CN203221243U - High-speed numerical control hard broaching machine - Google Patents
High-speed numerical control hard broaching machine Download PDFInfo
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- CN203221243U CN203221243U CN 201320211716 CN201320211716U CN203221243U CN 203221243 U CN203221243 U CN 203221243U CN 201320211716 CN201320211716 CN 201320211716 CN 201320211716 U CN201320211716 U CN 201320211716U CN 203221243 U CN203221243 U CN 203221243U
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- clamp knife
- claw
- cutter
- slide plate
- lower clamp
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Abstract
A high-speed numerical control hard broaching machine is provided with a base (8), a machine bed (10), a first sliding rail set, a first sliding plate (7), a workbench, a first servo motor (1), a first ball lead screw, a lower cutter clamping body (9), a first cutter clamping air cylinder or hydraulic oil cylinder, a second sliding rail set, a second sliding plate (4), a second servo motor (6), a second ball lead screw (5), a third sliding rail set, a third sliding plate (3), a cutter feeding air cylinder (2), an upper cutter clamping body (12) and a second cutter clamping air cylinder or hydraulic oil cylinder (13), wherein the first sliding plate (7) is connected with the first sliding rail set, the workbench is connected with the first sliding plate (7), the first ball lead screw is in transmission linkage with the first servo motor (1), the lower cutter clamping body (9) is connected to the base (8), the second sliding plate (4) is connected with the second sliding rail set, the second ball lead screw (5) is in transmission linkage with the second servo motor (6), the nut of the second ball lead screw (5) is connected with the second sliding plate (4), the third sliding rail set is connected to the second sliding plate (4), the third sliding plate (3) is connected with the third sliding rail set, the upper cutter clamping body (12) is connected to the third sliding plate (3), and the second cutter clamping air cylinder or hydraulic oil cylinder (13) is fixedly arranged on the third sliding plate (3).
Description
Technical field
The utility model relates to a kind of broaching machine, especially relates to a kind of high-speed numeric control hard draw bed.
Background technology
In machining, for example: gear is one of modal power transmitting elements, and the gear pair that forms by two gears of arranging of matching transmits moment of torsion, is widely used in the power transmission of automobile or motorcycle.And gear is owing to need cooperate with gear shaft, on the interior circle of gear, all needs to arrange the keyway that matches with the periphery of axle, teeth groove etc., could drive mutually between gear and the gear shaft, rotates together.At present process keyway, teeth groove etc. at the interior circle of gear, be on broaching machine, gear blank is fixed on the frock of broaching machine, then broaching tool is passed the interior circular hole of gear, drive broaching tool work by machine power, interior circular hole at gear processes keyway, teeth groove etc., after machining finished product and broaching tool is disassembled, and vanning enters next process then.At the requirement of machining, people have designed different broaching machines.A kind of numerical control screw thread pull-up broaching machine is disclosed as CN201157940, it comprises base, lathe bed, slide plate, upper clamp knife body, lower clamp knife body, send cutter mechanism, pusher, workbench, servo main motion mechanism, servo rotational motion mechanism, and electrical system and hydraulic system, described lower clamp knife body and servo rotational motion mechanism are fixed on the base, and the upper clamp knife body is fixed on and send on the cutter mechanism, workbench is vertically fixed on the slide plate lower end, place the slide plate on the bed ways to link to each other with servo main motion mechanism, sled surface is provided with two parallel lines guide rails, send on two parallel lines guide rails that cutter mechanism is installed in described sled surface; Workbench one side is provided with line slideway, and pusher is installed on the described guide rail.
At present, gear in process, be processed into satisfactory product structure after, often need again through quenching and temper, cooperate with the tempering of different temperatures by quenching, significantly improving its intensity, hardness, wearability, fatigue strength and toughness etc., thereby to satisfy different instructions for uses.Yet, the workpiece that processes is after quenching and temper, often there is certain deformation, in order to improve its machining accuracy, the someone has selected its processing of broaching again, but because of the workpiece hardness height, broaching machine of the prior art is when broaching, cutter easily produces vibration, and broaching speed is also low, and the processed workpiece precision still is difficult to reach high-precision requirement.
The utility model content
In order to overcome the defective of prior art, the utility model proposes the broaching machine that vibration cutting in a kind of running is little, can adapt to the specification requirement of broaching at a high speed.
In order to solve the problems of the technologies described above, the high-speed numeric control hard draw bed that the utility model provides has: base at least; Be connected lathe bed vertical with horizontal plane on the described base, also have first slide rail set that is connected on the described lathe bed; First slide plate that is slidingly connected with described first slide rail set; The workbench that is connected with described first slide plate; Be fixed on first servomotor at described lathe bed top; First ball screw of first end and the described first servomotor driving coupling, second end of described first ball screw rotatably is connected on the lathe bed, and the nut of described first ball screw is fixedlyed connected with described first slide plate; Be detachably connected on the lower clamp knife body on the described base; Be connected first on described base folder cutter cylinder or hydraulic jack, the piston rod of the described first folder cutter cylinder or hydraulic jack is connected with the clamping device of described lower clamp knife body, controls unclamping or clamping of lower clamp knife body; Be connected described lathe bed upper vertical in second slide rail set of horizontal plane; Second slide plate that is slidingly connected with described second slide rail set; Be fixed on second servomotor of described lathe bed one side; Second ball screw of first end and the described second servomotor driving coupling, second end of described second ball screw rotatably is connected on the lathe bed, and the nut of described second ball screw is connected with described second slide plate; Be connected on described second slide plate the 3rd slide rail set perpendicular to horizontal plane; The 3rd slide plate that is slidingly connected with described the 3rd slide rail set; Be connected and send the cutter cylinder on described second slide plate, the described piston rod of cutter cylinder that send is connected with described the 3rd slide plate; Be connected the upper clamp knife body on described the 3rd slide plate; Be connected the folder cutter cylinder of second on described the 3rd slide plate or hydraulic jack, the piston rod of described second cylinder or hydraulic jack is connected with the clamping device of described upper clamp knife body, and control is pressed from both sides unclamping of cutter hub or clamped.
Further, as one of improvement project of the present utility model, the clamping device of the lower clamp knife body of high-speed numeric control hard draw bed has axial claw and first claw radially that acts on cutter simultaneously, make that cutter is held after, cutter does not produce axially and radial displacement during broaching.Thereby reduce the vibration that cutter produces when operation, improve the crudy of product, reduce the damage of cutter, improve broaching speed.
As two of improvement project of the present utility model, the upper clamp knife body of high-speed numeric control hard draw bed comprises the upper clamp knife pedestal with axially extending bore; Be detachably connected on the interchangeable broach shell of the axially extending bore bottom of described upper clamp knife pedestal; Being positioned on the described upper clamp knife pedestal is complementary with the cutter neck location points to first sets of vias in axle center; Be slidingly connected at the neck claw in described first sets of vias; Being positioned on the described upper clamp knife pedestal is complementary with position, cutter upper end points to second sets of vias in axle center; Be slidingly connected at radially claw of second in described second sets of vias; Be slidingly connected at the ejector pin on the axially extending bore top of described upper clamp knife pedestal; Spring between described ejector pin and upper clamp knife pedestal top cover; Be slidingly connected at described upper clamp knife pedestal outside, promote the radially sliding sleeve of claw motion of described neck claw and second; Described sliding sleeve is connected with the piston rod of the second folder cutter cylinder or hydraulic jack.
Further, high-speed numeric control hard draw bed above-mentioned improvement project two on, described second radially claw have pin key, described upper clamp knife pedestal has the stopper slot that moves for described pin key, first end of described pin key inserts second radially in the claw, second end is positioned at described stopper slot, has to promote first back-moving spring that described pin key resets in described stopper slot.
As three of improvement project of the present utility model, the lower clamp knife body of high-speed numeric control hard draw bed comprises the lower clamp knife pedestal with axially extending bore; Being positioned on the described lower clamp knife pedestal is complementary with position, cutter bottom points to the third through-hole group in axle center; Be slidingly connected at radially claw of first in the described third through-hole group; Be positioned at the tilt fourth hole group of face of cylinder delivery position of the lower surface of pointing to cutter and cutter of described lower clamp knife pedestal; Be slidingly connected at the axial claw in the described fourth hole group; Be slidingly connected at described lower clamp knife pedestal outside, promote radially second sliding sleeve of claw motion of described axial claw and first; Described sliding sleeve is connected with the piston rod of the first folder cutter cylinder or hydraulic jack.
Further, high-speed numeric control hard draw bed above-mentioned improvement project three on, described lower clamp knife body also has and acts on the spring that sliding sleeve resets.
Further, described lower clamp knife body and described base link also have locking nut.
Further, high-speed numeric control hard draw bed above-mentioned improvement project three on, described lower clamp knife body first radially claw have pin key, described lower clamp knife pedestal has the stopper slot that moves for described pin key, first end of described pin key inserts first radially in the claw, second end is positioned at described stopper slot, has to promote second back-moving spring that described pin key resets in described stopper slot.
Further, high-speed numeric control hard draw bed above-mentioned improvement project three on, described axial claw has pin key, described lower clamp knife pedestal has the stopper slot that moves for described pin key, first end of described pin key inserts in the axial claw, and second end is positioned at described stopper slot.
Above-mentioned improvement project can be implemented alone or in combination under the situation of not conflicting.
The beneficial effect that the utility model brings: the high-speed numeric control hard draw bed that the utility model provides; the 3rd slide plate is subjected to second servomotor and second ball screw and send the acting in conjunction of cutter cylinder; initial stage is when moving; servomotor can make the quick acting of upper clamp knife body; when moving near workpiece; change by sending cutter cylinder control upper clamp knife body action; send the cutter cylinder to have cushioning effect; can make need the broach broaching position of workpiece of bit alignment; thereby protection cutter; improve operating rate, have characteristics such as efficient height, function-stable.Broaching speed can reach 60 ~ 80 meters/minute, and broaching part hardness can reach HRC60, and speed only needs 0.2 second from zero to 60 meters/minute.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is embodiment high-speed numeric control hard draw bed structure schematic diagram;
Fig. 2 is the upper clamp knife body structure schematic diagram of embodiment high-speed numeric control hard draw bed;
Fig. 3 is the lower clamp knife body structure schematic diagram of embodiment high-speed numeric control hard draw bed.
The specific embodiment
High-speed numeric control hard draw bed as shown in Figure 1 to Figure 3, has base 8, lathe bed 10 is connected on the described base 8 and is vertical with horizontal plane, first slide rail set is connected on the described lathe bed 10, first slide plate 7 and first slide rail set are slidingly connected, horizontal table is fixedlyed connected with described first slide plate 7, and first servomotor 1 is fixedly connected on the top of described lathe bed 10; First end of first ball screw and described first servomotor, 1 driving coupling, second end of first ball screw rotatably is connected on the bearing of lathe bed 10, and the nut of first ball screw is fixedlyed connected with described first slide plate 7; Lower clamp knife body 9 removably is connected on the described base 8; And by locking nut 25 lockings, lower clamp knife body 9 has the lower clamp knife pedestal 28 of axially extending bore; The third through-hole group is made of two through holes, is symmetrically located on the described lower clamp knife pedestal 28 and be complementary position and point to the axle center, cutter bottom; First radially claw 27 be slidingly connected in the described third through-hole group; Radially claw 27 has pin key 32, lower clamp knife pedestal 28 has the stopper slot that supply and marketing key 32 moves, first end of pin key 32 inserts radially in the claw 27, second end is positioned at described stopper slot, the pin key 32 restrictions first radially rotation of claw 27 has the back-moving spring 33 that the described pin key 32 of promotion resets in described stopper slot.The fourth hole group is made of two through holes, is symmetrically located at described lower clamp knife pedestal 28 the tilt lower surface of pointing to cutter and the face of cylinder delivery position of cutter, and the junction, the face of cylinder of the lower surface of cutter and cutter cuts into a plane; Axially claw 22 is slidingly connected in the described fourth hole group, axially claw 22 has spacing pin key 31, lower clamp knife pedestal 28 has the stopper slot that moves for described pin key 31, first end of described pin key 31 inserts in the axial claw 22, second end is positioned at described stopper slot, the rotation of pin key 31 restrictive axial claws 22; Second sliding sleeve 21 is slidingly connected at the outside of described lower clamp knife pedestal 28, the first folder cutter cylinder block is fixedly connected on the base 8, described sliding sleeve 21 is connected with the piston rod of the first folder cutter cylinder, described sliding sleeve 21 inner surfaces have inclined-plane and groove in the groove, the interior inclined-plane of groove and groove location that the action of the first folder cutter cylinder drives sliding sleeve 21 inner surfaces move, thereby make radially claw 27 motions of described axial claw 22 and first; The unclamping or clamp of control lower clamp knife body 9; Described lower clamp knife body 9 also has the spring 23 that acts on sliding sleeve 21.Second slide rail set is connected described lathe bed 10 tops and perpendicular to horizontal plane, second slide plate 4 is slidingly connected with described second slide rail set; Second servomotor 6 is fixed on a side of described lathe bed 10; First end of second ball screw 5 and described second servomotor, 6 driving coupling, second end of second ball screw rotatably is connected on the lathe bed 10, and the nut of second ball screw 5 is fixedlyed connected with described second slide plate 4; The 3rd slide rail set is connected on described second slide plate 4 and perpendicular to horizontal plane; The 3rd slide plate 3 is slidingly connected with described the 3rd slide rail set; Send the cylinder body of cutter cylinder 2 to be fixedly connected on described second slide plate 4, send the piston rod of cutter cylinder 2 to be connected with described the 3rd slide plate 3; Upper clamp knife body 12 is detachably connected on described the 3rd slide plate 3; Upper clamp knife body 12 has the upper clamp knife pedestal 19 of axially extending bore; Interchangeable broach shell 18 is detachably connected on the bottom of the axially extending bore of described upper clamp knife pedestal 19; First sets of vias is made of two through holes, be positioned on the described upper clamp knife pedestal 19 with cutter on be complementary position and symmetry of neck point to the axle center; Neck claw 17 is slidingly connected in described first sets of vias; Second sets of vias is made of two through holes, is symmetrically located on the described upper clamp knife pedestal 19 and be complementary position and point to the axle center, cutter upper end; Second radially claw 16 be slidingly connected in described second sets of vias; Described second radially claw 16 have pin key 29, upper clamp knife pedestal 19 has the stopper slot that moves for described pin key 29, first end of pin key 29 inserts second radially in the claw 16, second end is positioned at described stopper slot, the pin key 29 restrictions second radially rotation of claw 16 has first back-moving spring 30 that the described pin key 29 of promotion resets in described stopper slot.Ejector pin 20 slidably is connected the axially extending bore top of described upper clamp knife pedestal 19; Has spring 14 between described ejector pin 20 and upper clamp knife pedestal 19 top covers; Sliding sleeve 15 is slidingly connected at the outside of described upper clamp knife pedestal 19, the second folder cutter cylinder 13 is fixed on described the 3rd slide plate 3, described sliding sleeve 15 is connected with the piston rod of the second folder cutter cylinder 13, described sliding sleeve 15 inner surfaces are skewed, the action of the second folder cutter cylinder 13, promote described neck claw 17 and radially claw 16 motions, control is pressed from both sides unclamping of cutter hub 12 or is clamped.
The first folder cutter cylinder or the second folder cutter cylinder are hydraulic jack in other embodiments.
During work, in a cycle period, finish following process successively: the work piece operating position on first slide plate 7 of packing into; Second servomotor 6 drives 5 rotations of second ball screw, and the nut of second ball screw 5 drives second slide plate 4 and the 3rd slide plate 3 descends fast, thereby upper clamp knife body 12 is descended, and the servo cutter that send is finished in 6 stalls of second servomotor; Send the cutter cylinder 2 startings, its piston rod promotes the 3rd slide plate 3 low speed and moves down; Upper clamp knife body 12 is descended, finish the pneumatic cutter that send, servo translational speed when sending cutter is higher than pneumatic translational speed when sending cutter in sending the cutter process.Cutter has entered in the lower clamp knife body 9 after sending cutter to finish, 13 actions of the second folder cutter cylinder, the piston rod of the second folder cutter cylinder 13 drives on the sliding sleeve 15 and moves, neck claw 17 and radially claw 16 to moving away from tool orientation, upper clamp knife body 12 unclamps, and upper clamp knife body 12 is finished loose cutter; The first folder cutter cylinder action, its piston rod drives on sliding sleeve 21 and moves, impeller-hub to claw 22 and radially claw 27 move to tool orientation; Folder cutter hub 9 clamps cutter, during broaching, cutter can not taken place axially and radial displacement; 13 actions of the second folder cutter cylinder, the piston rod of the second folder cutter cylinder 13 drives sliding sleeve 15 and moves down, neck claw 17 and radially claw 16 move to tool orientation, upper clamp knife body 12 presss from both sides cuttves, upper clamp knife body 12 is finished the folder cutter; First servomotor 1 drives the rotation of first ball screw, and the nut of first ball screw drives first slide plate 7 and moves at a high speed on first slide rail set, makes work piece obtain broaching at a high speed; 13 actions of the second folder cutter cylinder, the piston rod of the second folder cutter cylinder 13 drives on the sliding sleeve 15 and moves, neck claw 17 and radially claw 16 is to moving away from tool orientation, upper clamp knife body 12 unclamps, and upper clamp knife body 12 is finished loose cutter; Second servomotor 6 drives 5 rotations of second ball screw, and the nut of second ball screw 5 drives on second slide plate 4 and the 3rd slide plate 3 and moves, and moves thereby make on the upper clamp knife body 12, finishes servo cutter relieving, and second servomotor 6 stopped after cutter relieving was finished; First servomotor 1 drives the rotation of first ball screw, and the nut of first ball screw drives first slide plate 7 and moves at a slow speed on first slide rail set, and work piece is broached at a slow speed; Repeat aforementioned servo cutter and pneumatic cutter, the upper clamp knife body 12 folder cutter processes sent sent; The first folder cutter cylinder action, its piston rod drives sliding sleeve 21 and moves down, impeller-hub to claw 22 and radially claw 27 to moving away from tool orientation; Folder cutter hub 9 unclamps cutter, send the cutter cylinder 2 startings, and its piston rod promotes to move on the 3rd slide plate 3; Upper clamp knife body 12 is risen, finish pneumatic griffing; Second servomotor 6 drives 5 rotations of second ball screw, and the nut of second ball screw 5 drives on second slide plate 4 and the 3rd slide plate 3 and moves, and moves thereby make on the upper clamp knife body 12, finishes servo griffing, and second servomotor 6 stops after griffing to finish; Pneumatic griffing can be carried out simultaneously with servo griffing, and after griffing to finish, work piece is removed.
Obviously, the utility model is not limited to above preferred embodiment, also can be in the spirit of the utility model claim and specification restriction, carry out conversion and the improvement of various ways, can solve same technical problem, and obtain the technique effect of expection, so do not repeat.Those of ordinary skill in the art can be from the disclosed content of the utility model directly or all schemes of associating, as long as within the spirit that claim limits, also belong to protection domain of the present utility model.
Claims (9)
1. a high-speed numeric control hard draw bed has: base (8) at least; Be connected described base (8) and go up the lathe bed (10) vertical with horizontal plane, it is characterized in that also having first slide rail set that is connected on the described lathe bed (10); First slide plate (7) that is slidingly connected with described first slide rail set; The workbench that is connected with described first slide plate (7); Be fixed on first servomotor (1) at described lathe bed (10) top; First ball screw of first end and described first servomotor (1) driving coupling, second end of described first ball screw rotatably are connected on the lathe bed (10), and the nut of described first ball screw is fixedlyed connected with described first slide plate (7); Be detachably connected on the lower clamp knife body (9) on the described base (8); Be connected first on the described base (8) folder cutter cylinder or hydraulic jack, the piston rod of the described first folder cutter cylinder or hydraulic jack is connected with the clamping device of described lower clamp knife body (9), controls unclamping or clamping of lower clamp knife body (9); Be connected described lathe bed (10) upper vertical in second slide rail set of horizontal plane; Second slide plate (4) that is slidingly connected with described second slide rail set; Be fixed on second servomotor (6) of described lathe bed (10) one sides; Second ball screw (5) of first end and described second servomotor (6) driving coupling, second end of described second ball screw rotatably is connected on the lathe bed (10), and the nut of described second ball screw (5) is connected with described second slide plate (4); Be connected last the 3rd slide rail set perpendicular to horizontal plane of described second slide plate (4); The 3rd slide plate (3) that is slidingly connected with described the 3rd slide rail set; Be connected and send cutter cylinder (2) on described second slide plate (4), the described piston rod of cutter cylinder (2) that send is connected with described the 3rd slide plate (3); Be connected the upper clamp knife body (12) on described the 3rd slide plate (3); Be connected the folder cutter cylinder of second on described the 3rd slide plate (3) or hydraulic jack (13), the piston rod of described second cylinder or hydraulic jack (13) is connected with the clamping device of described upper clamp knife body (12), and control is pressed from both sides unclamping of cutter hub (12) or clamped.
2. high-speed numeric control hard draw bed according to claim 1, it is characterized in that: the clamping device of described lower clamp knife body (9) has axial claw (22) and first claw (27) radially that acts on cutter simultaneously, after making that cutter is held, cutter does not produce axially and radial displacement during broaching.
3. high-speed numeric control hard draw bed according to claim 1, it is characterized in that: described upper clamp knife body (12) comprises the upper clamp knife pedestal (19) with axially extending bore; Be detachably connected on the interchangeable broach shell (18) of the axially extending bore bottom of described upper clamp knife pedestal (19); Being positioned at described upper clamp knife pedestal (19) goes up and be complementary first sets of vias in sensing axle center of cutter neck location; Be slidingly connected at the neck claw (17) in described first sets of vias; Being positioned at described upper clamp knife pedestal (19) goes up and be complementary second sets of vias in sensing axle center of position, cutter upper end; Be slidingly connected at radially claw (16) of second in described second sets of vias; Be slidingly connected at the ejector pin (20) on the axially extending bore top of described upper clamp knife pedestal (19); Be positioned at the spring (14) between described ejector pin (20) and upper clamp knife pedestal (19) top cover; Be slidingly connected at described upper clamp knife pedestal (19) outside, promote the radially sliding sleeve (15) of claw (16) motion of described neck claw (17) and second, described sliding sleeve (15) is connected with the piston rod of the second folder cutter cylinder or hydraulic jack (13).
4. high-speed numeric control hard draw bed according to claim 3, it is characterized in that: described second radially claw (16) have pin key (29), described upper clamp knife pedestal (19) has for the mobile stopper slot of described pin key (29), first end of described pin key (29) inserts second radially in the claw (16), second end is positioned at described stopper slot, has to promote first back-moving spring (30) that described pin key (29) resets in described stopper slot.
5. high-speed numeric control hard draw bed according to claim 1, it is characterized in that: described lower clamp knife body (9) comprises the lower clamp knife pedestal (28) with axially extending bore; Being positioned at described lower clamp knife pedestal (28) goes up and the be complementary third through-hole group in sensing axle center of position, cutter bottom; Be slidingly connected at radially claw (27) of first in the described third through-hole group; Be positioned at the tilt fourth hole group of face of cylinder delivery position of the lower surface of pointing to cutter and cutter of described lower clamp knife pedestal (28); Be slidingly connected at the axial claw (22) in the described fourth hole group; Be slidingly connected at described lower clamp knife pedestal (28) outside, promote radially second sliding sleeve (21) of claw (27) motion of described axial claw (22) and first; Described sliding sleeve (21) is connected with the piston rod of the first folder cutter cylinder or hydraulic jack.
6. high-speed numeric control hard draw bed according to claim 5 is characterized in that: described lower clamp knife body (9) also has and acts on the spring (23) that sliding sleeve (21) resets.
7. high-speed numeric control hard draw bed according to claim 1 or 5, it is characterized in that: described lower clamp knife body (9) also has locking nut (25) with described base (8) link.
8. high-speed numeric control hard draw bed according to claim 5, it is characterized in that: described lower clamp knife body (9) first radially claw (27) have pin key (32), described lower clamp knife pedestal (28) has for the mobile stopper slot of described pin key (32), first end of described pin key (32) inserts first radially in the claw (27), second end is positioned at described stopper slot, has to promote second back-moving spring (33) that described pin key (32) resets in described stopper slot.
9. high-speed numeric control hard draw bed according to claim 5, it is characterized in that: described axial claw (22) has pin key (31), described lower clamp knife pedestal (28) has for the mobile stopper slot of described pin key (31), first end of described pin key (31) inserts radially in the claw (22), and second end is positioned at described stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211716 CN203221243U (en) | 2013-04-24 | 2013-04-24 | High-speed numerical control hard broaching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211716 CN203221243U (en) | 2013-04-24 | 2013-04-24 | High-speed numerical control hard broaching machine |
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| Publication Number | Publication Date |
|---|---|
| CN203221243U true CN203221243U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320211716 Expired - Fee Related CN203221243U (en) | 2013-04-24 | 2013-04-24 | High-speed numerical control hard broaching machine |
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| CN (1) | CN203221243U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170677A (en) * | 2013-04-24 | 2013-06-26 | 长沙插拉刨机电设备制造有限公司 | High-speed numerical control hard broaching machine |
| CN109352071A (en) * | 2018-11-19 | 2019-02-19 | 芜湖仅机械有限公司 | A kind of broaching tool positioning clamping device |
| CN110732903A (en) * | 2019-11-25 | 2020-01-31 | 浙江畅尔智能装备股份有限公司 | clamp for broaching steel plate pin |
-
2013
- 2013-04-24 CN CN 201320211716 patent/CN203221243U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170677A (en) * | 2013-04-24 | 2013-06-26 | 长沙插拉刨机电设备制造有限公司 | High-speed numerical control hard broaching machine |
| CN109352071A (en) * | 2018-11-19 | 2019-02-19 | 芜湖仅机械有限公司 | A kind of broaching tool positioning clamping device |
| CN110732903A (en) * | 2019-11-25 | 2020-01-31 | 浙江畅尔智能装备股份有限公司 | clamp for broaching steel plate pin |
| CN110732903B (en) * | 2019-11-25 | 2024-05-28 | 浙江畅尔智能装备股份有限公司 | Clamp for broaching steel plate pin |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20150424 |
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| EXPY | Termination of patent right or utility model |