CN204036928U - A kind of piston hydraulic material-punching cylinder - Google Patents
A kind of piston hydraulic material-punching cylinder Download PDFInfo
- Publication number
- CN204036928U CN204036928U CN201420491791.8U CN201420491791U CN204036928U CN 204036928 U CN204036928 U CN 204036928U CN 201420491791 U CN201420491791 U CN 201420491791U CN 204036928 U CN204036928 U CN 204036928U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- connecting portion
- punching cylinder
- punching
- piston rod
- 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.)
- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to a kind of piston hydraulic material-punching cylinder.Comprise master cylinder and material-punching cylinder, cylinder body and the entablature of described master cylinder fix, and the piston rod of described master cylinder is connected with the cylinder body of material-punching cylinder, and the piston rod bottom of described material-punching cylinder is connected with knockout rod, and described slide block is provided with the hole passed for knockout rod.As shown from the above technical solution, the utility model utilizes the cylinder body of material-punching cylinder as the adpting flange of master cylinder, slide block and material-punching cylinder piston rod, make material-punching cylinder can carry out dnockout in the centre position of slide block, save installing space, material-punching cylinder is piston hydraulic material-punching cylinder simultaneously, can stretching out and the realization control in real time that bounces back knockout rod.
Description
Technical field
The utility model relates to a kind of hydraulic material-punching cylinder, is specifically related to a kind of piston hydraulic material-punching cylinder.
Background technology
At present, the hydraulic press filling device of normal employing mostly is plunger type material-punching cylinder, and conventional material-punching cylinder generally all can not carry out dnockout in centre position because of the restriction in space, and filling device mainly utilize the recurrence position, secondary top of hard material blank in mould or flexible member rebound realize playback, this returning is uncontrollable, cannot initiatively return especially when running into fluid material blank.
Utility model content
The purpose of this utility model is to provide a kind of piston hydraulic material-punching cylinder, and this material-punching cylinder at centre position dnockout, and can realize dnockout and the real-time control of returning.
For achieving the above object, the utility model have employed following technical scheme: comprise master cylinder and material-punching cylinder, cylinder body and the entablature of described master cylinder fix, the piston rod of described master cylinder is connected with the cylinder body of material-punching cylinder, the cylinder body of described material-punching cylinder comprises the first connecting portion be connected with the piston rod of master cylinder, be arranged on the second connecting portion of slide block inside and connect first, 3rd connecting portion of the second connecting portion, described first, second, 3rd connecting portion is coaxially arranged, described first, the diameter of the second connecting portion is identical, the diameter of the 3rd described connecting portion is greater than first, second connecting portion, the lower surface of described 3rd connecting portion is resisted against the upper surface of slide block, and the 3rd connecting portion fixes with the piston rod of master cylinder and slide block respectively, the piston rod bottom of described material-punching cylinder is connected with knockout rod, described slide block is provided with the hole passed for knockout rod.
Its bottom of the piston rod of described master cylinder is provided with counterbore, and the first described connecting portion is the cylinder boss matched with counterbore, and the described the 3rd is fixed by the first attachment screw between connecting portion and the piston rod of master cylinder.
The chamber matched with the piston rod of material-punching cylinder is provided with in the second described connecting portion, seal is provided with between the piston rod of described material-punching cylinder and chamber, the bottom of the second described connecting portion is provided with the guide pin bushing be fixedly connected with it, the cylinder body of described material-punching cylinder be provided be communicated with the second connecting portion inner cavity chamber into and out of oil duct, the described import department into and out of oil duct is provided with free flow coupling.
Described 3rd is fixed by the second attachment screw between connecting portion and slide block.
Fixed by the 3rd attachment screw between the second described connecting portion and guide pin bushing.
As shown from the above technical solution, the utility model utilizes the cylinder body of material-punching cylinder as the adpting flange of master cylinder, slide block and material-punching cylinder piston rod, make material-punching cylinder can carry out dnockout in the centre position of slide block, save installing space, material-punching cylinder is piston hydraulic material-punching cylinder simultaneously, can stretching out and the realization control in real time that bounces back knockout rod.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model material-punching cylinder;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the structural representation of the piston rod of the utility model master cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
As Fig. 1, Fig. 2, a kind of piston hydraulic material-punching cylinder shown in Fig. 3, comprise master cylinder and material-punching cylinder, cylinder body 1 and the entablature 2 of master cylinder fix, the piston rod 3 of master cylinder is connected with the cylinder body 4 of material-punching cylinder, the cylinder body 4 of material-punching cylinder comprises the first connecting portion 41 be connected with the piston rod 3 of master cylinder, be arranged on the second connecting portion 42 of slide block 5 inside and connect first, second connecting portion 41, 3rd connecting portion 43 of 42, first, second, 3rd connecting portion 41, 42, 43 are coaxially arranged, first, second connecting portion 41, the diameter of 42 is identical, the diameter of the 3rd connecting portion 43 is greater than first, second connecting portion 41, 42, the lower surface of the 3rd connecting portion 43 is resisted against the upper surface of slide block 5, and the 3rd connecting portion 43 fixes with the piston rod 3 of master cylinder and slide block 5 respectively, piston rod 6 bottom of material-punching cylinder is connected with knockout rod 7, slide block 5 is provided with the hole passed for knockout rod 7.
