CN212917196U

CN212917196U - Alloy circular saw blade multi-tooth stamping manual transposition clamping die

Info

Publication number: CN212917196U
Application number: CN202021274817.5U
Authority: CN
Inventors: 范连根; 施伟国; 施耀琦
Original assignee: Shanghai Valtze Goldtol Tools Co ltd
Current assignee: Shanghai Valtze Goldtol Tools Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-04-09
Anticipated expiration: 2030-07-02

Abstract

The alloy circular saw blade multi-tooth stamping manual transposition clamping die comprises a die frame (1), a female die (2), a ratchet wheel (4), a tooth shifting mechanism and a shifting rod (8); the die set (2) is installed at the upper end of the front side of the die set (1), the lower section of the die set (1) is connected with the support arm (10), the ratchet wheel (4) is connected with the front side of the support arm (10) in a penetrating mode through the pressure connection shaft (9), the edge of the ratchet wheel (4) is externally provided with the thrust stopping claw (6) and the shifting tooth mechanism, and the inner end of the shifting rod (8) is hinged to the pressure connection shaft (9). The ratchet mechanism which is rigidly connected with the die carrier and is optimized to enhance positioning accuracy is arranged, a rotating torque and thrust positioning action transmission path is preferably arranged, stable, balanced and complete stamping of a multi-tooth profile is realized, tooth profile standards are consistent, fine stamping can be realized, the phenomenon of tooth stamping and edge collapsing is avoided, the operation efficiency is improved in multiples, batch production is adapted, and the labor intensity is reduced.

Description

Alloy circular saw blade multi-tooth stamping manual transposition clamping die

Technical Field

The utility model relates to a mould innovation for punching press alloy saw bit base member establishes the institutional advancement technique, especially alloy circular saw piece multiple tooth punching press manual transposition clamping mould.

Background

The alloy saw blade is a disc cutter widely applied to industries of industrial production, home decoration and the like, and can cut materials such as wood, aluminum profiles, plastics, ferrous metals and the like.

The alloy saw blade is a cutting tool formed by stamping a steel sheet base into a base body with a certain number of teeth, welding a corresponding hard alloy tool bit through heat treatment and grinding, and then sharpening the hard alloy tool bit according to the standard.

The existing manual stamping mode with lower production cost is single-tooth stamping, but the production efficiency is very low, and the manual stamping mode cannot be delivered in time during mass production.

With the increase of social labor cost, the economic benefit of enterprises is determined to a great extent by the labor productivity, so that the production efficiency of the alloy saw blade is continuously improved by improving equipment and a die. Under the condition of manual operation, multi-tooth punching is carried out simultaneously, the phenomenon of edge collapse is easy to occur in the punching process, the tooth indexing of hard alloy is reduced, and the quality of products is generally reduced. Therefore, the improvement must be adapted to the existing manual auxiliary operation mode, and relevant applicable improvement technology is not disclosed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an alloy circular saw piece multiple tooth punching press manual transposition clamping mould improves manual operation speed, quality and efficiency to technical problem more than solving.

The purpose of the utility model is realized by the following technical measures: the device comprises a die frame, a female die, a ratchet wheel, a shifting gear mechanism and a shifting rod; the upper end of the front side of the die frame is provided with a female die, the lower section of the die frame is connected with a support arm, the front side of the support arm is connected with a ratchet wheel in a penetrating way through a compression joint shaft, the edge of the ratchet wheel is externally provided with a thrust pawl and a shifting tooth mechanism, and the inner end of a shifting rod is also hinged on the compression joint shaft.

Particularly, the compression joint shaft penetrates through the dividing device, the inner end of the deflector rod is connected with the fixed synchronous shaft of the dividing device, the dividing device is in sliding coaxial connection with the ratchet wheel, and the rear end of the compression joint shaft is fixedly connected with the support arm.

Particularly, the bottom edge of the female die is provided with 2-3 tooth groove structures.

In particular, the inner side of the ratchet wheel is coaxially sleeved with a pressure plate through a spring, and the thrust pawl and the gear shifting mechanism are hinged on the pressure plate.

In particular, a spring top post is arranged beside the thrust claw, the spring top post is sleeved with a spring, and the inner end of the spring top post is abutted with the edge of the middle part of the thrust claw.

Particularly, the gear shifting mechanism comprises a gear shifting pawl of which the outer end is hinged and fixed, and a hinge point of the gear shifting pawl is positioned on a central axis of the shifting rod.

In particular, the inner ends of the thrust pawl and the shifting tooth mechanism are staggered and lapped on the ratchets on the outer edge of the ratchet wheel.

Particularly, the lower section of the die carrier is connected with the support arm in a sliding way.

In particular, the thrust pawl is arranged on the support arm through a pin shaft, and the shifting tooth pawl is arranged on the shifting lever through another pin shaft.

The utility model discloses an advantage and effect: the ratchet mechanism which is rigidly connected with the die carrier and is optimized to enhance positioning accuracy is arranged, a rotating torque and thrust positioning action transmission path is preferably arranged, stable, balanced and complete stamping of a multi-tooth profile is realized, tooth profile standards are consistent, fine stamping can be realized, the phenomenon of tooth stamping and edge collapsing is avoided, the operation efficiency is improved in multiples, batch production is adapted, and the labor intensity is reduced.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

The reference numerals include:

the device comprises a die frame 1, a female die 2, a workpiece 3, a ratchet 4, a spring ejection column 5, a thrust pawl 6, a shifting tooth pawl 7, a shifting rod 8, a pressure connecting shaft 9 and a support arm 10.

Detailed Description

The utility model discloses the principle lies in, must at first guarantee the complete of prong during multi-tooth punching press, and the shape of tooth must be unanimous during multi-tooth punching press, just so can not influence product quality. In order to ensure the completeness of the tooth tip during multi-tooth punching, two edges forming the tooth tip are required to be punched twice during the design of a die, and after multi-tooth punching, the ratchet wheel 4 needs to be shifted by a tooth shifting mechanism and positioned by a thrust pawl to be matched with each other, so that the positions of the shifted teeth are ensured to be consistent.

Meanwhile, the saw blade workpiece 3 is required to be accurately positioned every time when rotating and shifting or in tooth punching operation, and large errors and unnecessary gaps are avoided by combining a fixed structure of the punching operation and kinetic energy application of the workpiece which receives a large strong action according to the requirement.

The utility model discloses a: the die carrier 1, die 2, ratchet 4, dialling tooth mechanism and driving lever 8.

The present invention will be further explained with reference to the drawings and examples.

Example 1: as shown in the attached figure 1, a female die 2 is arranged at the upper end of the front side of a die carrier 1, the lower section of the die carrier 1 is connected with a support arm 10, the front side of the support arm 10 is connected with a ratchet 4 in a penetrating way through a compression joint shaft 9, a thrust pawl 6 and a shifting tooth mechanism are arranged outside the edge of the ratchet 4, and the inner end of a shifting rod 8 is also hinged on the compression joint shaft 9.

In the above, the press-connection shaft 9 is connected with the indexing device in a penetrating way, the inner end of the deflector rod 8 is connected with the fixed synchronizing shaft of the indexing device, the indexing device is connected with the ratchet wheel 4 in a sliding and coaxial way, and the rear end of the press-connection shaft 9 is fixedly connected with the support arm 10.

In the foregoing, the bottom edge of the female die 2 has a 2-3 tooth groove structure.

In the above, the inner side of the ratchet wheel 4 is coaxially sleeved with a pressure plate through a spring, and the thrust pawl 6 and the gear-shifting mechanism are hinged on the pressure plate.

In the foregoing, a spring ejection column 5 is installed beside the thrust pawl 6, the spring ejection column 5 is sleeved with a spring, and the inner end of the spring ejection column abuts against the middle edge of the thrust pawl 6.

In the foregoing, the tooth shifting mechanism includes a tooth shifting pawl 7 whose outer end is hinged and fixed, and a hinge point of the tooth shifting pawl 7 is located on a central axis of the shifting lever 8.

