CN209986035U - Bender backstop finger capable of compensating clearance - Google Patents
Bender backstop finger capable of compensating clearance Download PDFInfo
- Publication number
- CN209986035U CN209986035U CN201920706705.3U CN201920706705U CN209986035U CN 209986035 U CN209986035 U CN 209986035U CN 201920706705 U CN201920706705 U CN 201920706705U CN 209986035 U CN209986035 U CN 209986035U
- Authority
- CN
- China
- Prior art keywords
- wedge
- block
- compensation
- hole
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connection Of Plates (AREA)
Abstract
The bender backstop that can compensate clearance indicates, the utility model relates to a bender keeps off and indicates structure field. The utility model provides a structure is exquisite, stability is good and the reliability is high to accessible compensation effectively eliminates screw thread pair clearance influence, thereby can carry out the bender backstop finger in compensation clearance of high accuracy processing to panel when ensureing follow-up the use. The utility model discloses can indicate the fine setting of position in place when realizing keeping off, effectively eliminate the influence in clearance that two screw thread pairs brought for indicate the relative position with the base to keeping off and can realize the control of high accuracy, thereby ensure that follow-up bending adds man-hour, can carry out the processing of high accuracy to panel. The utility model discloses have on the whole that the structure is exquisite, stability is good, the reliability is high, indicate that the position control precision is high, the fender indicates that the back position of adjusting keeps effectual and follow-up machining precision advantage such as high of bending.
Description
Technical Field
The utility model relates to a bender keeps off indicates structure field.
Background
At present, most bending machine stop fingers in the prior art are shown in a Chinese utility model patent named as an induction type bending machine rear material stop mechanism and application number of 201721198543.4, which is announced by the state office in 2018, 4, month and 27, so that after a plate is abutted against the stop fingers, the position precision of the plate during bending is ensured; meanwhile, the fine adjustment mechanism is further arranged to achieve fine adjustment of the stroke of the bending machine.
However, the traditional fine adjustment mechanism usually adopts a thread pair to realize fine adjustment of the stop finger, and the minimum adjustment distance depends on the thread pitch of the thread, so that finer adjustment cannot be realized; meanwhile, due to the influence of the machining precision, a certain gap (even the gap is invisible to naked eyes but still exists objectively) is usually formed between the internal thread and the external thread of the thread pair, so that after the position of the stop finger is adjusted, the stop finger is influenced by the gap and is stressed to generate certain small displacement, and the stop finger deviates from the preset position, so that the machining precision during subsequent bending is influenced to a certain extent, and great trouble is brought to the high-precision machining requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provided a structure exquisiteness, stability is good and the reliability is high to the vice clearance of accessible compensation is effectively eliminated and is influenced, thereby can carry out the bender backstop in compensation clearance that high accuracy processed to panel when ensureing follow-up use indicates.
The technical scheme of the utility model is that: the device comprises a base, a sliding seat, a blocking finger and a fine adjustment mechanism, wherein the sliding seat is arranged on the base in a sliding manner, the fine adjustment mechanism is connected to one side of the sliding seat, and the blocking finger is connected to the other side of the sliding seat;
the fine adjustment mechanism comprises a fixed seat and a screw rod, the fixed seat is fixedly connected to the base and is positioned on one side of the sliding seat, two sections of external threads with different thread pitches are arranged on the screw rod, a thread groove matched with one section of the external threads is arranged on the sliding seat, a thread hole matched with the other section of the external threads is arranged on the fixed seat, and the screw rod is sequentially connected with the fixed seat and the sliding seat through threads;
the fine adjustment mechanism further comprises a first compensation block, a first compensation assembly, a second compensation block and a second compensation assembly, wherein a first accommodating groove for accommodating the first compensation assembly is formed in the end face, facing the fixed seat, of the sliding seat, a second accommodating groove for accommodating the second compensation assembly is formed in the end face of one side of the fixed seat, the first compensation block is located in the first accommodating groove, the second compensation block is located in the second accommodating groove, the first compensation block and the second compensation block are both sleeved with the screw rod and are both in threaded connection with the screw rod;
the first compensation assembly comprises at least one first wedge-shaped block and at least one first pressure spring, the first wedge-shaped block is arranged in the first accommodating groove, and the first pressure spring abuts between the first wedge-shaped block and the side wall of the first accommodating groove, so that the first wedge-shaped block abuts between the sliding seat and the first compensation block;
the second compensation assembly comprises a second wedge block, a second at least one pressure spring and at least one stop dog, the second wedge block is arranged in the second accommodating groove, the stop dog is fixedly connected to the base and located on one side of the second accommodating groove, and the second pressure spring supports the second wedge block and the stop dog, so that the second wedge block supports the second fixing seat and the second compensation block.
The first compensation assembly comprises a pair of first wedge-shaped blocks and a pair of first pressure springs, the pair of first wedge-shaped blocks are symmetrically arranged on two sides of the first compensation block, and the pair of first pressure springs respectively abut against two side walls of the first wedge-shaped blocks and two side walls of the first accommodating groove;
the second compensation assembly comprises a second wedge-shaped block, a second pressure spring and a pair of stop blocks, the second wedge-shaped block is symmetrically arranged on two sides of the second compensation block, the stop blocks are symmetrically and fixedly arranged on two sides of the second accommodating groove, and the second pressure spring supports between the second wedge-shaped block and the two stop blocks respectively.
One side of the first compensation block is provided with a first guide inclined plane matched with the first wedge block, and one side of the second compensation block is provided with a second guide inclined plane matched with the second wedge block.
The base is connected with the bending machine through at least one fixing bolt, at least one movable hole matched with the head of the fixing bolt is formed in the sliding seat, and the movable hole is in a key groove shape;
the sliding seat is also provided with at least one guide stepped hole with a large upper part and a small lower part and at least one fastening stepped hole with a large upper part and a small lower part, the large hole and the small hole of the guide stepped hole are both in a key groove shape, and the large hole and the small hole of the fastening stepped hole are both in a key groove shape;
a guide bolt connected with the base in a threaded manner penetrates through the guide stepped hole, the head of the guide bolt is arranged in a large hole of the guide stepped hole, the screw part of the guide bolt is arranged in a small hole of the guide stepped hole, a guide sleeve with a large upper part and a small lower part is sleeved outside the guide bolt, the upper part of the guide sleeve is matched with the large hole of the guide stepped hole, and the lower part of the guide sleeve is matched with the small hole of the guide stepped hole;
the fastening stepped hole is internally provided with a fastening bolt in a penetrating way, the head of the fastening bolt is arranged in a large hole of the fastening stepped hole, the screw part of the fastening bolt is arranged in a small hole of the fastening stepped hole, and at least one gasket is arranged between the head of the fastening bolt and the stepped surface of the fastening stepped hole.
The utility model discloses can indicate the fine setting of position in place when realizing keeping off, effectively eliminate the influence in clearance that two screw thread pairs brought for indicate the relative position with the base to keeping off and can realize the control of high accuracy, thereby ensure that follow-up bending adds man-hour, can carry out the processing of high accuracy to panel. The utility model discloses have on the whole that the structure is exquisite, stability is good, the reliability is high, indicate that the position control precision is high, the fender indicates that the back position of adjusting keeps effectual and follow-up machining precision advantage such as high of bending.
Drawings
FIG. 1 is a schematic structural diagram of the present application,
figure 2 is a top view of figure 1,
figure 3 is a cross-sectional view taken along line T-T of figure 1,
FIG. 4 is a perspective view of FIG. 1;
figure 5 is a schematic structural view of the sliding seat in the present case,
figure 6 is a perspective view of figure 5,
figure 7 is a top view of figure 5,
figure 8 is a cross-sectional view taken along line a-a of figure 7,
figure 9 is a cross-sectional view taken along line B-B of figure 7,
FIG. 10 is a cross-sectional view taken along line C-C of FIG. 7;
in the figure, 1 is a base, 11 is a fixing bolt, 12 is a guide bolt, 120 is a guide sleeve, 13 is a fastening bolt, and 130 is a gasket; 2 is a sliding seat, 21 is a movable hole, 22 is a guide stepped hole, and 23 is a fastening stepped hole;
3 is a stop finger, 4 is a fine adjustment mechanism, 41 is a fixed seat, and 42 is a screw rod;
43 is a first compensation block, 441 is a first wedge block, and 442 is a first pressure spring; and 45 is a second compensation block, 461 is a second wedge block, 462 is a second compression spring, and 463 is a stopper.
Detailed Description
The utility model is shown in fig. 1-10, and comprises a base 1, a sliding seat 2, a blocking finger 3 and a fine adjustment mechanism 4, wherein the sliding seat 2 is slidably arranged on the base 1, the fine adjustment mechanism 4 is connected to one side of the sliding seat 2, and the blocking finger 3 is connected to the other side of the sliding seat 2;
the fine adjustment mechanism 4 comprises a fixed seat 41 and a screw rod 42, the fixed seat 41 is fixedly connected to the base 1 and is positioned on one side of the sliding seat 2, two sections of external threads with different thread pitches are arranged on the screw rod 42, a thread groove matched with one section of the external threads is arranged on the sliding seat 2, a threaded hole matched with the other section of the external threads is arranged on the fixed seat 41, and the screw rod 41 is sequentially connected with the fixed seat and the sliding seat through threads; when the screw is rotated, assuming that the relative displacement between the screw and the fixed seat is L1 and the relative displacement between the screw and the sliding seat is L2, because the thread pitches of the external threads at the two ends of the screw are different, L1 is not equal to L2 and the directions of the two relative displacements are opposite, therefore, the relative displacement between the fixed seat and the sliding seat is | L1-L2 |; meanwhile, the fixed seat and the base are kept relatively static, and the stop finger and the sliding seat are kept relatively static, so that the relative displacement between the stop finger and the base is | L1-L2|, and the minimum adjusting distance of the stop finger is further shortened; the micro-adjustment of the relative position of the sliding seat and the base is realized through the design of the thread pitches of the two sections of external threads, so that the micro-adjustment of the relative position of the stop finger and the base is finally realized;
the fine adjustment mechanism further comprises a first compensation block 43, a first compensation assembly, a second compensation block 45 and a second compensation assembly, wherein a first accommodating groove for accommodating the first compensation assembly is formed in the end face, facing the fixed seat 41, of the sliding seat 2, a second accommodating groove for accommodating the second compensation assembly is formed in the end face, on one side, of the fixed seat 41, the first compensation block 43 is located in the first accommodating groove, the second compensation block 45 is located in the second accommodating groove, the first compensation block 43 and the second compensation block 45 are both sleeved with the screw rod 42 and are both in threaded connection with the screw rod 42;
the first compensating assembly comprises at least one first wedge-shaped block 441 and at least one first pressure spring 442, the first wedge-shaped block 441 is arranged in the first accommodating groove, and the first pressure spring 442 is abutted between the first wedge-shaped block 441 and the side wall of the first accommodating groove, so that the first wedge-shaped block 441 is abutted between the sliding seat 2 and the first compensating block 43;
the second compensation assembly comprises at least one second wedge-shaped block 461, at least one second compression spring 462 and at least one stop 463, the second wedge-shaped block 461 is arranged in the second accommodating groove, the stop is fixedly connected to the base and located on one side of the second accommodating groove, and the second compression spring 462 abuts between the second wedge-shaped block 461 and the stop 463, so that the second wedge-shaped block 461 abuts between the fixed seat 41 and the second compensation block 45. When the screw rod is actually used, the wedge block I abutting against the sliding seat and the compensation block I enables the sliding seat and the compensation block to keep a moving trend of being away from each other, so that a gap between one section of external thread of the screw rod and the thread groove is effectively compensated, and the gap problem caused by a thread pair between the screw rod and the sliding seat is effectively eliminated; in the same way, the second wedge block abutting between the fixed seat and the second compensation block can effectively eliminate the gap problem caused by the thread pair between the screw rod and the fixed seat. Therefore, fine adjustment of the position of the stop finger can be achieved (coarse adjustment of the position of the stop finger can be achieved by installing a linear driving mechanism below the base, the coarse adjustment belongs to common technical measures in the field and is irrelevant to the innovation content of the scheme, and therefore the detailed description is omitted in the scheme), the influence of gaps caused by two thread pairs is effectively eliminated, the relative position of the stop finger and the base can be controlled in a high-precision mode, and high-precision machining of the plate can be guaranteed during subsequent bending machining. The utility model discloses have on the whole that the structure is exquisite, stability is good, the reliability is high, indicate that the position control precision is high, the fender indicates that the back position of adjusting keeps effectual and follow-up machining precision advantage such as high of bending.
The first compensation assembly comprises a pair of first wedge-shaped blocks and a pair of first pressure springs, the pair of first wedge-shaped blocks are symmetrically arranged on two sides of the first compensation block, and the pair of first pressure springs respectively abut against two side walls of the first wedge-shaped blocks and two side walls of the first accommodating groove;
the second compensation assembly comprises a second wedge-shaped block, a second pressure spring and a pair of stop blocks, the second wedge-shaped block is symmetrically arranged on two sides of the second compensation block, the stop blocks are symmetrically and fixedly arranged on two sides of the second accommodating groove, and the second pressure spring supports between the second wedge-shaped block and the two stop blocks respectively. Therefore, the stress of the first compensation block and the second compensation block is more balanced, and the problem of thread jamming is effectively avoided.
One side of the first compensation block is provided with a first guide inclined plane matched with the first wedge block, and one side of the second compensation block is provided with a second guide inclined plane matched with the second wedge block. Therefore, the first wedge block and the second wedge block are more stably abutted against the first compensation block and the second compensation block, and the action stability of the first compensation block and the second compensation block is further ensured.
The base 1 is connected with a bending machine through at least one fixing bolt 11, at least one movable hole 21 matched with the head of the fixing bolt is formed in the sliding seat 2, and the movable hole 21 is in a key groove shape; thereby the sliding seat is out of the position of the fixing bolt, and the base and the bending machine can be fixedly connected;
the sliding seat 2 is also provided with at least one guide stepped hole 22 with a large upper part and a small lower part and at least one fastening stepped hole 23 with a large upper part and a small lower part, the large hole and the small hole of the guide stepped hole are both in a key groove shape, and the large hole and the small hole of the fastening stepped hole are both in a key groove shape;
a guide bolt 12 in threaded connection with the base 1 is arranged in the guide stepped hole 22 in a penetrating manner, the head of the guide bolt is arranged in a large hole of the guide stepped hole, the screw part of the guide bolt is arranged in a small hole of the guide stepped hole, a guide sleeve 120 with a large upper part and a small lower part is sleeved outside the guide bolt 12, the upper part of the guide sleeve is matched with the large hole of the guide stepped hole, and the lower part of the guide sleeve is matched with the small hole of the guide stepped hole; thereby playing a good and stable guiding role when the sliding seat and the base perform relative motion;
the fastening stepped hole 23 is internally provided with a fastening bolt 13 in threaded connection with the base 1, the head of the fastening bolt is arranged in a large hole of the fastening stepped hole, the screw part of the fastening bolt is arranged in a small hole of the fastening stepped hole, and at least one gasket 130 is arranged between the head of the fastening bolt 13 and the stepped surface of the fastening stepped hole. Therefore, when the fastening bolt is screwed, the sliding seat and the base keep relatively static so as to keep the stop finger to keep better position stability; when the fastening bolt is loosened, the sliding seat and the base can move relatively, so that fine adjustment of the position of the stop finger can be realized through operation of the screw rod.
Claims (4)
1. The bending machine rear stop finger capable of compensating the clearance is characterized by comprising a base, a sliding seat, a stop finger and a fine adjustment mechanism, wherein the sliding seat is arranged on the base in a sliding manner, the fine adjustment mechanism is connected to one side of the sliding seat, and the stop finger is connected to the other side of the sliding seat;
the fine adjustment mechanism comprises a fixed seat and a screw rod, the fixed seat is fixedly connected to the base and is positioned on one side of the sliding seat, two sections of external threads with different thread pitches are arranged on the screw rod, a thread groove matched with one section of the external threads is arranged on the sliding seat, a thread hole matched with the other section of the external threads is arranged on the fixed seat, and the screw rod is sequentially connected with the fixed seat and the sliding seat through threads;
the fine adjustment mechanism further comprises a first compensation block, a first compensation assembly, a second compensation block and a second compensation assembly, wherein a first accommodating groove for accommodating the first compensation assembly is formed in the end face, facing the fixed seat, of the sliding seat, a second accommodating groove for accommodating the second compensation assembly is formed in the end face of one side of the fixed seat, the first compensation block is located in the first accommodating groove, the second compensation block is located in the second accommodating groove, the first compensation block and the second compensation block are both sleeved with the screw rod and are both in threaded connection with the screw rod;
the first compensation assembly comprises at least one first wedge-shaped block and at least one first pressure spring, the first wedge-shaped block is arranged in the first accommodating groove, and the first pressure spring abuts between the first wedge-shaped block and the side wall of the first accommodating groove, so that the first wedge-shaped block abuts between the sliding seat and the first compensation block;
the second compensation assembly comprises a second wedge block, a second at least one pressure spring and at least one stop dog, the second wedge block is arranged in the second accommodating groove, the stop dog is fixedly connected to the base and located on one side of the second accommodating groove, and the second pressure spring supports the second wedge block and the stop dog, so that the second wedge block supports the second fixing seat and the second compensation block.
2. The gap-compensable bending machine backstop finger according to claim 1, characterized in that said first compensation assembly comprises a pair of first wedge blocks and a pair of first compression springs, wherein the pair of first wedge blocks are symmetrically arranged at two sides of the first compensation block, and the pair of first compression springs respectively abut against two side walls of the first wedge blocks and the first accommodating groove;
the second compensation assembly comprises a second wedge-shaped block, a second pressure spring and a pair of stop blocks, the second wedge-shaped block is symmetrically arranged on two sides of the second compensation block, the stop blocks are symmetrically and fixedly arranged on two sides of the second accommodating groove, and the second pressure spring supports between the second wedge-shaped block and the two stop blocks respectively.
3. The gap-compensable backstop finger for bending machines as claimed in claim 1, wherein one side of said first compensation block is provided with a first guide inclined surface adapted to said first wedge-shaped block, and one side of said second compensation block is provided with a second guide inclined surface adapted to said second wedge-shaped block.
4. The gap-compensable backstop finger of a bending machine according to claim 1, characterized in that said base is connected with the bending machine by at least one fixing bolt, said sliding seat is provided with at least one movable hole adapted to the head of the fixing bolt, said movable hole is in the shape of a key slot;
the sliding seat is also provided with at least one guide stepped hole with a large upper part and a small lower part and at least one fastening stepped hole with a large upper part and a small lower part, the large hole and the small hole of the guide stepped hole are both in a key groove shape, and the large hole and the small hole of the fastening stepped hole are both in a key groove shape;
a guide bolt connected with the base in a threaded manner penetrates through the guide stepped hole, the head of the guide bolt is arranged in a large hole of the guide stepped hole, the screw part of the guide bolt is arranged in a small hole of the guide stepped hole, a guide sleeve with a large upper part and a small lower part is sleeved outside the guide bolt, the upper part of the guide sleeve is matched with the large hole of the guide stepped hole, and the lower part of the guide sleeve is matched with the small hole of the guide stepped hole;
the fastening stepped hole is internally provided with a fastening bolt in a penetrating way, the head of the fastening bolt is arranged in a large hole of the fastening stepped hole, the screw part of the fastening bolt is arranged in a small hole of the fastening stepped hole, and at least one gasket is arranged between the head of the fastening bolt and the stepped surface of the fastening stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920706705.3U CN209986035U (en) | 2019-05-16 | 2019-05-16 | Bender backstop finger capable of compensating clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920706705.3U CN209986035U (en) | 2019-05-16 | 2019-05-16 | Bender backstop finger capable of compensating clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209986035U true CN209986035U (en) | 2020-01-24 |
Family
ID=69294488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920706705.3U Active CN209986035U (en) | 2019-05-16 | 2019-05-16 | Bender backstop finger capable of compensating clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209986035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985933A (en) * | 2019-05-16 | 2019-07-09 | 江苏扬力数控机床有限公司 | A kind of bending machine rear baffle can compensate for gap |
-
2019
- 2019-05-16 CN CN201920706705.3U patent/CN209986035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985933A (en) * | 2019-05-16 | 2019-07-09 | 江苏扬力数控机床有限公司 | A kind of bending machine rear baffle can compensate for gap |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209986035U (en) | Bender backstop finger capable of compensating clearance | |
| CN103692257A (en) | Workpiece pressing device and drill press workbench with same | |
| CN111266830A (en) | Self-adaptive pressing mechanism | |
| KR102381613B1 (en) | Wedge drive with adjustable guide | |
| CN112238159A (en) | Deflection compensation device for working roll of straightening machine | |
| US20240157468A1 (en) | Pressure detection assembly and ultrasonic welding device | |
| CN114425909B (en) | Screen printing clamping and positioning platform for special-shaped plane printing stock | |
| JP2502814B2 (en) | Method and device for performing press work with a press machine | |
| CN112547858B (en) | Deflection compensation device convenient for fixing workbench | |
| CN105729870B (en) | A kind of slider of punch mechanism | |
| CN101367274B (en) | Slide block guide post regulating device of powder forming machine | |
| RU2817653C1 (en) | Deflection compensation device, convenient for fixing working table | |
| CN209256400U (en) | A kind of fixture of cylinder in V-arrangement body finish-milling top surface and right boring cylinder holes | |
| CN208728369U (en) | A kind of bending machine sliding rail guiding device | |
| US6164114A (en) | Compensation device for a press brake | |
| CN201644900U (en) | Adjusting device for adjusting clearance between cutting edges of vertical plate shears | |
| CN213470943U (en) | Hydraulic clamp with elastic prepressing function | |
| SU1750852A1 (en) | Treaded turning tool | |
| CN202825398U (en) | Component with head automatic machining device | |
| KR101310809B1 (en) | A cross-roller guide assembly, and a scribing apparatus mounted with cross-roller guide | |
| JP4475633B2 (en) | Feeder | |
| CN220407843U (en) | Numerical control planer-type milling machine and main shaft box guide rail side clearance adjusting device thereof | |
| CN109985933A (en) | A kind of bending machine rear baffle can compensate for gap | |
| CN212715542U (en) | Go into special prestressing force prefab of curtain | |
| CN220170072U (en) | Gauge and ruler mechanism capable of realizing stable and quick movement and fine adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |