CN210375914U - Cement mortar test mould - Google Patents

Abstract

The utility model relates to a cement mortar test mold convenient for demolding, which is technically characterized by comprising a split type outer template and a split type inner template, wherein the split type outer template comprises an outer bottom plate and four outer side plates, four sliding grooves are arranged on the periphery of the upper side of the outer bottom plate, and the four sliding grooves form a rectangle; one end of the sliding groove extends out of the side wall of the outer bottom plate, and the other end of the sliding groove extends to be communicated with the other sliding groove; the bottom of the outer side plate is provided with a sliding part matched with the sliding groove in shape, the sliding part comprises two L-shaped opposite hooks, one ends of the two opposite hooks are respectively and fixedly connected with the bottom of the outer side plate in a vertical manner, and the other ends of the two opposite hooks are oppositely arranged; the sliding groove is provided with two L-shaped grooves and a connecting block consisting of the two L-shaped grooves; when the outer side plate is connected to the outer bottom plate in a sliding manner, one end of the outer side plate, which slides into the sliding groove, is abutted against the side wall of the other outer side plate to form a rectangle; the split type inner template is placed in the split type outer template. The utility model is suitable for a do not damage the cement mortar examination mould of test piece quality easily.

Description

Cement mortar test mould

Technical Field

The utility model relates to an appurtenance for cement performance detects especially relates to cement mortar examination mould.

Background

In order to measure the mechanical and deformation characteristics of cement-based building materials (such as concrete or mortar and other composite materials), test pieces with different shapes are generally required to be poured, the national standard specifies that the cement strength is measured by adopting a mortar method, and the cement strength is measured by mixing cement and standard sand according to the weight ratio of 1: 3 mixing, adding a specified amount of water, and preparing a test piece according to a specified method. The cement mortar test mould is a special tool for forming cement strength test blocks, and test pieces formed by the test mould can be used for carrying out tests on the compressive strength, the flexural strength and other physical properties of cement, mortar and concrete.

The Chinese patent with the publication number of CN206583667U discloses a cement mortar test mold, which comprises a test mold body, wherein the test mold body comprises an outer template and an inner template which are cuboid or cube-shaped, the inner template is arranged in the outer template, one side of the inner template is provided with an inner outlet and an inner side plate which is in plug-in fit with the inner outlet side wall, one side of the outer template is provided with an outer outlet and an outer side plate which is in plug-in fit with the outer outlet side wall, the inner outlet and the outer outlet are positioned on the same side of the test mold body, the test mold body is provided with a push plate driving assembly which pushes a test piece to slide out of the outer template from the inner outlet and the outer outlet in sequence, and the test piece is automatically separated from the test mold body through the arrangement of the push plate driving assembly.

Although the cement mortar test mold can also realize the effect of automatic demolding, when the push plate driving assembly pushes the test piece at each time, the thrust generated by the push plate pushes the test piece to move outwards, so that the bottom of the inner template generates corresponding resistance to the test piece, and the test piece is easy to deform under the action of the thrust and the resistance to influence the quality of the test piece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cement mortar examination mould convenient to drawing of patterns has the effect that makes the test piece be difficult to take place to warp.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a cement mortar test pattern comprises a split type outer template and a split type inner template, wherein the split type outer template comprises an outer bottom plate and four outer side plates, four sliding grooves for the sliding connection of the outer side plates are formed in the periphery of the upper side of the outer bottom plate, and the four sliding grooves form a rectangle; one end of the sliding groove extends out of the side wall of the outer bottom plate, and the other end of the sliding groove extends to be communicated with the other sliding groove;

the bottom of the outer side plate is provided with a sliding part matched with the sliding groove in shape, the sliding part comprises two L-shaped opposite hooks, one end of each of the two opposite hooks is vertically and fixedly connected with the bottom of the outer side plate, and the other end of each of the two opposite hooks is arranged oppositely; the sliding groove is provided with two L-shaped grooves matched with the L-shaped grooves in shape and a connecting block between the two L-shaped grooves;

when the outer side plate is connected to the outer bottom plate in a sliding manner, one end of the outer side plate, which slides into the sliding groove, is abutted against the side wall of the other outer side plate to form a rectangle;

the split type inner template is placed in the outer template.

Through adopting above-mentioned technical scheme, slide the sliding part of outer panel bottom from the one end that corresponds the sliding tray on the outer bottom plate and slide in, L shape on the sliding part is to colluding with the L shape groove in close contact with on the sliding tray, and the outer panel slides in to the sliding tray other end in proper order, contradicts each other with adjacent outer panel, and four outer panels constitute the rectangle on outer bottom plate. Due to the structure of the sliding part and the sliding groove, the outer side plate cannot be lifted up independently after sliding into the outer bottom plate, so that the outer side plate and the outer bottom plate are firmly combined. Place split type inner formword in the rectangle that outer panel and outer bottom plate constitute, constitute cement mortar examination mould, pour into cement wherein, after the test piece shaping, four outer panels roll-off from outer bottom plate in proper order, the in-process at outer panel roll-off is difficult for producing the influence to split type inner formword, then withdraw split type inner formword from cement mortar examination mould in proper order also, it breaks away from out directly from cement mortar examination mould to have realized the test piece, the cement mortar examination mould of dismantlement formula is less to the effort that the test piece produced, make the test piece be difficult for producing the deformation. The split type inner template can be cleaned after being used for a period of time, and the split type inner template can be replaced if scratches and other damages are generated.

The utility model discloses further set up to: the outer wall of the outer side plate is provided with an operating rod, the operating rod is perpendicular to the outer side plate, and the outer wall of the outer side plate is provided with a stroke groove for the operating rod to slide up and down;

the bottom of the outer side plate is provided with a positioning groove, one end of the positioning groove is communicated with the lower end of the stroke groove, the other end of the positioning groove penetrates through the bottom of the outer side plate, the bottom of the outer side plate is provided with a clamping device, the clamping device comprises a positioning rod, the positioning rod is arranged in the positioning groove, the upper end of the positioning rod is fixedly connected with one end, close to the outer side plate, of the operating rod, and after the outer side plate slides into the outer bottom plate, the outer bottom plate is provided with a positioning hole corresponding to;

when the operating rod moves upwards to the upper end of the stroke groove, the positioning rod is completely arranged in the outer side plate, and when the operating rod moves downwards to the lower end of the stroke groove, the positioning rod extends out of the outer side plate and enters the positioning hole.

By adopting the technical scheme, the operating rod slides up and down in the stroke groove, and the positioning rod fixedly connected with the operating rod also slides up and down along with the operating rod. When the outer side plate slides into the outer bottom plate, the operating rod moves upwards, the operating rod drives the positioning rod to move upwards, and the positioning rod is completely arranged in the outer side plate, so that the sliding of the outer side plate is not influenced. When the outer panel slided to the sliding tray relevant position, move the action bars down, the action bars drives the locating lever and moves down, the locating lever stretches out in the outer panel, and enter in the locating hole that outer bottom plate corresponds, realize spacing between outer panel and the outer bottom plate, the relative position relation of outer panel and outer bottom plate has been confirmed, when the outer bottom plate of outer panel roll-off, move the action bars to the upper end in stroke groove again, it is inside the outer panel completely to drive the locating lever, do not influence the roll-off of outer panel, and be difficult for producing the influence to the test piece in operation process, make the test piece not take place to warp easily.

This realization is with novel further setting up to: the clamping device comprises a positioning rod, a spring groove and a clamping block, wherein the lower part of the positioning groove is provided with the spring groove, the diameter of the spring groove is larger than that of the positioning groove, the lower end of the positioning rod is fixedly connected with the clamping block, the spring is sleeved on the positioning rod, the upper end of the spring abuts against the bottom of the spring groove, and the lower end of the spring abuts against the clamping block;

when the operating rod is arranged at the upper end of the stroke groove, the clamping block is arranged in the spring groove;

after the outer side plate slides into the outer bottom plate, the clamping block is embedded into the positioning hole.

Through adopting above-mentioned technical scheme, under no application of force state, the spring freely extends, and the fixture block stretches out the spring groove, and when the outer bottom plate was slided in to the outside board, the action bars drove the locating lever and shifts up, and the spring of cover on the locating lever is compressed, and the fixture block stretches into the spring inslot, and when the outer panel slided in to relevant position from the sliding tray, the fixture block can be rapidly from the spring inslot embedded outer bottom plate and the corresponding locating hole of fixture block under the effect of spring compression power, has further fixed the relative position of outer side board and outer bottom plate. After the test piece is molded, the operating rod is moved upwards, the spring is compressed again, the clamping block can be pulled out from the positioning hole, and the clamping block is located in the spring groove, so that the disassembly is very convenient. The spring action process is only in the outer side plate and is not in contact with the test piece, and deformation influence on the test piece cannot be generated.

The utility model discloses further set up to: and magnets are arranged on the contact surfaces between the outer side plates.

By adopting the technical scheme, when the outer side plate slides into the outer bottom plate, and after the relative position of the outer side plate and the outer bottom plate is determined through the clamping device, the magnets on the contact surfaces attract each other, so that the contact between the outer side plates is tighter, and a more attached rectangle is formed.

The utility model discloses further set up to: the T-shaped rod is arranged at one end of the upper side face of the outer side plate and is hinged with the outer side plate, when the outer side plate slides into the outer bottom plate to form a rectangle, the T-shaped rod swings to the horizontal direction from the vertical direction of the outer side plate and then is vertical to the outer side plate in contact with the other side plate, a rod groove is formed in the corresponding position of the other outer side plate in contact with the T-shaped rod, and the T-shaped rod is completely embedded into the rod groove.

Through adopting above-mentioned technical scheme, the T shape pole that articulates on the outer panel can swing, after the outer bottom plate constitutes the rectangle when the outer panel slides in proper order, the T shape pole is swung the horizontal direction by the vertical direction to the pole inslot of another outer panel is embedded into completely, the upper surface of T shape pole and the last side of outer panel are kept level this moment, the bottom of the pole head of T shape pole offsets with the contact surface in pole groove, when the contact surface between the outer panel is not tight because the magnet that uses for a long time became invalid, the connection between the outer panel has further been strained to the T shape pole. After the test piece is molded, the T-shaped rod is pulled out from the rod groove, the T-shaped rod swings to the vertical direction again from the horizontal direction, and then the bolt is unscrewed to realize the evacuation of the outer side plate.

The utility model discloses further set up to: the middle part of the upper side surface of the outer side plate is fixedly connected with a handle, the handle is perpendicular to the upper side surface of the outer side plate, and the handle is of a U-shaped structure.

Through adopting above-mentioned technical scheme, because under the effect of magnet, the outside board constitutes and hardly removes behind the rectangle, and the handle setting has better application of force point in the middle part of side on the outside board, after releasing chucking device, attracts the direction application of force to keeping away from magnet to the handle, realizes following outer bottom plate with the outside board roll-off. And the handle is perpendicular to the upper side of the outer side plate, so that the outer side surface is convenient to lift or put down and is convenient to store.

The utility model discloses further set up to: the split type inner template comprises an inner bottom plate and four inner side plates, the outer side plate is provided with a plurality of threaded through holes, the inner side plate is provided with a plurality of threaded holes corresponding to the outer side plate, and the outer side plate is in threaded connection with the inner side plate through bolts;

the outer bottom plate is provided with a plurality of threaded through holes, the inner bottom plate is provided with a plurality of threaded holes corresponding to the outer bottom plate, and the outer bottom plate is in threaded connection with the inner bottom plate through bolts.

Through adopting above-mentioned technical scheme, constitute the rectangle back at outside board and outer bottom plate, be connected interior plate and infrabasal plate through bolt and outer side plate and outer bottom plate respectively, stabilized the relative position between outer side plate and interior plate, outer bottom plate and the infrabasal plate, the screw hole on interior plate and the infrabasal plate is not the through-hole, has both stabilized the relation of connection, can not influence the roughness of test piece again, also can not make the test piece take place to warp. After the test piece is molded, the bolts are disassembled from the split type outer template and the split type inner template, so that the split type outer template and the split type inner template are separated, and the disassembly is convenient.

The utility model discloses further set up to: the connection position between the inner side plates is of a sawtooth splicing structure, and the connection position between the inner side plates and the inner bottom plate is of a step splicing structure.

Through adopting above-mentioned technical scheme, place the infrabasal plate on outer bottom plate after, down transfer the interior plate in proper order to with the step portion concatenation of infrabasal plate, the rethread bolt is connected with split type exterior sheathing. The zigzag nature of mosaic structure makes can not spill from the concatenation gap easily after the cement is poured into, can not excessively influence the forming state of cement, can not influence the use of exterior sheathing yet.

The utility model discloses further set up to: and a first sealing strip is arranged at the connecting part between the inner side plates close to the outer side plate.

Through adopting above-mentioned technical scheme, the sealing strip is at the junction position between the interior plate that is close to the outer panel, further prevents that cement from overflowing from interior plate concatenation position, makes the test piece integrity better, can not influence the forming state of cement because of overflowing the unnecessary part of production, also makes the quality of exterior sheathing not receive the influence easily.

The utility model discloses further set up to: and a second sealing strip is arranged at the connecting part between the inner side plate close to the outer side plate and the inner bottom plate.

Through adopting above-mentioned technical scheme, sealing strip two is at the junction position between the interior plate that is close to the outer panel and the infrabasal plate, further prevents that cement from overflowing from the concatenation position of bottom, further makes the exterior sheathing not receive the too much influence of cement.

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

1. the outer side plate slides into or out of the sliding groove through the sliding part, the split type inner template is connected with the split type outer template through the bolt, a test piece can be simply and conveniently separated from the cement mortar test mold, the constraint of the stress of the test piece is small, the integrity of the test piece is high, and the deformation is not easy to generate;

2. the relative position of the outer side plate and the outer bottom plate is limited by a clamping device;

3. the contact between the outer side plates is firmer through the T-shaped rods;

4. the split type inner template is easy to assemble and disassemble, is easy to replace, and has a flat contact surface with a test piece, so that the test piece is not easy to deform and the quality of the test piece is not easy to damage;

5. the split type inner formworks are connected in a splicing structure, so that cement cannot be leaked easily when being poured.

Drawings

Fig. 1 is a schematic structural diagram for embodying the split type outer form and the split type inner form in this embodiment.

Fig. 2 is a partially sectional view schematically showing the structure of the sliding and clamping means for embodying the split type outer formworks in this embodiment.

Fig. 3 is a schematic partial sectional view showing the structure of the split type inner formworks and the outer bottom plate according to the present embodiment.

Fig. 4 is an enlarged view of a portion a in fig. 3 for embodying the connection between the inner side plates.

In the figure, 1, a split type outer template; 11. an outer base plate; 111. a sliding groove; 1111. an L-shaped slot; 1112. connecting blocks; 112. positioning holes; 12. an outer panel; 121. a sliding part; 1211. hooking; 122. an operating lever; 123. a stroke slot; 124. positioning a groove; 125. a clamping device; 1251. positioning a rod; 1252. a clamping block; 1253. a spring; 126. a spring slot; 127. a magnet; 128. a T-shaped rod; 129. a rod groove; 2. a split type inner template; 21. an inner bottom plate; 22. an inner side plate; 23. a first sealing strip; 24. a second sealing strip; 3. a handle; 4. a threaded through hole; 5. a threaded bore.

Detailed Description

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

Example (b): the utility model provides a cement mortar examination mould, as shown in fig. 1 and 3, includes split type exterior sheathing 1 and split type interior sheathing 2, and split type exterior sheathing 1 includes the outer bottom plate 11 of square and the outer panel 12 of four rectangles, and split type interior sheathing 2 includes the interior bottom plate 21 of square and the interior plate 22 of four rectangles. The periphery of the upper side of the outer bottom plate 11 is provided with four sliding grooves 111, one end of each sliding groove 111 penetrates through the side wall of the outer bottom plate 11, the other end of each sliding groove 111 is communicated with and perpendicular to the other adjacent sliding groove 111, the four sliding grooves 111 form a rectangle, the bottom of the outer side plate 12 is provided with a sliding part 121 matched with the sliding groove 111, the sliding part 121 slides into the outer bottom plate 11 through the sliding grooves 111, the sliding part 121 is two L-shaped opposite hooks 1211, one end of each opposite hook 1211 is fixedly connected with the outer side plate 12, the other end of each opposite hook 1211 is arranged, each sliding groove 111 comprises two L-shaped grooves 1111 matched with the opposite hooks 1211 in shape, and the L-shaped opposite hooks of the connecting blocks 1112 between the two L-shaped grooves are matched with the L-shaped grooves to prevent. Four outer panels 12 slide in proper order and outer bottom plate 11 is contradicted each other and is constituted the rectangle, and split type inner formword 2 is placed in proper order in the rectangle that outer panel 12 and outer bottom plate 11 constitute.

As shown in fig. 1 and 3, after the four outer panels 12 and the outer bottom panel 11 form a rectangle, the contact surface between the outer panels 12 is provided with a magnet 127 for assisting in adhering, one end of the upper side surface of the outer panel 12 is provided with a T-shaped rod 128, the T-shaped rod 128 is hinged with the outer panel 12, the T-shaped rod 128 can swing from the vertical direction to the horizontal direction, when the T-shaped rod 128 swings to the horizontal direction, a rod groove 129 is arranged at the position of the adjacent outer panel 12 corresponding to the T-shaped rod 128, the T-shaped rod 128 is completely embedded into the rod groove 129, the bottom end of the rod head of the T-shaped rod 128 is abutted against the rod groove 129, and the connection part of the outer panel 12 is fastened. Be equipped with obstructed screw hole 5 on the split type inner formword 2, be equipped with screw thread through-hole 4 on the split type exterior sheathing 1, split type exterior sheathing 1 is threaded connection with being connected of split type inner formword 2, screws up the bolt and makes split type inner formword 2 and split type exterior sheathing 1 relative position stable.

As shown in fig. 2, a clamping device 125 is disposed at the bottom of the outer panel 12, an operating rod 122 is disposed on the outer wall of the outer panel 12, a stroke slot 123 for the operating rod 122 to slide up and down is disposed on the side wall of the outer panel 12, a positioning slot 124 is disposed at the bottom of the outer panel, one end of the positioning slot 124 is connected to the lower end of the stroke slot 123, the other end of the positioning slot 124 penetrates through the bottom of the outer panel 12, a positioning rod 1251 is fixedly connected to one end of the operating rod 122 in the stroke slot 123, and the operating rod 122 slides up and down in the stroke slot 123 to drive the positioning rod 1251 to. Spring groove 126 with the diameter larger than that of positioning groove 124 is formed in the lower end of positioning groove 124, spring 1253 is sleeved on positioning rod 1251, fixture block 1252 is fixedly connected to the bottom end of positioning rod 1251, one end of spring 1253 is in contact with the bottom of spring groove 126, and the other end of spring 1253 abuts against the upper surface of fixture block 1252. Because the spring 1253 moving up the positioning rod 1251 is compressed to generate a compression force, the fixture block 1252 enters the spring groove 126, when the outer panel 12 slides into the relative position of the outer base panel 11, the position of the outer base panel 11 corresponding to the fixture block 1252 is provided with the positioning hole 112, the compressed spring 1253 opens freely, the fixture block 1252 is rapidly embedded into the positioning hole 112 under the action of the spring force, and the corresponding position of the outer panel 12 and the outer base panel 11 is limited. The middle part of the upper side surface of the outer side plate 12 is provided with a handle 3, when the outer side plate 12 needs to slide in or slide out, force is applied to the handle 3, and the handle 3 is arranged on the upper side surface of the outer side plate, so that the outer side plate is convenient to place when not in use.

As shown in fig. 3 and 4, the connection position of the inner side plate 22 and the inner bottom plate 21 is a step splicing structure, the step close to the outer side plate 12 is higher, the height of the step enables cement to overflow only with a certain acting force, the connection position between the inner side plate 22 close to the outer side plate 12 is a sawtooth splicing structure, the sawtooth is in the middle of the connection position, when cement is poured, the zigzag performance of the splicing position is not easy to leak from the split type inner formwork 2, and the connection position of the inner side plate 22 close to the outer side plate 12 and the inner bottom plate 21 is provided with a first sealing strip 23, the first sealing strip 23 blocks the contact of the cement and the outer side plate 12, the connection position between the inner side plate 22 close to the outer side plate 12 is provided with a second sealing strip 24, the second sealing strip 24 also blocks the contact of the cement and the outer side plate 12, and further ensures the. The split type inner template 2 is made of polytetrafluoroethylene, and has the advantages of high strength, small deformation, low cost and simple replacement.

The specific implementation process comprises the following steps: outer bottom plate 11 is placed on a plane, operating rod 122 on outer plate 12 is pulled, operating rod 122 moves upwards in stroke groove 123, positioning rod 1251 is driven to move upwards in positioning groove 124, spring 1253 sleeved on positioning rod 1251 is compressed, and fixture block 1252 fixedly connected with positioning rod 1251 completely enters spring groove 126. The sliding part 121 of the outer panel 12 is slid in from the sliding groove 111 on the outer bottom plate 11 by applying a force forward to the handle 3, the two opposite hooks 1211 of the L shape are slid into the two corresponding L-shaped grooves 1111, the sliding-in rear fixture block 1252 rapidly moves downward under the action of the spring 1253, so that the fixture block is abutted against the spring groove and has a tendency of constantly moving downward, when the fixture block moves to the position of the positioning block, the fixture block is rapidly embedded into the corresponding positioning hole 112 on the outer bottom plate 11, and simultaneously the positioning rod 1251 is driven to move downward, the operating rod 122 returns to the initial position, so that the outer panel 12 and the outer bottom plate 11 are mutually clamped, and the relative position of the outer panel 12 and the outer bottom plate is limited. Four outer panels 12 have slipped into in proper order and have constituted the rectangle, contradict each other between outer panel 12, T shape pole 128 with the articulated one end of the upper side of outer panel 12 swings to the horizontal direction from the vertical direction, T shape pole 128 is perpendicular and imbed in the pole groove 129 of another outer panel 12 corresponding position with the outer panel 12 of another contact, the bottom of the pole head of T shape pole 128 is contradicted with pole groove 129 to strain two piece adjacent outer panels, realize the subsides between outer panel 12 tightly, the contact surface between outer panel 12 also is equipped with magnet 127 and further fixes the connection between outer panel 12. The split type outer template 1 is detached through the outer side plate 11, so that the influence of the split type outer template 1 on the test piece is small, and the acting force is not easy to generate on the test piece.

All there is screw thread through-hole 4 on outer bottom plate 11 and the outer panel 12, and interior bottom plate 21 and interior plate 22 all have blind screw hole 5, and interior bottom plate 21 and interior plate 22 pass through threaded connection with outer bottom plate 11 and outer panel 12 respectively, and threaded connection's split type inner formword 2 can not influence the quality of test piece because of the screw thread for the test piece is difficult for producing and is out of shape. The connecting part between the inner bottom plate 21 and the inner side plate 22 is of a step splicing structure, the step of the connecting part close to the outer side plate 12 is higher, and the inner bottom plate 21 and the inner side plate 22 are connected in a squeezing contact mode, so that cement cannot easily leak from the bottom contact surface when being poured. The connection position between the interior plate 22 is sawtooth mosaic structure, and also is extrusion contact between the interior plate 22 and connects, and the non-linear concatenation makes cement can not leak from the gap easily for split type exterior sheathing 1 can be used for a long time. Can in time wash after split type inner formword 2 uses, long-term after using, produce the mar with the contact of test piece, when influencing the test piece quality, can change split type inner formword 2.

After the test piece is molded, the bolts are loosened to disconnect the split type outer template 1 and the split type inner template 2, the T-shaped rod 128 is swung to the vertical position from the horizontal position, the T-shaped rod 128 is separated from the rod groove 129, and the connection between the outer side plates 11 is released. Move up operating rod 122 and drive locating lever 1251 and shift up, locating lever 1251 drives fixture block 1252 and makes spring 1253 compress, fixture block 1252 gets into in spring groove 126, keep away from the attraction of magnet 127 between the contact surface of outer panel 12 to handle 3 application of force backward, lift off all outer panels 12 in proper order like the same, inner panel 22 does not have the support of outer panel 12 and can directly mention, the automatic drawing of patterns of test piece has been realized, and level and smooth with the 2 inner walls of inner formword of test piece contact, make the test piece difficult production, the quality of test piece is not damaged easily.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a cement mortar examination mould, includes split type exterior sheathing (1) and split type interior sheathing (2), its characterized in that: the split type outer template (1) comprises an outer bottom plate (11) and four outer side plates (12), four sliding grooves (111) for the sliding connection of the outer side plates (12) are formed in the periphery of the upper side of the outer bottom plate (11), and the four sliding grooves (111) form a rectangle; one end of the sliding groove (111) extends out of the side wall of the outer bottom plate (11), and the other end of the sliding groove (111) extends to be communicated with the other sliding groove (111);

the bottom of the outer side plate (12) is provided with a sliding part (121) matched with the sliding groove (111) in shape, the sliding part (121) comprises two L-shaped opposite hooks (1211), one ends of the two opposite hooks (1211) are vertically and fixedly connected with the bottom of the outer side plate (12), and the other ends of the two opposite hooks are oppositely arranged; the sliding groove (111) is provided with two L-shaped grooves (1111) matched with the L-shaped grooves in shape and a connecting block (1112) between the two L-shaped grooves (1111);

when the outer side plate (12) is connected to the outer bottom plate (11) in a sliding manner, one end of the outer side plate (12) sliding into the sliding groove (111) is abutted against the side wall of the other outer side plate (12) to form a rectangle;

the split type inner template (2) is placed in the split type outer template (1).

2. The cement mortar test mold according to claim 1, characterized in that: an operating rod (122) is arranged on the outer wall of the outer side plate (12), the operating rod (122) is perpendicular to the outer side plate (12), and a stroke groove (123) for the operating rod (122) to slide up and down is formed in the outer wall of the outer side plate (12);

the bottom of the outer side plate (12) is provided with a positioning groove (124), one end of the positioning groove (124) is communicated with the lower end of the stroke groove (123), the other end of the positioning groove (124) penetrates through the bottom of the outer side plate (12), the bottom of the outer side plate (12) is provided with a clamping device (125), the clamping device (125) comprises a positioning rod (1251), the positioning rod (1251) is arranged in the positioning groove (124), the upper end of the positioning rod (1251) is fixedly connected with one end, close to the outer side plate (12), of the operating rod (122), after the outer side plate (12) slides into the outer bottom plate (11), the outer bottom plate (11) is provided with a positioning hole (112) corresponding to the positioning rod (1251);

when the operating rod (122) moves upwards to the upper end of the stroke groove (123), the positioning rod (1251) is completely arranged in the outer side plate (12);

when the operating rod (122) moves downwards to the lower end of the stroke groove (123), the positioning rod (1251) extends out of the outer side plate (12) and enters the positioning hole (112).

3. The cement mortar test mold according to claim 2, characterized in that: a spring groove (126) is formed in the lower portion of the positioning groove (124), the diameter of the spring groove (126) is larger than that of the positioning groove (124), a clamping block (1252) is fixedly connected to the lower end of the positioning rod (1251), the clamping device (125) further comprises a spring (1253), the spring (1253) is sleeved on the positioning rod (1251), the upper end of the spring (1253) abuts against the groove bottom of the spring groove (126), and the lower end of the spring (1253) abuts against the clamping block (1252);

when the operating rod (122) is arranged at the upper end of the stroke groove (123), the fixture block (1252) is arranged in the spring groove (126);

after the outer side plate (12) slides into the outer bottom plate (11), the clamping blocks (1252) are embedded into the positioning holes (112).

4. The cement mortar test mold according to claim 1, characterized in that: and magnets (127) are arranged on the contact surface between the outer side plates (12).

5. The cement mortar test mold according to claim 1, characterized in that: the T-shaped rod (128) is arranged at one end of the upper side face of the outer side plate (12), the T-shaped rod (128) is hinged to the outer side plate (12), when the outer side plate (12) slides into the outer bottom plate (11) to form a rectangle, the T-shaped rod (128) swings to the horizontal direction from the vertical direction of the outer side plate (12) and then is vertical to the outer side plate (12) in other contact, a rod groove (129) is formed in the corresponding position of the other outer side plate (12) in contact with the T-shaped rod (128), and the T-shaped rod (128) is completely embedded into the rod groove (129).

6. The cement mortar test mold as set forth in claim 5, wherein: the handle (3) is fixedly connected to the middle of the upper side face of the outer side plate (12), the handle (3) is perpendicular to the upper side face of the outer side plate (12), and the handle (3) is of a U-shaped structure.

7. The cement mortar test mold according to claim 1, characterized in that: the split type inner template (2) comprises an inner bottom plate (21) and four inner side plates (22), the outer side plate (12) is provided with a plurality of thread through holes (4), the inner side plate (22) is provided with a plurality of thread holes (5) corresponding to the positions of the outer side plate (12), and the outer side plate (12) is in threaded connection with the inner side plate (22) through bolts;

outer bottom plate (11) are equipped with a plurality of screw thread through-hole (4), interior bottom plate (21) correspond outer bottom plate (11) position and are equipped with a plurality of screw hole (5), outer bottom plate (11) pass through bolt threaded connection with interior bottom plate (21).

8. The cement mortar test mold as set forth in claim 7, wherein: the connection position between interior plate (22) is sawtooth mosaic structure, connection position between interior plate (22) and infrabasal plate (21) is step mosaic structure.

9. The cement mortar test mold as set forth in claim 8, wherein: and a first sealing strip (23) is arranged at the connecting part between the inner side plates (22) close to the outer side plate (12).

10. The cement mortar test mold as set forth in claim 8, wherein: and a second sealing strip (24) is arranged at the connecting part between the inner side plate (22) close to the outer side plate (12) and the inner bottom plate (21).

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