CN211105843U - Spring type balancer for open press - Google Patents
Spring type balancer for open press Download PDFInfo
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- CN211105843U CN211105843U CN201921794466.8U CN201921794466U CN211105843U CN 211105843 U CN211105843 U CN 211105843U CN 201921794466 U CN201921794466 U CN 201921794466U CN 211105843 U CN211105843 U CN 211105843U
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Abstract
The utility model relates to a spring balancer for open press, include along the solid fixed cylinder that the press slider moving direction arranged, wear to establish the body of rod with the slider rigid coupling in the solid fixed cylinder to and the uide bushing of sliding connection with body of rod threaded connection in the solid fixed cylinder, the both ends of uide bushing all are provided with the spring of wearing to establish on the body of rod, the solid fixed cylinder keeps away from the limit structure of uide bushing one end including injecing the spring. The utility model discloses can use the spring to replace the piston cylinder, the specially adapted does not have air supply user's small-size press, and the atress compression capacity through the spring maintains balanced, and simple structure is compact, and the installation of being convenient for has reduced the cost. Compared with a piston cylinder, the balance device has no friction loss in the balance process, avoids energy waste and saves energy. And a complex gas pipeline is eliminated, so that the structure is simpler and the maintenance is convenient. The position of the balance stroke can be adjusted according to the required balance force, so that the compression amount of the spring is adjusted, and the balance effect is better.
Description
Technical Field
The utility model relates to a press field specifically indicates a spring balancer for open press.
Background
The open press is a crank press and is a forging and pressing machine adopting mechanical transmission. The open type press machine converts the rotation of the crank into the up-and-down movement of the sliding block through the connecting rod, and drives the template to punch up and down through the sliding block. The balancer of the press is mainly used for balancing the slide block in the operation. The existing balancer is generally a piston cylinder, is driven by compressed gas, has strict requirements on the sealing performance of the cylinder body and the piston, and has higher cost. And the friction force between the cylinder body and the piston is larger, so the reaction is less sensitive, and partial energy is lost due to friction, so that energy waste is caused. And need independent air pump to supply air, lead to the structure comparatively complicated, in case take place to damage, the maintenance degree of difficulty is great, and cost of maintenance is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a spring balancer for open press, simple structure is compact, and the installation of being convenient for has the cost reduced, has avoided the waste of the energy, has saved the energy.
The utility model discloses a through following technical scheme realizes, provide a spring balancer for open press, include along the solid fixed cylinder that press slider moving direction arranged, wear to establish in the solid fixed cylinder with the body of rod of slider rigid coupling to and the uide bushing of sliding connection in the solid fixed cylinder with body of rod threaded connection, the both ends of uide bushing all are provided with the spring of wearing to establish on the body of rod, the solid fixed cylinder is including injecing the limit structure that uide bushing one end was kept away from to the spring.
The position of the fixed cylinder is fixed, and the fixed cylinder is fixedly connected with a shell of the open press or fixedly arranged on the ground through a bracket. The rod body and the central shaft of the fixed cylinder are collinear, the guide sleeve comprises a cylinder, the middle part of the periphery of the cylinder is fixedly connected with an annular boss, and the longitudinal section of the annular boss is in a cross shape. The center of the cylinder is provided with a hole, the rod body passes through the hole and is fixedly connected with the guide sleeve, the outer diameter of the annular boss is smaller than the inner diameter of the fixed cylinder by 1-2mm, so that the guide sleeve can stably slide along the inner wall of the fixed cylinder, the rod body is sleeved with two springs which are respectively positioned at two sides of the guide sleeve, one end of each spring is sleeved on the cylinder to press the annular boss, the limiting structures are inner end faces at two ends of the fixed cylinder, and the other end of each spring presses the corresponding inner end face of the fixed cylinder. When the slider reciprocating motion, drive the body of rod reciprocating motion, the body of rod drives the uide bushing along solid fixed cylinder reciprocating motion, because the rigidity of solid fixed cylinder, therefore in two springs, a spring compression, two spring compression actions go on in turn to this plays the balance adjustment effect.
Preferably, the fixed cylinder comprises a cylinder body with through holes at two ends, wherein the inner diameter of one through hole is larger than the outer diameter of the rod body and smaller than the outer diameter of the spring, and the inner diameter of the other through hole is larger than the outer diameter of the guide sleeve and the outer diameter of the spring; the limiting structure is characterized by further comprising a top guide sleeve which is sleeved on the rod body and connected with one end of another through hole of the barrel body, and the limiting structure is a barrel bottom and the top guide sleeve at one end of the through hole of the barrel body.
In the scheme, one end of the cylinder body is provided with a first through hole which is larger than the diameter of the rod body by 1-2mm, the other end of the cylinder body is provided with a second through hole which is the same as the inner diameter of the rod body, the center part of the top guide sleeve is also provided with a third through hole which is larger than the diameter of the rod body by 1-2mm, when the cylinder body is installed, a spring is placed into the cylinder body from the second through hole, the rod body provided with the guide sleeve is placed into the cylinder body from the second through hole, the end part of the rod body is extended out of the first through hole, then another spring is placed into the cylinder body from the second through hole, finally the top guide sleeve is sleeved on the rod body through the third through hole, the top guide sleeve is connected to the open end of the second through hole of the.
Preferably, the top guide sleeve is pressed tightly by a gland which is sleeved on the rod body and fixedly connected with one end of the other through hole of the barrel body. The gland of this scheme is the annular lid that the middle part was seted up circular groove that passes through, and the longitudinal section of top uide bushing is "protruding" font, and circular longitudinal section that passes through the groove is "concave" font with top uide bushing shape adaptation, consequently, will push up the uide bushing and insert the circular inslot that passes through of gland, the gland can block a uide bushing, then with the gland rigid coupling on the barrel to can connect a uide bushing and barrel through the gland, it is more firm to connect.
Preferably, both sides of the gland are provided with round holes, one end of the other through hole of the cylinder is provided with a screw hole corresponding to the round hole, and a screw penetrates through the round hole and is in threaded connection with the corresponding screw hole. This scheme passes through screwed connection gland and barrel, the installation and dismantlement of being convenient for.
Preferably, the rod body is a screw rod, the guide sleeve is provided with a threaded hole, and the rod body penetrates through the threaded hole to be in threaded connection with the guide sleeve. The uide bushing of this scheme and body of rod threaded connection can lock the uide bushing rotation to the optional position of the body of rod, consequently, can remove the uide bushing to the middle part of a fixed section of thick bamboo, makes the compressive capacity of two springs the same, possesses the same elasticity, also can remove the uide bushing to the non-middle part position of a fixed section of thick bamboo, makes the compressive capacity of two springs different, possesses different elasticity. Through the amount of compression of adjusting spring, be convenient for with the utility model discloses a balancer is adjusted to best balanced effect.
Preferably, a first lock nut is threadedly mounted at one end of the rod body. The first lock nut of this scheme is located outside the solid fixed cylinder, can inject the position of the body of rod through first lock nut, and when the body of rod drove first lock nut and removed solid fixed cylinder tip, the body of rod can be kept off outside the solid fixed cylinder by first lock nut, prevents in the body of rod indentation solid fixed cylinder, and then can prevent the body of rod indentation solid fixed cylinder in the back emergence skew to lead to the body of rod can't stretch out smoothly from the solid fixed cylinder. The position of the rod body is limited through the first locking nut, so that the rod body can only move in a certain stroke in a reciprocating manner, and the balancer is more reliable.
Preferably, the sliding block is fixedly connected with a support with a through groove, and both sides of the support are provided with a nut and a second lock nut which are installed on the rod body in a threaded manner. In the scheme, the support and the sliding block are directly welded, the area of the contact surface of the support and the sliding block is larger than that of the contact surface of the rod body and the sliding block, so that the support and the sliding block are welded and are connected more firmly, the support is provided with the through groove, and the inner diameter of the through groove is larger than the outer diameter of the rod body by 1-2 mm. The body of rod other end screw thread mounting nut, the nut is located the one side that the support is close to solid fixed cylinder, during the installation, rotate the other end to the body of rod with the nut earlier, the other end of the body of rod is exactly the one end of keeping away from first lock nut, the nut is located outside the solid fixed cylinder, the body of rod is located the length that nut and first lock nut between and is greater than solid fixed cylinder's length, and the part that the body of rod is located between nut and the first lock nut is greater than this section of solid fixed cylinder, be exactly body of rod reciprocating motion's size, also the size that the spring extends or contracts. And the other end of the rod body penetrates through the through groove, the other end of the rod body penetrates through the through groove and then is blocked by the nut, and then a second locking nut arranged at the other end of the rod body is screwed. Just can fasten the body of rod to the support through nut and second lock nut to be convenient for install the body of rod on the slider more through the support.
Preferably, the nut is located on one side of the support close to the fixed cylinder, and comprises an adjusting nut and a convex nut, and the protruding end of the convex nut faces the support. The adjusting nut of this scheme is used for adjusting the body of rod and is located the length between nut and the first lock nut to reach the purpose of the size of adjustment body of rod reciprocating motion. The convex nut and the second lock nut act together to achieve the purpose of fastening the rod body on the support.
Preferably, the rod body is further sleeved with a concave gasket positioned between the support and the convex nut, and the concave gasket is matched with the convex nut. The spill gasket of this scheme is worn to establish on the body of rod, is located between support and the protruding type nut, and the protruding end of protruding type nut can block the sunken end of spill gasket into, plays the effect that prevents protruding type nut not hard up through the spill gasket, makes protruding type nut connect more firm.
Preferably, the two sides of the guide sleeve are fixedly connected with guide blocks, and the inner walls of the two sides of the fixed cylinder are provided with guide grooves matched with the guide blocks. The guide block of this scheme inserts in the guide way that corresponds, makes the uide bushing can only follow the axial slip of a fixed section of thick bamboo, and can not be at a fixed section of thick bamboo internal rotation. When the position of the guide sleeve on the rod body needs to be adjusted, the second lock nut is only needed to be loosened, the rod body is loosened from the support, the rod body is transferred, the rod body and the guide sleeve can rotate relatively, and therefore the position of the guide sleeve on the rod body can be adjusted.
The utility model has the advantages that: the utility model discloses a balancer can use the spring to replace the piston cylinder, and the specially adapted does not have air supply user's small-size press, and the atress compression capacity through the spring maintains balancedly, and simple structure is compact, and the installation of being convenient for has reduced the cost. The utility model discloses for the piston cylinder, there is not friction loss among the balanced process, has avoided the waste of the energy, has saved the energy. And a complex gas pipeline is omitted, the structure is simpler, the overhaul is convenient, and the maintenance cost is reduced. The position of the balance stroke can be adjusted according to the required balance force, so that the compression amount of the spring is adjusted, and the balance effect is better.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of section I of FIG. 1;
FIG. 3 is an enlarged view of a portion II of FIG. 1;
shown in the figure:
1. the rod body, 2, first lock nut, 3, gland, 4, screw, 5, barrel, 6, spring, 7, uide bushing, 8, adjusting nut, 9, convex nut, 10, concave gasket, 11, support, 12, second lock nut, 13, top uide bushing.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The utility model provides a spring balancer for open press, as shown in the figure, include along the solid fixed cylinder that press slider moving direction arranged, wear to establish in the solid fixed cylinder with the body of rod 1 of slider rigid coupling to and the uide bushing 7 of sliding connection in the solid fixed cylinder with the 1 threaded connection of the body of rod, the both ends of uide bushing 7 all are provided with the spring 6 of wearing to establish on the body of rod 1, the solid fixed cylinder is including injecing the limit structure that 7 one end of uide bushing were kept away from to spring 6.
The fixed cylinder comprises a cylinder body 5 with through holes at two ends, wherein the inner diameter of one through hole is larger than the outer diameter of the rod body 1 and smaller than the outer diameter of the spring, and the inner diameter of the other through hole is larger than the outer diameter of the guide sleeve 7 and the outer diameter of the spring; the device is characterized by further comprising a top guide sleeve 13 which is sleeved on the rod body 1 and connected with one end of another through hole of the barrel body 5, and the limiting structure is a barrel bottom and a top guide sleeve 13 at one end of the through hole of the barrel body 5.
The top guide sleeve 13 is pressed tightly by a gland 3 which is sleeved on the rod body 1 and fixedly connected with one end of the other through hole of the barrel body 5. Round holes are formed in the two sides of the gland 3, screw holes corresponding to the round holes are formed in one end of the other through hole of the barrel 5, and screws 4 are arranged in the round holes in a penetrating mode and in threaded connection with the corresponding screw holes.
The body of rod 1 is the lead screw, and uide bushing 7 sets up the screw hole, and the body of rod 1 passes screw hole and uide bushing 7 threaded connection. A first lock nut 2 is installed at one end of the rod body 1 through threads. The slide block is fixedly connected with a support 11 with a through groove, and both sides of the support 11 are provided with a nut and a second lock nut 12 which are installed on the rod body 1 in a threaded manner. The nut is positioned on one side of the support 11 close to the fixed cylinder and comprises an adjusting nut 8 and a convex nut 9, and the protruding end of the convex nut 9 faces the support 11. The rod body 1 is further sleeved with a concave gasket 10 positioned between the support 11 and the convex nut 9, and the concave gasket 10 is matched with the convex nut 9. The guide blocks are fixedly connected to two sides of the guide sleeve 7, and guide grooves matched with the guide blocks are formed in the inner walls of the two sides of the fixed cylinder.
The fixed cylinder is fixed in position and fixedly connected with a shell of the open press or fixedly arranged on the ground through a bracket. The rod body 1 and the central shaft of the fixed cylinder are collinear, the guide sleeve 7 comprises a cylinder, the middle part of the periphery of the cylinder is fixedly connected with an annular boss, and the longitudinal section of the annular boss is in a cross shape. A hole is formed in the center of the cylinder, the rod body 1 penetrates through the hole to be fixedly connected with the guide sleeve 7, the outer diameter of the annular boss is smaller than the inner diameter of the fixed cylinder by 1-2mm, the guide sleeve 7 can stably slide along the inner wall of the fixed cylinder, two springs 6 are sleeved on the rod body 1, the two springs 6 are respectively located on two sides of the guide sleeve 7, one end of each spring 6 is sleeved on the cylinder to press the annular boss, the limiting structures are inner end faces at two ends of the fixed cylinder, and the other end of each spring 6 presses the corresponding inner end face of the fixed cylinder. During slider reciprocating motion, drive body of rod 1 reciprocating motion, body of rod 1 drives uide bushing 7 along solid fixed cylinder reciprocating motion, because the rigidity of solid fixed cylinder, consequently two springs 6, a spring 6 compression, two springs 6 compression action go on in turn to this plays the balance adjustment effect.
When the assembling device is installed, a spring 6 is put into the barrel 5 from the second through hole, then the rod 1 provided with the guide sleeve 7 is put into the barrel 5 from the second through hole, the end part of the rod 1 is extended out of the first through hole, then another spring 6 is put into the barrel 5 from the second through hole, finally the top guide sleeve 13 is sleeved on the rod 1 through the third through hole, the top guide sleeve 13 is connected to the open end of the second through hole of the barrel 5, so that the top guide sleeve 13 tightly presses the corresponding spring 6, thereby completing the assembling process of the fixed barrel, and the assembling is simpler and more convenient.
The guide sleeve 7 is in threaded connection with the rod body 1, and can rotationally lock the guide sleeve 7 to any position of the rod body 1, so that the guide sleeve 7 can be moved to the middle of the fixed cylinder, the two springs 6 have the same compression amount and the same elasticity, and the guide sleeve 7 can also be moved to the non-middle position of the fixed cylinder, so that the two springs 6 have different compression amounts and different elasticity. Through the amount of compression of adjusting spring 6, be convenient for with the utility model discloses a balancer is adjusted to best balanced effect.
Outside first lock nut 2 was located the solid fixed cylinder, can inject the position of the body of rod 1 through first lock nut 2, when the body of rod 1 drove first lock nut 2 and removed solid fixed cylinder tip, the body of rod 1 can be kept off outside the solid fixed cylinder by first lock nut 2, prevents in the 1 indentation solid fixed cylinder of the body of rod, and then can prevent the 1 indentation solid fixed cylinder of the body of rod in the back emergence skew to lead to the body of rod 1 can't stretch out smoothly from the solid fixed cylinder. The position of the rod body 1 is limited through the first locking nut 2, so that the rod body 1 can only move in a certain stroke in a reciprocating manner, and the balancer is more reliable.
The support 11 and the slider are directly welded, the contact surface area of the support 11 and the slider is larger than that of the rod body 1 and the slider, so that the support 11 and the slider are welded and are connected more firmly, the support 11 is provided with a through groove, and the inner diameter of the through groove is larger than the outer diameter of the rod body 1 by 1-2 mm. The 1 other end screw thread mounting nut of the body of rod, the nut is located the one side that support 11 is close to fixed section of thick bamboo, during the installation, rotate the other end to the body of rod 1 with the nut earlier, the other end of the body of rod 1 is exactly the one end of keeping away from first lock nut 2, the nut is located outside the fixed section of thick bamboo, the length that the body of rod 1 is located between nut and the first lock nut 2 is greater than the length of fixed section of thick bamboo, and the part that the body of rod 1 is located between nut and the first lock nut 2 is greater than this section of fixed section of thick bamboo, be exactly the size of the 1 reciprocating motion of the body of rod, also. The other end of the rod body 1 penetrates through the through groove, the other end of the rod body 1 penetrates through the through groove and then is blocked by the nut, and then a second locking nut 12 installed at the other end of the rod body 1 is screwed. The shank can be fastened to the seat 11 by means of a nut and a second lock nut 12, so that the mounting of the shank 1 on the slide is facilitated by the seat 11.
The adjusting nut 8 is used for adjusting the length of the rod body 1 between the nut and the first lock nut 2, so that the purpose of adjusting the reciprocating size of the rod body 1 is achieved. The male nut 9 co-acts with a second lock nut 12 for the purpose of fastening the shank 1 to the support 11. Concave gasket 10 wears to establish on the body of rod 1, is located between support 11 and the convex nut 9, and the protruding end of convex nut 9 can block the sunk end of concave gasket 10 into, plays the not hard up effect of preventing convex nut 9 through concave gasket 10, makes convex nut 9 connect more firmly.
The guide block is inserted into the corresponding guide groove, so that the guide sleeve can only slide along the axial direction of the fixed cylinder and cannot rotate in the fixed cylinder. When the position of the guide sleeve on the rod body needs to be adjusted, the second lock nut is only needed to be loosened, the rod body is loosened from the support, the rod body is transferred, the rod body and the guide sleeve can rotate relatively, and therefore the position of the guide sleeve on the rod body can be adjusted.
When using, the utility model discloses vertical the back upper place of installing at the slider, support 11 welds with slider back upper place promptly, and the slider reciprocates and drives support 11 and reciprocate, and the body of rod 1 is fixed on support 11 through protruding type nut 9 and second lock nut 12, and consequently support 11 drives the body of rod 1 and reciprocates. Because the fixed position of a fixed section of thick bamboo, so the body of rod 1 reciprocates along a fixed section of thick bamboo, and uide bushing 7 is fixed on the body of rod 1, follows body of rod 1 and reciprocates along a fixed section of thick bamboo, and when uide bushing 7 rebound, the compression is located the spring 6 of uide bushing 7 top, and when uide bushing 7 rebound, the compression is located the spring 6 of uide bushing 7 below, plays the balance adjustment effect through compression spring 6. When the stroke of the sliding block is changed and the stroke of the rod body 1 needs to be adjusted, the adjusting nut 8 is rotated, the adjusting nut 8 is meshed with the rod body 1 and can move up and down along the rod body 1, when the adjusting nut 8 moves up along the rod body 1, the length of the rod body 1 between the adjusting nut 8 and the first locking nut 2 is reduced, and the stroke is reduced at the moment; when the adjusting nut 8 moves downwards along the rod body 1, the length of the rod body 1 between the adjusting nut 8 and the first lock nut 2 is increased, and the stroke is increased at the moment. When the balance force required by the upward movement of the sliding block is greater than the balance force required by the downward movement of the sliding block, the guide sleeve 7 is rotated, the steering sleeve 7 is meshed with the rod body 1 and can move up and down along the rod body 1, the steering sleeve 7 is moved upwards, the spring 6 above the steering sleeve 7 is further compressed, and greater elastic force can be generated; when the balance force required by the downward movement of the sliding block is larger than the balance force required by the upward movement of the sliding block, the steering sleeve 7 is moved downwards, the spring 6 positioned below the steering sleeve 7 is further compressed, larger elastic force can be generated, and the balance effect is better. The screw 4 can be disassembled, the gland 3 is taken down from the cylinder 5, and then the original spring 6 is taken out to replace the thicker spring 6, so that higher elasticity is obtained.
The utility model discloses a balancer can use the spring to replace the piston cylinder, and the specially adapted does not have air supply user's small-size press, and the atress compression capacity through the spring maintains balancedly, and simple structure is compact, and the installation of being convenient for has reduced the cost. The utility model discloses for the piston cylinder, there is not friction loss among the balanced process, has avoided the waste of the energy, has saved the energy. And a complex gas pipeline is omitted, the structure is simpler, the overhaul is convenient, and the maintenance cost is reduced. The position of the balance stroke can be adjusted according to the required balance force, so that the compression amount of the spring is adjusted, and the balance effect is better.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (10)
1. A spring balancer for an open press, characterized in that: including the solid fixed cylinder of arranging along press slider moving direction, wear to establish in the solid fixed cylinder with body of rod (1) of slider rigid coupling to and sliding connection in the solid fixed cylinder with body of rod (1) threaded connection's uide bushing (7), the both ends of uide bushing (7) all are provided with spring (6) of wearing to establish on the body of rod (1), the solid fixed cylinder is including injecing limiting spring (6) and keeping away from the limit structure of uide bushing (7) one end.
2. A spring balancer for a open press as claimed in claim 1, wherein: the fixed cylinder comprises a cylinder body (5) with through holes at two ends, wherein the inner diameter of one through hole is larger than the outer diameter of the rod body (1) and smaller than the outer diameter of the spring (6), and the inner diameter of the other through hole is larger than the outer diameter of the guide sleeve (7) and the outer diameter of the spring (6);
the device is characterized by further comprising a top guide sleeve (13) which is sleeved on the rod body (1) and connected with one end of another through hole of the barrel body (5), and the limiting structure is a barrel bottom and the top guide sleeve (13) at one end of the through hole of the barrel body (5).
3. A spring balancer for a open press as claimed in claim 2, wherein: the top guide sleeve (13) is tightly pressed with a gland (3) fixedly connected with one end of the other through hole of the barrel body (5) through being sleeved on the rod body (1).
4. A spring balancer for a open press as claimed in claim 3, wherein: round holes are formed in the two sides of the gland (3), a screw hole corresponding to the round hole is formed in one end of the other through hole of the barrel (5), and a screw (4) penetrates through the round hole to be in threaded connection with the corresponding screw hole.
5. A spring balancer for a open press as claimed in claim 1, wherein: the rod body (1) is a screw rod, the guide sleeve (7) is provided with a threaded hole, and the rod body (1) penetrates through the threaded hole to be in threaded connection with the guide sleeve (7).
6. A spring balancer for a open press as claimed in claim 5, wherein: a first locking nut (2) is installed at one end of the rod body (1) in a threaded mode.
7. A spring balancer for a press as claimed in claim 6, wherein: a support (11) with a through groove is fixedly connected to the sliding block, and a nut and a second lock nut (12) which are installed on the rod body (1) in a threaded mode are arranged on the two sides of the support (11).
8. A spring balancer for a open press as claimed in claim 7, wherein: the nut is positioned on one side, close to the fixed cylinder, of the support (11) and comprises an adjusting nut (8) and a convex nut (9), and the protruding end of the convex nut (9) faces the support (11).
9. The spring balancer for an open press of claim 8, wherein: still establish on the body of rod (1) and be located concave gasket (10) between support (11) and convex nut (9), concave gasket (10) and convex nut (9) adaptation.
10. A spring balancer for a open press as claimed in claim 7, wherein: and guide blocks are fixedly connected to two sides of the guide sleeve (7), and guide grooves matched with the guide blocks are formed in the inner walls of the two sides of the fixed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794466.8U CN211105843U (en) | 2019-10-24 | 2019-10-24 | Spring type balancer for open press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921794466.8U CN211105843U (en) | 2019-10-24 | 2019-10-24 | Spring type balancer for open press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105843U true CN211105843U (en) | 2020-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921794466.8U Active CN211105843U (en) | 2019-10-24 | 2019-10-24 | Spring type balancer for open press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105843U (en) |
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2019
- 2019-10-24 CN CN201921794466.8U patent/CN211105843U/en active Active
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