to clamp books and periodicals, the side wall of the swing arm 13 far away from one side of the swing arm driving bearing 22 is provided with a spring mounting seat which is connected with the spring mounting seat on the support 9 through a return spring 11 and is used for realizing the reset of the tooth ratchet wheel 10 after losing the pressing force of the upper side fluctuation type track 23 on the swing arm driving bearing 22, the upper part of the support 9 is hinged and fixed with a pawl 15 through a pin shaft 16, one end of the pawl 15 is provided with a limiting block matched with the upper limiting step of the tooth ratchet wheel 10, the side surface of the limiting block is provided with a pressing spring 14 used for realizing the pressing fit of the limiting block and the limiting step, the other end of the pawl 15 is provided with a pawl driving bearing 25 tightly matched with the lower side fluctuation type track 24 and is used for pressing the lower side fluctuation type track 24 through the pawl driving bearing 25 to drive the pawl 15 to swing so as to release the rotation limit of the tooth ratchet wheel 10, and ensure that the tooth ratchet wheel 10 can be restored to the free state under the action of the return spring 11, thereby bringing the grippers 3 into an open state.

The utility model relates to a book clamping device, wherein a vertical sliding rail 19 is fixed on a book clamping device 17, two groups of grippers 3 are respectively sleeved and fixed at the middle part and one end of a gripper shaft 4, the grippers 3 and the gripper shaft 4 synchronously rotate, the gripper shaft 4 is respectively hinged and fixed at one end of two groups of brackets 2 which are arranged in parallel through a bearing, the other ends of the two groups of brackets 2 which are arranged in parallel are respectively fixed on a bottom plate 1 through bolts, a torsion spring 6 is sleeved on the gripper shaft 4, one end of the torsion spring 6 penetrates through a spring retainer ring 5 for fixing, the other end of the torsion spring 6 penetrates through a positioning hole of a driven gear 7 for pre-tightening, a bracket 9 is fixed on the bottom plate 1 through a screw, the middle part and the upper part of the bracket 9 are respectively provided with a hinge hole, the middle part of a tooth ratchet 10 is hinged and fixed in a hinge hole at the middle part of the bracket 9 through a rotating shaft 12, the middle part of a pawl 15 is hinged and fixed in a hinge hole at the upper part of the bracket 9 through a pin shaft 16, a swing arm 13 is fixed on one side wall of the tooth ratchet 10 through a screw, the free end of the swing arm 13 and the free end of the pawl 15 are respectively provided with a swing arm driving bearing 22 and a pawl driving bearing 25, the opening, closing and locking of the gripper 3 are completed under the action of an upper side fluctuation type track 23 and a lower side fluctuation type track 24, the upper part of the bottom plate 1 is provided with a suspension walking bearing 21 in rolling fit with the horizontal track 18, and the book clip can move up and down by matching the suspension walking bearing 21 with the horizontal track 18.

The utility model utilizes the swing arm gear mechanism to generate clamping force to clamp the books and periodicals, the ratchet wheel pawl locks the gripper, the books and periodicals move up and down on the slide rail under the action of the roller track, and the books and periodicals are sent into the book holder below.

While there have been shown and described what are at present considered the fundamental principles of the utility model, its essential features and advantages, the utility model further resides in various changes and modifications which fall within the scope of the utility model as claimed.

Claims (4)

1. A novel book clamp device based on a swing arm gear mechanism is characterized by comprising a frame, a book clamping device and a horizontal guide rail, wherein the book clamping device and the horizontal guide rail are arranged on the frame, the swing arm gear mechanism is fixed on the book clamping device through a matched sliding block and a vertical sliding rail, the upper part of a bottom plate in the swing arm gear mechanism is in rolling fit with the horizontal guide rail through a suspension walking bearing, one side of the bottom plate is fixedly hinged with a gripper shaft through a bracket and a bearing arranged at the free end of the bracket, a plurality of groups of grippers synchronously rotating with the gripper shaft are fixed on one side of the gripper shaft, a spring retainer ring synchronously rotating with the gripper shaft is fixed on the other side of the gripper shaft, a torsional spring sleeve is arranged on the gripper shaft, one end of the torsional spring is fixedly connected with the spring retainer ring, the other end of the torsional spring is fixedly connected with a driven gear sleeved on the gripper shaft through a sliding sleeve, the driven gear is fixed on the bottom plate through a supporting seat, a tooth ratchet wheel is meshed with the driven gear, and the tooth ratchet wheel is fixed in a hinged hole in the middle of a support through a rotating shaft, one side of the circumference of the toothed ratchet wheel is of a tooth-shaped structure meshed with the driven gear, the other side of the circumference of the toothed ratchet wheel is of a cambered surface structure, a limiting step is arranged on the cambered surface structure, a swing arm rotating synchronously with the toothed ratchet wheel is fixed on one side of the toothed ratchet wheel, a swing arm driving bearing is arranged at the free end of the swing arm and used for pressing an upper fluctuating type track to drive the swing arm to swing through the swing arm driving bearing so as to drive the toothed ratchet wheel to rotate, the toothed ratchet wheel drives the driven gear to rotate, the torsional force of the driven gear acts on the gripper shaft through a torsional spring and a spring retainer ring so as to drive the gripper on the gripper shaft to rotate through the rotation of the gripper shaft so as to clamp books and periodicals, a spring mounting seat is arranged on the side wall of the swing arm far away from the swing arm driving bearing and is connected with the spring mounting seat on the support through a reset spring so as to realize the reset of the toothed ratchet wheel after the pressing force of the upper fluctuating type track on the swing arm driving bearing is lost, the upper portion of support is fixed with the pawl through the round pin axle is articulated, the one end of pawl is equipped with the stopper that matches with spacing step on the tooth ratchet, the side of this stopper is equipped with and is used for realizing stopper and spacing step press fit's pressure spring, the other end of pawl is equipped with and presses fit's pawl drive bearing with downside undulation formula track, it is spacing to compress tightly the rotation of downside undulation formula track drive pawl swing and then release to the tooth ratchet through pawl drive bearing, make the tooth ratchet can resume free state under reset spring's effect, and then make the tooth in the state of opening.

2. The novel book end device based on swing arm gear mechanism of claim 1, characterized in that: vertical slide rail is fixed in on the book clamping device, and two sets of tooth of gripping overlap respectively establish be fixed in hold in the mouth in the middle part of the shaft and one end and should hold in the mouth with hold in the mouth the synchronous rotation of the shaft, hold in the mouth the shaft and be fixed in the one end of two sets of parallel arrangement's bracket respectively through the bearing is articulated, and two sets of parallel arrangement's the bracket other end is fixed in the bottom plate through the bolt respectively, and the torsional spring cover is located to hold in the mouth epaxial and the one end of torsional spring penetrates the circlip and fixes, and the other end of torsional spring penetrates in driven gear's the locating hole and carries out the pretension.

3. The novel book end device based on swing arm gear mechanism of claim 1, characterized in that: the support is fixed on the bottom plate through screws, hinge holes are formed in the middle and the upper portion of the support respectively, the middle of the toothed ratchet wheel is hinged and fixed in the hinge hole in the middle of the support through a rotating shaft, the middle of the pawl is hinged and fixed in the hinge hole in the upper portion of the support through a pin shaft, the swing arm is fixed on one side wall of the toothed ratchet wheel through screws, a free end of the swing arm and a free end of the pawl are respectively provided with a swing arm driving bearing and a pawl driving bearing, and the opening, closing and locking of the gripper are completed under the action of the upper side fluctuating type track and the lower side fluctuating type track.

4. The swing arm gear mechanism based novel book end device of claim 1, characterized in that: and the upper part of the bottom plate is provided with a suspension walking bearing in rolling fit with the horizontal rail, and the book clip can move up and down by matching the suspension walking bearing with the horizontal rail.

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