CN214133358U

CN214133358U - Adjustable fixing device for double-chain drawing machine

Info

Publication number: CN214133358U
Application number: CN202023234223.4U
Authority: CN
Inventors: 王振; 冯力
Original assignee: WUXI NEWAY STEEL CO Ltd
Current assignee: WUXI NEWAY STEEL CO Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-07
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of the metal material processing and specifically relates to a but relate to an adjustable fixing device for double-stranded drawbench, and it includes fixed part and removal portion, leave the slotted hole that is used for passing the work piece between removal portion and the fixed part, the fixed part includes solid fixed bottom piece and integrated into one piece and accepts the board in four of solid fixed bottom piece, four accept the central symmetry of board about the solid fixed bottom piece, integrated into one piece has two bearing blocks on the solid fixed bottom piece, and two bearing blocks are symmetrical about the length direction of solid fixed bottom piece, the bearing block is located two and accepts between the board, removal portion is located the top of two bearing blocks, removal portion is vertical the sliding and is accepting on the board, removal portion and accept and be equipped with locking Assembly between the board, locking Assembly is used for locking the vertical height of removal portion on accepting the board. The drawing precision is improved and the equipment cost is reduced.

Description

Adjustable fixing device for double-chain drawing machine

Technical Field

The application relates to the field of metal material processing, in particular to an adjustable fixing device for a double-chain drawing machine.

Background

The drawing machine is one of the very important equipments on the production line of bar, wire and pipe, and its function is to change the diameter of the pipe so as to obtain the pipe diameter required by production, and is especially suitable for producing thin-wall pipe with small diameter. In recent years, the drawing machine is widely paid attention and applied to the steel and non-ferrous processing industry at home and abroad due to obvious economic benefit, and the drawing machine is developing towards multi-line, high-speed and automation in order to improve the production capacity of the drawing machine.

The drawbench includes a hydraulic drawbench and a chain drawbench, and the chain drawbench includes a single chain drawbench and a double chain drawbench. The double-chain drawing machine mainly comprises a motor, a speed reducer, a drawing trolley, two transmission chains and a fixing device. In the working process, the steel penetrates through the fixing device and then is connected with the drawing trolley, the drawing trolley moves forwards under the driving of the transmission chain, meanwhile, the wire is driven to move forwards together, and the wire is changed into a required shape after passing through the slotted hole of the fixing device.

Chinese patent publication No. CN206550143U discloses a high-speed drawing machine chuck, which fixes a cylindrical drawn workpiece by a clamping groove between a fixed block and a movable block, and clamps an empty drawn part of the workpiece between the fixed block and the movable block during operation by the fixed block and the movable block which are fastened and connected by a threaded post and a fastening nut, and then starts drawing. The chuck of the high-speed drawing machine has simple design and easy maintenance.

In the related technology, the inventor thinks that in the production process, because the inside wall of the clamping groove often rubs with the workpiece, wear and deformation easily occur over time, so that the drawing shape of the workpiece has errors, but the drawing shape cannot be adjusted and only can be replaced, thereby reducing the drawing precision and improving the equipment cost.

SUMMERY OF THE UTILITY MODEL

In order to improve drawing precision and reduce equipment cost, the application provides an adjustable fixing device for a double-chain drawing machine.

The application provides an adjustable fixing device for double-stranded drawbench adopts following technical scheme:

the utility model provides an adjustable fixing device for double-stranded drawbench, includes fixed part and removal portion, leave the slotted hole that is used for passing the work piece between removal portion and the fixed part, the fixed part includes solid fixed bottom piece and integrated into one piece and accepts the board in four of solid fixed bottom piece, four accept the central symmetry of board about the solid fixed bottom piece, integrated into one piece has two bearing pieces on the solid fixed bottom piece, and two bearing pieces are symmetrical about the length direction of solid fixed bottom piece, the bearing piece is located two and accepts between the board, removal portion is located the top of two bearing pieces, removal portion is vertical sliding and accepts on the board, removal portion and accept and be equipped with locking Assembly between the board, locking Assembly is used for locking the vertical height of removal portion on accepting the board.

Through adopting above-mentioned technical scheme, the fixed part is fixed to be set up, the staff upwards or the removal portion that slides downwards on accepting the board, adjust the interval between removal portion and the bearing piece, it is fixed to be locked by locking Assembly afterwards, thereby adjust the size of the slotted hole that supplies the work piece to pass, on the one hand, after wearing and tearing appear through repeated friction when the lateral wall of removal portion or fixed part, the staff can resume the size of slotted hole through the position of adjusting the removal portion, thereby guarantee to draw the precision, on the other hand, adjustable fixing device can be used for the drawing process of multiple different model work pieces, the application range of device has been improved, the cost is saved.

Optionally, the length of removal portion is greater than the length of fixed bottom block, the one end of removal portion flushes with fixed bottom block, and the other end exceeds the end connection who goes out fixed bottom block and has the connecting plate, the side that the connecting plate deviates from removal portion is equipped with the differential head, the telescopic link fixed connection of differential head in connecting plate.

Through adopting above-mentioned technical scheme, the differential head can carry out accurate regulation to the vertical height of connecting plate and removal portion, has improved the accuracy of slotted hole size, has further improved the drawing precision.

Optionally, the fixed part overcoat is equipped with the dirt proof boot, the dirt proof boot passes through bolt fastening connection on four accept the board, and one side of dirt proof boot is opened and is supplied the removal portion to wear out the back and connect the exit of wearing of differential head.

Through adopting above-mentioned technical scheme, the dirt proof boot makes fixed part and movable part avoid the dust deposit, has reduced the work load that the staff cleared up it.

Optionally, the bottom of the fixed bottom block is fixedly connected with a mounting plate.

Through adopting above-mentioned technical scheme, the setting up of mounting panel makes fixing device dismouting more convenient in subsequent application.

Optionally, the locking assembly includes a first locking bolt and a second locking bolt, the first locking bolt is used for locking the end portion of the moving portion close to the differential head, and the second locking bolt is used for locking the end portion of the moving portion far from the differential head; a first waist-shaped hole is formed in the dustproof sleeve and the bearing plate in a communicated manner, a first locking bolt penetrates through the first waist-shaped hole and slides up and down, and the first locking bolt penetrates through the first waist-shaped hole and then is connected to the moving part in a threaded manner; the dust cover with accept to open jointly on the board and lead to there being second waist shape hole, second waist shape hole is used for supplying second locking bolt to pass and slides from top to bottom, threaded connection is in removal portion behind second waist shape hole for second locking bolt passes.

Through adopting above-mentioned technical scheme, first locking bolt and second locking bolt can carry out the screw thread locking location to the vertical height of removal portion, and locking effect has been strengthened in cooperation between them, and first waist shape hole provides the space of stepping down for the upper and lower sliding movement of first locking bolt, and second waist shape hole provides the space of stepping down for the upper and lower sliding movement of second locking bolt.

Optionally, two locking assemblies are arranged on two sides of the moving part in the width direction.

Through adopting above-mentioned technical scheme, the width direction both sides of removal portion are equipped with two locking Assembly, have further improved the fixed effect of locking of removal portion, have reduced the condition that draws the precision because of removal portion rocks in-process and influence.

Optionally, the side of the moving part facing the bearing plate is integrally formed with a dovetail strip, the bearing plate is provided with a dovetail groove for the dovetail strip to slide, and the two dovetail strips are symmetrically arranged in the width direction of the moving part.

By adopting the technical scheme, the sliding fit of the dovetail strip and the dovetail groove plays a role in guiding the upward and downward sliding processes of the moving part, the accuracy of the moving process of the moving part is improved, and the dislocation of the moving part is reduced.

Optionally, the top surface of the moving part deviating from the bearing block is provided with a plurality of adjusting pressure springs, the adjusting pressure springs are extruded between the moving part and the dustproof sleeve, and the adjusting pressure springs are uniformly distributed on the top surface of the moving part.

By adopting the technical scheme, on one hand, the arrangement of the plurality of adjusting pressure springs plays a role in buffering when the differential head is movably adjusted; on the other hand, in the drawing process, the pressure spring is adjusted to apply elasticity to the moving part, so that the fitting effect of the moving part and the workpiece is better, and the drawing effect is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the movable part and the fixed part are adjusted and matched and then locked and fixed by the locking assembly, when the fixing device is abraded and the drawing precision is reduced, the size of the slotted hole can be adjusted, so that the drawing precision is restored and improved again, and the adjustable slotted hole enables the fixing device not only to be not required to be frequently replaced, but also to be capable of drawing workpieces with different sizes, so that the equipment cost is reduced;

2. the arrangement of the differential head further improves the adjusting precision of the moving part;

3. the even setting of a plurality of regulation pressure springs plays the cushioning effect when the differential head carries out the regulation of sliding of removal portion on the one hand, and on the other hand adjusts the pressure spring and applys vertical direction's elasticity to removal portion, makes removal portion and work piece paste tight fit, reduces the condition that removal portion and work piece do not laminate.

Drawings

Fig. 1 is a schematic structural diagram for embodying an embodiment of the present application.

FIG. 2 is a cross-sectional view for embodying embodiments of the present application.

FIG. 3 is a partially schematic view for illustrating the positional relationship of the dovetail strip and the dovetail groove.

Description of reference numerals: 1. a fixed part; 11. fixing the bottom block; 12. a bearing plate; 13. a bearing block; 2. a moving part; 21. a penetration port; 22. a connecting plate; 23. differentiating the head; 231. fixing a sleeve; 24. a dovetail strip; 241. a dovetail groove; 3. a slot; 41. mounting a plate; 411. bolt holes; 42. a dust-proof sleeve; 5. a locking assembly; 51. a first locking bolt; 511. a first waist-shaped hole; 52. a second locking bolt; 521. a second waist-shaped hole; 6. and adjusting the pressure spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an adjustable fixing device for a double-chain drawing machine. Referring to fig. 1, the adjustable fixture for a double strand drawing machine includes a fixed part 1 and a moving part 2, with a slot hole 3 left between the fixed part 1 and the moving part 2 for passing through a workpiece. The movable part 2 is connected to the fixed part 1 in a sliding mode, and the size of the groove hole 3 is adjusted by adjusting the position of the movable part 2 on the fixed part 1, so that the movable part is suitable for workpieces of different models. Before the drawing process is started, the worker passes the blank drawing portion of the workpiece through the slot hole 3, and then adjusts the position of the moving section 2 according to the desired drawing size.

Referring to fig. 2, the fixing portion 1 includes a rectangular fixing base block 11 and four receiving plates 12 integrally formed on the fixing base block 11. The bearing plates 12 are rectangular plates, four bearing plates 12 are symmetrical about the center of the fixed bottom block 11 and are distributed at four corners of the fixed bottom block 11, and the bearing plates 12 are all perpendicular to the fixed bottom block 11.

Referring to fig. 1 and 2, a mounting plate 41 is fixedly connected to the bottom of the fixed bottom block 11, the mounting plate 41 is a square plate, and the mounting plate 41 is parallel to the fixed bottom block 11. Bolt holes 411 are arranged at four corners of the double-chain drawing machine, and the fixing part 1 and the mounting plate 41 are fixedly connected to the double-chain drawing machine through bolts.

Referring to fig. 2, the fixed part 1 and the moving part 2 are covered with a dust-proof sleeve 42, the top of the dust-proof sleeve 42 is fastened to the top of the four bearing plates 12 by bolts, and the bottom of the dust-proof sleeve 42 is abutted against the mounting plate 41. The dustproof sleeve 42 is provided with a penetrating port 21 through which the moving part 2 penetrates, and the penetrating port 21 provides a yielding space for the sliding adjustment of the moving part 2 on the dustproof sleeve 42.

Referring to fig. 2, two bearing blocks 13 are further integrally formed on the fixed bottom block 11, the two bearing blocks 13 are symmetrical with respect to the length direction of the fixed bottom block 11, and a single bearing block 13 is located between the two bearing plates 12.

Referring to fig. 1 and 2, the moving part 2 is a rectangular block, and the longitudinal direction thereof is parallel to the longitudinal direction of the fixed base block 11. The moving part 2 is positioned above the two bearing blocks 13 and slides vertically between the two bearing plates 12. A locking assembly 5 is arranged between the bearing plate 12 and the moving part 2, and the locking assembly 5 is used for locking and fixing the vertical position of the moving part 2 on the bearing plate 12. Two locking assemblies 5 are arranged on two sides of the width direction of the moving part 2, so that the locking effect is further improved, and the possibility of loose locking is reduced.

Referring to fig. 2, the length of the moving part 2 is greater than that of the fixed bottom block 11, a connecting plate 22 is fixedly connected to the end of the moving part 2 penetrating through the penetrating port 21, and a differential head 23 is arranged on the side of the connecting plate 22 departing from the moving part 2.

Referring to fig. 2, a fixing sleeve 231 for mounting the differential head 23 is fixedly connected to a side surface of the fixing base plate 11, and the telescopic rod of the differential head 23 is fixedly connected to the connecting plate 22. When the size of the slotted hole 3 needs to be adjusted or the precision of the moving part 2 is reduced due to abrasion, a worker adjusts the position of the connecting plate 22 by controlling the telescopic rod of the differential head 23, and the connecting plate 22 drives the moving part 2 to slide, so that the vertical height of the moving part 2 is adjusted, and the size of the slotted hole 3 is adjusted.

Referring to fig. 3, two dovetail strips 24 are integrally formed on the side of the moving part 2 facing the receiving plate 12, the dovetail strips 24 are located at one end of the moving part 2 away from the differential head 23, and the two dovetail strips 24 are symmetrical with respect to the width direction of the moving part 2. The bearing plate 12 is respectively provided with a dovetail groove 241 for the sliding of the dovetail strip 24, and the dovetail strip 24 is matched with the dovetail groove 241 in a sliding way, so that the sliding process of the moving part 2 cannot be staggered.

Referring to fig. 1, the locking assembly 5 includes a first locking bolt 51 for locking the end of the moving part 2 close to the differential head 23 and a second locking bolt 52 for locking the end of the moving part 2 remote from the differential head 23.

Referring to fig. 1, the dust-proof sleeve 42 and the bearing plate 12 are opened with a first waist-shaped hole 511, and the first waist-shaped hole 511 is located on one side of the dust-proof sleeve 42 close to the differential head 23. The first waist-shaped hole 511 is used for the first locking bolt 51 to pass through and slide up and down, and the first locking bolt 51 passes through the first waist-shaped hole 511 and then is screwed on the moving part 2. The two first lock bolts 51 are symmetrical with respect to the width direction of the moving part 2, and two first kidney-shaped holes 511 are opened corresponding to the first lock bolts 51.

Referring to fig. 1 and 2, the dust-proof sleeve 42 and the bearing plate 12 are further provided with a second slotted hole 521, the second slotted hole 521 is used for the second locking bolt 52 to pass through and slide up and down, the second locking bolt 52 passes through the second slotted hole 521 and then is screwed to the moving part 2, and two second slotted holes 521 are formed in the dust-proof sleeve 42 corresponding to the second locking bolt 52.

Referring to fig. 1 and 2, after the movable portion 2 is slidably adjusted by the control of the differentiating head 23, the worker tightens the first locking bolt 51 and the second locking bolt 52 one by one to lock and position the movable portion 2 at a desired height.

Referring to fig. 2, the top surface of the moving part 2 departing from the fixed bottom block 11 is provided with four adjusting compression springs 6, and the four adjusting compression springs 6 are uniformly distributed on the moving part 2. The adjusting pressure spring 6 is extruded between the inner top walls of the moving part 2 and the dustproof sleeve 42, one end of the adjusting pressure spring 6 is fixedly connected to the moving part 2, and the other end of the adjusting pressure spring is fixedly connected to the dustproof sleeve 42.

Referring to fig. 1 and 2, when the differential head 23 movably adjusts the vertical height of the moving part 2, the moving part 2 extrudes and adjusts the compression spring 6, the adjustment compression spring 6 accumulates elastic potential energy, and the adjustment compression spring 6 plays a role in buffering the sliding of the moving part 2; after the adjustment is completed, the first locking bolt 51 and the second locking bolt 52 are locked, and the pressure spring 6 is adjusted to apply elasticity to the moving part 2 at any moment, so that the attaching effect of the moving part 2 and the workpiece is better, and the drawing effect is improved.

The implementation principle of the adjustable fixing device for the double-chain drawbench is as follows: before processing, a worker adjusts the vertical heights of the connecting plate 22 and the moving part 2 by using a telescopic rod of the differential head 23, when the moving part 2 slides upwards, the adjusting pressure spring 6 is extruded, and the adjusting pressure spring 6 plays roles of buffering and elastic compression on the moving part 2; when the moving part 2 moves downwards, the adjusting pressure spring 6 has a tensile force effect on the moving part 2, and the sudden drop of the moving part 2 is prevented.

When the moving part 2 is adjusted to a desired height upward or downward, that is, when the size of the slot 3 is appropriate, the worker screws the first locking bolt 51 and the second locking bolt 52 one by one to perform positioning locking on the moving part 2, and then starts to perform drawing work on the workpiece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An adjustable fixing device for a double-chain drawing machine is characterized in that: comprises a fixed part (1) and a movable part (2), a slotted hole (3) for penetrating through a workpiece is reserved between the movable part (2) and the fixed part (1), the fixing part (1) comprises a fixing bottom block (11) and four bearing plates (12) integrally formed on the fixing bottom block (11), the four bearing plates (12) are symmetrical about the center of the fixing bottom block (11), the fixed bottom block (11) is integrally formed with two bearing blocks (13), the two bearing blocks (13) are symmetrical with respect to the length direction of the fixed bottom block (11), the bearing blocks (13) are positioned between the two bearing plates (12), the moving part (2) is positioned above the two bearing blocks (13), the moving part (2) vertically slides on the bearing plate (12), a locking component (5) is arranged between the moving part (2) and the bearing plate (12), the locking assembly (5) is used for locking the vertical height of the moving part (2) on the bearing plate (12).

2. The adjustable fixture for double strand draw machine of claim 1, wherein: the length of removal portion (2) is greater than the length of solid fixed bottom piece (11), the one end of removal portion (2) length direction flushes with solid fixed bottom piece (11), and the other end surpasss the end connection who goes out solid fixed bottom piece (11) has connecting plate (22), the side that connecting plate (22) deviate from removal portion (2) is equipped with differential head (23), the telescopic link fixed connection in connecting plate (22) of differential head (23).

3. The adjustable fixture for double strand draw machine of claim 1, wherein: the dustproof sleeve (42) is sleeved outside the fixing portion (1), the dustproof sleeve (42) is connected to the four bearing plates (12) through bolts in a fastening mode, and an outlet (21) for the movable portion (2) to penetrate out and then to be connected with the differential head (23) is formed in one side of the dustproof sleeve (42).

4. The adjustable fixture for double strand draw machine of claim 1, wherein: the bottom of the fixed bottom block (11) is fixedly connected with a mounting plate (41).

5. The adjustable fixture for double strand draw machine of claim 3, wherein: the locking assembly (5) comprises a first locking bolt (51) and a second locking bolt (52), the first locking bolt (51) is used for locking the end part of the moving part (2) close to the differential head (23), and the second locking bolt (52) is used for locking the end part of the moving part (2) far away from the differential head (23); a first waist-shaped hole (511) is formed in the dustproof sleeve (42) and the bearing plate (12) in a communicated mode, the first waist-shaped hole (511) is used for a first locking bolt (51) to penetrate through and slide up and down, and the first locking bolt (51) penetrates through the first waist-shaped hole (511) and then is connected to the moving portion (2) in a threaded mode; the dustproof sleeve (42) and the bearing plate (12) are communicated with a second waist-shaped hole (521) together, the second waist-shaped hole (521) is used for a second locking bolt (52) to penetrate through and slide up and down, and the second locking bolt (52) penetrates through the second waist-shaped hole (521) and then is connected to the moving part (2) in a threaded mode.

6. The adjustable fixture for double strand draw machine of claim 5, wherein: two locking assemblies (5) are arranged on two sides of the width direction of the moving part (2).

7. The adjustable fixture for double strand draw machine of claim 1, wherein: remove portion (2) and accept on the side of board (12) towards integrated into one piece and have dovetail (24), it has dovetail (241) that supply dovetail (24) to slide to open on board (12), dovetail (24) are equipped with two in the width direction symmetry of removal portion (2).

8. The adjustable fixture for double strand draw machine of claim 3, wherein: the top surface that removes portion (2) and deviates from bearing block (13) is equipped with a plurality of regulation pressure springs (6), it extrudes between removal portion (2) and dirt proof boot (42) to adjust pressure spring (6), adjust pressure spring (6) evenly distributed at the top surface of removal portion (2).