CN111167934A - Automatic punching equipment for exhaust holes of brake drum - Google Patents
Automatic punching equipment for exhaust holes of brake drum Download PDFInfo
- Publication number
- CN111167934A CN111167934A CN202010025098.1A CN202010025098A CN111167934A CN 111167934 A CN111167934 A CN 111167934A CN 202010025098 A CN202010025098 A CN 202010025098A CN 111167934 A CN111167934 A CN 111167934A
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- connecting rod
- barrel
- sleeve
- brake drum
- driving mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to the technical field of automatic processing of brake drums, in particular to automatic punching equipment for exhaust holes of a brake drum, which comprises an automatic punching machine, a barrel-shaped transmission mechanism, a connecting rod assembly, a punching driving mechanism and a pressing driving mechanism, wherein the barrel-shaped transmission mechanism is positioned at the top of the pressing driving mechanism, the barrel-shaped transmission mechanism is rotatably connected with the pressing driving mechanism, the working end of the barrel-shaped transmission mechanism is connected with the working end of the pressing driving mechanism, the connecting rod assembly is arranged around the working end of the barrel-shaped transmission mechanism, the punching driving mechanism is arranged at one side of the same-line transmission mechanism, the working end of the punching driving mechanism is in transmission connection with the barrel-shaped transmission mechanism, the automatic punching machine is arranged at one side of the barrel-shaped transmission mechanism, the brake drum can be firmly fixed by the technical scheme, the automatic punching machine can punch holes with high precision, and the exhaust hole, and the danger caused by manual operation is avoided.
Description
Technical Field
The invention relates to the technical field of automatic processing of brake drums, in particular to automatic punching equipment for exhaust holes of a brake drum.
Background
The brake drum is a friction coupling part of a drum brake, and has strength and rigidity required as a component, as well as a friction coefficient which is as high and stable as possible, appropriate wear resistance, heat dissipation, heat capacity and the like;
the brake is a component used in a braking system to generate braking force for resisting the movement or movement tendency of a vehicle, and the automobile brake is a friction brake which almost generates braking torque by utilizing the friction between a fixed element and a working surface of a rotating element except for various retarding devices;
the brake drum has one step in the processing and carries out the step of punching in exhaust hole on its surface, need fix the brake drum through the manual work under traditional mode, and when the process that the hole was punched in the exhaust hole, need go through the manual work continuously and rotate the brake drum, but there can be very big potential safety hazard at this in-process, and the precision to punching in the exhaust hole is not high, and because the inefficiency can't carry out big batch processing, so we have proposed a brake drum exhaust hole automatic punching equipment, these problems of solution that can be fine.
Disclosure of Invention
The technical problem to be solved by the invention is to provide automatic punching equipment for the exhaust holes of the brake drum, and the technical scheme can firmly fix the brake drum, so that the automatic punching machine can punch the exhaust holes with high precision, the brake drum can rotate by a certain angle and stop every time, the distances among the exhaust holes on the brake drum are consistent, and the danger caused by manual operation is avoided.
In order to solve the technical problems, the invention provides the following technical scheme:
the automatic punching equipment for the exhaust hole of the brake drum comprises an automatic punching machine, a barrel-shaped transmission mechanism, a connecting rod assembly, a punching driving mechanism and a pressing driving mechanism;
the barrel-shaped transmission mechanism is located at the top of the pressing driving mechanism, the barrel-shaped transmission mechanism is rotatably connected with the pressing driving mechanism, the working end of the barrel-shaped transmission mechanism is connected with the working end of the pressing driving mechanism, the connecting rod assembly is arranged around the working end of the barrel-shaped transmission mechanism, the punching driving mechanism is installed on one side of the same-line transmission mechanism, the working end of the punching driving mechanism is in transmission connection with the barrel-shaped transmission mechanism, the automatic punching machine is installed on one side of the barrel-shaped transmission mechanism, and the working end of the automatic punching machine faces the top of the barrel-shaped transmission mechanism.
The preferred barrel-shaped transmission mechanism is including sleeve and drive assembly, and the sleeve is barrel-shaped structure, and one side opening, one side closure, closed department are equipped with the round hole to the material of closed department is the friction disc, and drive assembly runs through the sleeve round hole, and drive assembly and sleeve sliding fit, drive assembly's stress end and the work end that compresses tightly actuating mechanism are connected, and link assembly is located the sleeve, and link assembly encircles and installs on link assembly.
The preferred transmission assembly comprises a transmission rod, a fixed plate, a pulling plate and a bearing, wherein the transmission rod penetrates through a round hole in the sleeve, the bearing is located at the bottom end of the sleeve, the bearing is connected with the working end of the transmission rod and the pressing driving mechanism respectively, the fixed plate is fixedly installed inside the sleeve, the fixed plate and the round hole in the sleeve are arranged in a coaxial mode, the pulling plate is located at the top of the sleeve, the pulling plate is fixedly installed at the top end of the transmission rod, and two ends of the connecting rod assembly are connected with the fixed plate.
The preferable connecting rod component comprises a first connecting rod, a second connecting rod, a first rotating seat, a second rotating seat, a rotating shaft and a friction block, the first connecting rod is rotatably connected with the first rotating seat through the rotating shaft, the first rotating seat is fixedly connected with the fixing plate, the second connecting rod is rotatably connected with the second rotating seat through the rotating shaft, the second rotating seat is fixedly connected with the pulling plate, the first connecting rod is rotatably connected with the second connecting rod through the rotating shaft, the friction block is installed on the first connecting rod, and the friction block is close to the joint of the first connecting rod and the second connecting rod.
The preferable punching driving mechanism comprises a gear ring, a chain, a gear, a right-angle reducer and a servo motor, wherein the gear ring is installed at the outer edge of the sleeve, the gear is connected with the gear ring through the chain, the gear is installed at the working end of the right-angle reducer, and the right-angle reducer is installed at the output end of the servo motor.
The optimized pressing driving mechanism comprises a rotary support, a pushing cylinder and a support frame, the rotary cylinder is installed at the bottom of the sleeve, the support frame is installed at the bottom of the rotary cylinder, the pushing cylinder is installed in the support frame, and the output end of the pushing cylinder is connected with the transmission rod through a bearing.
Compared with the prior art, the invention has the beneficial effects that: the brake drum after the exhaust hole is processed is shown in figure 6, the brake drum comprises a lower base plate and an annular plate, the lower base plate is positioned on one side of the annular plate and fixedly connected with the annular plate, a through hole is formed in the center of the lower base plate, a screw hole surrounding the outer edge of the through hole is formed in the center of the lower base plate, the exhaust hole is positioned at one end of the annular plate and is arranged around the annular plate, the exhaust hole is far away from the lower base plate, the brake drum manually penetrates through the through hole in the lower base plate to penetrate through the working end of the barrel-shaped transmission mechanism and then moves towards the interior of the barrel-shaped transmission mechanism, finally the brake drum is sleeved at the working end of the connecting rod assembly, the brake drum is also positioned in the interior of the barrel-shaped transmission mechanism, then the pressing driving mechanism is opened, the working end of the pressing driving mechanism pulls the working end of the barrel-shaped transmission mechanism, the working, the three connecting rod assemblies are extruded to be bent in a straight state, the connecting rod assemblies close to the lower bottom plate of the brake drum tightly press the lower bottom plate inside the barrel-shaped transmission mechanism after bending, the scissor type lifting platform starts to work, the scissor type lifting platform synchronously jacks up the barrel-shaped transmission mechanism, the pressing driving mechanism, the connecting rod assemblies and the punching driving mechanism, finally, the annular plate of the brake drum is sleeved on a punching die arranged on an automatic punching machine, holes are arranged on the punching die and are right opposite to the working end of the automatic punching machine, the automatic punching machine starts to work, the working end of the automatic punching machine punches holes at the outer edge of the top of the annular plate of the brake drum, the automatic punching machine can only punch one hole each time, and only one hole can be punched after the brake drum rotates to the next angle, so the punching driving mechanism starts to work at the moment, and the working end of the punching driving mechanism drives the barrel-shaped transmission mechanism to intermittently rotate, the barrel-shaped rotating mechanism drives the brake drum to rotate, and the automatic punching machine punches holes on the annular plate of the brake drum once the brake drum rotates.
1. Through the arrangement of the barrel-shaped transmission mechanism, the connecting rod assembly and the pressing driving mechanism, the brake drum can be firmly fixed, so that the automatic punching machine can punch the exhaust holes with high precision;
2. through the arrangement of the punching driving mechanism, the brake drum can rotate by a certain angle and stop every time, so that the distance between the exhaust holes on the brake drum is consistent, and the danger caused by manual operation is avoided.
Drawings
FIG. 1 is a schematic perspective view of an automatic punching device for an exhaust hole of a brake drum according to the present invention;
FIG. 2 is a schematic perspective view of a second automatic punching device for an exhaust hole of a brake drum according to the present invention;
FIG. 3 is a schematic perspective structural view of a transmission assembly and a connecting rod assembly of the automatic punching device for the exhaust hole of the brake drum, according to the invention;
FIG. 4 is a schematic diagram of the internal structure of a connecting rod assembly and a barrel-shaped transmission mechanism of the automatic punching equipment for the exhaust hole of the brake drum of the invention;
FIG. 5 is a schematic perspective view of a brake drum of the automatic punching equipment for the exhaust hole of the brake drum, which is disclosed by the invention;
fig. 6 is a schematic perspective view of a brake drum of the automatic punching equipment for the exhaust hole of the brake drum of the invention.
The reference numbers in the figures are:
1. an automatic punching machine; 1a, punching a die;
2. a barrel-shaped transmission mechanism; 2a, a sleeve; 2b, a transmission component; 2b1, transmission rod; 2b2, fixing plate; 2b3, a pulling plate; 2b4, bearings;
3. a connecting rod assembly; 3a, a first connecting rod; 3b, a second connecting rod; 3c, a first rotating seat; 3d, a second rotating seat; 3e, a rotating shaft; 3f, a friction block;
4. a punching drive mechanism; 4a, a gear ring; 4b, a chain; 4c, a gear; 4d, a right-angle speed reducer; 4e, a servo motor;
5. a pressing drive mechanism; 5a, rotating and supporting; 5b, pushing the air cylinder; 5c, a support frame;
6. a brake drum; 6a, a lower bottom plate; 6b, an annular plate; 6c, an exhaust hole;
7. scissors formula lift platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to the automatic punching equipment for the exhaust hole of the brake drum shown in fig. 1 to 6, the automatic punching equipment comprises an automatic punching machine 1, a barrel-shaped transmission mechanism 2, a connecting rod assembly 3, a punching driving mechanism 4 and a pressing driving mechanism 5;
the automatic punching machine comprises a barrel-shaped transmission mechanism 2, a pressing driving mechanism 5, a connecting rod assembly 3, a punching driving mechanism 4, a barrel-shaped transmission mechanism 2, a connecting rod assembly 2, an automatic punching machine 1, a punching driving mechanism 2, a punching driving mechanism 4, a punching driving mechanism 2, a punching driving mechanism;
as shown in fig. 5 and 6, the brake drum 6 after the exhaust hole 6c is processed includes a lower bottom plate 6a and an annular plate 6b, the lower bottom plate 6a is located on one side of the annular plate 6b, the lower bottom plate 6a is fixedly connected with the annular plate 6b, a through hole is formed in the center of the lower bottom plate 6a, and a screw hole is formed around the outer edge of the through hole, the exhaust hole 6c is located at one end of the annular plate 6b, the exhaust hole 6c is located around the annular plate 6b, and the exhaust hole 6c is far away from the lower bottom plate 6a, then the brake drum 6 is manually inserted through the through hole on the lower bottom plate 6a through the working end of the barrel-shaped transmission mechanism 2, and then the brake drum moves towards the inside of the barrel-shaped transmission mechanism 2, so that the brake drum 6 is finally sleeved on the working end of the connecting rod assembly 3, and the brake drum 6 is also located inside the, the working end of the pressing driving mechanism 5 pulls the working end of the barrel-shaped transmission mechanism 2, the working end of the barrel-shaped transmission mechanism 2 is stressed, the working end of the barrel-shaped transmission mechanism 2 is pulled down by the three connecting rod assemblies 3, the three connecting rod assemblies 3 are extruded from a straightened state and bent, the connecting rod assemblies 3 close to the lower bottom plate 6a of the brake drum 6 press the lower bottom plate 6a tightly in the barrel-shaped transmission mechanism 2 after bending, the scissor type lifting platform 7 starts to work, the scissor type lifting platform 7 synchronously jacks up the barrel-shaped transmission mechanism 2, the pressing driving mechanism 5, the connecting rod assemblies 3 and the punching driving mechanism 4, finally the annular plate 6b of the brake drum 6 is sleeved on the punching die 1a arranged on the automatic punching machine 1, the punching die 1a is provided with a hole facing the working end of the automatic punching machine 1, the automatic punching machine 1 starts to work, the working end of the automatic punching machine 1 punches at the outer edge of the top of the annular plate 6b of the brake drum 6, the automatic punching machine can only punch one hole at a time, and only one hole can be punched after the brake drum 6 rotates to the next angle, so the punching driving mechanism 4 starts to work at the moment, the working end of the punching driving mechanism 4 drives the barrel-shaped transmission mechanism 2 to intermittently rotate, the barrel-shaped transmission mechanism drives the brake drum 6 to rotate, and the automatic punching machine 1 punches a hole on the annular plate 6b of the brake drum 6 once when the brake drum 6 rotates once.
The barrel-shaped transmission mechanism 2 comprises a sleeve 2a and a transmission assembly 2b, the sleeve 2a is of a barrel-shaped structure, one side of the sleeve is open, the other side of the sleeve is closed, a circular hole is formed in the closed position, the material of the closed position is a friction plate, the transmission assembly 2b penetrates through the circular hole of the sleeve 2a, the transmission assembly 2b is in sliding fit with the sleeve 2a, the stress end of the transmission assembly 2b is connected with the working end of the pressing driving mechanism 5, the connecting rod assembly 3 is located in the sleeve 2a, and the connecting rod assembly 3 is arranged on the connecting rod assembly 3 in;
the brake drum 6 penetrates through the transmission assembly 2b through a through hole in the lower bottom plate 6a and is finally placed in the sleeve 2a, the working end of the pressing driving mechanism 5 pulls the bottom end of the transmission assembly 2b, the stressed end of the transmission assembly 2b drives the connecting rod assembly 3 after being pulled, the connecting rod assembly 3 bends after being stressed and tightly presses the lower bottom plate 6a of the brake drum 6 on a friction sheet of the sleeve 2a, and the sleeve 2a wraps the annular plate 6b of the brake drum 6.
The transmission assembly 2b comprises a transmission rod 2b1, a fixed plate 2b2, a pulling plate 2b3 and a bearing 2b4, wherein the transmission rod 2b1 penetrates through a circular hole on the sleeve 2a, the bearing 2b4 is positioned at the bottom end of the sleeve 2a, the bearing 2b4 is respectively connected with the transmission rod 2b1 and the working end of the pressing driving mechanism 5, the fixed plate 2b2 is fixedly arranged inside the sleeve 2a, the fixed plate 2b2 is coaxially arranged with the circular hole on the sleeve 2a, the pulling plate 2b3 is positioned at the top of the sleeve 2a, the pulling plate 2b3 is fixedly arranged at the top end of the transmission rod 2b1, and two ends of the connecting rod assembly 3 are respectively connected with the pulling plate 2b3 and the fixed plate 2;
the driving rod 2b1 is pulled through the pressing driving mechanism 5, the driving rod 2b1 drives the pulling plate 2b3, the pulling plate 2b3 drives one end of the connecting rod assembly 3 and presses, and finally the connecting rod assembly 3 is bent, and the bearing 2b4 at the bottom of the driving rod 2b1 is used for protecting the working end of the pressing driving mechanism 5, because when the brake drum 6 rotates, the connecting rod assembly 3 can be driven to rotate, and then the driving rod 2b1 can rotate to drive the working end of the pressing driving mechanism 5 to rotate.
The connecting rod assembly 3 comprises a first connecting rod 3a, a second connecting rod 3b, a first rotating seat 3c, a second rotating seat 3d, a rotating shaft 3e and a friction block 3f, wherein the first connecting rod 3a is rotatably connected with the first rotating seat 3c through the rotating shaft 3e, the first rotating seat 3c is fixedly connected with the fixed plate 2b2, the second connecting rod 3b is rotatably connected with the second rotating seat 3d through the rotating shaft 3e, the second rotating seat 3d is fixedly connected with the pulling plate 2b3, the first connecting rod 3a and the second connecting rod 3b are rotatably connected through the rotating shaft 3e, the friction block 3f is arranged on the first connecting rod 3a, and the friction block 3f is close to the connection part of the first connecting rod 3a and the second connecting rod 3 b;
when the driving rod 2b1 drives the pulling plate 2b3 to move downwards, the first connecting rod 3a and the second connecting rod 3b are extruded, the joint of the first connecting rod 3a and the second connecting rod 3b is bent in the direction opposite to the direction close to the driving rod 2b1 after the first connecting rod 3a and the second connecting rod 3b are extruded, until the lower bottom plate 6a of the first connecting rod 3a close to the brake drum 6 is tightly pressed on the friction sheet of the sleeve 2a through the friction block 3 f.
The punching driving mechanism 4 comprises a gear ring 4a, a chain 4b, a gear 4c, a right-angle reducer and a servo motor 4e, wherein the gear ring 4a is installed at the outer edge of the sleeve 2a, the gear 4c is connected with the gear ring 4a through the chain 4b, the gear 4c is installed at the working end of the right-angle reducer, and the right-angle reducer is installed at the output end of the servo motor 4 e;
the punching driving mechanism 4 starts to work, the servo motor 4e starts to drive the right-angle reducer to intermittently rotate, the right-angle reducer drives the gear 4c to rotate, the gear 4c drives the gear ring 4a to rotate through the chain 4b, the gear ring 4a drives the sleeve 2a to rotate by one angle, the automatic punching machine 1 waits until the automatic punching machine 1 finishes working, and the operation is repeated again until the circle is finished.
The pressing driving mechanism 5 comprises a rotary support 5a, a pushing cylinder 5b and a support frame 5c, the rotary cylinder is mounted at the bottom of the sleeve 2a, the support frame 5c is mounted at the bottom of the rotary cylinder, the pushing cylinder 5b is mounted in the support frame 5c, and the output end of the pushing cylinder 5b is connected with a transmission rod 2b1 through a bearing 2b 4;
the pushing cylinder 5b is used for pulling the transmission rod 2b1, the bearing 2b4 is used for protecting the output end of the pushing cylinder 5b, the punching driving mechanism 4 drives the sleeve 2a to rotate, the rotary support 5a is used for supporting and protecting the sleeve 2a to rotate, and the support frame 5c is used for fixedly supporting the rotary support 5a and the pushing cylinder 5 b.
The working principle of the invention is as follows: as shown in fig. 5 and 6, the brake drum 6 after the exhaust hole 6c is processed includes a lower bottom plate 6a and a ring-shaped plate 6b, the lower bottom plate 6a is located on one side of the ring-shaped plate 6b, and the lower bottom plate 6a is fixedly connected with the ring-shaped plate 6b, a through hole is formed in the center of the lower bottom plate 6a, and a screw hole is formed around the outer edge of the through hole, the exhaust hole 6c is located at one end of the ring-shaped plate 6b, the exhaust hole 6c is located around the ring-shaped plate 6b, and the exhaust hole 6c is far away from the lower bottom plate 6a, then the brake drum 6 is manually inserted through the through hole on the lower bottom plate 6a through the transmission rod 2b1, then the brake drum moves towards the inside of the sleeve 2a, finally the brake drum 6 is sleeved on the working end of the connecting rod assembly 3, and the brake drum 6 is also located inside the sleeve 2a, then the pressing driving mechanism, the transmission rod 2b1 is forced to move downwards, the pulling plate 2b3 is forced to move downwards, the working end of the barrel-shaped transmission mechanism 2 is pulled downwards to pull the three connecting rod assemblies 3, the three connecting rod assemblies 3 are extruded from a straightened state to be bent until the first connecting rod 3a is close to the lower bottom plate 6a of the brake drum 6, the lower bottom plate 6a of the brake drum 6 is tightly pressed on the friction sheet of the sleeve 2a through the friction block 3f, the scissor type lifting platform 7 starts to work, the scissor type lifting platform 7 synchronously jacks up the barrel-shaped transmission mechanism 2, the pressing driving mechanism 5, the connecting rod assemblies 3 and the punching driving mechanism 4, finally the annular plate 6b of the brake drum 6 is sleeved on the punching die 1a arranged on the automatic punching machine 1, the punching die 1a is provided with a hole which is opposite to the working end of the automatic punching machine 1, the automatic punching machine 1 starts to work, the working end of the automatic punching machine 1 punches at the outer edge of the top of the annular plate 6b, automatic punch only can beat a hole at every turn, need brake drum 6 to rotate and just can beat a hole after next angle, so punch actuating mechanism 4 this moment and begin work, servo motor 4e begins to drive right angle reduction gear intermittent type nature and rotates, right angle reduction gear drives gear 4c and rotates, gear 4c drives ring gear 4a through chain 4b and rotates, ring gear 4a drives sleeve 2a and stops once every angle of commentaries on classics, then automatic piercing press 1 just punches a hole once to annular plate 6b of brake drum 6, then repeat once more, until the round has been changeed, exhaust hole 6c punches and finishes.
Claims (6)
1. An automatic punching device for an exhaust hole of a brake drum is characterized by comprising an automatic punching machine (1), a barrel-shaped transmission mechanism (2), a connecting rod assembly (3), a punching driving mechanism (4) and a pressing driving mechanism (5);
barrel-shaped drive mechanism (2) are located the top that compresses tightly actuating mechanism (5), barrel-shaped drive mechanism (2) and compress tightly actuating mechanism (5) rotatable coupling, the work end of barrel-shaped drive mechanism (2) is connected with the work end that compresses tightly actuating mechanism (5), link assembly (3) encircle the work end setting of barrel-shaped drive mechanism (2), drive mechanism (4) that punch is installed in one side of same line drive mechanism, and the work end and the transmission of barrel-shaped drive mechanism (2) of drive mechanism (4) of punching are connected, install in one side of barrel-shaped drive mechanism (2) automatic piercing press (1), and the work end of automatic piercing press (1) is towards the top of barrel-shaped drive mechanism (2).
2. The automatic punching device for the exhaust hole of the brake drum as claimed in claim 1, wherein the barrel-shaped transmission mechanism (2) comprises a sleeve (2 a) and a transmission assembly (2 b), the sleeve (2 a) is of a barrel-shaped structure, one side of the sleeve is open, the other side of the sleeve is closed, a circular hole is formed in the closed position, the material of the closed position is a friction plate, the transmission assembly (2 b) penetrates through the circular hole of the sleeve (2 a), the transmission assembly (2 b) is in sliding fit with the sleeve (2 a), the stress end of the transmission assembly (2 b) is connected with the working end of the pressing driving mechanism (5), the connecting rod assembly (3) is located in the sleeve (2 a), and the connecting rod assembly (3) is mounted on the connecting rod assembly (3) in a surrounding mode.
3. The automatic punching equipment for the exhaust hole of the brake drum as claimed in claim 2, wherein the transmission assembly (2 b) comprises a transmission rod (2 b 1), a fixed plate (2 b 2), a pulling plate (2 b 3) and a bearing (2 b 4), the transmission rod (2 b 1) penetrates through a circular hole on the sleeve (2 a), the bearing (2 b 4) is positioned at the bottom end of the sleeve (2 a), and the bearing (2 b 4) is respectively connected with the transmission rod (2 b 1) and the working end of the pressing driving mechanism (5), the fixed plate (2 b 2) is fixedly arranged in the sleeve (2 a), the fixed plate (2 b 2) and the round hole on the sleeve (2 a) are coaxially arranged, the pulling plate (2 b 3) is positioned at the top of the sleeve (2 a), and the pulling plate (2 b 3) is fixedly arranged at the top end of the transmission rod (2 b 1), and two ends of the connecting rod assembly (3) are respectively connected with the pulling plate (2 b 3) and the fixed plate (2 b 2).
4. The automatic punching equipment for the exhaust hole of the brake drum as claimed in claim 3, wherein the connecting rod assembly (3) comprises a first connecting rod (3 a), a second connecting rod (3 b), a first rotating seat (3 c), a second rotating seat (3 d), a rotating shaft (3 e) and a friction block (3 f), the first connecting rod (3 a) is rotatably connected with the first rotating seat (3 c) through the rotating shaft (3 e), the first rotating seat (3 c) is fixedly connected with the fixed plate (2 b 2), the second connecting rod (3 b) is rotatably connected with the second rotating seat (3 d) through the rotating shaft (3 e), the second rotating seat (3 d) is fixedly connected with the pulling plate (2 b 3), the first connecting rod (3 a) and the second connecting rod (3 b) are rotatably connected through the rotating shaft (3 e), and the friction block (3 f) is installed on the first connecting rod (3 a), and the friction block (3 f) is close to the connection part of the first connecting rod (3 a) and the second connecting rod (3 b).
5. The automatic punching equipment for the exhaust hole of the brake drum as claimed in claim 2, wherein the punching driving mechanism (4) comprises a gear ring (4 a), a chain (4 b), a gear (4 c), a right-angle reducer and a servo motor (4 e), the gear ring (4 a) is installed at the outer edge of the sleeve (2 a), the gear (4 c) is connected with the gear ring (4 a) through the chain (4 b), the gear (4 c) is installed at the working end of the right-angle reducer, and the right-angle reducer is installed at the output end of the servo motor (4 e).
6. The automatic punching device for the exhaust hole of the brake drum as claimed in claim 3, wherein the pressing driving mechanism (5) comprises a rotary support (5 a), a pushing cylinder (5 b) and a support frame (5 c), the rotary cylinder is mounted at the bottom of the sleeve (2 a), the support frame (5 c) is mounted at the bottom of the rotary cylinder, the pushing cylinder (5 b) is mounted in the support frame (5 c), and the output end of the pushing cylinder (5 b) is connected with the transmission rod (2 b 1) through a bearing (2 b 4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025098.1A CN111167934A (en) | 2020-01-10 | 2020-01-10 | Automatic punching equipment for exhaust holes of brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025098.1A CN111167934A (en) | 2020-01-10 | 2020-01-10 | Automatic punching equipment for exhaust holes of brake drum |
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| Publication Number | Publication Date |
|---|---|
| CN111167934A true CN111167934A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010025098.1A Pending CN111167934A (en) | 2020-01-10 | 2020-01-10 | Automatic punching equipment for exhaust holes of brake drum |
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| CN (1) | CN111167934A (en) |
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| KR101372819B1 (en) * | 2012-10-25 | 2014-03-11 | (주)삼성정밀 | Press mold for forming rim of brake shoe and manufacturing method of brake shoe using thereof |
| CN105252038A (en) * | 2015-10-30 | 2016-01-20 | 重庆市璧山县振昌汽车配件有限公司 | Drilling device for brake drum |
| CN205703380U (en) * | 2016-06-30 | 2016-11-23 | 安徽江淮汽车股份有限公司 | A kind of brake drum clamping device |
| CN207104367U (en) * | 2017-08-18 | 2018-03-16 | 辽东学院 | A kind of adaptive drill jig rapid tensioning mechanism |
| CN107598222A (en) * | 2017-11-02 | 2018-01-19 | 李秀碧 | A kind of brake wheel hub automatic drilling duplicate removal dynamic balancing lathe |
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