CN210758417U

CN210758417U - Cement pipe mould convenient to disassemble

Info

Publication number: CN210758417U
Application number: CN201921464312.2U
Authority: CN
Inventors: 吕宝卫; 王亚东; 崔宝军
Original assignee: Beijing Miyun Cement Products Co ltd
Current assignee: Beijing Miyun Cement Products Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-06-16
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to a convenient cement pipe mould of dismantling belongs to cement pipe machining tool's technical field, including external mold and collet, the external mold is close to collet one end and has annular lug along radial outside protrusion, and the side of lug and collet is provided with the limit groove respectively, and lug and collet are provided with a pair of semi-circular joint circle outward, and the one side that the joint circle is close to the lug is provided with the fixture block of pegging graft in the limit groove, and joint circle both ends are provided with the fixing device of fixing clip circle. The utility model discloses have external mold and collet fixed connection, the effect of convenient dismantlement again.

Description

Cement pipe mould convenient to disassemble

Technical Field

The utility model belongs to the technical field of the technique of cement pipe machining tool and specifically relates to a cement pipe mould of convenient dismantlement is related to.

Background

The cement pipe has wide application, can be used as a sewer pipeline in urban construction foundations, and can discharge sewage, flood control drainage, and water feeding pipes and farmland motor-pumped wells used in special factories and mines. Because the cement pipe is used in a large amount, the cement pipe mould is widely improved as an important part for manufacturing the cement pipe. For example, chinese patent No. CN204209802U discloses a cement pipe mold convenient to disassemble, which includes an outer mold and an inner mold, the lower ends of the outer mold and the inner mold are connected with an annular bottom support, cement is injected between the outer mold and the inner mold, and after the cement pipe processing step is completed, the outer mold, the inner mold and the bottom support of the cement pipe need to be removed, so as to complete the preparation of the cement pipe. Most of the existing external molds and bottom supports are connected through flanges and then screwed down by screws. When the screw is disassembled, the screw needs to be completely unscrewed, so that the process of removing the bottom support from the cement pipe is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient cement pipe mould of dismantling, it has external mold and collet fixed connection, the effect of convenient dismantlement again.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a convenient cement pipe mould of dismantling, includes external mold and collet, the external mold is close to collet one end and has annular lug along radial outside protrusion, and the side of lug and collet is provided with the limit groove respectively, is provided with a pair of semi-circular joint circle outside lug and the collet, and the joint circle is close to the one side of lug and is provided with the fixture block of pegging graft in the limit groove, and joint circle both ends are provided with the fixing device of fixed joint circle.

Through adopting above-mentioned technical scheme, the side slot is pegged graft to the fixture block that circles through the joint, passes through fixing device fixed connection with the both ends of joint circle again, just can be with lug and collet fixed connection to with external mold and collet fixed connection, when needing to separate external mold and collet, only need open fixing device, with the joint circle take off can.

The utility model discloses further set up to: and one end of each clamping ring is rotatably connected, and the other end of each clamping ring is provided with the fixing device.

Through adopting above-mentioned technical scheme, the adjacent both ends of two joint rings are rotated and are connected, and adjacent both ends pass through fixing device to be connected in addition, when needing to separate collet and external mold, only need open fixing device, think the rotatory joint ring in both sides again and just can pull down the joint ring, take off the collet again can.

The utility model discloses further set up to: the clamping rings are rotatably connected with the same locking column, and anti-falling blocks are fixedly connected to two ends of the locking column.

Through adopting above-mentioned technical scheme, the joint circle rotates with the locking post to be connected, and locking post both ends fixed connection's anticreep piece can prevent that the joint circle from following the locking post roll-off.

The utility model discloses further set up to: the fixing device comprises fixing blocks fixedly connected to the tail ends of the clamping rings, the two fixing blocks penetrate through a shaft body, one end of the shaft body is connected with a fixing nut, and the other end of the shaft body is in threaded connection with a movable nut.

Through adopting above-mentioned technical scheme, the movable nut wears out the one end threaded connection movable nut of fixed block, through screwing up movable nut, can be fixed with two fixed blocks, makes two joint rings fixed to with lug and collet fixed connection.

The utility model discloses further set up to: and the opposite surfaces of the fixed block are provided with mutually meshed sawteeth.

Through adopting above-mentioned technical scheme, through the mutual joint of sawtooth, can avoid the mutual slip of fixed block contact surface.

The utility model discloses further set up to: the lug is close to the terminal surface edge of collet and is provided with the upper groove, and the collet is close to the terminal surface edge in upper groove and is provided with down the groove, the joint groove is close to lug one side and is provided with the grafting piece of grafting to the upper groove and lower inslot.

Through adopting above-mentioned technical scheme, in inserting the upper chute and the lower chute through the grafting piece, can make to increase the strong point between joint circle and lug and the collet, when making external mold and collet lift up together, be connected more firmly between external mold and the collet.

The utility model discloses further set up to: the end face, close to the outer die, of the bottom support is provided with a receiving groove for the outer die to be inserted, and the bottom of the receiving groove is provided with a first sealing ring.

By adopting the technical scheme, the outer die is inserted into the bearing groove, the outer die tightly presses the first sealing ring, so that the contact part of the outer die and the bottom support has better sealing performance, and cement can be prevented from leaking from the contact position of the outer die and the bottom support when cement is poured in the annular cavity.

The utility model discloses further set up to: the terminal surface that the collet is close to the base is provided with the kerve, is provided with the arch of pegging graft in the kerve on the base, and the kerve bottom is provided with the second sealing washer.

Through adopting above-mentioned technical scheme, when collet and pedestal mounting, during the kerve was inserted to the arch on the base, the arch was contradicted with the second sealing washer, can make the junction leakproofness of collet base better, avoids when pouring cement, and cement spills from the gap between collet and the base.

To sum up, the utility model discloses a beneficial technological effect does:

1. the clamping ring is inserted into the side groove through the clamping block on the clamping ring, and then the two ends of the clamping ring are fixedly connected through the fixing device, so that the lug and the bottom support can be fixedly connected, the outer die and the bottom support are fixedly connected, and when the outer die and the bottom support need to be separated, the fixing device is opened and the clamping ring is taken down;

2. two adjacent ends of the two clamping rings are rotatably connected, and the other two adjacent ends are connected through a fixing device. When the bottom support and the outer mold need to be separated, the clamping ring can be detached by only opening the fixing device and rotating the clamping ring at two sides, and then the bottom support is detached;

3. the clamping block is clamped in the side groove, so that the supporting points between the clamping ring and the convex block and between the clamping ring and the bottom support can be increased, and the connection between the outer die and the bottom support is firmer when the outer die and the bottom support are lifted upwards together.

Drawings

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

Fig. 2 is a schematic structural view showing the interior of the ground cavity.

Fig. 3 is a schematic view showing the structure of the side groove.

Fig. 4 is a schematic structural diagram showing a base.

Fig. 5 is a schematic view showing the structure of the shoe.

Fig. 6 is a schematic structural diagram showing a latch.

Fig. 7 is a schematic structural view embodying the locking post.

Fig. 8 is a schematic structural view showing the fixing device.

In the figure, 1, a ground cavity; 2. a core mold; 3. an outer mold; 31. a bump; 32. an upper groove; 33. a hoisting ring; 4. an annular cavity; 5. a base; 51. a protrusion; 6. a concave platform; 7. a bottom support; 71. a receiving groove; 711. a first seal ring; 72. a lower groove; 73. a bottom groove; 731. a second seal ring; 8. a side groove; 9. a clamping ring; 91. a locking post; 911. an anti-drop block; 92. an insertion block; 93. a clamping block; 94. a fixed block; 941. saw teeth; 10. a shaft body; 101. fixing a nut; 102. a movable nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a cement pipe mold which is easy to disassemble, as shown in figure 1, comprises a cylindrical core mold 2, wherein the core mold 2 is arranged at the center of a round ground cavity 1. An annular outer mold 3 is sleeved outside the core mold 2, an annular cavity 4 is formed between the outer mold 3 and the core mold 2, cement is poured in the annular cavity 4, and the cement is molded to form the cement pipe.

As shown in fig. 2 and 3, one end of the core mold 2 far from the ground is fixed on a circular base 5, the end surface of the base 5 is the same size as the end surface of the core mold 2, and one end of the base 5 far from the core mold 2 is fixed at the bottom of the ground cavity 1. The base 5 extends outward in the radial direction to form an annular recess 6, and the upper end surface of the recess 6 is lower than the upper end surface of the base 5. An annular bottom support 7 is arranged on the concave table 6, and the inner side edge of the bottom support 7 is abutted against the side face of the base 5. The terminal surface that base 7 kept away from base 5 opens has annular accepting groove 71 (see fig. 8), accepting groove 71 is used for pegging graft with external mold 3, external mold 3 pegs graft and gets into and accepts groove 71 after, the bottom of collet 7 between external mold 3 and mandrel 2 is regarded as the bottom of toroidal cavity 4, when pouring into cement into annular cavity 4, cement at first falls the surface of collet 7 between external mold 3 and mandrel 2, treat cement pipe shaping back, need upwards promote external mold 3 and collet 7 and go out ground cavity 1, make the cement pipe break away from with mandrel 2 simultaneously.

As shown in FIG. 4, an annular protrusion 31 is integrally formed at one end of the outer mold 3 close to the bottom support 7, and after the outer mold 3 is inserted into the receiving groove 71, the end surface of the protrusion 31 close to the bottom support 7 is tightly attached to the bottom support 7. The edge of the end surface of the lug 31 close to the bottom support 7 is provided with an upper groove 32, and the edge of the end surface of the bottom support 7 close to the upper groove 32 is provided with a lower groove 72 with the size corresponding to that of the upper groove 32.

The side surfaces of the lug 31 and the side surfaces of the bottom support 7 are uniformly provided with edge grooves 8, and the edge grooves 8 are respectively communicated with the lug 31 and the side surfaces of the bottom support 7.

As shown in fig. 5 and 6, the lug 31 and the bottom support 7 are provided with a locking device for fixedly connecting the lug 31 and the bottom support 7, referring to fig. 2, the locking device comprises a pair of semicircular clamping rings 9, one ends of the two clamping rings 9 adjacent to each other are rotatably connected with the same locking column 91, and the two clamping rings 9 can rotate around the locking column 91, so that the angle between the two clamping rings 9 can be adjusted. The two ends of the locking column 91 are fixedly connected with circular anti-falling blocks 911, and the anti-falling blocks 911 can prevent the clamping ring 9 from sliding out of the locking column 91. A circle of insertion blocks 92 are arranged at the middle position on the side surface of the clamping ring 9 close to the convex block 31, and when the clamping ring 9 is installed, the insertion blocks 92 are inserted into the upper groove 32 and the lower groove 72. The clamping ring 9 is also evenly provided with clamping blocks 93 which can be inserted into the side grooves 8 on two sides of the inserting block 92, and when the clamping ring 9 is installed, the clamping blocks 93 are correspondingly inserted into the side grooves 8.

As shown in fig. 5 and 7, a fixing device is disposed at an end of the clamping ring 9 away from the locking post 91, the fixing device includes a fixing block 94, the fixing block 94 is fixedly connected to an end of the clamping ring 9 away from the locking post 91, and the fixing block 94 is relatively attached to the locking post 91 when the clamping ring 9 is installed. The two fixing blocks 94 pass through a shaft body 10 with threads, a fixing nut 101 is welded at one end of the shaft body 10, a movable nut 102 is connected at one end of the shaft body 10, which penetrates through the fixing blocks 94, in a threaded manner, and the movable nut 102 is screwed towards the fixing blocks 94, so that the two clamping rings 9 can be locked, the convex block 31 and the bottom support 7 are fixedly connected, and the outer die 3 and the bottom support 7 are fixed. When the bottom support 7 needs to be detached from the outer die 3, the movable nut 102 is unscrewed from the shaft body 10, the shaft body 10 is pulled out of the fixing block 94, and then the two clamping rings 9 are rotated in the direction away from the lug 31, so that the clamping rings 9 can be detached from the lug 31 and the bottom support 7. The contact surfaces of the two fixing blocks 94 are also provided with mutually meshed sawteeth 941, and the sawteeth 941 prevent the two fixing blocks 94 from sliding relatively.

As shown in fig. 8, the end surface of the bottom support 7 close to the base 5 is further provided with an annular bottom groove 73, the base 5 is fixedly connected with a protrusion 51 (see fig. 3) which can be inserted into the bottom groove 73, and when the bottom support 7 is installed, the protrusion 51 is correspondingly inserted into the bottom groove 73. Bottom slot 73 bottom still is provided with second sealing washer 731, and when protruding 51 was pegged graft in bottom slot 73, protruding 51 contradicts with second sealing washer 731, and second sealing washer 731 can make the leakproofness between collet 7 and the base 5 better, can prevent that cement from spilling from the gap between base 5 and the collet 7 when cement is poured.

The bottom of the bearing groove 71 is further provided with a first sealing ring 711, after the outer die 3 is inserted into the bearing groove 71, one end of the outer die 3 inserted into the bearing groove 71 abuts against the first sealing ring 711, the first sealing ring 711 can enable the sealing performance between the outer die 3 and the bottom support 7 to be better, and cement can be prevented from leaking out of a gap between the outer die 3 and the bottom support 7 during cement pouring.

As shown in fig. 4, a lifting ring 33 is integrally connected to an end surface of the end surface away from the protrusion 31, and is used for lifting the cement pipe, the outer mold 3 and the bottom support 7 from the ground cavity 1 to the ground after the cement pipe is formed, so as to perform later processing on the cement pipe.

The implementation principle of the embodiment is as follows: the outer die 3 is inserted into the bearing groove 71, the clamping ring 9 is installed on the lug 31 and the bottom support 7, the clamping block 93 is correspondingly inserted into the side groove 8 during installation, the insertion block 92 is inserted into the upper groove 32 and the lower groove 72, the shaft body 10 penetrates through the two fixing blocks 94, and the movable nut 102 is screwed, namely the outer die 3 and the bottom support 7 are installed.

The mounted outer mould 3 and shoe 7 are placed in the ground cavity 1 with the projections 51 engaging the slots 73. Pouring cement in the annular cavity 4, lifting the outer die 3 and the bottom support 7 to the ground from the ground cavity 1 after the cement is formed into a cement pipe, unscrewing the movable nut 102 when the bottom support 7 needs to be detached, drawing the shaft body 10 out of the fixed block 94, rotating the clamping ring 9 towards two sides to take down the clamping ring 9, and taking down the bottom support 7.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a convenient cement pipe mould of dismantling, includes external mold (3) and collet (7), its characterized in that, external mold (3) are close to collet (7) one end and have annular lug (31) along radial outside protrusion, and the side of lug (31) and collet (7) is provided with limit groove (8) respectively, and lug (31) and collet (7) are provided with a pair of semi-circular joint circle (9) outward, and the one side that joint circle (9) are close to lug (31) is provided with fixture block (93) of pegging graft in limit groove (8), and joint circle (9) both ends are provided with the fixing device of fixed joint circle (9).

2. The cement pipe mould convenient to disassemble as claimed in claim 1, wherein one end of the two clamping rings (9) is rotatably connected, and the other end of the clamping ring (9) is provided with the fixing device.

3. The cement pipe mould convenient to disassemble as claimed in claim 2, wherein a pair of clamping rings (9) are rotatably connected with the same locking column (91), and anti-dropping blocks (911) are fixedly connected with two ends of the locking column (91).

4. The cement pipe mould convenient to disassemble as claimed in claim 2, wherein the fixing device comprises fixing blocks (94) fixedly connected to the ends of the clamping rings (9), two fixing blocks (94) pass through a shaft body (10), and one end of the shaft body (10) is connected with a fixed nut (101) while the other end is in threaded connection with a movable nut (102).

5. The cement pipe mold convenient to disassemble as claimed in claim 4, wherein the fixing block (94) is provided with teeth (941) engaged with each other on opposite surfaces.

6. The cement pipe mould convenient to disassemble as claimed in claim 1, wherein the end face edge of the lug (31) close to the bottom support (7) is provided with an upper groove (32), the end face edge of the bottom support (7) close to the upper groove (32) is provided with a lower groove (72), and the side of the clamping ring (9) close to the lug (31) is provided with an inserting block (92) inserted into the upper groove (32) and the lower groove (72).

7. The cement pipe mould convenient to disassemble as claimed in claim 1, wherein the end surface of the bottom support (7) close to the outer mould (3) is provided with a receiving groove (71) for the outer mould (3) to be inserted, and the bottom of the receiving groove (71) is provided with a first sealing ring (711).

8. The cement pipe mould convenient to disassemble as claimed in claim 1, wherein the end surface of the bottom support (7) close to the base (5) is provided with a bottom groove (73), the base (5) is provided with a protrusion (51) inserted into the bottom groove (73), and the bottom of the bottom groove (73) is provided with a second sealing ring (731).