Further, as shown in Figure 4, its bottom of piston rod 3 of master cylinder is provided with counterbore 31, first connecting portion 41 is the cylinder boss matched with counterbore 31, fixed by the first attachment screw 81 between 3rd connecting portion 43 and the piston rod 3 of master cylinder, namely the bottom of the piston rod 3 of master cylinder is provided with after counterbore 31 inserts counterbore 31 with connecting thread hole 32, first connecting portion 41, then the piston rod 3 of master cylinder and the 3rd connecting portion 43 is fixed with the first attachment screw.
Further, the chamber matched with the piston rod 6 of material-punching cylinder is provided with in second connecting portion 42, seal 9 is provided with between the piston rod 6 of material-punching cylinder and chamber, the bottom of the second connecting portion 42 is provided with the guide pin bushing 10 be fixedly connected with it, the cylinder body 4 of material-punching cylinder be provided be communicated with the second connecting portion 42 internal chamber into and out of oil duct, the import department into and out of oil duct is provided with free flow coupling 11.Further, fixed by the 3rd attachment screw 83 between the second connecting portion 42 and guide pin bushing 10, fixed by the second attachment screw 82 between the 3rd connecting portion 43 and slide block 5.3rd connecting portion is equivalent to a discoid flange, be used for connecting the piston rod of master cylinder and slide block, make material-punching cylinder can carry out dnockout in the centre position of slide block, save installing space, material-punching cylinder is piston hydraulic material-punching cylinder simultaneously, can stretching out and the realization control in real time that bounces back knockout rod.
Above-described embodiment is only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (5)
1. a piston hydraulic material-punching cylinder, it is characterized in that: comprise master cylinder and material-punching cylinder, cylinder body (1) and the entablature (2) of described master cylinder fix, the piston rod (3) of described master cylinder is connected with the cylinder body (4) of material-punching cylinder, and the cylinder body (4) of described material-punching cylinder comprises the first connecting portion (41) be connected with the piston rod of master cylinder (3), be arranged on inner the second connecting portion (42) of slide block (5) and connect first, second connecting portion (41, 42) the 3rd connecting portion (43), described first, second, 3rd connecting portion (41, 42, 43) coaxially arrange, described first, second connecting portion (41, 42) diameter is identical, and the diameter of the 3rd described connecting portion (43) is greater than first, second connecting portion (41, 42), the lower surface of described 3rd connecting portion (43) is resisted against the upper surface of slide block (5), and the 3rd connecting portion (43) fixes with the piston rod (3) of master cylinder and slide block (5) respectively, piston rod (6) bottom of described material-punching cylinder is connected with knockout rod (7), and described slide block (5) is provided with the hole passed for knockout rod (7).
2. piston hydraulic material-punching cylinder according to claim 1, it is characterized in that: piston rod (3) its bottom of described master cylinder is provided with counterbore (31), described the first connecting portion (41) is the cylinder boss matched with counterbore (31), is fixed between the 3rd described connecting portion (43) and the piston rod (3) of master cylinder by the first attachment screw (81).
3. piston hydraulic material-punching cylinder according to claim 1, it is characterized in that: in described the second connecting portion (42), be provided with the chamber matched with the piston rod of material-punching cylinder (6), seal (9) is provided with between the piston rod (6) of described material-punching cylinder and chamber, the bottom of described the second connecting portion (42) is provided with the guide pin bushing (10) be fixedly connected with it, the cylinder body (4) of described material-punching cylinder be provided be communicated with the second connecting portion (42) internal chamber into and out of oil duct, the described import department into and out of oil duct is provided with free flow coupling (11).
4. piston hydraulic material-punching cylinder according to claim 3, is characterized in that: fixed by the second attachment screw (82) between described 3rd connecting portion (43) and slide block (5).
5. piston hydraulic material-punching cylinder according to claim 3, is characterized in that: fixed by the 3rd attachment screw (83) between described the second connecting portion (42) and guide pin bushing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491791.8U CN204036928U (en) | 2014-08-29 | 2014-08-29 | A kind of piston hydraulic material-punching cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491791.8U CN204036928U (en) | 2014-08-29 | 2014-08-29 | A kind of piston hydraulic material-punching cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036928U true CN204036928U (en) | 2014-12-24 |
Family
ID=52237633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491791.8U Expired - Fee Related CN204036928U (en) | 2014-08-29 | 2014-08-29 | A kind of piston hydraulic material-punching cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204036928U (en) |
-
2014
- 2014-08-29 CN CN201420491791.8U patent/CN204036928U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |