CN204867036U - Capstan head formula die socket - Google Patents

Capstan head formula die socket Download PDF

Info

Publication number
CN204867036U
CN204867036U CN201520667761.2U CN201520667761U CN204867036U CN 204867036 U CN204867036 U CN 204867036U CN 201520667761 U CN201520667761 U CN 201520667761U CN 204867036 U CN204867036 U CN 204867036U
Authority
CN
China
Prior art keywords
capstan head
index pin
die
hole
horizontal ledge
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
Application number
CN201520667761.2U
Other languages
Chinese (zh)
Inventor
芮春平
程立雷
刘孟珍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maanshan Oumo Science And Technology Development Co Ltd
Original Assignee
Maanshan Oumo Science And Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maanshan Oumo Science And Technology Development Co Ltd filed Critical Maanshan Oumo Science And Technology Development Co Ltd
Priority to CN201520667761.2U priority Critical patent/CN204867036U/en
Application granted granted Critical
Publication of CN204867036U publication Critical patent/CN204867036U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The utility model discloses a capstan head formula die socket belongs to cut -out press technical field. The utility model discloses a capstan head formula die socket, including base, capstan head and dabber, wherein, the base top be equipped with horizontal boss, be equipped with the capstan head in horizontal boss top, the the central axis coincidence of capstan head and horizontal boss follow the same circumference of capstan head circumference in the capstan head and be equipped with a set of die, and die place circumference diameter is greater than horizontal boss diameter, there is a through -hole along its center pin to processing in the capstan head, the dabber pass this through -hole and downwardly extending to the horizontal boss inside, and dabber and base fixed connection. Through using the utility model discloses a capstan head formula die socket can realize the processing of punching a hole in succession to different parts, and is extravagant when having reduced continuous renewal part, has improved machining efficiency, and can effectively guarantee the stability of quality of converted products.

Description

A kind of rotary type tower die socket
Technical field
The utility model belongs to punching die technical field, more particularly, relates to a kind of rotary type tower die socket.
Background technology
Along with the progress of society and the development of mechanical industry, machining finished product enters into daily life more and more, and mould is as one of high efficiency production and machining tool, is to use very extensive and important production equipment in industrial production.Compared with processing with Traditional Man, it is high that Mould Machining has production efficiency, can realize producing in enormous quantities at a high speed, converted products steady quality, there is good interchangeability, and simple to operate, to advantages such as operating personnel's technical requirement are low, therefore, mould has become product and the requisite a kind of equipment of part processing.And the height of Mould design and manufacturing technical merit, be one of important symbol of a measurement national product manufacture level height, decide the development ability of the quality of product, benefit and new product to a great extent.
At present, in field of machining, be usually directed to the processing in various hole, due to punching die, to have cost low, and converted products steady quality, can be used for the part processing multiple performance, state, is therefore subject in recent years applying more and more widely.Existing punching die mainly comprises module and lower module, wherein go up module and comprise upper bolster and punching pin, lower module comprises die shoe and die, die is fixed on the top of die shoe, the punching press of upper bolster descending drive punching pin is placed on the workpiece of die upper surface when operating, thus completes punching processing.But usually only have a processing stations in existing punching die shoe, when carrying out punching processing to different part, constantly need dismantle die, thus cause the waste of production time, working (machining) efficiency is reduced greatly, makes economic benefit be affected to a certain extent, and when number of operations increases, often increase danger coefficient, and then also have larger impact to the safety of operator.
Through retrieval, the patent report about the diel improving working (machining) efficiency is existing relevant open.
As, Chinese Patent Application No. 201310627944.7, the applying date is on December 02nd, 2013, invention and created name is: a kind of diel with multiple stamping cavity die, this application case discloses a kind of diel with multiple stamping cavity die, comprise upper bolster and the die shoe of corresponding setting, wherein, upper bolster lower surface is provided with punch fixed block, punch fixed block lower surface is fixed with 4 punching press punch, 4 stamping cavity dies corresponding with punching press punch are provided with above die shoe, stamping cavity die is arranged on die block upper surface, die block is fixed on die shoe upper surface, die shoe lower surface center is provided with Lifting Device.This application case passes through multiple punching press punch and the stamping cavity die of corresponding setting, can realize simultaneously to the punch process of multiple part, can enhance productivity to a certain extent, but it is equivalent to use multiple mould to process simultaneously, device structure is relatively complicated, and multiple part is added simultaneously and can only be used for the processing of identical part man-hour, and the precision controlling that work in-process is processed each part is poor.
Utility model content
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome in existing punching concave die seat and is usually only provided with a processing stations, constantly die must be dismantled when carrying out punching processing to different part, thus cause wasting the plenty of time, troublesome poeration, and the deficiency that working (machining) efficiency is lower, provide a kind of rotary type tower die socket.By using a kind of rotary type tower die socket of the present utility model, be convenient to carry out continuous punching hole machined to different part, save the plenty of time, working (machining) efficiency is higher, also reduces processing cost to a certain extent, is convenient to operative.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of rotary type tower die socket of the present utility model, comprise base, capstan head and mandrel, wherein, described base top is provided with horizontal ledge, capstan head is provided with above horizontal ledge, the central axes of capstan head and horizontal ledge, be provided with one group of die, and die place circle diameter is greater than horizontal ledge diameter in described capstan head along the same circumference of capstan head circumference; Along its central shaft to being processed with a through hole in described capstan head, described mandrel passes this through hole and extends downward horizontal ledge inside, and mandrel and base are fixedly linked.
Further, described horizontal ledge is processed with index pin mounting groove, is provided with index pin in index pin mounting groove, the diameter of index pin mounting groove and index pin matches; The top left side of above-mentioned index pin is provided with an acclivitous inclined-plane, and the top right side of index pin is provided with a L shape step surface, and inclined-plane is connected by middle horizontal support face with L shape step surface; The bottom of above-mentioned index pin is along the central shaft of index pin to being also processed with spring groove, a uprighting spring is provided with in spring groove, and the bottom surface of spring bottom and index pin mounting groove is fixedly linked, when spring is in free state, the top of index pin protrudes upward above horizontal ledge; Bottom described capstan head, be provided with one group of locating slot along the same circumference of capstan head circumference, locating slot is equal apart from the distance of horizontal ledge central axis with index pin apart from the distance of capstan head central axis; The number of above-mentioned locating slot is identical with die number, and distance between adjacent positioned groove and the distance between adjacent die all equal.
Further, be provided with the second screwed hole at described index pin mounting groove in the horizontal direction away from the side at horizontal ledge center, in the second screwed hole, be provided with fastening bolt, and the index pin side relative with the second screwed hole is processed with a L shape step.
