CN212312170U - Developing roller rubber pulling device - Google Patents

Abstract

The utility model discloses a developing roller glue pulling device, relating to the developing roller processing technical field; the conductive rubber is used for pulling out the cut two ends of the developing roller; the clamping assembly is used for clamping the conductive rubber cut at the two ends of the developing roller; the developing roller pressing device further comprises a pressing component used for pressing and fixing the developing roller. The utility model discloses the developer roll rubber pulling device has set up the subassembly that compresses tightly of fixed developer roll, implements to compress tightly the developer roll in the top of developer roll to avoided rocking at the in-process developer roll of extracting rubber, guaranteed the stability of rubber pulling process.

Description

Developing roller rubber pulling device

Technical Field

The utility model relates to a developer roll processing technology field, concretely relates to developer roll rubber pulling device.

Background

The developing roller is a key component of the toner cartridge, and the toner of the toner cartridge is supplied to the photosensitive drum through the developing roller to complete the development of the image, so the quality of the developing roller will determine the imaging quality of the toner cartridge. The conventional developing roller consists of a metal shaft center and conductive rubber which is sleeved outside the metal shaft center and tightly wraps the metal shaft center, redundant rubber at two ends needs to be cut after rubber sleeving is finished, the rubber with two ends cut is pulled out and separated from the developing roller, manual rubber cutting is mostly adopted in the rubber cutting process at present, the mode is low in efficiency, the manual rubber cutting is not easy to obtain uniform size, batch-to-batch difference is easy to occur, the surface of the rubber roller is easy to be polluted in the rubber cutting process, and the printing quality of the developing roller which is filled into a carbon powder box is further influenced; meanwhile, the cut rubber cannot be pulled out due to manual rubber cutting, secondary rubber cutting is needed, the metal axis can be cut due to too deep cutting angle, the defect of the metal axis can be caused, and the service life of the developing roller can be seriously influenced.

A utility model with an authorization publication number of CN 210589450U discloses a rubber roller rubber cutting device which is supported only by the clamping of a thin clamping plate when rubber is pulled out after the rubber cutting of a developing roller is completed; since the grip force of the conductive rubber on the metal shaft center is relatively large, direct pulling out of the conductive rubber by the clamping plate without positioning may cause displacement of the developing roller, resulting in unstable pulling out of the conductive rubber, which may cause problems of low quality of the developing roller and shutdown of the whole apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a developing roller glue pulling device, which solves the problem of unstable glue pulling caused by the shaking of the developing roller in the glue pulling process of the developing roller; the utility model discloses a realize through following technical scheme:

a developing roller rubber pulling device is used for pulling out conductive rubber cut at two ends of a developing roller; the clamping assembly is used for clamping the conductive rubber cut at the two ends of the developing roller; the developing roller is characterized by further comprising a pressing component used for pressing and fixing the developing roller.

Further, the pressing assembly comprises a fixed pressing support, a pressing plate positioned right above the developing roller and a second supporting frame positioned right below the developing roller; the developing roller is abutted against the second support frame; the pressing plate is elastically connected with the pressing support in the vertical direction; the pressure plate applies a force downward to the developing roller above the developing roller.

Furthermore, the compressing assembly further comprises a control cylinder for controlling the second supporting frame to move up and down, and the second supporting frame is installed at the moving end of the control cylinder.

Preferably, the second support frame is provided with a V-shaped groove above, and the developing roller abuts against the second support frame in the V-shaped groove.

Specifically, the clamping assembly comprises two openable pulling heads arranged at two ends of the developing roller, and the pulling heads are used for loosening or clamping the rubber to be pulled out of the developing roller.

Furthermore, the device also comprises a fourth movement control mechanism for controlling the two pulling heads to move oppositely or oppositely along the left-right direction.

The utility model has the advantages of:

the utility model discloses the developer roll rubber pulling device has set up the subassembly that compresses tightly of fixed developer roll, implements to compress tightly the developer roll in the top of developer roll to avoided at the in-process of extracting rubber, the stability of rubber pulling process has been guaranteed in rocking of developer roll.

Drawings

Fig. 1 is a schematic structural diagram of a developing roller provided in an embodiment of the present invention;

fig. 2 is one of the overall structural schematic diagrams of the automatic cutting and rubber-pulling apparatus for developing roller conductive rubber according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rubber cutting device of an automatic rubber cutting and pulling device for developing roller conductive rubber according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic view of a part of the structure of an automatic rubber cutting and pulling apparatus for conductive rubber of a developing roller according to an embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

fig. 7 is a second schematic view of the overall structure of the automatic rubber cutting and pulling apparatus for developing roller conductive rubber according to the embodiment of the present invention;

the reference numbers illustrate:

001-developing roller, 002-conductive rubber, 003-metal axle center;

100-glue cutting device, 111-blade, 112-blade mounting rack, 121-first control motor, 131-second control motor, 141-top cup, 142-fifth control motor, 143-third control motor, 144-first support frame, 145-support platform, 150-cutting mounting plate, 151-second slide rail, 152-second slide seat, 154-baffle, 160-fixed mounting plate, 161-first slide rail, 162-first slide seat and 166-induction component;

200-glue pulling device, 210-head pulling, 221-pressing bracket, 222-second support frame, 223-control cylinder and 224-pressing plate;

400-a conveying device, 410-a synchronous conveying belt, 411-a bracket, 420-a fourth control motor, 430-a blanking plate and 431-a notch;

500-frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

With reference to FIGS. 2 to 7; the embodiment provides automatic rubber cutting and pulling equipment for developing roller conductive rubber; referring to fig. 1, the developing roller 001 includes a metal shaft center 003 and conductive rubber 002 sleeved on the metal shaft center, and the automatic rubber cutting and pulling device of the present invention is used for cutting and pulling out the redundant conductive rubber on two sides of the metal shaft center; the automatic cutting and glue drawing device comprises a glue cutting device 100, a glue drawing device 200, a control device (not shown), a conveying device 400 and a rack 500; the glue cutting device 100, the glue pulling device 200 and the conveying device 400 are all installed on the rack 500.

The automatic cutting and glue drawing device of the utility model is provided with a position to be cut waiting for cutting, a cutting position for implementing cutting, a glue drawing position for implementing glue drawing and a material discharging position; the cutting device 100 performs cutting operation on the conductive rubber of the developing roller located at the cutting position, the rubber pulling device 200 performs rubber pulling (pulling out the cut conductive rubber) on the developing roller located at the rubber pulling position, the discharging position is located at the tail end of the conveying device, and the discharging of the developing roller which is cut and pulled out is completed. The conveying device 400 conveys the developing roller to a position to be cut, the cutting position, the glue drawing position and the discharging position in sequence; the developing rollers of the cutting position and the glue pulling position can be adjacent to each other on the conveying device 400, or a plurality of developing rollers can be arranged in the middle at intervals. Because the installation of the rubber cutting device 100 and the rubber pulling device 200 can occupy a certain space, and meanwhile, for faster production efficiency, a developing roller is arranged between the cutting position and the rubber pulling position at an interval.

With reference to fig. 2 and 7, the conveyor 400 includes two synchronous belts 410 disposed in parallel and driven synchronously along the Y-axis; the present embodiment designates the direction in which the synchronous conveyor belt 410 conveys the developing roller 001 as the front-rear direction or the Y-axis direction; a plurality of accommodating positions for accommodating the developing roller 001 are arranged on the synchronous conveyor belt 410 at equal intervals, the length direction of the developing roller 001 is perpendicular to the Y axis, and in the embodiment, the length direction of the developing roller 001 on the synchronous conveyor belt 410 is marked as the X axis direction or the left and right direction; specifically, a plurality of brackets 411 are arranged on the outer surface of the synchronous conveyor belt 410 at equal intervals, each bracket 411 is provided with a groove for receiving a developing roller, and conductive rubber at two ends of each developing roller abuts against the corresponding bracket 411 in each groove; in this embodiment, the recess is V type groove, the recess can carry on spacingly to the developer roll in bracket 411, prevents the developer roll at the ascending displacement of Y axle direction in the transportation.

The timing belt 410 rotates under the control of the fourth control motor 420; the fourth control motor 420 is electrically connected to the control device. A discharging end (namely a discharging position) of the synchronous conveyor belt 410 is connected with a blanking plate 430, and the blanking plate 430 is arranged from the discharging end of the synchronous conveyor belt in a downward inclination manner, so that the developing roller can roll down conveniently; the side of the blanking plate 430 facing the synchronous conveyor belt 410 is provided with two notches 431 which can allow the bracket 411 to pass through downwards; after the synchronous conveyor 410 moves the developing roller with the cut and pulled out glue to the blanking plate 430, the developing roller 001 is received by the blanking plate 430 and is discharged and collected along the inclined surface of the blanking plate, and the bracket 411 continues to move along with the synchronous conveyor 410 through the gap 431.

In this embodiment, the direction perpendicular to the X axis and the Y axis is referred to as the up-down direction or the Z axis direction; referring to fig. 3 and 4, the rubber cutting apparatus 100 includes two blade assemblies symmetrically disposed, a first movement control assembly for controlling the two blade assemblies to move up and down, a second movement control assembly for controlling the two blade assemblies to move in opposite directions or in opposite directions, a positioning assembly for positioning the developing roller to be cut, a cutting mounting plate 150, and a fixing mounting plate 160.

Blade assembly includes blade 111 and blade mount 112; the blade 111 is fixedly arranged at the lower end of the blade mounting frame 112; the blade is positioned right above the position to be cut of the developing roller at the cutting position.

Each of the blade assemblies is mounted on the cutting mounting plate 150; the fixed mounting plate 160 is a fixedly disposed one component; the cutting mounting plate 150 is slidably connected to the fixing mounting plate 160 up and down. The first movement control assembly includes a first control motor 121 and a first linear movement module (not shown) connected to the first control motor 121, and the cutting mounting plate 150 is fixedly mounted on a first slider (not shown) of the first linear movement module; the first sliding block is controlled to move along the up-and-down direction. The first control motor 121 is fixedly mounted on the fixed mounting plate 160.

Specifically, at least one first slide rail 161, two in this embodiment, is installed on the fixed mounting plate 160; two first slide rails 161 are provided at both sides of the cutting installation plate 150; each first slide rail 161 is provided with a plurality of first slide seats 162 capable of sliding up and down along the first slide rail 161; the cutting installation plate 150 is fixedly installed on each first sliding seat 162; therefore, when the first control motor 121 controls the first slider (and also drives the first sliding seat) to move up and down, the cutting mounting plate 150 is driven to slide up and down along the first sliding rail 161 relative to the fixed mounting plate 160, so as to drive each blade assembly to slide up and down. The first control motor 121 is electrically connected to the control device.

The second movement control assembly includes two second control motors 131 and two second linear movement modules (not shown), and each of the second control motors 131 is correspondingly connected to each of the second linear movement modules; the two blade assemblies are correspondingly and fixedly arranged on a second sliding block (not shown) of the second linear moving module; the second sliders are controlled by second control motors 131 to move in the left-right direction or in the opposite direction.

The cutting mounting plate 150 is provided with at least one second sliding rail 151 arranged transversely, in this embodiment, two second sliding rails 151 are arranged, and each second sliding rail 151 is arranged at an interval from top to bottom; a baffle 154 is arranged at the middle position of the two slide rails; the cutting mounting plate is provided with two second sliding rails which are transversely arranged, and the two second sliding rails are longitudinally arranged at intervals; at least one second sliding seat 152 is mounted on each second sliding rail 151 on the left and right sides of the baffle 154; the two blade assemblies are respectively fixedly connected with the second sliding seats 152 at two sides of the baffle 154; each second sliding seat can slide left and right along the second sliding rail 151; therefore, when the two second control motors 131 respectively control the second sliding blocks (and simultaneously drive the second sliding seats) to move in the left-right direction or in the opposite direction, the two blade assemblies are driven to move along the second sliding rails 151 in the opposite direction or in the opposite direction; thereby can be according to the interval of two blade 111 of the position adjustment of concrete rubber of surely, the developer roll that is fit for different models amputates the needs of rubber, lets the utility model discloses an automatic rubber cutting device usability is more extensive.

The positioning assembly includes two symmetrically disposed top cups 141, a rotation control assembly for controlling the rotation of the top cups 141 with the central axis thereof as the axis, and a third movement control assembly for controlling the two top cups 141 to move in opposite directions or in opposite directions. The top cups 141 are respectively aligned with the metal axes of the developing roller at two ends of the developing roller, and the top cups 141 and the developing roller to be cut are coaxially arranged; the top cup 141 has a working position fixedly connected with the metal axis of the developing roller at the cutting position and a waiting position separated from the metal axis of the developing roller along the X-axis direction; the third movement control assembly controls the position of the top cup 141 to be switched between the fixed position and the waiting position.

In this embodiment, the interference fit between the top cup 141 and the metal shaft center enables the metal shaft center to be clamped and positioned after being inserted into the top cup; in other embodiments, the top cup may be a pneumatic chuck for pneumatically clamping the metal hub. No matter which mode is adopted, in the prior art, the mode that can realize top cup and metal axle center location all should be the content that the utility model discloses claimed.

When the metal axis is clamped and positioned, the blade 111 descends to the position to be cut on the developing roller, and the rotation control assembly controls the top cup 141 to rotate so as to drive the developing roller 001 to rotate to cut redundant conductive rubber at two ends of the developing roller.

Wherein the rotation control assembly includes two fifth control motors 142; the third movement control component may be two third control motors 143 and a third linear motion module correspondingly connected to the third control motors 143, and the two top cups are correspondingly and fixedly mounted at a moving end (a third slider, not shown) of the third linear motion module.

When the blade 111 cuts the developing roller, a downward pressure is applied to the developing roller, which may cause the developing roller to displace downward and cause incomplete cutting; therefore, it is preferable that the positioning assembly further includes a first supporting frame 144 supporting the developing roller at the bottom of the developing roller to prevent the developing roller from moving downward, and the first supporting frame 144 is controlled to move up and down, and move up when cutting is required, the developing roller abuts on the first supporting frame 144, the first supporting frame 144 supports the developing roller, and the developing roller can be prevented from being displaced downward during cutting; when the cutting is completed, the first support frame 144 is controlled to move downward to avoid the first support frame 144 from obstructing the transfer of the developing roller by the transfer device.

With reference to fig. 5 and 6, the rubber pulling device 200 is used for pulling out the conductive rubber cut by the rubber cutting device, and the rubber pulling device 200 includes a pulling head 210 which can be opened and closed, and a fourth movement control mechanism and a pressing assembly which control the two pulling heads 210 to move in opposite directions or opposite directions along the left-right direction; in this embodiment, in order to save cost and improve production efficiency, the fourth movement control mechanism is the same as the third movement control mechanism, so that the glue cutting and drawing processes can be performed simultaneously; specifically, the pulling head 210 and the top cup 141 are fixedly mounted on the supporting platform 145, and the supporting platform 145 is fixedly mounted at the moving end of the third linear motion module.

The pressing assembly comprises a fixed pressing bracket 221, a pressing plate 224 positioned right above the developing roller at the cutting position, a second supporting frame 222 of the developing roller at the cutting position and a control cylinder 223; the pressing plate 224 is elastically connected with the pressing bracket 221 in the vertical direction; the second support 222 is installed at the moving end of the control cylinder 223, and the second support 222 is controlled by the control cylinder 223 to move back and forth in the up-and-down direction; when the second support frame 222 is controlled to be upward, the developing roller is abutted to the second support frame 222, and meanwhile the pressing plate 224 presses the developing roller to tightly press the developing roller, so that the phenomenon that the developing roller shakes in the process of pulling out rubber is avoided, and the stability of the rubber pulling-out process is ensured. Also, when the rubber extraction is completed, the second support bracket 222 is controlled to move downward to avoid the second support bracket 222 from obstructing the conveyance of the developing roller by the conveyance device.

The utility model discloses in, first support frame 144 all has V type groove with the top of second support frame 222, and the developer roll is on each support frame at V type inslot butt.

Preferably, combine fig. 7, the utility model discloses an automatic cut rubber-pulling equipment is still including installing the response subassembly 166 on the back of fixed mounting plate 160, and response subassembly 166 aligns the developer roll that waits to cut on the position for whether there is the developer roll on the detection is waiting to cut the position, if response subassembly 166 does not sense the developer roll that waits to cut on the position can feedback signal to controlling means and report to the police, machine off-the-shelf, and the setting of response subassembly 166 can avoid cutting the idle running of mucilage binding and put.

Each control motor and each control cylinder of the utility model are electrically connected with the control device, and the control device is controlled by the signal to perform corresponding actions; wherein the control device is for example a programmable controller PLC.

The following explains the working process of the automatic rubber cutting and pulling equipment of the utility model:

after the developing roller is sequentially put to the carriage on the conveying device, the following procedure is followed:

1. after the conveyor belt is controlled to advance by one roller position, the synchronous conveyor belt stops working;

2. the controlled relative motion of supporting platform 145, the metal axle center of the developer roll both sides of cutting position this moment inserts in the top cup and realizes fixing, is located the conductive rubber of the developer roll both ends cutting separation of drawing the position and wears to locate between the pulling head, later carries out following three actions simultaneously:

a. the first support frame 144 is controlled to move upward so that the developing roller abuts on the first support frame; thereafter the blade assembly is controlled to move downwardly to a cutting position; the top cup is controlled to rotate at a high speed and drives the developing roller to rotate, so that the developing roller is cut, and after the cutting is finished, the blade assembly is controlled to move upwards to a standby position;

b. the pulling head is closed, the conductive rubber cut and separated at the two ends of the developing roller positioned at the rubber pulling position is clamped by the clamping head, and the second support frame 222 is controlled to move upwards to enable the developing roller to abut against the second support frame 222;

c. the sensing assembly 166 detects whether a developer roller is present at the location to be cut.

3. The supporting platform 145 is controlled to move reversely, so that the two top cups move reversely to loosen the developing roller, and meanwhile, the chuck moves reversely to pull out the cut conductive rubber;

4. the clamping head is loosened to discard the waste rubber material, and the two supporting frames are controlled to move downwards.

5. Judging whether a developing roller is arranged at the position to be cut detected by the induction component 166, and if so, executing the steps 1-4 again; if not, an alarm is given, and the equipment stops running to prevent the rubber cutting device from idling.

Fixed mounting and fixed connection, can be direct fixed mounting or fixed connection, also can be through mounting panel or other part fixed mounting or fixed connection.

The automatic cutting and rubber-pulling equipment of the utility model can realize the automatic cutting and pulling out of the redundant conductive rubber at the two ends of the developing roller, has high automation degree, saves manpower and can avoid the pollution to the developing roller; and can meet the cutting requirements of developing rollers with various specifications.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. The spirit and principle of the present invention should be covered by the protection scope of the present invention without any modification, equivalent replacement, or improvement made by the creativity.

Claims (6)

1. A developing roller rubber pulling device is used for pulling out conductive rubber cut at two ends of a developing roller; the clamping assembly is used for clamping the conductive rubber cut at the two ends of the developing roller; the developing roller is characterized by further comprising a pressing component used for pressing and fixing the developing roller.

2. The glue pulling device according to claim 1, wherein the pressing assembly comprises a fixed pressing bracket, a pressing plate positioned right above the developing roller, and a second support frame positioned right below the developing roller; the developing roller is abutted against the second support frame; the pressing plate is elastically connected with the pressing support in the vertical direction; the pressure plate applies a force downward to the developing roller above the developing roller.

3. The glue pulling device as claimed in claim 2, wherein the pressing assembly further comprises a control cylinder for controlling the second support frame to move up and down, and the second support frame is mounted at a moving end of the control cylinder.

4. The glue pulling device according to claim 2, wherein the second support frames are provided with V-shaped grooves above, and the developing rollers abut against the second support frames in the V-shaped grooves.

5. The glue pulling device as claimed in claim 2, wherein the clamping assembly comprises two openable pulling heads arranged at two ends of the developing roller, and the pulling heads are used for loosening or clamping the conductive rubber to be pulled out of the developing roller.

6. The glue pulling device according to claim 5, further comprising a fourth movement control mechanism for controlling the two pulling heads to move in the left-right direction or in the opposite direction.

Images