In the above, the thrust pawl 6 and the inner end of the gear-shifting mechanism are overlapped on the ratchet at the outer edge of the ratchet 4 in a staggered way.

In the foregoing, the lower section of the mold frame 1 is slidably connected to the support arm 10.

In the above, the thrust pawl 6 is mounted on the support arm 10 through a pin shaft, and the gear-shifting pawl 7 is mounted on the shift lever 8 through another pin shaft.

In the embodiment of the utility model, the hole of work piece 3 passes through press-connection shaft 9 and ratchet 4 coaxial arrangement.

In the embodiment of the utility model, die carrier 1 installs on pneumatic punching machine.

In the embodiment of the utility model, firstly, the saw blade base body of the workpiece 3 is coaxially fixed on the dividing device arranged on the support arm 10 through the pressure connecting shaft 9, the distance between the saw blade base body of the workpiece 3 and the female die 2 is adjusted, then the ratchet 4 fixedly integrated with the gear shifting mechanism is fixedly sleeved on the upper section of the pressure connecting shaft 9, the pneumatic punching machine is started to punch teeth, in the operation, an operator rotates the workpiece 3 through the shifting rod 8, the spring jack 5, the thrust pawl 6 and the shifting tooth pawl 7 are jointly positioned, and the accurate alignment and fixation are matched with the dividing device; after the rough punching teeth are punched, the indexing device rotates for one tooth indexing, the rough punching teeth are smaller than the fine punching teeth, so that the rough punching teeth which are punched firstly are transferred to the fine punching teeth to be subjected to trimming and fine punching, the reciprocating rough punching and fine punching are carried out, the punching teeth processing is completed, and the fine punching and trimming ensure the integrity of tooth shapes and the tooth indexing.

Claims

1. The alloy circular saw blade multi-tooth stamping manual transposition clamping die comprises a die frame (1), a female die (2), a ratchet wheel (4), a tooth shifting mechanism and a shifting rod (8); the device is characterized in that a female die (2) is installed at the upper end of the front side of a die frame (1), the lower section of the die frame (1) is connected with a support arm (10), the front side of the support arm (10) is connected with a ratchet wheel (4) in a penetrating manner through a pressure connection shaft (9), a thrust pawl (6) and a shifting tooth mechanism are installed outside the edge of the ratchet wheel (4), and the inner end of a shifting rod (8) is hinged to the pressure connection shaft (9).

2. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein the press-connection shaft (9) penetrates through the dividing device, the inner end of the shifting rod (8) is connected with a fixed synchronous shaft of the dividing device, the dividing device is in sliding coaxial connection with the ratchet wheel (4), and the rear end of the press-connection shaft (9) is fixedly connected with the support arm (10).

3. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein the bottom edge of the female die (2) is provided with a 2-3 tooth groove structure.

4. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein the inner side of the ratchet wheel (4) is coaxially sleeved with a pressure plate through a spring, and the thrust pawl (6) and the tooth shifting mechanism are hinged on the pressure plate.

5. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein a spring top pillar (5) is installed beside the thrust pawl (6), the spring top pillar (5) is sleeved with a spring, and the inner end of the spring top pillar is abutted against the middle edge of the thrust pawl (6).

6. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein the tooth shifting mechanism comprises a tooth shifting pawl (7) with an outer end hinged and fixed, and a hinge point of the tooth shifting pawl (7) is located on a central axis of the shifting rod (8).

7. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein the inner ends of the pushing stop pawl (6) and the tooth shifting mechanism are in staggered lap joint with the ratchet teeth on the outer edge of the ratchet wheel (4).

8. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein the lower section of the die frame (1) is slidably connected with the support arm (10).

9. A multi-tooth punching manual transposition clamping die for an alloy circular saw blade as claimed in claim 1, wherein the thrust pawl (6) is mounted on the support arm (10) through a pin shaft, and the tooth shifting pawl (7) is mounted on the shifting rod (8) through another pin shaft.