Further, between described inclined-plane and horizontal support face, arc-shaped transitional surface is provided with.
Further, described base is also fixed with cushion block, this cushion block is positioned at the side of horizontal ledge, and be provided with a relief hole vertically at cushion block center, this relief hole is in immediately below part Working position.
Further, along its central shaft to being processed with a blind hole in described horizontal ledge, this blind hole is connected with described through hole, and diameter and the mandrel of blind hole match, and the clamping screw that above-mentioned mandrel is axially arranged along mandrel by its inside is fixed with base and is connected.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following remarkable result:
(1) a kind of rotary type tower die socket of the present utility model, horizontal ledge is provided with in base top, capstan head is provided with above horizontal ledge, one group of die is provided with along the same circumference of capstan head circumference in described capstan head, and along its central shaft to being processed with a through hole in capstan head, mandrel passes this through hole and extends downward horizontal ledge inside, and mandrel is fixedly connected with base, thus can realize carrying out continuous punching hole machined to the part on different die by rotating capstan head, overcome in prior art the deficiency needing continuous renewal part, greatly save the time, improve working (machining) efficiency, reduce the labour intensity of workman.
(2) a kind of rotary type tower die socket of the present utility model, index pin is provided with in index pin mounting groove in horizontal ledge, the bottom of index pin is processed with spring groove, is provided with a uprighting spring in spring groove, and the bottom surface of spring bottom and index pin mounting groove is fixedly linked; One group of locating slot is provided with along the same circumference of capstan head circumference bottom capstan head, locating slot is equal apart from the distance of horizontal ledge central axis with index pin apart from the distance of capstan head central axis, thus the accurate location that can realize when Continuous maching carries out to part on different die by index pin and the cooperation of locating slot, ensure the quality stability of processing, and be convenient to freely changing processing parts.
(3) a kind of rotary type tower die socket of the present utility model, the second screwed hole is provided with in the horizontal direction away from the side at horizontal ledge center at index pin mounting groove, fastening bolt is provided with in second screwed hole, and the index pin side relative with the second screwed hole is processed with a L shape step, the vertical plane close contact of itself and index pin side L shape step is made by tightening fastening bolt, index pin is enable to be fixed in index pin mounting groove securely, thus can prevent from running chaotically due to spring in punching course index pin being moved and then causing processing parts to shake, the crudy of part is effectively guaranteed.
(4) a kind of rotary type tower die socket of the present utility model, arc-shaped transitional surface is provided with between the inclined-plane and horizontal support face at index pin top, after in the die being in processing stations, part machines, be easy to index pin is departed from from locating slot when rotating capstan head, thus be convenient to the replacing of next processing parts.
(5) a kind of rotary type tower die socket of the present utility model, base is also fixed with cushion block, this cushion block is positioned at the side of horizontal ledge, a relief hole is vertically provided with at cushion block center, this relief hole is in immediately below part Working position, arranging of above-mentioned cushion block can prevent from easily toppling when carrying out punching processing to slab phenomenon on the one hand, and the waste material that punching processing can be made to produce by the relief hole on cushion block is on the other hand got rid of in time.
Accompanying drawing explanation
Figure 1 shows that the general assembly structural representation of a kind of rotary type tower die socket of the present utility model;
Figure 2 shows that the top view schematic diagram of a kind of rotary type tower die socket of the present utility model;
Figure 3 shows that the structural representation of base in a kind of rotary type tower die socket of the present utility model;
Figure 4 shows that the top view schematic diagram of base in a kind of rotary type tower die socket of the present utility model;
Figure 5 shows that in a kind of rotary type tower die socket of the present utility model, base is along the sectional view in A-A direction in Fig. 4;
Figure 6 shows that the structural representation of capstan head in a kind of rotary type tower die socket of the present utility model;
Figure 7 shows that in a kind of rotary type tower die socket of the present utility model, capstan head is along the sectional view in A-A direction in Fig. 6;
Figure 8 shows that the front view schematic diagram of index pin in a kind of rotary type tower die socket of the present utility model;
Figure 9 shows that the left view schematic diagram of index pin in a kind of rotary type tower die socket of the present utility model;
Figure 10 shows that the top view schematic diagram of index pin in a kind of rotary type tower die socket of the present utility model.
Label declaration in schematic diagram:
1, base; 101, horizontal ledge; 102, blind hole; 103, the first screwed hole; 104, index pin mounting groove; 105, the second screwed hole; 2, index pin; 201, inclined-plane; 202, arc-shaped transitional surface; 203, horizontal support face; 204, L shape step surface; 205, L shape step; 206, spring groove; 3, spring; 4, fastening bolt; 5, cushion block; 501, relief hole; 6, capstan head; 601, locating slot; 602, through hole; 603, die; 7, clamping screw; 8, mandrel.
Detailed description of the invention
For understanding content of the present utility model further, now in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
As shown in Fig. 1-Fig. 7, a kind of rotary type tower die socket of the present embodiment, comprise base 1, capstan head 6 and mandrel 8, wherein, be provided with horizontal ledge 101 at base 1 top, above horizontal ledge 101, be provided with capstan head 6, the central axes of capstan head 6 and horizontal ledge 101, in above-mentioned capstan head 6, be provided with one group of die 603 along the circumferential same circumference of capstan head 6, and die 603 place circle diameter is greater than horizontal ledge 101 diameter.Along its central shaft to being processed with a through hole 602 in capstan head 6, along its central shaft to being processed with a blind hole 102 in horizontal ledge 101, this blind hole 102 is connected with through hole 602, and the size of blind hole 102 and through hole 602 and mandrel 8 match, mandrel 8 in the present embodiment is multidiameter, and its upper end diameter is greater than its lower end diameter, namely through hole 602 correspondence is processed as shoulder hole, and above-mentioned mandrel 8 passes through hole 602 and extends downward bottom horizontal ledge 101 blind internal bore 102.The first screwed hole 103 is provided with in the below of blind hole 102 in the present embodiment, axially clamping screw 7 is provided with along mandrel 8 in mandrel 8 inside, the bottom of this clamping screw 7 is screwed to and extend into the first screwed hole 103, thus makes to be fixed between mandrel 8 with base 1 to be connected, as shown in Figure 3-Figure 5.By one group of die 603 is arranged on capstan head in the present embodiment, and realize the rotation of capstan head 6 relative to base 1 by mandrel 8, thus continuous punching hole operation can be carried out to the part on different die 603, avoid in process by the time waste constantly dismantled die and cause, substantially increase working (machining) efficiency, reduce the labour intensity of workman, the generation of peril can be prevented to a certain extent.
As shown in Figure 3, Figure 4, in the present embodiment, in horizontal ledge 101, be processed with index pin mounting groove 104, in index pin mounting groove 104, be provided with index pin 2, and index pin mounting groove 104 matches with the diameter of index pin 2.As Figure 8-Figure 10, an acclivitous inclined-plane 201 is provided with in the top left side of index pin 2, the top right side of index pin 2 is provided with a L shape step surface 204, and inclined-plane 201 is connected by middle horizontal support face 203 with L shape step surface 204, is provided with arc-shaped transitional surface 202 between above-mentioned inclined-plane 201 and horizontal support face 203.In the bottom of index pin 2 along the central shaft of index pin 2 to being also processed with spring groove 206, a uprighting spring 3 is provided with in spring groove 206, and be fixedly linked with the bottom surface of index pin mounting groove 104 bottom spring 3, when spring 3 is in free state, the top of index pin 2 protrudes upward above horizontal ledge 101.Bottom capstan head 6, be provided with one group of locating slot 601 along the circumferential same circumference of capstan head 6, locating slot 601 is equal apart from the distance of horizontal ledge 101 central axis with index pin 2 apart from the distance of capstan head 6 central axis; The number of above-mentioned locating slot 601 is identical with die 603 number, and distance between adjacent positioned groove 601 and the distance between adjacent die 603 all equal, as shown in Fig. 2, Fig. 6.To be provided with in the horizontal direction in the second screwed hole 105, second screwed hole 105 away from the side at horizontal ledge 101 center at index pin mounting groove 104 and to be provided with fastening bolt 4, and index pin 2 side relative with the second screwed hole 105 is processed with a L shape step 205.In the present embodiment, when carrying out punch operation to part, the replacing to different die 603 processing parts can be realized by index pin 2 and effective cooperation of locating slot 601, and carry out axial restraint by 203 pairs, the horizontal support face capstan head 6 at index pin 2 top, carry out circumference by the vertical plane of index pin 2 top L shape step surface 204 and the snap action of locating slot 601 upright side walls to capstan head 6 to locate, capstan head 6 can only be turned in the same direction, and capstan head deflects when can effectively prevent from carrying out punching processing to part, ensure that stability and the reliability of punching processing, in the present embodiment, the rotation direction of capstan head 6 is for rotating counterclockwise.In addition, in punch operation, index pin 2 can be made to be fixed in index pin mounting groove 104 securely by tightening fastening bolt 4, having ensured the quality of punching processing further.When being in after the part above Working position place die 603 machines, pine tightens fixing bolt 4, rotate counterclockwise capstan head 6, top left side due to index pin 2 is an acclivitous inclined-plane 201, capstan head 6 has downward pressure to this inclined-plane 201 in rotation process, spring 3 compresses downwards under pressure, thus index pin 2 is departed from from locating slot 601, and being arranged so that index pin 2 is easier and spinning off from locating slot 601 of arc-shaped transitional surface 202 between inclined-plane 201 and horizontal support face 203, be convenient to change to next die 603 pairs of parts and process.Be rotated further capstan head, because the number of locating slot 601 is identical with die 603 number, and distance between adjacent positioned groove 601 and the distance between adjacent die 603 all equal, therefore index pin 2 often enters a locating slot 601, then realize the processing to part above corresponding die 603, make this corresponding die 603 turn to Working position, namely corresponding with patrix drift position, thus the continuous punching hole machined to multiple part can be realized.
In the present embodiment, base 1 is also provided with cushion block 5, this cushion block 5 is positioned at the side of horizontal ledge 101, a relief hole 501 is vertically provided with at cushion block 5 center, this relief hole 501 is in immediately below part Working position, in the present embodiment, cushion block 5 is secured by bolts on base 1, arranging of cushion block 5 can prevent from easily toppling when carrying out punching processing to slab phenomenon on the one hand, and the waste material that punching processing can also be made to produce by the relief hole 501 on cushion block 5 is on the other hand got rid of in time.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.

Claims (6)

1. a rotary type tower die socket, comprise base (1), it is characterized in that: also comprise capstan head (6) and mandrel (8), wherein, described base (1) top is provided with horizontal ledge (101), capstan head (6) is provided with in horizontal ledge (101) top, the central axes of capstan head (6) and horizontal ledge (101), in described capstan head (6), be provided with one group of die (603) along the circumferential same circumference of capstan head (6), and die (603) place circle diameter is greater than horizontal ledge (101) diameter; Along its central shaft to being processed with a through hole (602) in described capstan head (6), described mandrel (8) is through this through hole (602) and to extend downward horizontal ledge (101) inner, and mandrel (8) and base (1) are fixedly linked.
2. a kind of rotary type tower die socket according to claim 1, it is characterized in that: in described horizontal ledge (101), be processed with index pin mounting groove (104), be provided with index pin (2) in index pin mounting groove (104), index pin mounting groove (104) matches with the diameter of index pin (2); The top left side of above-mentioned index pin (2) is provided with an acclivitous inclined-plane (201), the top right side of index pin (2) is provided with a L shape step surface (204), and inclined-plane (201) are connected by middle horizontal support face (203) with L shape step surface (204); In the bottom of above-mentioned index pin (2) along the central shaft of index pin (2) to being also processed with spring groove (206), a uprighting spring (3) is provided with in spring groove (206), and spring (3) bottom is fixedly linked with the bottom surface of index pin mounting groove (104), when spring (3) is in free state, the top of index pin (2) protrudes upward to horizontal ledge (101) top; Be provided with one group of locating slot (601) in described capstan head (6) bottom along the circumferential same circumference of capstan head (6), locating slot (601) is equal apart from the distance of horizontal ledge (101) central axis with index pin (2) apart from the distance of capstan head (6) central axis; The number of above-mentioned locating slot (601) is identical with die (603) number, and distance between adjacent positioned groove (601) and the distance between adjacent die (603) all equal.
3. a kind of rotary type tower die socket according to claim 2, it is characterized in that: be provided with the second screwed hole (105) described index pin mounting groove (104) in the horizontal direction away from the side at horizontal ledge (101) center, be provided with fastening bolt (4) in second screwed hole (105), and index pin (2) side relative with the second screwed hole (105) is processed with a L shape step (205).
4. a kind of rotary type tower die socket according to claim 3, is characterized in that: between the inclined-plane (201) and horizontal support face (203) at described index pin (2) top, be provided with arc-shaped transitional surface (202).
5. a kind of rotary type tower die socket according to any one of claim 1-4, it is characterized in that: described base (1) is also fixed with cushion block (5), this cushion block (5) is positioned at the side of horizontal ledge (101), be provided with a relief hole (501) vertically at cushion block (5) center, this relief hole (501) is in immediately below part Working position.
6. a kind of rotary type tower die socket according to claim 5, it is characterized in that: along its central shaft to being processed with a blind hole (102) in described horizontal ledge (101), this blind hole (102) is connected with described through hole (602), diameter and the mandrel (8) of blind hole (102) match, and the clamping screw (7) that above-mentioned mandrel (8) is axially arranged along mandrel (8) by its inside is fixed with base (1) and is connected.
CN201520667761.2U 2015-08-31 2015-08-31 Capstan head formula die socket Active CN204867036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520667761.2U CN204867036U (en) 2015-08-31 2015-08-31 Capstan head formula die socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520667761.2U CN204867036U (en) 2015-08-31 2015-08-31 Capstan head formula die socket

Publications (1)

Publication Number Publication Date
CN204867036U true CN204867036U (en) 2015-12-16

Family

ID=54811464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520667761.2U Active CN204867036U (en) 2015-08-31 2015-08-31 Capstan head formula die socket

Country Status (1)

Country Link
CN (1) CN204867036U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170779A (en) * 2015-08-31 2015-12-23 马鞍山市欧姆科技发展有限公司 Turret-type female die holder
CN107052132A (en) * 2016-12-02 2017-08-18 浙江盛达铁塔有限公司 The cavity plate base and stamping machine of stamping machine
CN108097837A (en) * 2017-12-15 2018-06-01 亚萨合莱保德安(台州)安防科技有限公司 Lock core courage key hole forming method and particular manufacturing craft

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170779A (en) * 2015-08-31 2015-12-23 马鞍山市欧姆科技发展有限公司 Turret-type female die holder
CN107052132A (en) * 2016-12-02 2017-08-18 浙江盛达铁塔有限公司 The cavity plate base and stamping machine of stamping machine
CN107052132B (en) * 2016-12-02 2019-09-13 浙江盛达铁塔有限公司 The cavity plate pedestal and press machine of press machine
CN108097837A (en) * 2017-12-15 2018-06-01 亚萨合莱保德安(台州)安防科技有限公司 Lock core courage key hole forming method and particular manufacturing craft
CN108097837B (en) * 2017-12-15 2019-12-03 亚萨合莱保德安(台州)安防科技有限公司 Lock core gallbladder key hole forming method and particular manufacturing craft

Similar Documents

Publication Publication Date Title
CN102554007B (en) The progressive compound molding device of a kind of sheet metal deep drawing
CN204867036U (en) Capstan head formula die socket
CN111633124A (en) Stamping die convenient to change
CN205236738U (en) Punching machine
CN203418323U (en) Machining clamp for linear cutting machine
CN202803943U (en) Progressive die for manufacturing expansion bolt casing pipes
CN101972829A (en) Semi-closed forging device for universal joint and forging method thereof
CN206195516U (en) Fixing apparatus is reasonably structured, and is fast to fix and to convenient to use
CN206286407U (en) A kind of punching die for processing washing machine transmission cover
CN203410044U (en) Press machine of long workbench
CN105170779A (en) Turret-type female die holder
CN202779383U (en) Symmetric hole piercing die for rotary workpieces
CN113399986B (en) Assembly board of rack and pinion steering gear casing bush
CN202861199U (en) Face plate stamping die
CN204868116U (en) A stand structure for assembly of lathe headstock
CN208288765U (en) Waist-shaped hole stamping device
CN203265352U (en) Cantilever punching mechanism
CN206241034U (en) Instrument rake Tooth punching mold
CN203610478U (en) Trimming die for drum-type automotive brake shoe
CN204602976U (en) A kind of automation metal stamping die
CN204602974U (en) A kind of Automated mould
CN203495020U (en) Cutting and forming mold for silicon steel sheet
CN103831353A (en) Wide-flange tube workpiece spin forming mold set
CN216632246U (en) Porous one shot forming equipment of oil tank end cover
CN210966616U (en) Bottom die quick replacement equipment for hardware production

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant